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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    Form 13F

                               Form 13F COVER PAGE


Report for the Calendar Year or Quarter Ended:  September 30, 2007
                                                ------------------

Check here if Amendment [ ]; Amendment Number:
                                                  ------------
  This Amendment (Check only one.): [ ]  is a restatement.
                                    [ ]  adds new holdings entries.


Institutional Investment Manager Filing this Report:

Name:     Hennessy Advisors, Inc.
Address:  7250 Redwood Boulevard, Suite 200
          Novato, CA  94945

Form 13F File Number:  028-06715

The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:     Teresa M. Nilsen
Title:    Executive Vice President and Chief Financial Officer
Phone:    (415) 899-1555

Signature, Place, and Date of Signing:


/s/ Teresa M. Nilsen                  Novato, CA                October 25, 2007
--------------------------------------------------------------------------------
Teresa M. Nilsen                      City, State                      Date


Report Type  (Check only one):

[X]  13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager
     are reported in this report.)

[ ]  13F NOTICE. (Check here if no holdings reported are in this report, and all
     holdings are reported by other reporting manager(s).)

[ ]  13F COMBINATION REPORT. (Check here if a portion of the holdings for this
     reporting manager are reported in this report and a portion are reported by
     other reporting manager(s).)






                              FORM 13F SUMMARY PAGE



Report Summary:


Number of Other Included Managers:                              0
                                                 ----------------------

Form 13F Information Table Entry Total:                       175
                                                 ----------------------

Form 13F Information Table Value Total:                $1,669,003
                                                 ----------------------
                                                       (thousands)



List of Other Included Managers:  NONE







Page 1 of 9                                                           09/30/2007


                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

                                                                                                    Column
      Column 1:         Column 2:    Column 3:   Column 4:    Column 5:              Column 6:         7:         Column 8:
----------------------------------------------------------------------------------------------------------------------------------
                          Title                   Market
                           of         CUSIP       Value       Shares or                              Other
    Name of Issuer        Class       Number    (x$1,000)  Principal Amount  Investment Discretion   Mgrs.    Voting Authority
----------------------------------------------------------------------------------------------------------------------------------
                                                                     SH/ Put/       Shared  Shared
                                                                     PRN Call Sole Defined  Other          Sole    Shared     None
------------------------------------------------------------------------------------------------------------------------------------
                                                                                            

1-800-FLOWERS.COM         COMMON      68243Q106      3,616   312,000  SH      SOLE                        312,000                 0
------------------------------------------------------------------------------------------------------------------------------------
A T & T INC               COMMON      00206R102     13,895   328,403  SH      SOLE                        317,325            11,078
------------------------------------------------------------------------------------------------------------------------------------
ACUITY BRANDS INC         COMMON      00508Y102      7,511   148,800  SH      SOLE                        148,800                 0
------------------------------------------------------------------------------------------------------------------------------------
AK STEEL HOLDING CORP     COMMON      001547108     43,915   999,200  SH      SOLE                        999,200                 0
------------------------------------------------------------------------------------------------------------------------------------
ALBEMARLE CORP            COMMON      012653101     11,209   253,600  SH      SOLE                        253,600                 0
------------------------------------------------------------------------------------------------------------------------------------
ALTRIA GROUP INC          COMMON      02209S103      9,967   143,347  SH      SOLE                        143,225               122
------------------------------------------------------------------------------------------------------------------------------------
AMERIGROUP CORP           COMMON      03073T102     17,771   515,400  SH      SOLE                        515,400                 0
------------------------------------------------------------------------------------------------------------------------------------
AMKOR TECHNOLOGY INC      COMMON      031652100      2,413   209,500  SH      SOLE                        209,500                 0
------------------------------------------------------------------------------------------------------------------------------------
ANIXTER INTL INC          COMMON      035290105     10,257   124,400  SH      SOLE                        124,400                 0
------------------------------------------------------------------------------------------------------------------------------------
ANNTAYLOR STORES CORP     COMMON      036115103      5,042   159,200  SH      SOLE                        159,200                 0
------------------------------------------------------------------------------------------------------------------------------------
ARCELOR MITTAL -ADR        ADR        03937E101      3,683    47,000  SH      SOLE                         47,000                 0
------------------------------------------------------------------------------------------------------------------------------------
ASSURANT INC              COMMON      04621X108      6,805   127,200  SH      SOLE                        127,200                 0
------------------------------------------------------------------------------------------------------------------------------------
ASTEC INDUSTRIES INC      COMMON      046224101      3,717    64,700  SH      SOLE                         64,700                 0
------------------------------------------------------------------------------------------------------------------------------------
AVNET INC                 COMMON      053807103      2,810    70,500  SH      SOLE                         70,500                 0
------------------------------------------------------------------------------------------------------------------------------------
BANK OF AMERICA CORP      COMMON      060505104      3,919    77,965  SH      SOLE                         68,500             9,465
------------------------------------------------------------------------------------------------------------------------------------
BARCLAYS PLC/ENGLAND
-ADR                       ADR        06738E204      3,258    67,000  SH      SOLE                         67,000                 0
------------------------------------------------------------------------------------------------------------------------------------
BARNES GROUP INC          COMMON      067806109      2,991    93,700  SH      SOLE                         93,700                 0
------------------------------------------------------------------------------------------------------------------------------------
BB&T CORP                 COMMON      054937107      3,352    83,000  SH      SOLE                         83,000                 0
------------------------------------------------------------------------------------------------------------------------------------
BELDEN CDT INC            COMMON      077454106     28,404   605,500  SH      SOLE                        605,500                 0
------------------------------------------------------------------------------------------------------------------------------------
BENCHMARK ELECTRONICS INC COMMON      08160H101      5,929   248,400  SH      SOLE                        248,400                 0
------------------------------------------------------------------------------------------------------------------------------------
BIG LOTS INC              COMMON      089302103     31,248 1,047,200  SH      SOLE                      1,047,200                 0
------------------------------------------------------------------------------------------------------------------------------------






Page 2 of 9                                                           09/30/2007


                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

                                                                                                    Column
      Column 1:         Column 2:    Column 3:   Column 4:    Column 5:              Column 6:         7:         Column 8:
----------------------------------------------------------------------------------------------------------------------------------
                          Title                   Market
                           of         CUSIP       Value       Shares or                              Other
    Name of Issuer        Class       Number    (x$1,000)  Principal Amount  Investment Discretion   Mgrs.    Voting Authority
----------------------------------------------------------------------------------------------------------------------------------
                                                                     SH/ Put/       Shared  Shared
                                                                     PRN Call Sole Defined  Other          Sole    Shared     None
------------------------------------------------------------------------------------------------------------------------------------
                                                                                            

BLOCKBUSTER INC           COMMON      093679108     15,601 2,905,200  SH      SOLE                      2,905,200                 0
------------------------------------------------------------------------------------------------------------------------------------
BP PLC  -ADS               ADR        055622104      3,676    53,000  SH      SOLE                         52,700               300
------------------------------------------------------------------------------------------------------------------------------------
BRISTOL MYERS SQUIBB      COMMON      110122108      4,144   143,800  SH      SOLE                        143,000               800
------------------------------------------------------------------------------------------------------------------------------------
BRITISH AIRWAYS PLC  -ADR  ADR        110419306     13,852   177,200  SH      SOLE                        177,200                 0
------------------------------------------------------------------------------------------------------------------------------------
BROWN SHOE CO INC         COMMON      115736100     10,600   546,400  SH      SOLE                        546,400                 0
------------------------------------------------------------------------------------------------------------------------------------
BUCKEYE TECHNOLOGIES INC  COMMON      118255108      3,034   200,400  SH      SOLE                        200,400                 0
------------------------------------------------------------------------------------------------------------------------------------
CAL-MAINE FOODS INC       COMMON      128030202      3,857   152,800  SH      SOLE                        152,800                 0
------------------------------------------------------------------------------------------------------------------------------------
CARMAX INC                COMMON      143130102     19,720   970,000  SH      SOLE                        970,000                 0
------------------------------------------------------------------------------------------------------------------------------------
CELANESE CORP             COMMON      150870103      3,224    82,700  SH      SOLE                         82,700                 0
------------------------------------------------------------------------------------------------------------------------------------
CENVEO INC                COMMON      15670S105     17,235   796,800  SH      SOLE                        796,800                 0
------------------------------------------------------------------------------------------------------------------------------------
CF INDUSTRIES HOLDINGS
INC                       COMMON      125269100     48,408   637,700  SH      SOLE                        637,700                 0
------------------------------------------------------------------------------------------------------------------------------------
CHARLOTTE RUSSE HOLDING
INC                       COMMON      161048103      9,295   634,900  SH      SOLE                        634,900                 0
------------------------------------------------------------------------------------------------------------------------------------
CHART INDUSTRIES INC      COMMON      16115Q308      3,422   106,400  SH      SOLE                        106,400                 0
------------------------------------------------------------------------------------------------------------------------------------
CHEVRONTEXACO CORP        COMMON      166764100        940    10,045  SH      SOLE                              0            10,045
------------------------------------------------------------------------------------------------------------------------------------
CHILDRENS PLACE RETAIL
STRS                      COMMON      168905107      2,535   104,400  SH      SOLE                        104,400                 0
------------------------------------------------------------------------------------------------------------------------------------
CHUNGHWA TELECOM CO  -ADR  ADR        17133Q205      3,740   202,400  SH      SOLE                        202,400                 0
------------------------------------------------------------------------------------------------------------------------------------
CINCINNATI FINANCIAL CORP COMMON      172062101      3,452    79,700  SH      SOLE                         79,700                 0
------------------------------------------------------------------------------------------------------------------------------------
CITIGROUP INC             COMMON      172967101     10,327   221,275  SH      SOLE                        221,275                 0
------------------------------------------------------------------------------------------------------------------------------------
CLEAN HARBORS INC         COMMON      184496107     15,880   356,700  SH      SOLE                        356,700                 0
------------------------------------------------------------------------------------------------------------------------------------
CNH GLOBAL NV              ADR        sedol
                                      2534778        3,286    54,100  SH      SOLE                         54,100                 0
------------------------------------------------------------------------------------------------------------------------------------
COCA-COLA COMPANY         COMMON      191216100      2,557    44,500  SH      SOLE                         44,500                 0
------------------------------------------------------------------------------------------------------------------------------------





Page 3 of 9                                                           09/30/2007


                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

                                                                                                    Column
      Column 1:         Column 2:    Column 3:   Column 4:    Column 5:              Column 6:         7:         Column 8:
----------------------------------------------------------------------------------------------------------------------------------
                          Title                   Market
                           of         CUSIP       Value       Shares or                              Other
    Name of Issuer        Class       Number    (x$1,000)  Principal Amount  Investment Discretion   Mgrs.    Voting Authority
----------------------------------------------------------------------------------------------------------------------------------
                                                                     SH/ Put/       Shared  Shared
                                                                     PRN Call Sole Defined  Other          Sole    Shared     None
------------------------------------------------------------------------------------------------------------------------------------
                                                                                            

COMMSCOPE INC             COMMON      203372107     10,761   214,200  SH      SOLE                        214,200                 0
------------------------------------------------------------------------------------------------------------------------------------
COMSYS IT PARTNERS INC    COMMON      20581E104     14,636   870,700  SH      SOLE                        870,700                 0
------------------------------------------------------------------------------------------------------------------------------------
CONTINENTAL AIRLS INC
-CL B                     CLASS B     210795308     14,821   448,700  SH      SOLE                        448,700                 0
------------------------------------------------------------------------------------------------------------------------------------
CONVERGYS CORP            COMMON      212485106     12,475   718,600  SH      SOLE                        718,600                 0
------------------------------------------------------------------------------------------------------------------------------------
COPANO ENERGY LLC         COMMON      217202100     21,685   590,400  SH      SOLE                        590,400                 0
------------------------------------------------------------------------------------------------------------------------------------
CPI CORP                  COMMON      125902106      1,872    48,600  SH      SOLE                         48,600                 0
------------------------------------------------------------------------------------------------------------------------------------
CUMMINS INC               COMMON      231021106     18,032   141,000  SH      SOLE                        141,000                 0
------------------------------------------------------------------------------------------------------------------------------------
DAIMLERCHRYSLER AG         ADR        sedol -
                                      2307389        6,122    61,100  SH      SOLE                         61,100                 0
------------------------------------------------------------------------------------------------------------------------------------
DIAGEO PLC  -ADR           ADR        25243Q205      4,097    46,700  SH      SOLE                         46,700                 0
------------------------------------------------------------------------------------------------------------------------------------
DICKS SPORTING GOODS INC  COMMON      253393102      9,891   147,300  SH      SOLE                        147,300                 0
------------------------------------------------------------------------------------------------------------------------------------
DILLARDS INC  -CL A       CLASS A     254067101      4,538   207,900  SH      SOLE                        207,900                 0
------------------------------------------------------------------------------------------------------------------------------------
DOLLAR TREE STORES INC    COMMON      256747106      8,720   215,100  SH      SOLE                        215,100                 0
------------------------------------------------------------------------------------------------------------------------------------
DONNELLEY (R R) & SONS CO COMMON      257867101      3,722   101,800  SH      SOLE                        101,800                 0
------------------------------------------------------------------------------------------------------------------------------------
DOW CHEMICAL              COMMON      260543103      3,910    90,800  SH      SOLE                         90,700               100
------------------------------------------------------------------------------------------------------------------------------------
DU PONT (E I) DE NEMOURS  COMMON      263534109     11,746   237,000  SH      SOLE                        237,000                 0
------------------------------------------------------------------------------------------------------------------------------------
DYNCORP INTL INC          COMMON      26817C101      3,302   142,900  SH      SOLE                        142,900                 0
------------------------------------------------------------------------------------------------------------------------------------
EMCOR GROUP INC           COMMON      29084Q100      8,028   256,000  SH      SOLE                        256,000                 0
------------------------------------------------------------------------------------------------------------------------------------
EMERGENCY MEDICAL SVCS
CORP                      COMMON      29100P102      2,181    72,100  SH      SOLE                         72,100                 0
------------------------------------------------------------------------------------------------------------------------------------
ENERGIZER HOLDINGS INC    COMMON      29266R108     10,786    97,300  SH      SOLE                         97,300                 0
------------------------------------------------------------------------------------------------------------------------------------
ENI SPA  -ADR              ADR        26874R108      4,035    54,700  SH      SOLE                         54,700                 0
------------------------------------------------------------------------------------------------------------------------------------
ENTERPRISE PRODS PRTNER
-LP                       COMMON      293792107      3,802   125,700  SH      SOLE                        125,700                 0
------------------------------------------------------------------------------------------------------------------------------------





Page 4 of 9                                                           09/30/2007


                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

                                                                                                    Column
      Column 1:         Column 2:    Column 3:   Column 4:    Column 5:              Column 6:         7:         Column 8:
----------------------------------------------------------------------------------------------------------------------------------
                          Title                   Market
                           of         CUSIP       Value       Shares or                              Other
    Name of Issuer        Class       Number    (x$1,000)  Principal Amount  Investment Discretion   Mgrs.    Voting Authority
----------------------------------------------------------------------------------------------------------------------------------
                                                                     SH/ Put/       Shared  Shared
                                                                     PRN Call Sole Defined  Other          Sole    Shared     None
------------------------------------------------------------------------------------------------------------------------------------
                                                                                            

EXXON MOBIL CORPORATION   COMMON      30231G102        485     5,242  SH      SOLE                              0             5,242
------------------------------------------------------------------------------------------------------------------------------------
FIAT SPA  -ADR             ADR        315621888      2,923    96,900  SH      SOLE                         96,900                 0
------------------------------------------------------------------------------------------------------------------------------------
FIDELITY NATIONAL
FINANCIAL                 COMMON      31620R105      2,730   156,200  SH      SOLE                        156,200                 0
------------------------------------------------------------------------------------------------------------------------------------
FTD GROUP INC             COMMON      30267U108     15,643 1,051,300  SH      SOLE                      1,051,300                 0
------------------------------------------------------------------------------------------------------------------------------------
GAMESTOP CORP             COMMON      36467W109      4,147    73,600  SH      SOLE                         73,600                 0
------------------------------------------------------------------------------------------------------------------------------------
GENERAL CABLE CORP/DE     COMMON      369300108     30,479   454,100  SH      SOLE                        454,100                 0
------------------------------------------------------------------------------------------------------------------------------------
GENERAL ELECTRIC CO.      COMMON      369604103      7,548   182,327  SH      SOLE                        181,300             1,027
------------------------------------------------------------------------------------------------------------------------------------
GENERAL MOTORS CORP       COMMON      370442105     12,880   350,945  SH      SOLE                        350,575               370
------------------------------------------------------------------------------------------------------------------------------------
GENESIS ENERGY  -LP       COMMON      371927104      2,415    86,700  SH      SOLE                         86,700                 0
------------------------------------------------------------------------------------------------------------------------------------
GEO GROUP INC             COMMON      36159R103     27,031   912,900  SH      SOLE                        912,900                 0
------------------------------------------------------------------------------------------------------------------------------------
GLAXOSMITHKLINE PLC  -ADR  ADR        37733W105      3,644    68,500  SH      SOLE                         68,500                 0
------------------------------------------------------------------------------------------------------------------------------------
GOLDMAN SACHS GROUP INC   COMMON      38141G104     18,575    85,700  SH      SOLE                         85,700                 0
------------------------------------------------------------------------------------------------------------------------------------
GRANITE CONSTRUCTION INC  COMMON      387328107      6,601   124,500  SH      SOLE                        124,500                 0
------------------------------------------------------------------------------------------------------------------------------------
GREIF INC  -CL A          CLASS A     397624107     20,261   333,900  SH      SOLE                        333,900                 0
------------------------------------------------------------------------------------------------------------------------------------
HARDINGE INC              COMMON      412324303      2,818    80,900  SH      SOLE                         80,900                 0
------------------------------------------------------------------------------------------------------------------------------------
HEINZ (H J) CO            COMMON      423074103      3,710    80,300  SH      SOLE                         80,300                 0
------------------------------------------------------------------------------------------------------------------------------------
HENNESSY ADVISORS INC     COMMON      425885100     28,364 2,602,171  SH      SOLE                              0         2,602,171
------------------------------------------------------------------------------------------------------------------------------------
HOLLY CORP                COMMON      435758305     20,420   341,300  SH      SOLE                        341,300                 0
------------------------------------------------------------------------------------------------------------------------------------
HORIZON LINES INC         COMMON      44044K101     21,939   718,600  SH      SOLE                        718,600                 0
------------------------------------------------------------------------------------------------------------------------------------
HSBC HOLDINGS PLC  -ADR    ADR        404280406      3,658    39,500  SH      SOLE                         39,500                 0
------------------------------------------------------------------------------------------------------------------------------------
HUDSON HIGHLAND GROUP INC COMMON      443792106      2,148   168,700  SH      SOLE                        168,700                 0
------------------------------------------------------------------------------------------------------------------------------------





Page 5 of 9                                                           09/30/2007


                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

                                                                                                    Column
      Column 1:         Column 2:    Column 3:   Column 4:    Column 5:              Column 6:         7:         Column 8:
----------------------------------------------------------------------------------------------------------------------------------
                          Title                   Market
                           of         CUSIP       Value       Shares or                              Other
    Name of Issuer        Class       Number    (x$1,000)  Principal Amount  Investment Discretion   Mgrs.    Voting Authority
----------------------------------------------------------------------------------------------------------------------------------
                                                                     SH/ Put/       Shared  Shared
                                                                     PRN Call Sole Defined  Other          Sole    Shared     None
------------------------------------------------------------------------------------------------------------------------------------
                                                                                            

ICO INC                   COMMON      449293109      3,876   275,300  SH      SOLE                        275,300                 0
------------------------------------------------------------------------------------------------------------------------------------
INFINEON TECHNOLOGIES
AG-ADR                     ADR        45662N103     21,851 1,271,900  SH      SOLE                      1,271,900                 0
------------------------------------------------------------------------------------------------------------------------------------
INGLES MARKETS INC  -CL A CLASS A     457030104     15,385   536,800  SH      SOLE                        536,800                 0
------------------------------------------------------------------------------------------------------------------------------------
INNOSPEC INC               ADR        45768S105     19,545   858,000  SH      SOLE                        858,000                 0
------------------------------------------------------------------------------------------------------------------------------------
INTEGRATED ELECTRICAL
SVCS                      COMMON      45811E301      2,420    94,500  SH      SOLE                         94,500                 0
------------------------------------------------------------------------------------------------------------------------------------
INTL PAPER CO             COMMON      460146103      3,874   108,000  SH      SOLE                        108,000                 0
------------------------------------------------------------------------------------------------------------------------------------
IOMEGA CORP               COMMON      462030305      3,000   572,500  SH      SOLE                        572,500                 0
------------------------------------------------------------------------------------------------------------------------------------
J P MORGAN CHASE & CO     COMMON      46625H100     10,034   218,990  SH      SOLE                        218,850               140
------------------------------------------------------------------------------------------------------------------------------------
JACK IN THE BOX INC       COMMON      466367109     27,823   429,100  SH      SOLE                        429,100                 0
------------------------------------------------------------------------------------------------------------------------------------
KAMAN CORP                COMMON      483548103      3,131    90,600  SH      SOLE                         90,600                 0
------------------------------------------------------------------------------------------------------------------------------------
KIMBERLY-CLARK CORP       COMMON      494368103      3,824    54,426  SH      SOLE                         53,300             1,126
------------------------------------------------------------------------------------------------------------------------------------
KRAFT FOODS INC           COMMON      50075N104      5,516   159,837  SH      SOLE                        159,837                 0
------------------------------------------------------------------------------------------------------------------------------------
LAN AIRLINES SA  -ADR      ADR        501723100     24,579 1,531,400  SH      SOLE                      1,531,400                 0
------------------------------------------------------------------------------------------------------------------------------------
LEAR CORP                 COMMON      521865105     17,456   543,800  SH      SOLE                        543,800                 0
------------------------------------------------------------------------------------------------------------------------------------
LILLY (ELI) & CO          COMMON      532457108      3,763    66,100  SH      SOLE                         66,100                 0
------------------------------------------------------------------------------------------------------------------------------------
LORAL SPACE &
COMMUNICATIONS            COMMON      543881106     16,023   403,100  SH      SOLE                        403,100                 0
------------------------------------------------------------------------------------------------------------------------------------
LSB INDUSTRIES INC        COMMON      502160104      3,403   143,900  SH      SOLE                        143,900                 0
------------------------------------------------------------------------------------------------------------------------------------
LYONDELL CHEMICAL CO      COMMON      552078107      6,651   143,500  SH      SOLE                        143,500                 0
------------------------------------------------------------------------------------------------------------------------------------
M & F WORLDWIDE CORP      COMMON      552541104     30,004   597,800  SH      SOLE                        597,800                 0
------------------------------------------------------------------------------------------------------------------------------------
MANITOWOC CO              COMMON      563571108     27,768   627,100  SH      SOLE                        627,100                 0
------------------------------------------------------------------------------------------------------------------------------------
MARKWEST HYDROCARBON INC  COMMON      570762104     22,653   389,700  SH      SOLE                        389,700                 0
------------------------------------------------------------------------------------------------------------------------------------





Page 6 of 9                                                           09/30/2007


                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

                                                                                                    Column
      Column 1:         Column 2:    Column 3:   Column 4:    Column 5:              Column 6:         7:         Column 8:
----------------------------------------------------------------------------------------------------------------------------------
                          Title                   Market
                           of         CUSIP       Value       Shares or                              Other
    Name of Issuer        Class       Number    (x$1,000)  Principal Amount  Investment Discretion   Mgrs.    Voting Authority
----------------------------------------------------------------------------------------------------------------------------------
                                                                     SH/ Put/       Shared  Shared
                                                                     PRN Call Sole Defined  Other          Sole    Shared     None
------------------------------------------------------------------------------------------------------------------------------------
                                                                                            

MASCO CORP                COMMON      574599106      2,887   124,600  SH      SOLE                        124,600                 0
------------------------------------------------------------------------------------------------------------------------------------
MATRIX SERVICE COMPANY    COMMON      576853105      2,606   124,400  SH      SOLE                        124,400                 0
------------------------------------------------------------------------------------------------------------------------------------
MATTEL INC                COMMON      577081102      3,817   162,700  SH      SOLE                        162,700                 0
------------------------------------------------------------------------------------------------------------------------------------
MEADWESTVACO CORP         COMMON      583334107      3,579   121,200  SH      SOLE                        121,200                 0
------------------------------------------------------------------------------------------------------------------------------------
MENS WEARHOUSE INC        COMMON      587118100      9,063   179,400  SH      SOLE                        179,400                 0
------------------------------------------------------------------------------------------------------------------------------------
MERCK & CO                COMMON      589331107     12,912   249,802  SH      SOLE                        249,400               402
------------------------------------------------------------------------------------------------------------------------------------
METHODE ELECTRONICS
-CL A                     CLASS A     591520200      2,601   172,800  SH      SOLE                        172,800                 0
------------------------------------------------------------------------------------------------------------------------------------
MFRI INC                  COMMON      552721102      1,930   108,200  SH      SOLE                        108,200                 0
------------------------------------------------------------------------------------------------------------------------------------
MIVA INC                  COMMON      55311R108      2,075   439,600  SH      SOLE                        439,600                 0
------------------------------------------------------------------------------------------------------------------------------------
NATIONAL CITY CORP        COMMON      635405103      2,529   100,800  SH      SOLE                        100,800                 0
------------------------------------------------------------------------------------------------------------------------------------
NEWELL RUBBERMAID INC     COMMON      651229106      3,559   123,500  SH      SOLE                        123,500                 0
------------------------------------------------------------------------------------------------------------------------------------
NEXSTAR BROADCASTING
GROUP                     COMMON      65336K103      2,563   244,300  SH      SOLE                        244,300                 0
------------------------------------------------------------------------------------------------------------------------------------
ODYSSEY RE HOLDINGS CORP  COMMON      67612W108     17,345   467,400  SH      SOLE                        467,400                 0
------------------------------------------------------------------------------------------------------------------------------------
OGE ENERGY CORP           COMMON      670837103      6,260   189,120  SH      SOLE                        188,500               620
------------------------------------------------------------------------------------------------------------------------------------
OWENS-ILLINOIS INC        COMMON      690768403      3,478    83,900  SH      SOLE                         83,900                 0
------------------------------------------------------------------------------------------------------------------------------------
P G & E CORP              COMMON      69331C108        207     4,335  SH      SOLE                              0             4,335
------------------------------------------------------------------------------------------------------------------------------------
PACTIV CORP               COMMON      695257105      6,921   241,500  SH      SOLE                        241,500                 0
------------------------------------------------------------------------------------------------------------------------------------
PENFORD CORP              COMMON      707051108      3,208    85,100  SH      SOLE                         85,100                 0
------------------------------------------------------------------------------------------------------------------------------------
PENSKE AUTO GROUP         COMMON      70959W103      5,839   288,500  SH      SOLE                        288,500                 0
------------------------------------------------------------------------------------------------------------------------------------
PERINI CORP               COMMON      713839108      2,399    42,900  SH      SOLE                         42,900                 0
------------------------------------------------------------------------------------------------------------------------------------
PETROCHINA CO LTD  -ADR    ADR        71646E100      5,146    27,800  SH      SOLE                         27,800                 0
------------------------------------------------------------------------------------------------------------------------------------





Page 7 of 9                                                           09/30/2007


                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

                                                                                                    Column
      Column 1:         Column 2:    Column 3:   Column 4:    Column 5:              Column 6:         7:         Column 8:
----------------------------------------------------------------------------------------------------------------------------------
                          Title                   Market
                           of         CUSIP       Value       Shares or                              Other
    Name of Issuer        Class       Number    (x$1,000)  Principal Amount  Investment Discretion   Mgrs.    Voting Authority
----------------------------------------------------------------------------------------------------------------------------------
                                                                     SH/ Put/       Shared  Shared
                                                                     PRN Call Sole Defined  Other          Sole    Shared     None
------------------------------------------------------------------------------------------------------------------------------------
                                                                                            

PFIZER INC                COMMON      717081103     10,775   441,038  SH      SOLE                        438,800             2,238
------------------------------------------------------------------------------------------------------------------------------------
PHILLIPS-VAN HEUSEN CORP  COMMON      718592108      8,670   165,200  SH      SOLE                        165,200                 0
------------------------------------------------------------------------------------------------------------------------------------
PINNACLE AIRLINES CORP    COMMON      723443107      2,602   162,400  SH      SOLE                        162,400                 0
------------------------------------------------------------------------------------------------------------------------------------
PNC FINANCIAL SVCS GROUP
INC                       COMMON      693475105      3,446    50,600  SH      SOLE                         50,600                 0
------------------------------------------------------------------------------------------------------------------------------------
PPG INDUSTRIES INC        COMMON      693506107      4,117    54,500  SH      SOLE                         54,500                 0
------------------------------------------------------------------------------------------------------------------------------------
PRICELINE.COM INC         COMMON      741503403     16,250   183,100  SH      SOLE                        183,100                 0
------------------------------------------------------------------------------------------------------------------------------------
PRICESMART INC            COMMON      741511109      2,905   123,100  SH      SOLE                        123,100                 0
------------------------------------------------------------------------------------------------------------------------------------
PSS WORLD MEDICAL INC     COMMON      69366A100      6,776   354,200  SH      SOLE                        354,200                 0
------------------------------------------------------------------------------------------------------------------------------------
QUANTA SERVICES INC       COMMON      74762E102     23,152   875,300  SH      SOLE                        875,300                 0
------------------------------------------------------------------------------------------------------------------------------------
REGIONS FINL CORP         COMMON      7591EP100      2,898    98,300  SH      SOLE                         98,300                 0
------------------------------------------------------------------------------------------------------------------------------------
RELIANT ENERGY INC        COMMON      75952B105      2,655   103,700  SH      SOLE                        103,700                 0
------------------------------------------------------------------------------------------------------------------------------------
REYNOLDS AMERICAN INC     COMMON      761713106      3,510    55,200  SH      SOLE                         55,200                 0
------------------------------------------------------------------------------------------------------------------------------------
RITE AID CORP             COMMON      767754104     14,284 3,091,700  SH      SOLE                      3,091,700                 0
------------------------------------------------------------------------------------------------------------------------------------
ROBBINS & MYERS INC       COMMON      770196103     28,330   494,500  SH      SOLE                        494,500                 0
------------------------------------------------------------------------------------------------------------------------------------
ROCK-TENN CO              COMMON      772739207     16,074   556,200  SH      SOLE                        556,200                 0
------------------------------------------------------------------------------------------------------------------------------------
ROYAL DUTCH SHELL PLC
-ADR                       ADR        780259206      4,214    51,272  SH      SOLE                         50,600               672
------------------------------------------------------------------------------------------------------------------------------------
SASOL LTD  -ADR            ADR        803866300      4,235    98,500  SH      SOLE                         98,500                 0
------------------------------------------------------------------------------------------------------------------------------------
SAUER-DANFOSS INC         COMMON      804137107     14,602   547,300  SH      SOLE                        547,300                 0
------------------------------------------------------------------------------------------------------------------------------------
SHERWIN-WILLIAMS CO       COMMON      824348106     18,031   274,400  SH      SOLE                        274,400                 0
------------------------------------------------------------------------------------------------------------------------------------
SKECHERS U S A INC        COMMON      830566105     11,722   530,400  SH      SOLE                        530,400                 0
------------------------------------------------------------------------------------------------------------------------------------
SOUTHERN COPPER CORP      COMMON      84265V105      8,024    64,800  SH      SOLE                         64,800                 0
------------------------------------------------------------------------------------------------------------------------------------





Page 8 of 9                                                           09/30/2007


                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

                                                                                                    Column
      Column 1:         Column 2:    Column 3:   Column 4:    Column 5:              Column 6:         7:         Column 8:
----------------------------------------------------------------------------------------------------------------------------------
                          Title                   Market
                           of         CUSIP       Value       Shares or                              Other
    Name of Issuer        Class       Number    (x$1,000)  Principal Amount  Investment Discretion   Mgrs.    Voting Authority
----------------------------------------------------------------------------------------------------------------------------------
                                                                     SH/ Put/       Shared  Shared
                                                                     PRN Call Sole Defined  Other          Sole    Shared     None
------------------------------------------------------------------------------------------------------------------------------------
                                                                                            

SPARTAN STORES INC        COMMON      846822104     18,319   813,100  SH      SOLE                        813,100                 0
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STATOIL ASA  -ADR          ADR        85771P102      4,355   128,400  SH      SOLE                        128,400                 0
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STEEL DYNAMICS INC        COMMON      858119100     23,051   493,600  SH      SOLE                        493,600                 0
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SUN HEALTHCARE GROUP INC  COMMON      866933401     25,571 1,530,300  SH      SOLE                      1,530,300                 0
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SYSTEMAX INC              COMMON      871851101     18,780   918,800  SH      SOLE                        918,800                 0
------------------------------------------------------------------------------------------------------------------------------------
TEREX CORP                COMMON      880779103      3,018    33,900  SH      SOLE                         33,900                 0
------------------------------------------------------------------------------------------------------------------------------------
TERRA INDUSTRIES INC      COMMON      880915103      3,395   108,600  SH      SOLE                        108,600                 0
------------------------------------------------------------------------------------------------------------------------------------
THE CHARLES SCHWAB CORP   COMMON      808513105        218    10,100  SH      SOLE                              0            10,100
------------------------------------------------------------------------------------------------------------------------------------
TWIN DISC INC             COMMON      901476101      2,380    40,900  SH      SOLE                         40,900                 0
------------------------------------------------------------------------------------------------------------------------------------
U G I CORPORATION NEW     COMMON      902681105        452    17,400  SH      SOLE                              0            17,400
------------------------------------------------------------------------------------------------------------------------------------
U S BANCORP               COMMON      902973304      3,464   106,475  SH      SOLE                        106,400                75
------------------------------------------------------------------------------------------------------------------------------------
ULTRAPAR PARTICIPACOES
-ADR                       ADR        90400P101      3,459    89,300  SH      SOLE                         89,300                 0
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US AIRWAYS GROUP INC      COMMON      90341W108      9,216   351,100  SH      SOLE                        351,100                 0
------------------------------------------------------------------------------------------------------------------------------------
VERIZON COMMUNICATIONS    COMMON      92343V104     14,011   316,410  SH      SOLE                        303,375            13,035
------------------------------------------------------------------------------------------------------------------------------------
VF CORP                   COMMON      918204108      7,397    91,600  SH      SOLE                         91,600                 0
------------------------------------------------------------------------------------------------------------------------------------
VOLT INFO SCIENCES INC    COMMON      928703107      9,256   524,700  SH      SOLE                        524,700                 0
------------------------------------------------------------------------------------------------------------------------------------
VOLVO AB SWE  -ADR         ADR        928856400     24,949 1,438,000  SH      SOLE                      1,438,000                 0
------------------------------------------------------------------------------------------------------------------------------------
VSE CORP                  COMMON      918284100      2,927    61,900  SH      SOLE                         61,900                 0
------------------------------------------------------------------------------------------------------------------------------------
WACHOVIA CORP             COMMON      929903102      3,295    65,700  SH      SOLE                         65,700                 0
------------------------------------------------------------------------------------------------------------------------------------
WARNACO GROUP INC         COMMON      934390402      3,079    78,800  SH      SOLE                         78,800                 0
------------------------------------------------------------------------------------------------------------------------------------
WASHINGTON MUTUAL INC     COMMON      939322103      2,860    81,000  SH      SOLE                         81,000                 0
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Page 9 of 9                                                           09/30/2007


                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

                                                                                                    Column
      Column 1:         Column 2:    Column 3:   Column 4:    Column 5:              Column 6:         7:         Column 8:
----------------------------------------------------------------------------------------------------------------------------------
                          Title                   Market
                           of         CUSIP       Value       Shares or                              Other
    Name of Issuer        Class       Number    (x$1,000)  Principal Amount  Investment Discretion   Mgrs.    Voting Authority
----------------------------------------------------------------------------------------------------------------------------------
                                                                     SH/ Put/       Shared  Shared
                                                                     PRN Call Sole Defined  Other          Sole    Shared     None
------------------------------------------------------------------------------------------------------------------------------------
                                                                                            

WATSON WYATT WORLDWIDE
INC                       COMMON      942712100      7,514   167,200  SH      SOLE                        167,200                 0
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WELLCARE HEALTH PLANS INC COMMON      94946T106     41,276   391,500  SH      SOLE                        391,500                 0
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WELLS FARGO & CO          COMMON      949746101      3,976   111,620  SH      SOLE                        101,800             9,820
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WEST PHARMACEUTICAL SVSC
INC                       COMMON      955306105      7,449   178,800  SH      SOLE                        178,800                 0
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WESTAMERICA BANCORP       COMMON      957090103        467     9,383  SH      SOLE                              0             9,383
------------------------------------------------------------------------------------------------------------------------------------
WESTERN REFINING INC      COMMON      959319104      2,155    53,100  SH      SOLE                         53,100                 0
------------------------------------------------------------------------------------------------------------------------------------
WEYERHAEUSER CO           COMMON      962166104      3,861    53,400  SH      SOLE                         53,400                 0
------------------------------------------------------------------------------------------------------------------------------------
                   TOTAL                         1,669,003
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