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

                                    Form 13F

                              FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended:       June 30, 2010
                                                 --------------------

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	July 19, 2010
-----------------------------------------------------
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:	     221
                                        -------------

Form 13F Information Table Value Total:	  $587,090
                                        -------------
	                                    (thousands)



List of Other Included Managers: 	NONE


Page 1 of 10                                                                                                             06/30/2010


                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

      Column 1:              Column 2:    Column 3:  Column 4:    Column 5:              Column 6:    Column 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
------------------------------------------------------------------------------------------------------------------------------------
                                                                                               
ACERGY S A                     ADR       00443E104     3,804     257,200 SH      SOLE                     257,200
ADVANCE AMER CASH ADVANCE CTRS COM       00739W107     2,738     662,970 SH      SOLE                     662,970
ADVANCED MICRO DEVICES INC     COM       007903107     3,953     540,000 SH      SOLE                     540,000
AEROPOSTALE                    COM       007865108     3,992     139,400 SH      SOLE                     139,400
AIR TRANSPORT SERVICES GRP INC COM       00922R105       529     111,200 SH      SOLE                     111,200
ALAMO GROUP INC                COM       011311107       560      25,800 SH      SOLE                      25,800
ALASKA AIR GROUP INC           COM       011659109       553      12,300 SH      SOLE                      12,300
ALLIED HEALTHCARE INTL INC     COM       01923A109        32      13,920 SH      SOLE                      13,920
ALTRIA GROUP INC               COM       02209S103     4,218     210,500 SH      SOLE                     210,500
AMERICAN AXLE & MFG HLDGS INC  COM       024061103     4,163     568,000 SH      SOLE                     568,000
AMERICAN INTL GROUP INC        COM       026874784       544      15,800 SH      SOLE                      15,800
AMERICREDIT CORP               COM       03060R101     8,153     447,500 SH      SOLE                     447,500
APOLLO GROUP INC               COM       037604105     1,049      24,700 SH      SOLE                      24,700
ARVINMERITOR INC               COM       043353101       510      38,900 SH      SOLE                      38,900
AT&T INC                       COM       00206R102     6,349     262,450 SH      SOLE                     262,450
AUTOMATIC DATA PROCESSING INC  COM       053015103     2,565      63,700 SH      SOLE                      63,700
AUTOZONE INC                   COM       053332102     1,623       8,400 SH      SOLE                       8,400
BALL CORP                      COM       058498106     4,226      80,000 SH      SOLE                      80,000
                               SPON
BANCO MACRO SA                 ADR B     05961W105       557      18,900 SH      SOLE                      18,900
BAXTER INTL INC                COM       071813109     1,309      32,200 SH      SOLE                      32,200
BCE INC                        COM NEW   05534B760     3,044     104,000 SH      SOLE                     104,000
BECTON DICKINSON & CO          COM       075887109     1,359      20,100 SH      SOLE                      20,100
BEST BUY INC                   COM       086516101     1,114      32,900 SH      SOLE                      32,900

Page 2 of 10                                                                                                             06/30/2010

                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

      Column 1:              Column 2:    Column 3:  Column 4:    Column 5:              Column 6:    Column 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
------------------------------------------------------------------------------------------------------------------------------------
                                                                                               
BIG 5 SPORTING GOODS CORP      COM       08915P101     3,132     238,350 SH      SOLE                     238,350
BOEING CO                      COM       097023105     5,114      81,500 SH      SOLE                      81,500
BP PLC                         ADR       055622104     1,389      48,100 SH      SOLE                      48,100
                               SP ADR
BRASKEM S A                    PFD A     105532105     3,785     267,500 SH      SOLE                     267,500
BRISTOL MYERS SQUIBB CO        COM       110122108     4,187     167,900 SH      SOLE                     167,900
BROADRIDGE FINL SOLUTIONS INC  COM       11133T103     3,437     180,400 SH      SOLE                     180,400
BROWN SHOE INC NEW             COM       115736100       530      34,900 SH      SOLE                      34,900
BRUNSWICK CORP                 COM       117043109     4,567     367,400 SH      SOLE                     367,400
BUCYRUS INTL INC NEW           COM       118759109     3,554      74,900 SH      SOLE                      74,900
CALLON PETE CO DEL             COM       13123X102       597      94,800 SH      SOLE                      94,800
CALUMET SPECIALTY              UT LTD
PRODS PTNRS                    PARTNER   131476103     3,669     207,500 SH      SOLE                     207,500
CAMPBELL SOUP CO               COM       134429109     4,489     125,300 SH      SOLE                     125,300
CARDINAL HEALTH INC            COM       14149Y108     1,439      42,800 SH      SOLE                      42,800
CARDTRONICS INC                COM       14161H108     4,909     378,800 SH      SOLE                     378,800
CARMAX INC                     COM       143130102     3,890     195,500 SH      SOLE                     195,500
CARTER INC                     COM       146229109     4,043     154,000 SH      SOLE                     154,000
CASCADE CORP                   COM       147195101       531      14,900 SH      SOLE                      14,900
CATERPILLAR INC DEL            COM       149123101       967      16,100 SH      SOLE                      16,100
CHEVRON CORP NEW               COM       166764100     6,090      89,750 SH      SOLE                      89,750
CHINA MOBILE LIMITED           ADR       16941M109     2,905      58,800 SH      SOLE                      58,800
CIGNA CORP                     COM       125509109     5,134     165,300 SH      SOLE                     165,300
CLEARWATER PAPER CORP          COM       18538R103       542       9,900 SH      SOLE                       9,900
CLOROX CO DEL                  COM       189054109     1,492      24,000 SH      SOLE                      24,000

Page 3 of 10                                                                                                             06/30/2010

                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

      Column 1:              Column 2:    Column 3:  Column 4:    Column 5:              Column 6:    Column 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
------------------------------------------------------------------------------------------------------------------------------------
                                                                                               
COCA COLA CO                   COM       191216100     1,474      29,400 SH      SOLE                      29,400
COCA COLA ENTERPRISES INC      COM       191219104     4,929     190,600 SH      SOLE                     190,600
COMMERCIAL VEH GROUP INC       COM       202608105       507      49,700 SH      SOLE                      49,700
COMPANHIA BRASILEIRA           SPN ADR
DE DISTRB                      PFD CL A  20440T201     4,046      58,200 SH      SOLE                      58,200
COMPUTER SCIENCES CORP         COM       205363104     3,611      79,800 SH      SOLE                      79,800
CONAGRA FOODS INC              COM       205887102     2,840     121,800 SH      SOLE                     121,800
CONSOL ENERGY INC              COM       20854P109     1,192      35,300 SH      SOLE                      35,300
CONSOLIDATED GRAPHICS INC      COM       209341106       541      12,500 SH      SOLE                      12,500
COOPER COS INC                 COM       216648402     4,536     114,000 SH      SOLE                     114,000
COTT CORP QUE                  COM       22163N106     2,771     476,100 SH      SOLE                     476,100
CROCS INC                      COM       227046109       540      51,000 SH      SOLE                      51,000
CROWN HOLDINGS INC             COM       228368106     1,422      56,800 SH      SOLE                      56,800
DARDEN RESTAURANTS INC         COM       237194105     4,371     112,500 SH      SOLE                     112,500
                               COM UT
DCP MIDSTREAM PARTNERS LP      LTD PTN   23311P100     5,018     157,100 SH      SOLE                     157,100
DEL MONTE FOODS CO             COM       24522P103     4,957     344,500 SH      SOLE                     344,500
DIAGEO P L C                   ADR       25243Q205     2,485      39,600 SH      SOLE                      39,600
DIAMOND MGMT &
TECHNOLOGY CONS                COM       25269L106       547      53,100 SH      SOLE                      53,100
DIAMOND OFFSHORE
DRILLING INC                   COM       25271C102     1,126      18,100 SH      SOLE                      18,100
DIRECTV                        COM       25490A101     1,438      42,400 SH      SOLE                      42,400
DISH NETWORK CORP              COM       25470M109     1,261      69,500 SH      SOLE                      69,500
DOLLAR TREE INC                COM       256746108     6,482     155,700 SH      SOLE                     155,700
DONNELLEY R R & SONS CO        COM       257867101     2,045     124,900 SH      SOLE                     124,900
DOT HILL SYSTEMS CORP          COM       25848T109        26      21,730 SH      SOLE                      21,730

Page 4 of 10                                                                                                             06/30/2010

                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

      Column 1:              Column 2:    Column 3:  Column 4:    Column 5:              Column 6:    Column 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
------------------------------------------------------------------------------------------------------------------------------------
                                                                                               
DRUGSTORE.COM INC              COM       262241102        41      13,420 SH      SOLE                      13,420
DU PONT E I DE NEMOURS & CO    COM       263534109     7,428     214,750 SH      SOLE                     214,750
DYNAVAX TECHNOLOGIES CORP      COM       268158102        46      24,890 SH      SOLE                      24,890
EATON CORP                     COM       278058102     2,794      42,700 SH      SOLE                      42,700
EMERGENCY MEDICAL SVCS CORP    COM       29100P102     4,060      82,800 SH      SOLE                      82,800
EMERSON ELEC CO                COM       291011104     2,822      64,600 SH      SOLE                      64,600
ENCORE CAP GROUP INC           COM       292554102     4,528     219,700 SH      SOLE                     219,700
ENI S P A                      ADR       26874R108     2,025      55,400 SH      SOLE                      55,400
ENTERPRISE GP HLDGS L P        COM       293716106       583      12,300 SH      SOLE                      12,300
ESTERLINE TECHNOLOGIES CORP    COM       297425100       546      11,500 SH      SOLE                      11,500
F M C CORP                     COM       302491303     1,378      24,000 SH      SOLE                      24,000
FAMILY DLR STORES INC          COM       307000109     1,466      38,900 SH      SOLE                      38,900
FLOWSERVE CORP                 COM       34354P105     1,119      13,200 SH      SOLE                      13,200
FLUOR CORP NEW                 COM       343412102     1,245      29,300 SH      SOLE                      29,300
FORD MTR CO DEL                COM       345370860     4,410     437,500 SH      SOLE                     437,500
FOREST LABS INC                COM       345838106     1,550      56,500 SH      SOLE                      56,500
FREEPORT-MCMORAN
COPPER & GOLD                  COM       35671D857     1,189      20,100 SH      SOLE                      20,100
GAP INC DEL                    COM       364760108     1,183      60,800 SH      SOLE                      60,800
GARDNER DENVER INC             COM       365558105       531      11,900 SH      SOLE                      11,900
GENCORP INC                    COM       368682100     2,056     469,300 SH      SOLE                     469,300
GENERAL MLS INC                COM       370334104     1,563      44,000 SH      SOLE                      44,000
GLAXOSMITHKLINE PLC            ADR       37733W105     2,197      64,600 SH      SOLE                      64,600
GLOBAL CASH ACCESS HLDGS INC   COM       378967103     3,847     533,504 SH      SOLE                     533,504

Page 5 of 10                                                                                                             06/30/2010

                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

      Column 1:              Column 2:    Column 3:  Column 4:    Column 5:              Column 6:    Column 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
------------------------------------------------------------------------------------------------------------------------------------
                                                                                               
GOODRICH CORP                  COM       382388106     4,585      69,200 SH      SOLE                      69,200
GSI COMMERCE INC               COM       36238G102     4,850     168,400 SH      SOLE                     168,400
GYMBOREE CORP                  COM       403777105     3,660      85,700 SH      SOLE                      85,700
HEINZ H J CO                   COM       423074103     4,227      97,800 SH      SOLE                      97,800
HERSHEY CO                     COM       427866108     3,667      76,500 SH      SOLE                      76,500
HHGREGG INC                    COM       42833L108     4,382     187,900 SH      SOLE                     187,900
HILL ROM HLDGS INC             COM       431475102       569      18,700 SH      SOLE                      18,700
HOME DEPOT INC                 COM       437076102     5,552     197,800 SH      SOLE                     197,800
HONEYWELL INTL INC             COM       438516106     1,272      32,600 SH      SOLE                      32,600
HUMANA INC                     COM       444859102     1,603      35,100 SH      SOLE                      35,100
HUNTSMAN CORP                  COM       447011107     3,445     397,400 SH      SOLE                     397,400
IDT CORP                       COM       448947507       440      34,500 SH      SOLE                      34,500
INERGY HLDGS L P               COM       45661Q107       592      22,400 SH      SOLE                      22,400
INTEL CORP                     COM       458140100     3,293     169,300 SH      SOLE                     169,300
INTERFACE INC                  COM       458665106       517      48,100 SH      SOLE                      48,100
INTERNATIONAL BUSINESS MACHS   COM       459200101     1,469      11,900 SH      SOLE                      11,900
JO-ANN STORES INC              COM       47758P307     4,494     119,800 SH      SOLE                     119,800
JOE'S JEANS INC                COM       47777N101        44      22,110 SH      SOLE                      22,110
JOHNSON & JOHNSON              COM       478160104     3,245      54,950 SH      SOLE                      54,950
JOY GLOBAL INC                 COM       481165108     1,267      25,300 SH      SOLE                      25,300
KAPSTONE PAPER & PACKAGING CRP COM       48562P103     5,613     503,890 SH      SOLE                     503,890
KBR INC                        COM       48242W106     3,610     177,500 SH      SOLE                     177,500
KELLOGG CO                     COM       487836108     1,469      29,200 SH      SOLE                      29,200

Page 6 of 10                                                                                                             06/30/2010

                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

      Column 1:              Column 2:    Column 3:  Column 4:    Column 5:              Column 6:    Column 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
------------------------------------------------------------------------------------------------------------------------------------
                                                                                               
KIMBERLY CLARK CORP            COM       494368103     4,111      67,800 SH      SOLE                      67,800
KIRKLANDS INC                  COM       497498105     4,262     252,580 SH      SOLE                     252,580
KNOLOGY INC                    COM       499183804     4,187     383,100 SH      SOLE                     383,100
KRAFT FOODS INC                COM       50075N104     6,649     237,450 SH      SOLE                     237,450
KRISPY KREME DOUGHNUTS INC     COM       501014104        45      13,230 SH      SOLE                      13,230
LA Z BOY INC                   COM       505336107     3,064     412,400 SH      SOLE                     412,400
LABORATORY CORP AMER HLDGS     COM       50540R409     1,484      19,700 SH      SOLE                      19,700
LANCASTER COLONY CORP          COM       513847103     4,119      77,200 SH      SOLE                      77,200
LIBBEY INC                     COM       529898108       558      43,000 SH      SOLE                      43,000
LIBERTY GLOBAL INC             COM       530555101     1,450      55,800 SH      SOLE                      55,800
LIFETIME BRANDS INC            COM       53222Q103       537      36,700 SH      SOLE                      36,700
LILLY ELI & CO                 COM       532457108     1,467      43,800 SH      SOLE                      43,800
LIMITED BRANDS INC             COM       532716107     3,152     142,800 SH      SOLE                     142,800
LINN ENERGY LLC                COM       536020100     4,848     182,600 SH      SOLE                     182,600
LIONBRIDGE TECHNOLOGIES INC    COM       536252109       530     115,900 SH      SOLE                     115,900
LOCKHEED MARTIN CORP           COM       539830109     3,986      53,500 SH      SOLE                      53,500
LORAL SPACE & COMMUNICATNS INC COM       543881106       598      14,000 SH      SOLE                      14,000
LORILLARD INC                  COM       544147101     1,418      19,700 SH      SOLE                      19,700
LUBRIZOL CORP                  COM       549271104     1,349      16,800 SH      SOLE                      16,800
LUMBER LIQUIDATORS HLDGS INC   COM       55003T107     3,569     153,000 SH      SOLE                     153,000
M & F WORLDWIDE CORP           COM       552541104     3,209     118,400 SH      SOLE                     118,400
MACQUARIE INFRASTR CO LLC      COM       55608B105       533      41,700 SH      SOLE                      41,700
MARATHON OIL CORP              COM       565849106     2,714      87,300 SH      SOLE                      87,300

Page 7 of 10                                                                                                             06/30/2010

                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

      Column 1:              Column 2:    Column 3:  Column 4:    Column 5:              Column 6:    Column 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
------------------------------------------------------------------------------------------------------------------------------------
                                                                                               
MARSH & MCLENNAN COS INC       COM       571748102     2,807     124,500 SH      SOLE                     124,500
MASSEY ENERGY CORP             COM       576206106     2,820     103,100 SH      SOLE                     103,100
MATTEL INC                     COM       577081102     4,257     201,200 SH      SOLE                     201,200
MCDONALDS CORP                 COM       580135101     6,636     100,750 SH      SOLE                     100,750
MCGRAW HILL COS INC            COM       580645109     1,278      45,400 SH      SOLE                      45,400
MEADWESTVACO CORP              COM       583334107     2,178      98,100 SH      SOLE                      98,100
MEDIA GEN INC                  COM       584404107       526      53,900 SH      SOLE                      53,900
MERCK & CO INC NEW             COM       58933Y105     6,517     186,350 SH      SOLE                     186,350
MOBILE TELESYSTEMS OJSC        ADR       607409109     2,679     139,800 SH      SOLE                     139,800
MOODYS CORP                    COM       615369105     1,225      61,500 SH      SOLE                      61,500
MYLAN INC                      COM       628530107     4,541     266,500 SH      SOLE                     266,500
NACCO INDS INC                 COM       629579103       533       6,000 SH      SOLE                       6,000
NEENAH PAPER INC               COM       640079109       547      29,900 SH      SOLE                      29,900
NETWORK ENGINES INC            COM       64121A107        74      27,240 SH      SOLE                      27,240
NEWMARKET CORP                 COM       651587107     7,195      82,400 SH      SOLE                      82,400
NOKIA CORP                     ADR       654902204     1,767     216,800 SH      SOLE                     216,800
NU SKIN ENTERPRISES INC        CLASS A   67018T105     3,548     142,300 SH      SOLE                     142,300
NUCOR CORP                     COM       670346105     2,358      61,600 SH      SOLE                      61,600
O REILLY AUTOMOTIVE INC        COM       686091109     4,903     103,100 SH      SOLE                     103,100
OMNOVA SOLUTIONS INC           COM       682129101     4,626     592,310 SH      SOLE                     592,310
OWENS CORNING NEW              COM       690742101       541      18,100 SH      SOLE                      18,100
PACER INTL INC TENN            COM       69373H106       566      81,000 SH      SOLE                      81,000

Page 8 of 10                                                                                                             06/30/2010

                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

      Column 1:              Column 2:    Column 3:  Column 4:    Column 5:              Column 6:    Column 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
------------------------------------------------------------------------------------------------------------------------------------
                                                                                               
PATRIOT COAL CORP              COM       70336T104     3,613     307,500 SH      SOLE                     307,500
PFIZER INC                     COM       717081103     5,680     398,350 SH      SOLE                     398,350
PHILIP MORRIS INTL INC         COM       718172109     3,993      87,100 SH      SOLE                      87,100
PITNEY BOWES INC               COM       724479100     2,596     118,200 SH      SOLE                     118,200
                               UNIT LTD
PLAINS ALL AMERN PIPELINE L P  PARTN     726503105     4,737      80,700 SH      SOLE                      80,700
POWER ONE INC NEW              COM       73930R102       529      78,300 SH      SOLE                      78,300
PPG INDS INC                   COM       693506107     2,821      46,700 SH      SOLE                      46,700
PROVIDENCE SVC CORP            COM       743815102     3,767     269,100 SH      SOLE                     269,100
QUAKER CHEM CORP               COM       747316107       545      20,100 SH      SOLE                      20,100
RAYTHEON CO                    COM       755111507     1,282      26,500 SH      SOLE                      26,500
                               COM
REGENCY ENERGY PARTNERS L P    UNITS L P 75885Y107     4,931     204,100 SH      SOLE                     204,100
REVLON INC                     CLASS A   761525609     2,389     214,100 SH      SOLE                     214,100
REYNOLDS AMERICAN INC          COM       761713106     2,648      50,800 SH      SOLE                      50,800
ROCK-TENN CO                   COM       772739207     3,899      78,500 SH      SOLE                      78,500
ROSS STORES INC                COM       778296103     5,819     109,200 SH      SOLE                     109,200
                               SPON
ROYAL DUTCH SHELL PLC          ADR A     780259206     2,335      46,500 SH      SOLE                      46,500
SAIC INC                       COM       78390X101     1,421      84,900 SH      SOLE                      84,900
SANMINA SCI CORP               COM       800907206     6,387     469,300 SH      SOLE                     469,300
SARA LEE CORP                  COM       803111103     3,188     226,100 SH      SOLE                     226,100
SCHWEITZER-MAUDUIT INTL INC    COM       808541106     3,234      64,100 SH      SOLE                      64,100
SCOTTS MIRACLE GRO CO          COM       810186106     4,286      96,500 SH      SOLE                      96,500
SELECT COMFORT CORP            COM       81616X103       537      61,400 SH      SOLE                      61,400

Page 9 of 10                                                                                                             06/30/2010

                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

      Column 1:              Column 2:    Column 3:  Column 4:    Column 5:              Column 6:    Column 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
------------------------------------------------------------------------------------------------------------------------------------
                                                                                               
SINCLAIR BROADCAST GROUP INC   COM       829226109       511      87,600 SH      SOLE                      87,600
SKECHERS U S A INC             COM       830566105       533      14,600 SH      SOLE                      14,600
STANDEX INTL CORP              COM       854231107       553      21,800 SH      SOLE                      21,800
SXC HEALTH SOLUTIONS CORP      COM       78505P100     5,904      80,603 SH      SOLE                      80,603
SYSCO CORP                     COM       871829107     4,243     148,500 SH      SOLE                     148,500
TAIWAN SEMICONDUCTOR MFG LTD   ADR       874039100     2,372     243,000 SH      SOLE                     243,000
TECH DATA CORP                 COM       878237106     6,857     192,500 SH      SOLE                     192,500
TELEFONICA S A                 ADR       879382208     1,821      32,800 SH      SOLE                      32,800
TELVENT GIT SA                 SHS       E90215109     1,954     117,000 SH      SOLE                     117,000
TENNANT CO                     COM       880345103       572      16,900 SH      SOLE                      16,900
TETRA TECH INC NEW             COM       88162G103     2,604     132,800 SH      SOLE                     132,800
                               SPONS
TIM PARTICIPACOES S A          ADR PFD   88706P106     3,794     139,800 SH      SOLE                     139,800
TJX COS INC NEW                COM       872540109     1,363      32,500 SH      SOLE                      32,500
TOTAL S A                      ADR       89151E109     1,973      44,200 SH      SOLE                      44,200
TRACTOR SUPPLY CO              COM       892356106     5,012      82,200 SH      SOLE                      82,200
TRIMAS CORP                    COM       896215209       562      49,700 SH      SOLE                      49,700
TRW AUTOMOTIVE HLDGS CORP      COM       87264S106       527      19,100 SH      SOLE                      19,100
TUPPERWARE BRANDS CORP         COM       899896104     4,085     102,500 SH      SOLE                     102,500
U S AIRWAYS GROUP INC          COM       90341W108       548      63,600 SH      SOLE                      63,600
UAL CORP                       COM       902549807       574      27,900 SH      SOLE                      27,900
ULTA SALON COSMETCS & FRAG INC COM       90384S303     5,678     240,000 SH      SOLE                     240,000
ULTRA CLEAN HLDGS INC          COM       90385V107       561      65,800 SH      SOLE                      65,800

Page 10 of 10                                                                                                            06/30/2010

                                                     FORM 13F INFORMATION TABLE

                                         Name of Reporting Manager: Hennessy Advisors, Inc.

      Column 1:              Column 2:    Column 3:  Column 4:    Column 5:              Column 6:    Column 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
------------------------------------------------------------------------------------------------------------------------------------
                                                                                               
UNISYS CORP                    COM       909214306     2,232     120,700 SH      SOLE                     120,700
UNITED PARCEL SERVICE INC      COM       911312106     2,651      46,600 SH      SOLE                      46,600
UNIVERSAL AMERICAN CORP        COM       913377107       534      37,100 SH      SOLE                      37,100
VALASSIS COMMUNICATIONS INC    COM       918866104       533      16,800 SH      SOLE                      16,800
VERIZON COMMUNICATIONS INC     COM       92343V104     6,303     224,950 SH      SOLE                     224,950
VIRGIN MEDIA INC               COM       92769L101     9,478     567,900 SH      SOLE                     567,900
                               SPON ADR
VIVO PARTICIPACOES S A         PFD NEW   92855S200     3,188     123,000 SH      SOLE                     123,000
VODAFONE GROUP PLC NEW         ADR       92857W209     2,495     120,700 SH      SOLE                     120,700
WASTE MGMT INC DEL             COM       94106L109     2,560      81,800 SH      SOLE                      81,800
WATSON PHARMACEUTICALS INC     COM       942683103     4,511     111,200 SH      SOLE                     111,200
WESTELL TECH INC  -CL A        CLASS A   957541105        46      29,600 SH      SOLE                      29,600
WESTERN DIGITAL CORP           COM       958102105     1,077      35,700 SH      SOLE                      35,700
WHIRLPOOL CORP                 COM       963320106       527       6,000 SH      SOLE                       6,000
WORLD FUEL SVCS CORP           COM       981475106     4,433     170,900 SH      SOLE                     170,900
XL CAP LTD                     CL A      G98255105     3,428     214,100 SH      SOLE                     214,100
YUM BRANDS INC                 COM       988498101     1,394      35,700 SH      SOLE                      35,700
ZIONS BANCORPORATION           COM       989701107       528      24,500 SH      SOLE                      24,500
TOTAL                                                  587,090