WASHINGTON, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934

                                 AMENDMENT NO. 5

                 Banner Corp., a.k.a. First Washington Bancorp.
                                (Name of Issuer)

                                  Common Stock
                         (Title of Class of Securities)

                                 (CUSIP Number)

Check the  appropriate box to designate the rule pursuant to which this Schedule
is filed:
[x] Rule 13d-1 ( b)
[ ] Rule 13d-1 ( c)
[ ] Rule 13d-1 ( d)

The  remainder  of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures  provided in a prior cover page. The information in the remainder of
this cover page shall not be deemed to be "filed"  for the purpose of Section 18
of the Securities  and Exchange Act of 1934 ("Act") or otherwise  subject to the
liabilities  of that  section  of the Act but  shall  be  subject  to all  other
provisions of the Act (however, see the Notes).


Cusip No. 06652V109

1.   Name of Reporting Person
     S.S. or I.R.S. Identification No. of Above Person
     Westport Asset Management, Inc. - 06-1087640
     Westport Advisers LLC - 06-1497709


2.   Check the appropriate box if a member of a group*
     (a) [ ]
     (b) [X]


3.   SEC Use Only


4.   Citizenship or Place or Organization

                    5.   Sole Voting Power
Number of           ------------------------------------------------------------
Shares              6.   Shared Voting Power
Beneficially             760,606
Owned By            ------------------------------------------------------------
Each                7.   Sole Dispositive Power
Reporting                0
Person              ------------------------------------------------------------
With                8.   Shared Dispositive Power

9.   Aggregate Amount Beneficially Owned by each Reporting Person

10.  Check Box if the aggregate amount in row (9) excludes certain shares [x]

11.  Percent of Class Represented by Amount in Row 9

12.  Type of Reporting Person*


Item 1(a):     Name of Issuer:
----------     ---------------
               Banner Corp., a.k.a. First Washington Bancorp.

Item 1(b):     Address of Issuer's Principal Executive Offices:
----------     ------------------------------------------------
               10 S. First Avenue
               Walla Walla, WA  99362-0265

Item 2(a):     Name of Person Filing:
----------     ----------------------
               Westport Asset Management, Inc.

Item 2(b):     Address of Principal Business Office:
----------     -------------------------------------
               253 Riverside Avenue
               Westport, CT  06880

Item 2(c):     Citizenship:
----------     ------------

Item 2(d):     Title of Class of Securities:
----------     -----------------------------
               Common Stock

Item 2(e):     CUSIP Number:
----------     -------------

Item 3.        If this stated is filed pursuant to Rules
-------        -----------------------------------------
               13d-1(b), or 13d-2(b), check whether the person filing is a:

               (a) ( )  Broker or Dealer registered under
                        Section 15 of the Act

               (b) ( )  Bank as defined in Section 3(b)(6)
                        of the Act

               (c) ( )  Insurance Company as defined in
                        Section 3(a) (19) of the Act

               (d) ( )  Investment Company registered
                        under Section 8 of the Investment
                        Company Act

               (e) (X)  Investment Adviser registered
                        under Section 203 of the Investment
                        Advisors Act of 1940

               (f) ( )  Employee Benefit Plan, Pension
                        Fund which is subject to the
                        Provisions of the Employee Retire-
                        ment Income Security Act of 1974
                        or Endowment Fund; see ss.240.13d-1

               (g) (X)  Parent Holding Company, in accordance
                        with ss.240.13d-1(b)(ii)(G)
                        (Note: See Item 7)

               (h) ( )  Group in accordance with ss.240.13d-1

Item 4.        Ownership.
-------        ----------

               (a)  Amount Beneficially owned:

               (b)  Percent of Class:

               (c)  Number of shares as to which such person has:

                    (i)  sole power to vote or to direct the vote:

                    (ii) shared power to vote or to direct the vote:

                    (iii)sole power to dispose or to direct the disposition of:

                    (iv) shared power to dispose or to direct the disposition
                         of: 1,002,606

Item 5.        Ownership of Five Percent or Less of a Class
-------        --------------------------------------------

               If this  statement  is being  filed to report the fact that as of
               the  date  hereof  the  reporting  person  has  ceased  to be the
               beneficial  owner  of more  than  five  percent  of the  class of
               securities, check the following ( )

Item 6.        Ownership of More than Five Percent on Behalf of Another Person:
-------        ----------------------------------------------------------------

Management,  Inc. is deemed to be a beneficial owner for purposes of Rule 13 (d)
since it has shared power to make  decisions  whether to retain,  dispose of the
securities of many unrelated clients. Westport Asset Management,  Inc. does not,
however,  have an economic  interest in the  securities  of those  clients.  The
clients are actual owners of the  securities  and have the sole right to receive
and the power to direct the receipt of dividends  from or proceeds from the sale
of such securities.  The Reporting Person disclaims beneficial ownership of such
shares and disclaims the existence of any group.

Employee (s) of Westport  Asset  Management,  Inc. and  Westport  Advisers  LLC,
("Employees") own 7,865 shares.  Employee (s) own these shares in their personal
securities  accounts.   Westport  Asset  Management,Inc.   disclaims  beneficial
ownership of these shares since these shares were  purchased  with each employee
(s)' personal  funds and each employee has  exclusive  dispositive  voting power
over the shares held in their respective accounts.

Westport Asset Management, Inc. owns 50% of Westport Advisors LLC, which is also
an investment  adviser  registered under Section 203 of the Investment  Advisors
Act of 1940.  With  regard  to the  shares  set forth  under  Item 4. (c ) (ii),
Westport  Asset  Management  Inc.  and  Westport  Advisers  LLC are deemed to be
beneficial  owners for purposes of Rule 13 (d) since they both have shared power
to make decisions whether to retain or dispose and vote the securities. Westport
Advisers LLC serves as investment  manager of The Westport  Funds,  mutual funds
which hold such shares in the  ordinary  course of their  business  not with the
purpose  nor with the  effect of  changing  or  influencing  the  control of the

Item 7.        Identification   and   Classification  of  the  Subsidiary  Which
-------        acquired the  Security  Being  Reported on By the Parent  Holding

Westport Asset Management,Inc. makes this filing pursuant to Rule 13D-1 (b) (ii)
(G) since it owns 50% of Westport Advisers LLC. Westport Asset Management,  Inc.
is an investment  advisor and Westport Advisors LLC is an investment advisor for
a Series of Public Mutual Funds.

Item 8.        Identification and Classification of Members of the Group.
-------        ----------------------------------------------------------

Item 9.        Notice of Dissolution of Group.
-------        -------------------------------

Item 10.       Certification
--------       -------------

     By signing  below,  I certify that, to the best of my knowledge and belief,
the  securities  referred  to above  were  acquired  in the  ordinary  course of
business  and were not acquired for the purpose of and do not have the effect of
changing or  influencing  the control of the issuer of such  securities and were
not acquired in connection  with or as a participant in any  transaction  having
such purpose or effect.


     The  undersigned  expressly  declares  that the filing of this Schedule 13G
shall not be construed  as an admission  that such person is, for the purpose of
Section 13(d) or 13(g) of the Securities  Act of 1934,  the beneficial  owner of
any securities covered by this statement.

     Signature.  After  reasonable  inquiry and to the best of my knowledge  and
belief,  I certify  that the  information  set forth in this  statement is true,
complete and correct.

Date:  February 15, 2002

                                         Westport Asset Management, Inc.

                                         By /s/ Andrew J. Knuth

                                         Andrew J. Knuth, Chairman