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

                                  SCHEDULE 13D
                    Under The Securities Exchange Act of 1934
                               (Amendment No. 16)*

                              M&T Bank Corporation
-------------------------------------------------------------------------------
                                (Name of Issuer)

                     Common Stock, par value $0.50 per share
-------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                   55261F 10 4
-------------------------------------------------------------------------------
                                 (CUSIP Number)

                              Howard N. Cayne, Esq.
                                 Arnold & Porter
                            555 Twelfth Street, N.W.
                           Washington, D.C. 20004-1202
                                 (202) 942-5656
-------------------------------------------------------------------------------
           (Name, Address and Telephone Number of Person Authorized to
                       Receive Notices and Communications)

                                December 3, 2001
-------------------------------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Sections 240.13d-l(e), 240.13d-l(f) or 240.13d-l(g), check
the following box. [ ]

NOTE: Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Section 240.13d-7 for other
parties to whom copies are being sent.

*The remainder of this cover 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
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities 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).

This Document Consists of 21 Pages.



CUSIP No. 55261F 10 4            Schedule 13D



-------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      Robert G. Wilmers

-------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group  (See Instructions)
      (a)....................................................................[X]
      (b)....................................................................[ ]

-------------------------------------------------------------------------------
3.    SEC Use Only

-------------------------------------------------------------------------------
4.    Source of Funds (See Instructions):  PF, BK, OO

-------------------------------------------------------------------------------
5.    Check Box if Disclosure of Legal Proceedings is Required Pursuant to
      Items 2(d) or 2(e).....................................................[ ]

-------------------------------------------------------------------------------
6.    Citizenship or Place of Organization: U.S.

                    7.    Sole Voting Power:                          5,733,884
Number of           -----------------------------------------------------------
Shares
Beneficially        8.    Shared Voting Power:                        0
Owned by            -----------------------------------------------------------
Each
Reporting           9.    Sole Dispositive Power:                     5,733,884
Person With         -----------------------------------------------------------

                    10.  Shared Dispositive Power:                    0

-------------------------------------------------------------------------------
11.   Aggregate Amount Beneficially Owned by Each Reporting
      Person:                                                         5,733,884

-------------------------------------------------------------------------------
12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares
      (See Instructions).....................................................[ ]
-------------------------------------------------------------------------------

13.   Percent of Class Represented by Amount in Row (11):             6.06%
-------------------------------------------------------------------------------

14.   Type of Reporting Person (See Instructions)  IN
-------------------------------------------------------------------------------


                                                                             2



CUSIP No. 55261F 10 4            Schedule 13D



-------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      West Ferry Foundation

-------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group  (See Instructions)
      (a)....................................................................[X]
      (b)....................................................................[ ]

-------------------------------------------------------------------------------
3.    SEC Use Only

-------------------------------------------------------------------------------
4.    Source of Funds (See Instructions):  OO

-------------------------------------------------------------------------------
5.    Check Box if Disclosure of Legal Proceedings is Required Pursuant to
      Items 2(d) or 2(e).....................................................[ ]

-------------------------------------------------------------------------------
6.    Citizenship or Place of Organization: New York

                    7.    Sole Voting Power:                          206,180
Number of           -----------------------------------------------------------
Shares
Beneficially        8.    Shared Voting Power:                        0
Owned by            -----------------------------------------------------------
Each
Reporting           9.    Sole Dispositive Power:                     206,180
Person With         -----------------------------------------------------------

                    10.  Shared Dispositive Power:                    0

-------------------------------------------------------------------------------
11.   Aggregate Amount Beneficially Owned by Each Reporting
      Person:                                                         206,180

-------------------------------------------------------------------------------
12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares
      (See Instructions).....................................................[ ]
-------------------------------------------------------------------------------

13.   Percent of Class Represented by Amount in Row (11):            .22%
-------------------------------------------------------------------------------

14.   Type of Reporting Person (See Instructions)  OO
-------------------------------------------------------------------------------


                                                                             3




CUSIP No. 55261F 10 4            Schedule 13D



-------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      Roche Foundation

-------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group  (See Instructions)
      (a)....................................................................[X]
      (b)....................................................................[ ]

-------------------------------------------------------------------------------
3.    SEC Use Only

-------------------------------------------------------------------------------
4.    Source of Funds (See Instructions):  OO

-------------------------------------------------------------------------------
5.    Check Box if Disclosure of Legal Proceedings is Required Pursuant to
      Items 2(d) or 2(e).....................................................[ ]

-------------------------------------------------------------------------------
6.    Citizenship or Place of Organization: Delaware

                    7.    Sole Voting Power:                          100,000
Number of           -----------------------------------------------------------
Shares
Beneficially        8.    Shared Voting Power:                        0
Owned by            -----------------------------------------------------------
Each
Reporting           9.    Sole Dispositive Power:                     100,000
Person With         -----------------------------------------------------------

                    10.  Shared Dispositive Power:                    0

-------------------------------------------------------------------------------
11.   Aggregate Amount Beneficially Owned by Each Reporting
      Person:                                                         100,000

-------------------------------------------------------------------------------
12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares
      (See Instructions).....................................................[ ]
-------------------------------------------------------------------------------

13.   Percent of Class Represented by Amount in Row (11):            .11%
-------------------------------------------------------------------------------

14.   Type of Reporting Person (See Instructions)  OO
-------------------------------------------------------------------------------


                                                                             4



CUSIP No. 55261F 10 4            Schedule 13D



-------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      Wilmers Company, L.L.C.

-------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group  (See Instructions)
      (a)....................................................................[X]
      (b)....................................................................[ ]

-------------------------------------------------------------------------------
3.    SEC Use Only

-------------------------------------------------------------------------------
4.    Source of Funds (See Instructions):  OO

-------------------------------------------------------------------------------
5.    Check Box if Disclosure of Legal Proceedings is Required Pursuant to
      Items 2(d) or 2(e).....................................................[ ]

-------------------------------------------------------------------------------
6.    Citizenship or Place of Organization: Delaware

                    7.    Sole Voting Power:                          400,000
Number of           -----------------------------------------------------------
Shares
Beneficially        8.    Shared Voting Power:                        0
Owned by            -----------------------------------------------------------
Each
Reporting           9.    Sole Dispositive Power:                     400,000
Person With         -----------------------------------------------------------

                    10.  Shared Dispositive Power:                    0

-------------------------------------------------------------------------------
11.   Aggregate Amount Beneficially Owned by Each Reporting
      Person:                                                         400,000

-------------------------------------------------------------------------------
12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares
      (See Instructions).....................................................[ ]
-------------------------------------------------------------------------------

13.   Percent of Class Represented by Amount in Row (11):            .43%
-------------------------------------------------------------------------------

14.   Type of Reporting Person (See Instructions)  OO
-------------------------------------------------------------------------------


                                                                             5



CUSIP No. 55261F 10 4            Schedule 13D



-------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      Elisabeth Roche Wilmers

-------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group  (See Instructions)
      (a)....................................................................[X]
      (b)....................................................................[ ]

-------------------------------------------------------------------------------
3.    SEC Use Only

-------------------------------------------------------------------------------
4.    Source of Funds (See Instructions):  OO

-------------------------------------------------------------------------------
5.    Check Box if Disclosure of Legal Proceedings is Required Pursuant to
      Items 2(d) or 2(e).....................................................[ ]

-------------------------------------------------------------------------------
6.    Citizenship or Place of Organization: France

                    7.    Sole Voting Power:                          502,610
Number of           -----------------------------------------------------------
Shares
Beneficially        8.    Shared Voting Power:                        0
Owned by            -----------------------------------------------------------
Each
Reporting           9.    Sole Dispositive Power:                     502,610
Person With         -----------------------------------------------------------

                    10.  Shared Dispositive Power:                    0

-------------------------------------------------------------------------------
11.   Aggregate Amount Beneficially Owned by Each Reporting
      Person:                                                         502,610

-------------------------------------------------------------------------------
12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares
      (See Instructions).....................................................[ ]
-------------------------------------------------------------------------------

13.   Percent of Class Represented by Amount in Row (11):            .54%
-------------------------------------------------------------------------------

14.   Type of Reporting Person (See Instructions)  IN
-------------------------------------------------------------------------------


                                                                             6



CUSIP No. 55261F 10 4            Schedule 13D



-------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      Argali [BVI] Limited

-------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group  (See Instructions)
      (a)....................................................................[X]
      (b)....................................................................[ ]

-------------------------------------------------------------------------------
3.    SEC Use Only

-------------------------------------------------------------------------------
4.    Source of Funds (See Instructions):  OO

-------------------------------------------------------------------------------
5.    Check Box if Disclosure of Legal Proceedings is Required Pursuant to
      Items 2(d) or 2(e).....................................................[ ]

-------------------------------------------------------------------------------
6.    Citizenship or Place of Organization: British Virgin Islands

                    7.    Sole Voting Power:                          302,000
Number of           -----------------------------------------------------------
Shares
Beneficially        8.    Shared Voting Power:                        0
Owned by            -----------------------------------------------------------
Each
Reporting           9.    Sole Dispositive Power:                     302,000
Person With         -----------------------------------------------------------

                    10.  Shared Dispositive Power:                    0

-------------------------------------------------------------------------------
11.   Aggregate Amount Beneficially Owned by Each Reporting
      Person:                                                         302,000

-------------------------------------------------------------------------------
12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares
      (See Instructions).....................................................[ ]
-------------------------------------------------------------------------------

13.   Percent of Class Represented by Amount in Row (11):            .32%
-------------------------------------------------------------------------------

14.   Type of Reporting Person (See Instructions)  CO
-------------------------------------------------------------------------------


                                                                             7


CUSIP No. 55261F 10 4            Schedule 13D



-------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      Hofin Anstalt

-------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group  (See Instructions)
      (a)....................................................................[X]
      (b)....................................................................[ ]

-------------------------------------------------------------------------------
3.    SEC Use Only

-------------------------------------------------------------------------------
4.    Source of Funds (See Instructions):  WC

-------------------------------------------------------------------------------
5.    Check Box if Disclosure of Legal Proceedings is Required Pursuant to
      Items 2(d) or 2(e).....................................................[ ]

-------------------------------------------------------------------------------
6.    Citizenship or Place of Organization: Liechtenstein

                    7.    Sole Voting Power:                          3,013,000
Number of           -----------------------------------------------------------
Shares
Beneficially        8.    Shared Voting Power:                        0
Owned by            -----------------------------------------------------------
Each
Reporting           9.    Sole Dispositive Power:                     3,013,000
Person With         -----------------------------------------------------------

                    10.  Shared Dispositive Power:                    0

-------------------------------------------------------------------------------
11.   Aggregate Amount Beneficially Owned by Each Reporting
      Person:                                                         3,013,000

-------------------------------------------------------------------------------
12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares
      (See Instructions).....................................................[ ]
-------------------------------------------------------------------------------

13.   Percent of Class Represented by Amount in Row (11):             3.22%
-------------------------------------------------------------------------------

14.   Type of Reporting Person (See Instructions)  OO
-------------------------------------------------------------------------------


                                                                             8

CUSIP No. 55261F 10 4            Schedule 13D



-------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      REM Foundation

-------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group  (See Instructions)
      (a)....................................................................[X]
      (b)....................................................................[ ]

-------------------------------------------------------------------------------
3.    SEC Use Only

-------------------------------------------------------------------------------
4.    Source of Funds (See Instructions):  WC

-------------------------------------------------------------------------------
5.    Check Box if Disclosure of Legal Proceedings is Required Pursuant to
      Items 2(d) or 2(e).....................................................[ ]

-------------------------------------------------------------------------------
6.    Citizenship or Place of Organization: Liechtenstein

                    7.    Sole Voting Power:                          4,513,200
Number of           -----------------------------------------------------------
Shares
Beneficially        8.    Shared Voting Power:                        0
Owned by            -----------------------------------------------------------
Each
Reporting           9.    Sole Dispositive Power:                     4,513,200
Person With         -----------------------------------------------------------

                    10.  Shared Dispositive Power:                    0

-------------------------------------------------------------------------------
11.   Aggregate Amount Beneficially Owned by Each Reporting
      Person:                                                         4,513,200

-------------------------------------------------------------------------------
12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares
      (See Instructions).....................................................[ ]
-------------------------------------------------------------------------------

13.   Percent of Class Represented by Amount in Row (11):             4.82%
-------------------------------------------------------------------------------

14.   Type of Reporting Person (See Instructions)  OO
-------------------------------------------------------------------------------


                                                                             9


CUSIP No. 55261F 10 4            Schedule 13D



-------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      Jorge G. Pereira

-------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group  (See Instructions)
      (a)....................................................................[X]
      (b)....................................................................[ ]

-------------------------------------------------------------------------------
3.    SEC Use Only

-------------------------------------------------------------------------------
4.    Source of Funds (See Instructions):  OO

-------------------------------------------------------------------------------
5.    Check Box if Disclosure of Legal Proceedings is Required Pursuant to
      Items 2(d) or 2(e).....................................................[ ]

-------------------------------------------------------------------------------
6.    Citizenship or Place of Organization: Portugal

                    7.    Sole Voting Power:                          3,013,939
Number of           -----------------------------------------------------------
Shares
Beneficially        8.    Shared Voting Power:                        0
Owned by            -----------------------------------------------------------
Each
Reporting           9.    Sole Dispositive Power:                     3,013,939
Person With         -----------------------------------------------------------

                    10.  Shared Dispositive Power:                    0

-------------------------------------------------------------------------------
11.   Aggregate Amount Beneficially Owned by Each Reporting
      Person:                                                         3,013,939

-------------------------------------------------------------------------------
12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares
      (See Instructions).....................................................[ ]
-------------------------------------------------------------------------------

13.   Percent of Class Represented by Amount in Row (11):             3.22%
-------------------------------------------------------------------------------

14.   Type of Reporting Person (See Instructions)  IN
-------------------------------------------------------------------------------


                                                                             10


CUSIP No. 55261F 10 4            Schedule 13D



-------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      Bikala Holdings Ltd.

-------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group  (See Instructions)
      (a)....................................................................[X]
      (b)....................................................................[ ]

-------------------------------------------------------------------------------
3.    SEC Use Only

-------------------------------------------------------------------------------
4.    Source of Funds (See Instructions):  WC

-------------------------------------------------------------------------------
5.    Check Box if Disclosure of Legal Proceedings is Required Pursuant to
      Items 2(d) or 2(e).....................................................[ ]

-------------------------------------------------------------------------------
6.    Citizenship or Place of Organization: Gilbraltar

                    7.    Sole Voting Power:                          13,000
Number of           -----------------------------------------------------------
Shares
Beneficially        8.    Shared Voting Power:                        0
Owned by            -----------------------------------------------------------
Each
Reporting           9.    Sole Dispositive Power:                     13,000
Person With         -----------------------------------------------------------

                    10.  Shared Dispositive Power:                    0

-------------------------------------------------------------------------------
11.   Aggregate Amount Beneficially Owned by Each Reporting
      Person:                                                         13,000

-------------------------------------------------------------------------------
12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares
      (See Instructions).....................................................[ ]
-------------------------------------------------------------------------------

13.   Percent of Class Represented by Amount in Row (11):            .01%
-------------------------------------------------------------------------------

14.   Type of Reporting Person (See Instructions)  CO
-------------------------------------------------------------------------------


                                                                             11


CUSIP No. 55261F 10 4            Schedule 13D



-------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      Alauda Investments Ltd.

-------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group  (See Instructions)
      (a)....................................................................[X]
      (b)....................................................................[ ]

-------------------------------------------------------------------------------
3.    SEC Use Only

-------------------------------------------------------------------------------
4.    Source of Funds (See Instructions):  WC

-------------------------------------------------------------------------------
5.    Check Box if Disclosure of Legal Proceedings is Required Pursuant to
      Items 2(d) or 2(e).....................................................[ ]

-------------------------------------------------------------------------------
6.    Citizenship or Place of Organization: Gilbraltar

                    7.    Sole Voting Power:                          3,000,000
Number of           -----------------------------------------------------------
Shares
Beneficially        8.    Shared Voting Power:                        0
Owned by            -----------------------------------------------------------
Each
Reporting           9.    Sole Dispositive Power:                     3,000,000
Person With         -----------------------------------------------------------

                    10.  Shared Dispositive Power:                    0

-------------------------------------------------------------------------------
11.   Aggregate Amount Beneficially Owned by Each Reporting
      Person:                                                         3,000,000

-------------------------------------------------------------------------------
12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares
      (See Instructions).....................................................[ ]
-------------------------------------------------------------------------------

13.   Percent of Class Represented by Amount in Row (11):             3.20%
-------------------------------------------------------------------------------

14.   Type of Reporting Person (See Instructions)  CO
-------------------------------------------------------------------------------


                                                                             12

CUSIP No. 55261F 10 4            Schedule 13D



-------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      Grantor Retained Annuity Trust No. 5

      13-701558

-------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group  (See Instructions)
      (a)....................................................................[X]
      (b)....................................................................[ ]

-------------------------------------------------------------------------------
3.    SEC Use Only

-------------------------------------------------------------------------------
4.    Source of Funds (See Instructions):  OO

-------------------------------------------------------------------------------
5.    Check Box if Disclosure of Legal Proceedings is Required Pursuant to
      Items 2(d) or 2(e).....................................................[ ]

-------------------------------------------------------------------------------
6.    Citizenship or Place of Organization: New York

                    7.    Sole Voting Power:                          214,540
Number of           -----------------------------------------------------------
Shares
Beneficially        8.    Shared Voting Power:                        0
Owned by            -----------------------------------------------------------
Each
Reporting           9.    Sole Dispositive Power:                     214,540
Person With         -----------------------------------------------------------

                    10.  Shared Dispositive Power:                    0

-------------------------------------------------------------------------------
11.   Aggregate Amount Beneficially Owned by Each Reporting
      Person:                                                         214,540

-------------------------------------------------------------------------------
12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares
      (See Instructions).....................................................[ ]
-------------------------------------------------------------------------------

13.   Percent of Class Represented by Amount in Row (11):            .23%
-------------------------------------------------------------------------------

14.   Type of Reporting Person (See Instructions)  OO
-------------------------------------------------------------------------------


                                                                             13


CUSIP No. 55261F 10 4            Schedule 13D



-------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      Grantor Retained Annuity Trust No. 6

      13-701559

-------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group  (See Instructions)
      (a)....................................................................[X]
      (b)....................................................................[ ]

-------------------------------------------------------------------------------
3.    SEC Use Only

-------------------------------------------------------------------------------
4.    Source of Funds (See Instructions):  OO

-------------------------------------------------------------------------------
5.    Check Box if Disclosure of Legal Proceedings is Required Pursuant to
      Items 2(d) or 2(e).....................................................[ ]

-------------------------------------------------------------------------------
6.    Citizenship or Place of Organization: New York

                    7.    Sole Voting Power:                          224,766
Number of           -----------------------------------------------------------
Shares
Beneficially        8.    Shared Voting Power:                        0
Owned by            -----------------------------------------------------------
Each
Reporting           9.    Sole Dispositive Power:                     224,766
Person With         -----------------------------------------------------------

                    10.  Shared Dispositive Power:                    0

-------------------------------------------------------------------------------
11.   Aggregate Amount Beneficially Owned by Each Reporting
      Person:                                                         224,766

-------------------------------------------------------------------------------
12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares
      (See Instructions).....................................................[ ]
-------------------------------------------------------------------------------

13.   Percent of Class Represented by Amount in Row (11):            .24%
-------------------------------------------------------------------------------

14.   Type of Reporting Person (See Instructions)  OO
-------------------------------------------------------------------------------


                                                                             14



CUSIP No. 55261F 10 4            Schedule 13D



-------------------------------------------------------------------------------
1.    Names of Reporting Persons.
      I.R.S. Identification Nos. of above persons (entities only).

      St. Simon Charitable Foundation

-------------------------------------------------------------------------------
2.    Check the Appropriate Box if a Member of a Group  (See Instructions)
      (a)....................................................................[X]
      (b)....................................................................[ ]

-------------------------------------------------------------------------------
3.    SEC Use Only

-------------------------------------------------------------------------------
4.    Source of Funds (See Instructions):  OO

-------------------------------------------------------------------------------
5.    Check Box if Disclosure of Legal Proceedings is Required Pursuant to
      Items 2(d) or 2(e).....................................................[ ]

-------------------------------------------------------------------------------
6.    Citizenship or Place of Organization: Delaware

                    7.    Sole Voting Power:                          92,307
Number of           -----------------------------------------------------------
Shares
Beneficially        8.    Shared Voting Power:                        0
Owned by            -----------------------------------------------------------
Each
Reporting           9.    Sole Dispositive Power:                     92,307
Person With         -----------------------------------------------------------

                    10.  Shared Dispositive Power:                    0

-------------------------------------------------------------------------------
11.   Aggregate Amount Beneficially Owned by Each Reporting
      Person:                                                         92,307

-------------------------------------------------------------------------------
12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares
      (See Instructions).....................................................[ ]
-------------------------------------------------------------------------------

13.   Percent of Class Represented by Amount in Row (11):            .10%
-------------------------------------------------------------------------------

14.   Type of Reporting Person (See Instructions)  OO
-------------------------------------------------------------------------------


                                                                             15

CUSIP No. 55261F 10 4            Schedule 13D


                        AMENDMENT NO. 16 TO SCHEDULE 13D

        The Schedule 13D, dated May 8, 1980, as amended, of Robert G. Wilmers,
Elisabeth Roche Wilmers, Wilmers Company, L.L.C., West Ferry Foundation, REM
Foundation, Roche Foundation, Hofin Anstalt, Argali [BVI] Limited, Bikala
Holdings Ltd., Alauda Investments Ltd., Jorge G. Pereira, St. Simon Charitable
Foundation, Grantor Retained Annuity Trust No. 5, and Grantor Retained Annuity
Trust No. 6 (collectively referred to as the "Reporting Persons") is hereby
amended as set forth below.

        The purpose of this Amendment No. 16 to the Schedule 13D is to reflect
changes in the number of shares of common stock, par value $.50 per share
("Shares"), beneficially owned by the Reporting Persons, reductions primarily
due to acquisition transactions entered into and consummated by M&T Bank
Corporation ("M&T"), and to update certain other information. The numbers of
Shares numbers reported in this Amendment No. 16 give effect to a 10 for 1 stock
spilt of the Shares, effective October 5, 2000.

        This Amendment No. 16 to Schedule 13D should be read in conjunction
with, and is qualified in its entirety by reference to the Schedule 13D and
Amendments Nos. 1 through 15 thereto.

ITEM 1.   SECURITY AND ISSUER

        Item 1 of the Schedule 13D is revised, amended, and restated as set
forth below:


               The title of the class of equity securities to which this
Schedule 13D relates is the common stock, par value $.50 per share, of M&T. The
address of the principal executive offices of M&T is One M&T Plaza, Buffalo, New
York 14203.

ITEM 2.   IDENTITY AND BACKGROUND

        Item 2 of the Schedule 13D is amended as follows:

        (1) Wilmers Company, L.L.C.

        Wilmers Company, L.L.C., a limited liability company organized under the
law of the State of Delaware, was formed for the purpose of holding the Shares
transferred to it by Mr. Wilmers. The principal address of the Wilmers Company
L.L.C. is c/o M&T Bank, 350 Park Avenue, 6th Floor, New York, New York 10022.
Mr. Wilmers is the sole member of Wilmers Company, L.L.C. with voting and
dispositive power over the Shares that it owns.


                                                                            16



CUSIP No. 55261F 10 4            Schedule 13D

        (2) St. Simon Charitable Foundation

        St. Simon Charitable Foundation, a non-for-profit, non stock corporation
organized under the law of the State Delaware, was formed for the purpose of
holding the Shares transferred to it by Mr. Wilmers. The principal address of
St. Simon Charitable Foundation is 2214 Massachusetts Avenue, Washington, D.C.
20008. Mr. Wilmers, director and president of St. Simon Charitable Foundation,
holds voting and dispositive power over the Shares owned by it.

ITEM 5.   INTEREST IN SECURITIES OF THE ISSUER

        Item 5 of the Schedule 13D is revised and amended and restated as set
forth below:

        (a)-(b) The aggregate number and percentage of outstanding Shares
beneficially owned by each Reporting Person are set forth below. Unless
otherwise indicated, each Reporting Person has sole voting and dispositive power
with respect to the M&T Shares listed opposite his name.



                                     Number of                     Percentage of
                                        M&T                         Outstanding
Reporting Person                   Shares Owned                  M&T Shares Owned (1)
----------------                  -------------                  --------------------
                                                                
Robert G. Wilmers                    5,733,884 (2)                     6.06%
West Ferry Foundation                  206,180                          .22%
Roche Foundation                       100,000                          .11%
Wilmers Company, L.L.C.                400,000                          .43%
Elisabeth Wilmers                      502,610                          .54%
Argali [BVI] Limited                   302,000                          .32%
Hofin Anstalt                        3,013,000                         3.22%
REM Foundation (3)                   4,513,200                         4.82%
Jorge G. Pereira                     3,013,939 (4)                     3.22%
Bikala Holdings Ltd.                    13,000                          .01%
Alauda Investments Ltd.              3,000,000                         3.20%
St. Simon Charitable Foundation         92,307                          .10%
Trust No. 5                            214,540                          .23%
Trust No. 6                            224,766                          .24%
Reporting Persons as a Group        14,065,633                        14.87%



(1) Based upon 93,630,361 Shares outstanding as of January 8, 2002. In
calculating the beneficial ownership percentage of Mr. Wilmers and the aggregate
percentage for all the Reporting Persons, Shares subject to options held by Mr.
Wilmers which are currently exercisable or exercisable within 60 days from the
date hereof are added to the Total Shares outstanding.

(2) Mr. Wilmers beneficially owns 5,733,884 Shares over which Mr. Wilmers has
sole voting and dispositive power, such Shares representing approximately 6.06 %
of the Shares issued and outstanding. The number of Shares beneficially owned by


                                                                            17


CUSIP No. 55261F 10 4            Schedule 13D



Mr. Wilmers includes: (i) 3,471,385 Shares owned directly; (ii) 206,180 Shares
owned by the West Ferry Foundation, a charitable trust formed by Mr. Wilmers,
as to which Mr. Wilmers, as trustee, holds sole voting and dispositive power;
(iii) 100,000 Shares owned by the Roche Foundation, a not-for-profit, non-stock
corporation, as to which Mr. Wilmers, as director and president, holds sole
voting and dispositive power; (iv) 400,000 Shares held by the Wilmers Company,
L.L.C., as to which Mr. Wilmers, as sole member, holds sole voting and
dispositive power; (v) 92,307 Shares owned by the Saint Simon Foundation, a
not-for-profit, non-stock corporation, as to which Mr. Wilmers, as a director
and president, holds voting and dispositive power; (vi) 214,540 Shares held by
Grantor Retained Annuity Trust No. 5; (vii) 224,766 Shares held by Grantor
Retained Annuity Trust No. 6; (viii) 36,707 Shares allocated under M&T's
Retirement Savings Plan (401(k) plan); and (ix) 987,999 Shares subject to
employee stock options granted to Mr. Wilmers which are currently exercisable
within 60 days of the date hereof.

(3) On December 3, 2001 REM Foundation transferred all of such shares to a
wholly owned subsidiary R.I. Rem Investments, S.A., a Panamanian entity.

(4) Since Jorge G. Pereira is the beneficial owner of Hofin Anstalt, which is
the sole shareholder of Alauda Investments Ltd. and Bikala Holdings Ltd., his
beneficial ownership includes Shares held by such entities.

        (c) As described above, on December 3, 2001, REM Foundation transferred
all 4,513,200 Shares held by it to a wholly owned subsidiary, R.I. Rem
Investments, S.A., a Panamanian entity. REM now holds all of such Shares
indirectly. On November 28, 2001, West Ferry Foundation transferred 4,400 of the
Shares it held by means of a gift. No consideration was paid for such shares. On
January 16, 2002 and January 17, 2002, Mr. Wilmers sold 144,200 and 5,800
Shares, respectively, at an average price of $74.9135 per Share. The
transactions were effected on the New York Stock Exchange. On January 29, 2002,
Mr. Wilmers transferred 125 of the Shares he held by means of a gift. No
consideration was paid for such shares.

               Other than the transactions set forth in this Item 5 and routine
allocations to Mr. Wilmers' account under M&T's Retirement Savings Plan, there
were no transactions within the last 60 days by the Reporting Persons with
respect to the Shares.

                                                                             18




CUSIP No. 55261F 10 4            Schedule 13D

                             JOINT FILING AGREEMENT

        By signing this Amendment No. 16, each Reporting Person acknowledges and
agrees that the Schedule 13D, as amended hereby, is filed on such Reporting
Person's behalf and agrees to such joint filing in accordance with Rule 13d-1(k)
of the Securities and Exchange Commission.

                                   SIGNATURES


        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 8, 2002                 /s/ Robert G. Wilmers
               ----------------                 ------------------------
                                                Name:  Robert G. Wilmers


Date:          February 8, 2002                 /s/ Elisabeth Roche Wilmers
               ----------------                 ---------------------------
                                                Name:  Elisabeth Roche Wilmers


Date:          February 8, 2002                 /s/ Jorge G. Pereira
               ----------------                 ---------------------------
                                                Name:  Jorge G. Pereira

                                                WEST FERRY FOUNDATION

Date:          February 8, 2002                 /s/ Robert G. Wilmers
               ----------------                 ---------------------------
                                                By:    Robert G. Wilmers
                                                Title: Trustee

                                                ROCHE FOUNDATION

Date:          February 8, 2002                 /s/ Robert G. Wilmers
               ----------------                 ---------------------------
                                                By:    Robert G. Wilmers
                                                Title: President

                                                WILMERS COMPANY, L.L.C.


Date:          February 8, 2002                 /s/ Robert G. Wilmers
               ----------------                 ---------------------------
                                                By:    Robert G. Wilmers
                                                Title: Sole Member


                                                                             19



CUSIP No. 55261F 10 4            Schedule 13D


                                                REM FOUNDATION

Date:          February 6, 2002                 /s/ Rene Merkt
               ----------------                 ---------------------------
                                                By:    Rene Merkt
                                                Title: Director

                                                HOFIN ANSTALT

Date:          February 8, 2002                 /s/ Jorge G. Pereira
               ----------------                 ---------------------------
                                                By:    Jorge G. Pereira
                                                Title: President

                                                ALUADA INVESTMENTS LTD.

Date:          February 8, 2002                 /s/ Jorge G. Pereira
               ----------------                 ---------------------------
                                                By:    Jorge G. Pereira
                                                Title: Director

                                                BIKALA HOLDINGS LTD

Date:          February 8, 2002                 /s/ Jorge G. Pereira
               ----------------                 ---------------------------
                                                By:    Jorge G. Pereira
                                                Title: Director

                                                ARGALI (BVI) LIMITED

Date:          February 4, 2002                 /s/ Chiquita G.M. Harding
               ----------------                 ---------------------------
                                                By:    Chiquita G.M. Harding
                                                Title: President

                                                ST. SIMON CHARITABLE
                                                FOUNDATION

Date:          February 8, 2002                 /s/ Robert G. Wilmers
               ----------------                 ---------------------------
                                                By:    Robert G. Wilmers
                                                Title: President



                                                                             20

CUSIP No. 55261F 10 4            Schedule 13D



                                                GRANTOR RETAINED ANNUITY
                                                TRUST NO. 5

Date:          February 8, 2002                 /s/ Robert G. Wilmers
               ----------------                 ---------------------------
                                                By:    Robert G. Wilmers
                                                Title: Trustee

Date:          February 5, 2002                 /s/ Ira H. Jolles
               ----------------                 ---------------------------
                                                By:    Ira H. Jolles
                                                Title: Trustee

                                                GRANTOR RETAINED ANNUITY
                                                TRUST NO. 6

Date:          February 8, 2002                 /s/ Robert G. Wilmers
               ----------------                 ---------------------------
                                                By:    Robert G. Wilmers
                                                Title: Trustee

Date:          February 5, 2002                 /s/ Ira H. Jolles
               ----------------                 ---------------------------
                                                By:    Ira H. Jolles
                                                Title: Trustee

                                                                             21