UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP ( ) Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instructions 1(b). 1. Name and Address of Reporting Person LaMantia, Charles R. c/o State Street Corporation 225 Franklin Street Boston, MA 02110 2. Issuer Name and Ticker or Trading Symbol State Street Corporation STT 3. IRS or Social Security Number of Reporting Person (Voluntary) 4. Statement for Month/Year 4/30/01 5. If Amendment, Date of Original (Month/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) (X) Director ( ) 10% Owner ( ) Officer (give title below) ( ) Other (specify below) 7. Individual or Joint/Group Filing (Check Applicable Line) (X) Form filed by One Reporting Person ( ) Form filed by More than One Reporting Person

___________________________________________________________________________________________________________________________________ Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned | ___________________________________________________________________________________________________________________________________| 1. Title of Security |2. |3. |4.Securities Acquired (A) |5.Amount of |6.Dir |7.Nature of Indirect | | Transaction | or Disposed of (D) | Securities |ect | Beneficial Ownership | | | | | Beneficially |(D)or | | | | | | | A/| | Owned at |Indir | | | Date |Code|V| Amount | D | Price | End of Month |ect(I)| | ___________________________________________________________________________________________________________________________________| Common Stock |14/2618/0|M A(1)| V|~~50,000~~478 |A |14104.~~4688~~54 | | | | |1 | | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| Common Stock |14/2618/0|S A(2)| V|~~10,000~~478 |DA |~~109~~104.7554 | | | | |1 | | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| Common Stock |14/2924/0|S | |~~37,500~~323 |D |~~111~~101.~~9881~~30 |~~153,500~~ |D | | |1 | | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| |Common Stock |4/24/0|S | |1,000 |D |101.25 |1311,~~545~~111(3) |ID |By ~~Trust~~| (|1) | | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| ___________________________________________________________________________________________________________________________________| ___________________________________________________________________________________________________________________________________ Table II -- Derivative Securitites Acquired, Disposed of, or Beneficially Owned | ___________________________________________________________________________________________________________________________________| 1.Title of Derivative |2.Con- |3. |4. |5.Number of De |6.Date Exer|7.Title and Amount |8.Price|9.Number |10.|11.Nature of| Security |version |Transaction | rivative Secu |cisable and| of Underlying |of Deri|of Deriva |Dir|Indirect | |or Exer | | | rities Acqui |Expiration | Securities |vative |tive |ect|Beneficial | |cise | | | red(A) or Dis |Date(Month/| |Secu |Securities |(D)|Ownership | |Price of| | | posed of(D) |Day/Year) | |rity |Benefi |or | | |Deriva- | | | |Date |Expir| | |ficially |Ind| | |tive | | | | A/|Exer-|ation| Title and Number | |Owned at |ire| | |Secu- | | | | | D |cisa-|Date | of Shares | |End of |ct | | |rity |Date |Code|V| Amount | |ble | | | |Month |(I)| | ___________________________________________________________________________________________________________________________________| ~~Employee Stock Option~~ |~~14.4688~~ |~~1/26/|M~~ | |~~50,000~~ |D |~~12/31|12/14|Common~~ ~~Stock~~|~~50,000~~ | |~~15,000~~ |D | | ~~(right to buy)~~ | |01 | | | | |/95- |/04 | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| | | | | | | |12/31| | | | | | | | | | | | | | |/99 | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| Employee Stock Option |31.750 | | | | | |12/31|12/18|Common Stock|69,000 | | | | | (right to buy) | | | | | | |/97- |/06 | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| | | | | | | |12/31| | | | | | | | | | | | | | |/99 | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| Employee Stock Option |56.250 | | | | | |12/18|12/17|Common Stock|25,000 | | | | | (right to buy) | | | | | | |/98- |/07 | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| | | | | | | |12/18| | | | | | | | | | | | | | |/00 | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| Employee Stock Option |67.4375 | | | | | |12/17|12/16|Common Stock|49,600 | | | | | (right to buy) | | | | | | |/99- |/08 | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| | | | | | | |12/17| | | | | | | | | | | | | | |/01 | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| Employee Stock Option |69.2813 | | | | | |12/16|12/15|Common Stock|66,600 | | | | | (right to buy) | | | | | | |/00- |/09 | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| | | | | | | |12/16| | | | | | | | | | | | | | |/02 | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| Employee Stock Option |121.475 | | | | | |12/21|12/20|Common Stock|78,200 | | | | | (right to buy) | | | | | | |/01- |/10 | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| | | | | | | |12/21| | | | | | | | | | | | | | |/03 | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| | | | | | | | | | | | | | | | ___________________________________________________________________________________________________________________________________|

Explanation of Responses: (1) Payment of director's retainer (2) Payment of Director's Deferred Stock Award exempt under Rule 16b-3(d). (3) Includes Directors' Deferred Stock Award dividend equivalents. SIGNATURE OF REPORTING PERSON /s/Charles R. LaMantia DATE 05/03/01

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