UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 7)* SEI INVESTMENTS COMPANY (Name of Issuer) COMMON STOCK, $.01 PAR VALUE (Title of Class of Securities) 784117 10 3 (CUSIP Number) DECEMBER 31, 2004 (Date of Event which Requires filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ ] Rule 13d-1(b) [X] 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 required in 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).
CUSIP No. 784117 10 3 - -------------------------------------------------------------------------------- 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only) THOMAS W. SMITH - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZEN OR PLACE OF ORGANIZATION UNITED STATES - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER 1,273,050 NUMBER OF SHARES -------------------------------------------------------- BENEFICIALLY 6 SHARED VOTING POWER OWNED BY EACH REPORTING 5,538,875 PERSON WITH -------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 1,948,372 -------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 5,538,875 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 7,487,247 - -------------------------------------------------------------------------------- 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES NOT APPLICABLE - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 7.3% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON IN - -------------------------------------------------------------------------------- - 2 -
CUSIP No. 784117 10 3 - -------------------------------------------------------------------------------- 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only) SCOTT J. VASSALLUZZO - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZEN OR PLACE OF ORGANIZATION UNITED STATES - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 NUMBER OF SHARES -------------------------------------------------------- BENEFICIALLY 6 SHARED VOTING POWER OWNED BY EACH REPORTING 5,488,875 PERSON WITH -------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 0 -------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 5,488,875 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,488,875 - -------------------------------------------------------------------------------- 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES NOT APPLICABLE - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.4% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON IN - -------------------------------------------------------------------------------- - 4 -
CUSIP No. 784117 10 3 - -------------------------------------------------------------------------------- 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only) DANIEL J. ENGLANDER - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZEN OR PLACE OF ORGANIZATION UNITED STATES - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER 8,000 NUMBER OF SHARES -------------------------------------------------------- BENEFICIALLY 6 SHARED VOTING POWER OWNED BY EACH REPORTING 50,000 PERSON WITH -------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 8,000 -------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 50,000 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 58,000 - -------------------------------------------------------------------------------- 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES NOT APPLICABLE - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.1% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON IN - -------------------------------------------------------------------------------- - 5 -
Explanatory Note: This Amendment No. 7 on Schedule 13G is being filed (i) pursuant to Rule 13d-2(b) of the Securities Exchange Act of 1934, as amended, to reflect changes in the information reported in the previous filing, and (ii) to reflect the removal of Thomas N. Tryforos as a joint filer based on the fact that, as of December 31, 2004, Mr. Tryforos no longer beneficially owns more than five percent of the issuer's common stock. ITEM 1. (a) NAME OF ISSUER: SEI Investments Company (b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 1 Freedom Valley Drive Oaks, PA 19456-1100 ITEM 2. (a) NAME OF PERSON FILING: (i) Thomas W. Smith (ii) Scott J. Vassalluzzo (iii) Daniel J. Englander The filing of this Statement shall not be deemed to be an admission that the filing persons comprise a "group" within the meaning of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended. The Reporting Persons each disclaim beneficial ownership of the shares reported in this Schedule 13G in excess of those shares as to which they have or share voting or investment authority. (b) ADDRESS OF PRINCIPAL BUSINESS OFFICE: The following is the address of the principal business office of each of the filing persons: 323 Railroad Avenue Greenwich, CT 06830 (c) CITIZENSHIP: Each of Messrs. Thomas W. Smith, Scott J. Vassalluzzo and Daniel J. Englander is a United States citizen. (d) TITLE OF CLASS OF SECURITIES: Common Stock, par value $.01 per share. (e) CUSIP NUMBER: 784117 10 3 - 6 -
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULES 13d-1(b) OR 13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A: Not applicable. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(c), CHECK THIS BOX [X] ITEM 4. OWNERSHIP (a) Thomas W. Smith - 7,487,247 shares; Scott J. Vassalluzzo - 5,488,875 shares; Daniel J. Englander - 58,000 (b) Thomas W. Smith - 7.3%; Scott J. Vassalluzzo - 5.4%; Daniel J. Englander - 0.1% (c) Messrs. Thomas W. Smith and Daniel J. Englander have the sole power to vote or to direct the vote of 1,273,050 and 8,000 shares, respectively and have the sole power to dispose or to direct the disposal of 1,948,372 and 8,000 shares, respectively. Mr. Scott J. Vassalluzzo has the sole power to vote or dispose or to direct the vote or disposal of no shares. Messrs. Thomas W. Smith, Scott J. Vassalluzzo and Daniel J. Englander have the shared power to vote or to direct the vote and shared power to dispose or to direct the disposition of 5,538,875, 5,488,875 and 50,000 shares, respectively. ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS As of December 31, 2004, Thomas N. Tryforos ceased to beneficially own more than five percent of the outstanding common stock of the Issuer. ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON Messrs. Smith, Vassalluzzo and Englander in the aggregate beneficially own 6,387,247 shares in their capacities as investment managers for certain managed accounts. The managed accounts have the right to receive dividends from, and the proceeds from the sale of, the managed accounts' shares. Voting and investment authority over investment accounts established for the benefit of certain family members and friends of the Reporting Persons is subject to each beneficiary's right, if so provided, to terminate or otherwise direct the disposition of the Managed Account. ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY Not applicable. - 7 -
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP Not applicable. ITEM 9. NOTICE OF DISSOLUTION OF GROUP Not applicable. ITEM 10.CERTIFICATION By signing below, I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. - 8 -
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 14, 2005 /s/ Thomas W. Smith ----------------------------- Thomas W. Smith /s/ Scott J. Vassalluzzo ----------------------------- Scott J. Vassalluzzo /s/ Daniel J. Englander ----------------------------- Daniel J. Englander - 9 -
JOINT FILING AGREEMENT The undersigned agree that the foregoing Statement on Schedule 13G, dated February 14, 2005, is being filed with the Securities and Exchange Commission on behalf of each of the undersigned pursuant to Rule 13d-1(k) Dated: February 14, 2005 /s/ Thomas W. Smith ---------------------------------- Thomas W. Smith /s/ Scott J. Vassalluzzo ---------------------------------- Scott J. Vassalluzzo /s/ Daniel J. Englander ---------------------------------- Daniel J. Englander - 10 -