FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  CIPRIANO JAMES
2. Date of Event Requiring Statement (Month/Day/Year)
02/29/2024
3. Issuer Name and Ticker or Trading Symbol
SEI INVESTMENTS CO [SEIC]
(Last)
(First)
(Middle)
1 FREEDOM VALLEY DRIVE
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive Vice President
5. If Amendment, Date Original Filed (Month/Day/Year)
(Street)

OAKS, PA 19456
6. Individual or Joint/Group Filing (Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 17,297
D (1)
 
Common Stock 10,768
I
By 401(k) Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Option to Purchase Common Stock 12/31/2017 12/09/2024 Common Stock 5,000 $ 40.64 D  
Option to Purchase Common Stock 12/31/2021 12/09/2024 Common Stock 5,000 $ 40.64 D  
Option to Purchase Common Stock 12/31/2017 12/08/2025 Common Stock 6,250 $ 53.34 D  
Option to Purchase Common Stock 12/31/2018 12/08/2025 Common Stock 6,250 $ 53.34 D  
Option to Purchase Common Stock 12/31/2017 12/13/2026 Common Stock 8,750 $ 49.63 D  
Option to Purchase Common Stock 12/31/2019 12/13/2026 Common Stock 8,750 $ 49.63 D  
Option to Purchase Common Stock   (2) 12/12/2027 Common Stock 15,000 $ 71.12 D  
Option to Purchase Common Stock   (3) 12/11/2028 Common Stock 17,000 $ 48.47 D  
Option to Purchase Common Stock   (3) 12/09/2029 Common Stock 20,000 $ 64.43 D  
Option to Purchase Common Stock   (4) 12/08/2030 Common Stock 35,000 $ 56.54 D  
Option to Purchase Common Stock   (5) 12/10/2031 Common Stock 45,000 $ 60.46 D  
Option to Purchase Common Stock   (6) 12/05/2032 Common Stock 13,500 $ 61.81 D  
Option to Purchase Common Stock   (7) 12/15/2033 Common Stock 25,000 $ 62 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
CIPRIANO JAMES
1 FREEDOM VALLEY DRIVE
OAKS, PA 19456
      Executive Vice President  

Signatures

/s/ James Cipriano, by Diane Gallagher, attorney in fact 03/28/2024
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Includes (i) 5,300 restricted stock units subject to vesting, received as employment compensation and (ii) 1,997 shares purchased through the issuer's Employee Stock Purchase Plan.
(2) (a) Vested as to 50% of the shares on December 31, 2021; and (b) will vest as to 100% of the shares on the year in which the Company has adjusted earnings per share or EPS of $5.50 or more.
(3) (a) Vested as to 50% of the shares on December 31, 2021; and (b) will vest as to 100% of the shares on December 31 of the year in which the Company has adjusted earnings per share or EPS of $6.00 or more.
(4) (a) Vested as to 50% of the shares on December 31, 2022; and (b) will vest as to 100% of the shares on the later of December 31 of the year in which the Company has adjusted earnings per share or EPS of $5.35 or more, or December 31, 2024.
(5) Vest (a) as to 50% of the shares on the later of December 31 of the year in which the Company has adjusted earnings per share or EPS of $5.75 or more, or December 31, 2023; and (b) as to 100% of the shares on the later of December 31 of the year in which the Company has adjusted earnings per share or EPS of $7.00 or more, or December 31, 2025.
(6) Vest (a) as to 50% of the shares on the later of December 31 of the year in which the Company has adjusted earnings per share or EPS of $5.00 or more, or December 31, 2024; and (b) as to 100% of the shares on the later of December 31 of the year in which the Company has adjusted earnings per share or EPS of $6.25 or more, or December 31, 2026.
(7) Vest (a) as to 50% of the shares on the later of December 31 of the year in which the Company has adjusted earnings per share or EPS of $5.25 or more, or December 31, 2025; and (b) as to 100% of the shares on December 31 of the year in which the Company has adjusted earnings per share or EPS of $7.10 or more, or December 31, 2027.

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