UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

________________________________________

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(D)

OF THE SECURITIES EXCHANGE ACT OF 1934

October 20, 2025

Date of report (Date of earliest event reported)

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SEI INVESTMENTS COMPANY

(Exact name of registrant as specified in its charter)

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Pennsylvania

0-10200

23-1707341

(State or Other Jurisdiction

of Incorporation)

(Commission
File Number)

(I.R.S. Employer
Identification No.)

1 Freedom Valley Drive

Oaks, Pennsylvania 19456

(Address of Principal Executive Offices and Zip Code)

(610) 676-1000

(Registrant's Telephone Number, Including Area Code)

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)


☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)


☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))


☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol

Name of each exchange on which registered

Common Stock, par value $0.01 per share

SEIC

The NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01. Other Events.

On October 20, 2025, the Board of Directors of SEI Investments Company approved an increase in its stock repurchase program by an additional $650 million, increasing the available authorization under the program to approximately $773 million.

A copy of the press release is furnished as Exhibit 99.1 and incorporated in this Item 8.01 by reference.

Item 9.01. Financial Statements and Exhibits.


Exhibit No.						Description

99.1						Press Release dated October 24, 2025 of SEI Investments Company

104						Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


		SEI INVESTMENTS COMPANY

Date:	October 24, 2025	By:	/s/ Sean J. Denham
			Sean J. Denham Chief Financial and Chief Operating Officer

SEI INVESTMENTS CO 8-K