LOOMIS SAYLES & CO L P - 30 Sep 2025 SCHEDULE 13G/A Report for SEI Investments Co Common Stock (SEIC)

Filing Manager: LOOMIS SAYLES & CO L P
Reporting Manager: Loomis, Sayles & Co., L.P.
Security: SEI Investments Co Common Stock
Symbol: SEIC
Shares outstanding: 123,638,046 shares
Disclosed Ownership: 8,976,122 shares
Ownership: 7.3%
Form type: SCHEDULE 13G/A
Filing time: 13 Nov 2025, 09:27:43 UTC
Date of event: 30 Sep 2025
Previous filing: 13 Aug 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Loomis, Sayles & Co., L.P.	7.3%	8,976,122	7,443,019	0	Mari Shimokawa	Deputy Chief Compliance Officer