Loomis Sayles & Co L P - Jun 30, 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: 124M shares
Disclosed Ownership: 8.89M shares
Ownership: 7.14%
Form type: SCHEDULE 13G/A
Date filed: 8/13/2025, 09:46 AM
Date of event: Jun 30, 2025
Previous filing: May 15, 2025
Next filing: Nov 13, 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.	7.14%	8.89M	7.23M	0	Mari Shimokawa	Deputy Chief Compliance Officer