Historical shareholding details of Citadel Advisors Llc holdings in SEI Investments Co. (SEIC)

Monthly changes of Citadel Advisors Llc shareholding in SEI Investments Co. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Mar 31, 2025	Citadel Investment Advisory, Inc.	3,940	0.00%
Mar 31, 2025	Citadel Advisors Llc	0	0.00%

Dec 31, 2024	Citadel Advisors Llc	745,895	0.60%
Dec 31, 2024	Citadel Investment Advisory, Inc.	3,940	0.00%

Sep 30, 2024	Citadel Advisors Llc	1,216,039	0.96%
Sep 30, 2024	Citadel Investment Advisory, Inc.	3,940	0.00%

Jun 30, 2024	Citadel Advisors Llc	912,849	0.71%
Jun 30, 2024	Citadel Investment Advisory, Inc.	4,000	0.00%

Mar 31, 2024	Citadel Investment Advisory, Inc.	4,000	0.00%

Dec 31, 2023	Citadel Investment Advisory, Inc.	4,300	0.00%

Sep 30, 2023	Citadel Advisors Llc	1,297,743	0.99%
Sep 30, 2023	Citadel Investment Advisory, Inc.	4,375	0.00%

Jun 30, 2023	Citadel Advisors Llc	1,453,151	1.10%
Jun 30, 2023	Citadel Investment Advisory, Inc.	4,375	0.00%

Mar 31, 2023	Citadel Investment Advisory, Inc.	4,375	0.00%
Mar 31, 2023	Citadel Advisors Llc	310,911	0.23%

Dec 31, 2022	Citadel Investment Advisory, Inc.	4,395	0.00%