1. SEI Investments Co.
  2. SEI Investments Co. Ownership

Historical shareholding details of Acadian Asset Management LLC holdings in SEI Investments Co. (SEIC)

Monthly changes of Acadian Asset Management LLC shareholding in SEI Investments Co. over the previous months

Month Name Total no. shares held Percent Holding
Mar 31, 2025 Acadian Asset Management Llc 66,741 0.05%
Feb 28, 2025 Acadian Asset Management Llc 66,741 0.05%
Jan 31, 2025 Acadian Asset Management Llc 66,741 0.05%
Dec 31, 2024 Acadian Asset Management Llc 106,892 0.08%
Dec 31, 2024 Acadian Asset Management Llc 77,617 0.06%
Nov 30, 2024 Acadian Asset Management Llc 77,617 0.06%
Oct 31, 2024 Acadian Asset Management Llc 77,617 0.06%
Sep 30, 2024 Acadian Asset Management Llc 74,915 0.06%
Sep 30, 2024 Acadian Asset Management Llc 77,617 0.06%
Aug 31, 2024 Acadian Asset Management Llc 77,617 0.06%
Jul 31, 2024 Acadian Asset Management Llc 77,617 0.06%
Jun 30, 2024 Acadian Asset Management Llc 101,382 0.08%
Jun 30, 2024 Acadian Asset Management Llc 130,731 0.08%
May 31, 2024 Acadian Asset Management Llc 130,731 0.10%
Apr 30, 2024 Acadian Asset Management Llc 97,079 0.07%
Mar 31, 2024 Acadian Asset Management Llc 435,054 0.33%
Mar 31, 2024 Acadian Asset Management Llc 97,079 0.07%
Feb 29, 2024 Acadian Asset Management Llc 101,195 0.08%
Jan 31, 2024 Acadian Asset Management Llc 86,890 0.07%
Dec 31, 2023 Acadian Asset Management Llc 451,242 0.34%
Dec 31, 2023 Acadian Asset Management Llc 87,632 0.07%
Nov 30, 2023 Acadian Asset Management Llc 87,632 0.07%
Oct 31, 2023 Acadian Asset Management Llc 26,104 0.02%
Sep 30, 2023 Acadian Asset Management Llc 477,981 0.36%
Sep 30, 2023 Acadian Asset Management Llc 9,738 0.01%
Aug 31, 2023 Acadian Asset Management Llc 9,738 0.01%
Jul 31, 2023 Acadian Asset Management Llc 9,738 0.01%
Jun 30, 2023 Acadian Asset Management Llc 50,182 0.04%
Jun 30, 2023 Acadian Asset Management Llc 0 0.00%
May 31, 2023 Acadian Asset Management Llc 0 0.00%
Mar 31, 2023 Acadian Asset Management Llc 56,093 0.04%

View all ownership details of SEI Investments Co.