SEI INVESTMENTS CO (SEIC) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2025-11-13
09:27 am
Purchase
2025-09-3013GSEI Investments Company
SEIC
Loomis, Sayles & Co., L.P.8,976,122
7.260%
89,355increase
(+1.01%)
Filing
History
2025-08-13
09:46 am
Purchase
2025-06-3013GSEI Investments Company
SEIC
Loomis, Sayles & Co., L.P.8,886,768
7.140%
166,247increase
(+1.91%)
Filing
History
2025-07-16
7:02 pm
Sale
2025-06-3013GSEI Investments Company
SEIC
BlackRock Inc.
BLK
8,492,433
6.800%
-2,670,092decrease
(-23.92%)
Filing
History
2025-05-15
09:36 am
Sale
2025-03-3113GSEI Investments Company
SEIC
Loomis, Sayles & Co., L.P.8,720,521
6.870%
-141,629decrease
(-1.60%)
Filing
History
2025-02-12
09:35 am
Sale
2024-12-3113GSEI Investments Company
SEIC
Loomis, Sayles & Co., L.P.8,862,150
6.870%
-291,833decrease
(-3.19%)
Filing
History
2024-11-14
4:09 pm
Unchanged
2024-09-3013GSEI Investments Company
SEIC
Loomis, Sayles & Co., L.P.9,153,983
7.050%
0
(Unchanged)
Filing
History
2024-11-13
09:36 am
Purchase
2024-09-3013GSEI Investments Company
SEIC
Loomis, Sayles & Co., L.P.9,153,983
7.050%
9,153,983increase
(New Position)
Filing
History
2024-02-13
5:13 pm
Sale
2023-12-2913GSEI Investments Company
SEIC
The Vanguard Group11,888,519
9.030%
-359,308decrease
(-2.93%)
Filing
History
2024-02-13
11:23 am
Sale
2023-12-3113GSEI Investments Company
SEIC
Loomis, Sayles & Co., L.P.9,491,888
7.210%
-1,000,529decrease
(-9.54%)
Filing
History
2024-01-25
1:49 pm
Sale
2023-12-3113GSEI Investments Company
SEIC
BlackRock Inc.
BLK
11,162,525
8.500%
-296,374decrease
(-2.59%)
Filing
History
2023-02-13
09:31 am
Sale
2022-12-3013GSEI Investments Company
SEIC
Loomis, Sayles & Co., L.P.10,492,417
7.780%
-2,669,562decrease
(-20.28%)
Filing
History
2023-02-10
11:16 am
Sale
2022-12-3013GSEI Investments Company
SEIC
MORGAN STANLEY
MS
6,331,586
4.700%
-764,343decrease
(-10.77%)
Filing
History
2023-02-09
11:32 am
Purchase
2022-12-3013GSEI Investments Company
SEIC
The Vanguard Group12,247,827
9.080%
181,972increase
(+1.51%)
Filing
History
2023-02-03
4:27 pm
Purchase
2022-12-3113GSEI Investments Company
SEIC
BlackRock Inc.
BLK
11,458,899
8.500%
73,362increase
(+0.64%)
Filing
History
2022-02-14
11:40 am
Sale
2021-12-3113GSEI Investments Company
SEIC
Loomis, Sayles & Co., L.P.13,161,979
9.440%
-1,697,342decrease
(-11.42%)
Filing
History
2022-02-11
5:11 pm
Purchase
2021-12-3113GSEI Investments Company
SEIC
MORGAN STANLEY
MS
7,095,929
5.100%
7,095,929increase
(New Position)
Filing
History
2022-02-10
08:37 am
Sale
2021-12-3113GSEI Investments Company
SEIC
The Vanguard Group12,065,855
8.650%
-617,561decrease
(-4.87%)
Filing
History
2022-02-07
4:41 pm
Sale
2021-12-3113GSEI Investments Company
SEIC
BlackRock Inc.
BLK
11,385,537
8.200%
-1,194,950decrease
(-9.50%)
Filing
History
2021-02-12
12:09 pm
Sale
2020-12-3113GSEI Investments Company
SEIC
Loomis, Sayles & Co., L.P.14,859,321
10.280%
-1,652,862decrease
(-10.01%)
Filing
History
2021-02-10
11:52 am
Sale
2020-12-3113GSEI Investments Company
SEIC
The Vanguard Group12,683,416
8.770%
-1,292,604decrease
(-9.25%)
Filing
History
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