SEI INVESTMENTS CO (SEIC) - Insider Holders & Insider Ownership

List of insiders holdings for SEI INVESTMENTS CO:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not 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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#Insider Holder NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
1WEST ALFRED P JR
Chairman Emeritus		2026-03-12 10:13:326,875,783
0		6,875,783Form 4
2SMITH THOMAS W
Director		2010-02-16 11:51:392,946,356
0		2,946,356Form 13G
3ROMEO CARMEN
Director		2025-12-30 15:48:441,560,293
0		1,560,293Form 4
4ZIMMER KEN
Senior Vice President		2005-02-14 16:17:37687,563
65,034		752,597Form 5
5DORAN WILLIAM
Director		2025-12-23 11:15:33623,802
0		623,802Form 4
6MCGONIGLE DENNIS
EVP, CFO		2023-09-01 11:19:10594,163
0		594,163Form 4
7CIPRIANO JAMES
Executive Vice President		2024-03-28 10:11:36227,797
10,768		238,565Form 3
8ROBINS KEVIN P
Senior Vice President		2005-02-14 15:41:04200,592
8,131		208,723Form 5
9Barr Kevin
Executive Vice President		2022-12-12 17:10:16204,741
0		204,741Form 4
10VASSALLUZZO SCOTT J
PRESCOTT INVESTORS PROFIT SHARING TRUST
Member of Section 13(d) Group
10% Owner		2005-12-16 14:13:030
199,100		199,100Form 4
11CRUDUP ROBERT
EXECUTIVE VICE PRESIDENT		2018-03-08 15:55:29177,500
0		177,500Form 4
12LIEB RICHARD
Director		2015-12-28 13:32:57127,128
0		127,128Form 4
13LOUGHLIN EDWARD
EXECUTIVE VICE PRESIDENT		2015-04-30 21:40:20106,000
0		106,000Form 4
14LANE MICHAEL
Executive Vice President		2025-12-16 16:13:3691,631
204.86		91,836Form 4
15Sharma Sanjay
See Remarks*		2025-12-16 16:13:1886,829
2,369		89,198Form 4
16WITHROW WAYNE
EXECUTIVE VICE PRESIDENT		2024-02-09 10:30:3177,899
0		77,899Form 4
17MCCARTHY KATHRYN
Director		2025-12-29 11:06:1777,883
0		77,883Form 4
18McCabe Philip
See Remarks		2025-12-29 11:01:4669,884
2,442		72,326Form 4
19Dasher Karl
Executive Vice President		2008-04-04 17:44:2567,140
0		67,140Form 4
20Denham Sean
Executive VP, CFO, COO		2026-03-19 10:06:3257,758
606.62		58,365Form 4
21Ujobai Joseph P
EXECUTIVE VICE PRESIDENT		2018-09-13 10:54:4312,540
30,213		42,753Form 4
22Klauder N Jeffrey
EXECUTIVE VICE PRESIDENT		2018-05-14 11:08:4942,194
0		42,194Form 4
23KLAUDER PAUL
EXECUTIVE VICE PRESIDENT		2024-03-28 10:42:4520,752
14,078		34,830Form 4
24NAGLE MARK
Senior Vice President		2004-12-16 16:36:4625,000
0		25,000Form 4
25Meyer Stephen
EXECUTIVE VICE PRESIDENT		2021-12-14 13:51:3525,000
0		25,000Form 4
26Peterson Michael
EXECUTIVE VICE PRESIDENT		2025-12-29 11:05:2220,148
270.79		20,419Form 4
27BLUMENSTEIN SARAH
Director		2023-02-22 17:47:4418,947
0		18,947Form 4
28GUARINO CARL
Director		2025-12-16 16:10:2318,308
0		18,308Form 4
29Hicke Ryan
CHIEF EXECUTIVE OFFICER		2026-04-01 14:37:200
15,168		15,168Form 4/A
30HEILIG KATHY
Treasurer		2022-11-21 21:05:4914,291
0		14,291Form 4
31PORTER HENRY
Director		2009-12-17 12:05:0410,000
0		10,000Form 4
32SAMUELS MARK
Senior Vice President		2005-02-14 15:45:400
9,813		9,813Form 5
33Brassington Jonathan
Director		2025-12-16 16:09:546,207
0		6,207Form 4
34Risi Karin A.
Director		2025-12-16 16:10:294,342
0		4,342Form 4
35Naratil Thomas C.
Director		2025-12-16 16:10:004,342
0		4,342Form 4
36MILLER STEPHANIE D.
Director		2024-12-16 10:36:303,941
0		3,941Form 4
37Tschirgi Judith
Senior Vice President		2005-02-14 15:49:142,469
0		2,469Form 5
38Warner Mark Andrew
See Remarks		2026-02-26 11:59:35921
0		921Form 4
39Ross Howard D
Director		2008-08-19 11:24:100
0		0Form 4