Sei Investments CO SEIC
We take great care to ensure that the data presented and summarized in this overview for SEI INVESTMENTS CO is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding SEIC
View all-
Black Rock Inc. New York, NY11.5MShares$938 Million0.02% of portfolio
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Vanguard Group Inc Valley Forge, PA11.3MShares$919 Million0.01% of portfolio
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Loomis Sayles & CO L P8.98MShares$732 Million0.94% of portfolio
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Atlanta Capital Management CO L L C Atlanta, GA5.95MShares$485 Million1.3% of portfolio
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Morgan Stanley New York, NY5.59MShares$456 Million0.03% of portfolio
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State Street Corp Boston, MA4.54MShares$370 Million0.01% of portfolio
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Bank Of America Corp Charlotte, NC3.12MShares$255 Million0.02% of portfolio
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Geode Capital Management, LLC Boston, MA2.78MShares$227 Million0.02% of portfolio
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Beutel, Goodman & CO Ltd. Toronto, A62.02MShares$165 Million1.03% of portfolio
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Dimensional Fund Advisors LP Austin, TX1.86MShares$152 Million0.04% of portfolio
Latest Institutional Activity in SEIC
Top Purchases
Top Sells
About SEIC
SEI Investments Company is a publicly owned asset management holding company. Through its subsidiaries, the firm provides wealth management, retirement and investment solutions, asset management, asset administration, investment processing outsourcing solutions, financial services, and investment advisory services to its clients. It provides its services to private banks, independent financial advisers, institutional investors, investment managers, investment advisors, wealth management organizations, corporations, retirement scheme sponsors, not-for-profit organizations, hedge fund managers, registered investment advisers, independent broker-dealers, financial planners, life insurance agents, defined-benefit schemes, defined-contribution schemes, endowments, foundations, and board-designated fund, through its subsidiaries. Through its subsidiaries, the firm manages separate client-focused portfolios. It also launches and manages equity, fixed income, and balanced mutual funds, through its subsidiaries. Through its subsidiaries, the firm invests in public equity and fixed income markets. It employs fundamental and quantitative analysis with a focus on top-down and bottom-up analysis to make its investments, through its subsidiaries. SEI Investments Company was founded in 1968 and is based in Oaks, Pennsylvania.
Insider Transactions at SEIC
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Jan 01
2026
|
Alfred P West Jr |
SELL
Payment of exercise price or tax liability
|
Direct |
3,482
-0.05%
|
$285,524
$82.02 P/Share
|
|
Dec 30
2025
|
Carmen Romeo Director |
SELL
Bona fide gift
|
Direct |
15,500
-0.98%
|
-
|
|
Dec 22
2025
|
William Doran Director |
SELL
Open market or private sale
|
Direct |
7,000
-1.11%
|
$581,000
$83.85 P/Share
|
|
Dec 12
2025
|
Thomas C. Naratil Director |
BUY
Grant, award, or other acquisition
|
Direct |
2,266
+34.29%
|
-
|
|
Dec 12
2025
|
Carmen Romeo Director |
BUY
Grant, award, or other acquisition
|
Direct |
2,266
+0.14%
|
-
|
|
Dec 12
2025
|
Kathryn Mccarthy Director |
BUY
Grant, award, or other acquisition
|
Direct |
2,266
+2.83%
|
-
|
|
Dec 12
2025
|
Carl Guarino Director |
BUY
Grant, award, or other acquisition
|
Direct |
2,266
+11.01%
|
-
|
|
Dec 12
2025
|
Karin A. Risi Director |
BUY
Grant, award, or other acquisition
|
Direct |
2,266
+34.29%
|
-
|
|
Dec 12
2025
|
Sanjay Sharma Officer |
BUY
Grant, award, or other acquisition
|
Direct |
15,934
+18.27%
|
-
|
|
Dec 12
2025
|
Ryan Hicke CHIEF EXECUTIVE OFFICER |
BUY
Grant, award, or other acquisition
|
Direct |
25,904
+11.61%
|
-
|
|
Dec 12
2025
|
Philip Mc Cabe Officer |
BUY
Grant, award, or other acquisition
|
Direct |
8,434
+10.62%
|
-
|
|
Dec 12
2025
|
Michael Lane Executive Vice President |
BUY
Grant, award, or other acquisition
|
Direct |
8,916
+17.52%
|
-
|
|
Dec 12
2025
|
Sean Denham Executive Vice President, CFO |
BUY
Grant, award, or other acquisition
|
Direct |
13,254
+16.84%
|
-
|
|
Dec 12
2025
|
Michael Peterson EXECUTIVE VICE PRESIDENT |
BUY
Grant, award, or other acquisition
|
Direct |
7,711
+26.66%
|
-
|
|
Dec 12
2025
|
William Doran Director |
BUY
Grant, award, or other acquisition
|
Direct |
2,266
+0.36%
|
-
|
|
Dec 12
2025
|
Jonathan Brassington Director |
BUY
Grant, award, or other acquisition
|
Direct |
2,266
+26.74%
|
-
|
|
Dec 05
2025
|
Michael Peterson EXECUTIVE VICE PRESIDENT |
SELL
Payment of exercise price or tax liability
|
Direct |
1,063
-5.01%
|
$86,103
$81.25 P/Share
|
|
Dec 05
2025
|
Kathryn Mccarthy Director |
SELL
Payment of exercise price or tax liability
|
Direct |
24
-0.03%
|
$1,944
$81.25 P/Share
|
|
Dec 05
2025
|
Philip Mc Cabe Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,094
-1.54%
|
$88,614
$81.25 P/Share
|
|
Dec 05
2025
|
Mark Andrew Warner |
SELL
Payment of exercise price or tax liability
|
Direct |
379
-29.15%
|
$30,699
$81.25 P/Share
|
Last 12 Months Summary
| Grant, award, or other acquisition | 100K shares |
|---|---|
| Exercise of conversion of derivative security | 266K shares |
| Open market or private sale | 538K shares |
|---|---|
| Payment of exercise price or tax liability | 23.2K shares |
| Bona fide gift | 15.5K shares |