SEI INVESTMENTS CO

SEI INVESTMENTS COSEICEarnings & Financial Report

Nasdaq · Financials · Security Brokers, Dealers & Flotation Companies

SEI Investments Company, formerly Simulated Environments Inc., is a financial services company headquartered in Oaks, Pennsylvania, United States. SEI provides products and services to institutions, private banks, investment advisors, investment managers, and private clients. Through its subsidiaries and partnerships in which the company has significant interests, SEI manages, advises or administers $1 trillion in hedge funds, private equity, mutual funds and pooled or separately managed asse...

Top Holders

Holder% OwnedSharesChangeAs of
The Vanguard Group9.03%
11.9M
2024-02-13
BlackRock, Inc.8.50%
11.2M
2024-01-25
S.S. OR7.21%
9.5M
2024-02-13

Insider Transactions

Net 90d: $12.32M · buys $0 / sells $12.32M
Range:
Action:
Role:
InsiderRoleAction
2026-03-11WEST ALFRED P JRInsiderSell (open market)
6.1K
$79.11$480.7K
2026-03-11WEST ALFRED P JRInsiderSell (open market)
1.4K
$79.94$109.6K
2026-03-10WEST ALFRED P JRInsiderSell (open market)
178
$78.88$14.0K
2026-03-10WEST ALFRED P JRInsiderSell (open market)
25.4K
$79.97$2.03M
2026-03-10WEST ALFRED P JRInsiderSell (open market)
29.4K
$80.47$2.37M
2026-02-25Warner Mark AndrewInsiderGrant
2.0K
$71.12$142.2K
2026-02-25Warner Mark AndrewInsiderGrant
2.0K
$71.12$142.2K
2026-02-25Warner Mark AndrewInsiderSell (open market)
4.0K
$81.74$327.0K
2026-01-29Ryan HickeCHIEF EXECUTIVE OFFICEROption exercise
12.5K
$71.12$889.0K
2026-01-29Ryan HickeCHIEF EXECUTIVE OFFICEROption exercise
12.5K
$71.12$889.0K
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