SEI INVESTMENTS CO
Total Trades
103
Buys
0
Sells
62
Largest Trade
N/A
Insiders
16
Institutional Funds
486
Inst. Value
$1M+
Activist Filings
16
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| WITHROW WAYNE | EXECUTIVE VICE PRE… | EXERCISE | $100K–$500K | 15K | $22.45 | Aug 10, 2022 |
| MCGONIGLE DENNIS | EXECUTIVE PRESIDENT | SELL | $1M+ | 35K | $55.15 | Aug 1, 2022 |
| MCGONIGLE DENNIS | EXECUTIVE PRESIDENT | EXERCISE | $500K+ | 35K | $22.45 | Aug 1, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 486 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| LOOMIS SAYLES & CO L P | 7.7M | $1M+ | SH |
| STATE STREET CORP | 4.3M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6M | $1M+ | SH |
| LORD, ABBETT & CO. LLC | 1.9M | $1M+ | SH |
| Beutel, Goodman & Co Ltd. | 1.9M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 1.7M | $1M+ | SH |
| CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | 1.4M | $1M+ | SH |
| ROYCE & ASSOCIATES LP | 906K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 664K | $1M+ | SH |
| NORGES BANK | 653K | $1M+ | SH |
| Boston Trust Walden Corp | 637K | $1M+ | SH |
| VANGUARD GROUP INC | 579K | $1M+ | SH |
| AMERICAN CAPITAL MANAGEMENT INC | 575K | $1M+ | SH |
| PFA Pension, Forsikringsaktieselskab | 519K | $1M+ | SH |
| RAYMOND JAMES FINANCIAL INC | 503K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 464K | $1M+ | SH |
| ENVESTNET ASSET MANAGEMENT INC | 428K | $1M+ | SH |
| ProShare Advisors LLC | 405K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 397K | $1M+ | SH |
| VICTORY CAPITAL MANAGEMENT INC | 383K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 12, 2026
7.2%
8.8M shares
SC 13G/A · Nov 13, 2025
7.3%
9.0M shares
SC 13G/A · Aug 13, 2025
7.1%
8.9M shares
SC 13G/A · Jul 16, 2025
6.8%
8.5M shares
SC 13G/A · May 15, 2025
6.9%
8.7M shares
SC 13G/A · Feb 12, 2025
6.9%
8.9M shares
SC 13G/A · Nov 14, 2024
7.0%
9.2M shares
SC 13G/A · Nov 13, 2024
7.0%
9.2M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
9.0%
11.9M shares
Loomis Sayles & Co., L.P. #04-3200030
SC 13G/A · Feb 13, 2024
7.2%
9.5M shares
SC 13G/A · Jan 25, 2024
8.5%
11.2M shares
Loomis Sayles & Co., L.P. #04-3200030
SC 13G/A · Feb 13, 2023
7.8%
10.5M shares
Morgan Stanley I.R.S. # 36-3145972
SC 13G/A · Feb 10, 2023
4.7%
6.3M shares
SC 13G/A · Feb 3, 2023
8.5%
11.5M shares
Loomis Sayles & Co., L.P. #04-3200030
SC 13G/A · Feb 14, 2022
9.4%
13.2M shares
Morgan Stanley I.R.S. # 36-3145972
SC 13G · Feb 11, 2022
5.1%
7.1M shares