|
⚲
|
| Keyboard |
| SEI Investments Co | |
|---|---|
| Ticker | SEIC |
| CIK # | 0000350894 |
| CUSIP | 784117103 |
| Sector | Finance - Security Brokers, Dealers & Flotation Companies |
| Address | 1 Freedom Valley Drive, Oaks, PA 19456-1100 |
| Source | [EDGAR] |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0000350894] | 10-K | |
| [0000350894] | 10-Q | |
| [0000350894] | 13F-HR | |
| [0000350894] | 3 | |
| [0000350894] | 4 | |
| [0000350894] | 5 | |
| [0000350894] | 8-K | |
| [0000350894] | SC 13G |
| Form 13D/13G Filer | Form 13D/13G Subject | Filed | % Owned |
|---|---|---|---|
| Vanguard Portfolio Management LLC | SEI Investments Co | [2026-04-29] | 0.0 |
| Morgan Stanley | SEI Investments Co | [2022-02-11] | 5.1 |
| Loomis Sayles & Co L P | SEI Investments Co | [2015-02-17] | 5.37 |
| Vanguard Group Inc | SEI Investments Co | [2014-02-11] | 5.63 |
| BlackRock Inc | SEI Investments Co | [2014-01-30] | 6.4 |
| Columbia Wanger Asset Management LLC | SEI Investments Co | [2013-02-14] | 5.2 |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Denham Sean
Common Stock
|
2026-03-18 | Tax withheld | 7,673 | $78.77 | 604,402 |
|
West Alfred P Jr
Common Stock
|
2026-03-11 | Sell | 1,371 | $79.94 | 109,598 |
|
West Alfred P Jr
Common Stock
|
2026-03-11 | Sell | 6,076 | $79.11 | 480,672 |
|
West Alfred P Jr
Common Stock
|
2026-03-10 | Sell | 25,391 | $79.97 | 2,030,518 |
|
West Alfred P Jr
Common Stock
|
2026-03-10 | Sell | 178 | $78.88 | 14,041 |
|
West Alfred P Jr
Common Stock
|
2026-03-10 | Sell | 29,431 | $80.47 | 2,368,313 |
|
Warner Mark Andrew
STOCK OPTION RIGHT TO PURCHASE · derivative
|
2026-02-25 | Option exercise | 2,000 | ||
|
Warner Mark Andrew
Common Stock
|
2026-02-25 | Grant | 2,000 | $71.12 | 142,240 |
|
Warner Mark Andrew
Common Stock
|
2026-02-25 | Sell | 4,000 | $81.74 | 326,960 |
|
Warner Mark Andrew
STOCK OPTION RIGHT TO PURCHASE · derivative
|
2026-02-25 | Option exercise | 2,000 | ||
|
Warner Mark Andrew
Common Stock
|
2026-02-25 | Grant | 2,000 | $71.12 | 142,240 |
|
Hicke Ryan
Common Stock
|
2026-01-29 | Option exercise | 17,500 | $48.47 | 848,225 |
|
Hicke Ryan
Common Stock
|
2026-01-29 | Option exercise | 20,000 | $64.43 | 1,288,600 |
|
Hicke Ryan
Common Stock
|
2026-01-29 | Sell | 13,054 | $88.06 | 1,149,535 |
|
Hicke Ryan
Common Stock
|
2026-01-29 | Option exercise | 12,500 | $71.12 | 889,000 |
|
Hicke Ryan
Option to Purchase Common Stock · derivative
|
2026-01-29 | Option exercise | 12,500 | ||
|
Hicke Ryan
Option to Purchase Common Stock · derivative
|
2026-01-29 | Option exercise | 17,500 | ||
|
Hicke Ryan
Option to Purchase Common Stock · derivative
|
2026-01-29 | Option exercise | 12,500 | ||
|
Hicke Ryan
Common Stock
|
2026-01-29 | Option exercise | 12,500 | $71.12 | 889,000 |
|
Hicke Ryan
Option to Purchase Common Stock · derivative
|
2026-01-29 | Option exercise | 20,000 | ||
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 567 | 84,496,685 |
| 2025-12-31 | 562 | 83,747,403 |
| 2025-09-30 | 551 | 83,443,764 |
| 2025-06-30 | 565 | 85,247,846 |
| 2025-03-31 | 549 | 79,711,965 |
| 2024-12-31 | 541 | 76,888,184 |
| 2024-09-30 | 502 | 76,844,189 |
| 2024-06-30 | 492 | 76,917,832 |
| 2024-03-31 | 476 | 88,482,564 |
| 2023-12-31 | 492 | 80,470,299 |
| 2023-09-30 | 461 | 75,481,483 |
| 2023-06-30 | 458 | 73,738,382 |