NASDAQ: SEICSei Investments Co Stock Ownership - Who owns Sei Investments Co?
Insider buying vs selling
Have Sei Investments Co insiders been buying or selling?
Buy
Sell
| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Alfred P. West Jr. | Insider | 2026-06-29 | 5,652 | $87.18 | $492.74kSell |
| Alfred P. West Jr. | Insider | 2026-06-29 | 1,680 | $88.09 | $147.99kSell |
| Alfred P. West Jr. | Insider | 2026-06-26 | 46,162 | $87.21 | $4.03MSell |
| Alfred P. West Jr. | Insider | 2026-06-26 | 3,838 | $87.67 | $336.48kSell |
| William Doran | Director | 2026-06-09 | 5,000 | $90.50 | $452.50kSell |
| Kathryn McCarthy | Director | 2026-05-04 | 5,000 | $49.63 | $248.15kBuy |
| Kathryn McCarthy | Director | 2026-05-04 | 5,000 | $49.63 | $248.15kBuy |
| Kathryn McCarthy | Director | 2026-05-04 | 10,000 | $91.07 | $910.70kSell |
| Mark Andrew Warner | In Remarks | 2026-04-28 | 4,000 | $91.16 | $364.64kSell |
| Mark Andrew Warner | In Remarks | 2026-04-28 | 4,000 | $48.47 | $193.88kBuy |
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Net Insider Buy/Sell (L12M) Ownership
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SEIC Shareholders
What type of owners hold Sei Investments Co stock?
Institutional
Insider
Retail
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Alfred P. West Jr. | 50.43% | 60,651,959 | $5.76B | Insider |
| Thomas W. Smith | 9.52% | 11,448,682 | $1.09B | Insider |
| Blackrock Inc | 8.41% | 10,110,337 | $960.38M | Institution |
| Loomis Sayles Co L P | 7.17% | 8,628,879 | $819.66M | Institution |
| Vanguard Portfolio Management LLC | 5.09% | 6,125,643 | $581.87M | Institution |
| Morgan Stanley | 3.98% | 4,792,279 | $455.22M | Institution |
| Vanguard Capital Management LLC | 3.94% | 4,741,716 | $450.42M | Institution |
| Carmen Romeo | 3.65% | 4,389,535 | $416.96M | Insider |
| State Street Corp | 3.48% | 4,185,178 | $397.55M | Institution |
| Bank Of America Corp | 2.43% | 2,920,506 | $277.42M | Institution |
SEIC vs Asset Management Stocks
Sei Investments Co Stock Ownership FAQ
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Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.
Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.