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 |
|---|---|---|---|---|---|
| Philip McCabe | Executive Vice President and Head of SEIs Investment Management Business. | 2025-12-04 | 12,000 | $81.11 | $973.32kSell |
| Philip McCabe | Executive Vice President and Head of SEIs Investment Management Business. | 2025-12-04 | 12,000 | $53.34 | $640.08kBuy |
| Alfred P. West Jr. | Executive Chairman | 2025-12-03 | 30,000 | $53.34 | $1.60MBuy |
| Alfred P. West Jr. | Executive Chairman | 2025-12-03 | 24,770 | $80.87 | $2.00MSell |
| William Doran | Director | 2025-11-17 | 10,000 | $53.34 | $533.40kBuy |
| Michael Peterson | EXECUTIVE VICE PRESIDENT | 2025-11-12 | 25,000 | $54.34 | $1.36MBuy |
| Michael Peterson | EXECUTIVE VICE PRESIDENT | 2025-11-12 | 25,000 | $84.21 | $2.11MSell |
| Carmen Romeo | Director | 2025-11-11 | 5,000 | $53.34 | $266.70kBuy |
| Carmen Romeo | Director | 2025-11-11 | 5,000 | $84.01 | $420.05kSell |
| Philip McCabe | Executive Vice President and Head of SEIs Investment Management Business | 2025-10-24 | 12,000 | $53.34 | $640.08kBuy |
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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. | 49.64% | 60,776,320 | $5.07B | Insider |
| Thomas W. Smith | 9.35% | 11,448,682 | $954.71M | Insider |
| Vanguard Group Inc | 9.20% | 11,260,591 | $939.02M | Institution |
| Blackrock Inc | 7.57% | 9,262,602 | $772.41M | Institution |
| Loomis Sayles Co L P | 7.33% | 8,976,049 | $748.51M | Institution |
| Morgan Stanley | 4.57% | 5,593,742 | $466.46M | Institution |
| State Street Corp | 3.71% | 4,536,582 | $378.31M | Institution |
| Carmen Romeo | 3.60% | 4,402,769 | $367.15M | Insider |
| Bank Of America Corp | 2.55% | 3,121,067 | $260.27M | Institution |
| Geode Capital Management LLC | 2.27% | 2,784,343 | $232.19M | 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.