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NASDAQ: SEIC
Sei Investments Co Stock Ownership - Who owns Sei Investments Co?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Sei Investments Co insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Alfred P. West Jr.Insider2026-09-305,483$103.16
$565.64kSell
Alfred P. West Jr.Insider2026-09-2928,394$103.40
$2.94MSell
Michael LaneEVP2026-09-222,400$102.78
$246.67kSell
Ryan HickeCEO2026-09-0320,000$64.43
$1.29MBuy
Ryan HickeCEO2026-09-0337,500$110.71
$4.15MSell
Ryan HickeCEO2026-09-0317,500$48.47
$848.23kBuy
Carmen RomeoDirector2026-09-015,000$49.63
$248.15kBuy
Carmen RomeoDirector2026-09-015,000$109.70
$548.50kSell
Michael PetersonEVP2026-08-2837,500$111.51
$4.18MSell
Michael PetersonEVP2026-08-2837,500$56.54
$2.12MBuy

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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
NameHoldSharesValueType
Alfred P. West Jr.50.51%60,618,082$6.30BInsider
Thomas W. Smith9.54%11,448,682$1.19BInsider
Carmen Romeo3.66%4,389,535$455.94MInsider
William Doran1.47%1,758,882$182.70MInsider
Henry Porter0.79%947,825$98.45MInsider
Richard Lieb0.79%943,682$98.02MInsider
Ken Zimmer0.63%752,597$78.17MInsider
Dennis McGonigle0.50%596,419$61.95MInsider
Kevin Barr0.23%280,249$29.11MInsider
Ryan Hicke0.19%233,473$24.25MInsider

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SEIC vs Asset Management Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SEIC0.08%69.76%Net SellingNet Selling
IVZ0.10%59.90%Net SellingNet Selling
ARCC0.03%1.05%Net Buying
OWL0.04%99.96%Net Buying
CG0.06%33.92%Net SellingNet Selling
View Top Asset Management Stocks

Sei Investments Co Stock Ownership FAQ

Who owns Sei Investments Co?

Sei Investments Co (NASDAQ: SEIC) is owned by 0.08% institutional shareholders, 69.76% Sei Investments Co insiders, and 30.17% retail investors. Alfred P. West Jr. is the largest individual Sei Investments Co shareholder, owning 60.62M shares representing 50.51% of the company. Alfred P. West Jr.'s Sei Investments Co shares are currently valued at $6.21B.

If you're new to stock investing, here's how to buy Sei Investments Co stock.
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