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

Insider buying vs selling

Have Sei Investments Co insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Philip McCabeEVP;Head2026-08-055,043$49.63
$250.28kBuy
Philip McCabeEVP;Head2026-08-055,043$105.50
$532.04kSell
Philip McCabeEVP;Head2026-08-0415,000$49.63
$744.45kBuy
Philip McCabeEVP;Head2026-08-049,957$49.63
$494.17kBuy
Philip McCabeEVP;Head2026-08-0424,957$105.04
$2.62MSell
Kathryn McCarthyDirector2026-08-035,000$71.12
$355.60kBuy
Kathryn McCarthyDirector2026-08-0310,000$103.54
$1.04MSell
Kathryn McCarthyDirector2026-08-035,000$71.12
$355.60kBuy
Mark Andrew WarnerCAO;Ctrl2026-07-285,000$56.54
$282.70kBuy
Carl GuarinoDirector2026-07-2810,000$103.20
$1.03MSell

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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.50.54%60,651,959$6.53BInsider
Thomas W. Smith9.54%11,448,682$1.23BInsider
Carmen Romeo3.66%4,389,535$472.31MInsider
William Doran1.47%1,758,882$189.26MInsider
Henry Porter0.79%947,825$101.99MInsider
Richard Lieb0.79%943,682$101.54MInsider
Ken Zimmer0.63%752,597$80.98MInsider
Dennis McGonigle0.50%596,419$64.17MInsider
Kevin Barr0.23%280,249$30.15MInsider
Carl Guarino0.19%226,799$24.40MInsider

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SEIC vs Asset Management Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SEIC0.08%69.78%Net SellingNet Selling
IVZ0.10%59.93%Net SellingNet Selling
CRBG0.11%58.29%Net SellingNet Selling
ARCC0.03%1.05%Net Buying
PS0.01%59.77%Net Buying

Sei Investments Co Stock Ownership FAQ

Who owns Sei Investments Co?

Sei Investments Co (NASDAQ: SEIC) is owned by 0.08% institutional shareholders, 69.78% Sei Investments Co insiders, and 30.15% retail investors. Alfred P. West Jr. is the largest individual Sei Investments Co shareholder, owning 60.65M shares representing 50.54% of the company. Alfred P. West Jr.'s Sei Investments Co shares are currently valued at $6.64B.

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