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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
Ryan HickeCHIEF EXECUTIVE OFFICER2026-03-314,349$77.21
$335.79kSell
Sean DenhamExecutive VP CFO COO2026-03-187,673$78.77
$604.40kSell
Alfred P. West Jr.Insider2026-03-111,371$79.94
$109.60kSell
Alfred P. West Jr.Insider2026-03-116,076$79.11
$480.67kSell
Alfred P. West Jr.Insider2026-03-1025,391$79.97
$2.03MSell
Alfred P. West Jr.Insider2026-03-10178$78.88
$14.04kSell
Alfred P. West Jr.Insider2026-03-1029,431$80.47
$2.37MSell
Mark Andrew WarnerInsider2026-02-254,000$81.74
$326.96kSell
Mark Andrew WarnerInsider2026-02-252,000$71.12
$142.24kBuy
Mark Andrew WarnerInsider2026-02-252,000$71.12
$142.24kBuy

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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.49.66%60,709,291$4.68BInsider
Thomas W. Smith9.37%11,448,682$881.66MInsider
Vanguard Group Inc9.06%11,071,365$852.61MInstitution
Blackrock Inc7.88%9,637,840$742.21MInstitution
Loomis Sayles Co L P7.15%8,744,634$673.42MInstitution
Morgan Stanley4.15%5,075,178$390.84MInstitution
Carmen Romeo3.59%4,389,535$338.04MInsider
State Street Corp3.50%4,283,065$329.84MInstitution
Bank Of America Corp2.39%2,922,323$225.05MInstitution
Geode Capital Management LLC2.37%2,894,317$222.89MInstitution

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SEIC vs Asset Management Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SEIC51.51%48.49%Net SellingNet Selling
IVZ60.85%39.15%Net SellingNet Selling
JHG46.91%53.09%Net BuyingNet Buying
CRBG70.39%29.61%Net SellingNet Selling
AMG93.18%6.82%Net BuyingNet 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 72.81% institutional shareholders, 68.55% Sei Investments Co insiders, and 0.00% retail investors. Alfred P. West Jr. is the largest individual Sei Investments Co shareholder, owning 60.71M shares representing 49.66% of the company. Alfred P. West Jr.'s Sei Investments Co shares are currently valued at $4.68B.

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