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NASDAQ: ALEC
Alector Inc Stock Ownership - Who owns Alector?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Alector Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Grace WongsaradPrincipal Accounting Officer2025-12-054,753$1.21
$5.75kSell
Neil Lindsay BerkleyChief Bus Ofcr Interim CFO2025-12-0337,261$1.12
$41.73kSell
Arnon RosenthalChief Executive Officer2025-12-03104,347$1.12
$116.87kSell
Grace WongsaradPrincipal Accounting Officer2025-12-038,056$1.12
$9.01kSell
Sara KenkaremitraPresident and Head of RD2025-12-0341,687$1.12
$46.69kSell
Arnon RosenthalChief Executive Officer2025-09-0251,562$2.50
$128.75kSell
Grace WongsaradPrincipal Accounting Officer2025-09-025,910$2.50
$14.76kSell
Sara KenkaremitraPresident and Head of RD2025-09-0223,638$2.50
$59.02kSell
Neil Lindsay BerkleyPrincipal Financial Officer2025-09-0215,842$2.50
$39.56kSell
Paula HammondDirector2025-08-2614,000$2.36
$33.00kSell

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Net Insider Buy/Sell (L12M) Ownership

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ALEC Shareholders

What type of owners hold Alector Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Polaris Venture Management Co VI LLC20.81%22,712,011$42.93MInsider
Fmr LLC13.91%15,181,849$28.69MInstitution
Terrance McGuire11.87%12,952,589$24.48MInsider
Blackrock Inc6.59%7,197,973$13.60MInstitution
Rtw Investments LP6.40%6,990,806$13.21MInstitution
Vanguard Group Inc5.53%6,034,659$11.41MInstitution
Merck Co Inc3.25%3,545,719$6.70MInstitution
Arnon Rosenthal2.81%3,072,540$5.81MInsider
Tillman U. Gerngross2.42%2,644,319$5.00MInsider
Acadian Asset Management LLC2.17%2,372,985$4.48MInstitution

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ALEC vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALEC61.21%38.79%Net SellingNet Selling
NVCT14.42%43.61%Net BuyingNet Buying
SABS35.08%64.92%Net Buying
ARCT87.51%12.49%Net Buying
FENC3.88%96.12%Net SellingNet Selling
View Top Biotech Stocks

Alector Stock Ownership FAQ

Who owns Alector?

Alector (NASDAQ: ALEC) is owned by 68.49% institutional shareholders, 43.41% Alector insiders, and 0.00% retail investors. Polaris Venture Management Co VI LLC is the largest individual Alector shareholder, owning 22.71M shares representing 20.81% of the company. Polaris Venture Management Co VI LLC's Alector shares are currently valued at $42.93M.

If you're new to stock investing, here's how to buy Alector stock.
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