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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
Kristine YaffeDirector2025-06-201,000$1.44
$1.44kSell
Sara KenkaremitraPresident and Head of RD2025-06-0223,890$1.34
$31.96kSell
Marc GrassoChief Financial Officer2025-06-0216,488$1.34
$22.06kSell
Arnon RosenthalChief Executive Officer2025-06-0252,087$1.34
$69.69kSell
Gary RomanoChief Medical Officer2025-03-0316,306$1.47
$23.92kSell
Arnon RosenthalChief Executive Officer2025-03-0340,330$1.47
$59.16kSell
Sara KenkaremitraPresident and Head of RD2025-03-0329,073$1.47
$42.65kSell
Marc GrassoChief Financial Officer2025-03-0318,091$1.47
$26.54kSell
Marc GrassoChief Financial Officer2024-12-0216,489$2.52
$41.54kSell
Arnon RosenthalChief Executive Officer2024-12-0252,172$2.52
$131.42kSell

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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 LLC22.71%22,712,011$36.57MInsider
Fmr LLC14.39%14,390,239$23.17MInstitution
Terrance McGuire12.95%12,952,589$20.85MInsider
Ra Capital Management LP9.70%9,695,228$15.61MInstitution
Blackrock Inc8.28%8,279,702$13.33MInstitution
Vanguard Group Inc6.05%6,053,041$9.75MInstitution
Merck Co Inc3.55%3,545,719$5.71MInstitution
Arnon Rosenthal3.20%3,204,282$5.16MInsider
Tillman U. Gerngross2.64%2,644,319$4.26MInsider
Geode Capital Management LLC1.96%1,962,098$3.16MInstitution

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ALEC vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALEC60.42%39.58%Net SellingNet Selling
BDTX66.90%33.10%Net SellingNet Buying
ELTX9.95%70.40%Net Buying
AGEN6.07%93.93%Net BuyingNet Buying
CYBN36.24%0.00%
View Top Biotech Stocks

Alector Stock Ownership FAQ

Who owns Alector?

Alector (NASDAQ: ALEC) is owned by 72.62% institutional shareholders, 47.57% Alector insiders, and 0.00% retail investors. Polaris Venture Management Co VI LLC is the largest individual Alector shareholder, owning 22.71M shares representing 22.71% of the company. Polaris Venture Management Co VI LLC's Alector shares are currently valued at $36.34M.

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