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NASDAQ: ALNY
Alnylam Pharmaceuticals Inc Stock Ownership - Who owns Alnylam Pharmaceuticals?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Alnylam Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Kevin Joseph FitzgeraldCSO EVP Head of Research2025-11-17262$457.39
$119.84kSell
Kevin Joseph FitzgeraldCSO EVP Head of Research2025-11-17295$463.08
$136.61kSell
Kevin Joseph FitzgeraldCSO EVP Head of Research2025-11-17323$461.96
$149.21kSell
Kevin Joseph FitzgeraldCSO EVP Head of Research2025-11-17707$460.84
$325.81kSell
Kevin Joseph FitzgeraldCSO EVP Head of Research2025-11-17622$459.89
$286.05kSell
Kevin Joseph FitzgeraldCSO EVP Head of Research2025-11-17794$458.41
$363.98kSell
Kevin Joseph FitzgeraldCSO EVP Head of Research2025-11-178,161$119.13
$972.22kBuy
Kevin Joseph FitzgeraldCSO EVP Head of Research2025-11-178,168$449.00
$3.67MSell
Kevin Joseph FitzgeraldCSO EVP Head of Research2025-11-1796$450.09
$43.21kSell
Kevin Joseph FitzgeraldCSO EVP Head of Research2025-11-17129$451.51
$58.24kSell

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Net Insider Buy/Sell (L12M) Ownership

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ALNY Shareholders

What type of owners hold Alnylam Pharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Fmr LLC12.69%16,767,625$7.46BInstitution
Capital World Investors12.44%16,434,253$7.32BInstitution
Ag Novartis11.20%14,800,620$6.59BInsider
Vanguard Group Inc10.27%13,565,452$6.04BInstitution
Sanofi7.99%10,554,134$4.70BInsider
Blackrock Inc7.50%9,903,601$4.41BInstitution
Capital Research Global Investors5.47%7,222,840$3.22BInstitution
Jpmorgan Chase Co3.44%4,543,770$2.02BInstitution
State Street Corp2.33%3,081,475$1.37BInstitution
Baillie Gifford Co2.11%2,789,356$1.24BInstitution

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ALNY vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALNY82.35%17.65%Net SellingNet Selling
ARGX50.00%0.00%
INSM84.89%15.11%Net SellingNet Selling
ONC2.29%32.11%Net SellingNet Selling
REGN68.34%31.66%Net SellingNet Buying
View Top Biotech Stocks

Alnylam Pharmaceuticals Stock Ownership FAQ

Who owns Alnylam Pharmaceuticals?

Alnylam Pharmaceuticals (NASDAQ: ALNY) is owned by 97.97% institutional shareholders, 21.00% Alnylam Pharmaceuticals insiders, and 0.00% retail investors. Ag Novartis is the largest individual Alnylam Pharmaceuticals shareholder, owning 14.80M shares representing 11.20% of the company. Ag Novartis's Alnylam Pharmaceuticals shares are currently valued at $6.59B.

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