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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
Yvonne GreenstreetChief Executive Officer2025-11-262,352$85.00
$199.92kBuy
Yvonne GreenstreetChief Executive Officer2025-11-26847$118.05
$99.99kBuy
Yvonne GreenstreetChief Executive Officer2025-11-26659$151.59
$99.90kBuy
Yvonne GreenstreetChief Executive Officer2025-11-261,121$445.12
$498.98kSell
Yvonne GreenstreetChief Executive Officer2025-11-26839$119.13
$99.95kBuy
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 Research2025-11-17262$457.39
$119.84kSell

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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$6.72BInstitution
Capital World Investors12.44%16,434,253$6.58BInstitution
Ag Novartis11.20%14,800,620$5.93BInsider
Vanguard Group Inc10.27%13,565,452$5.43BInstitution
Sanofi7.99%10,554,134$4.23BInsider
Blackrock Inc7.50%9,903,601$3.97BInstitution
Capital Research Global Investors5.47%7,222,840$2.89BInstitution
Jpmorgan Chase Co3.44%4,543,770$1.82BInstitution
Groupama Asset Managment3.05%4,032,082$1.62BInstitution
State Street Corp2.33%3,081,475$1.23BInstitution

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ALNY vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALNY82.79%17.21%Net SellingNet Selling
ARGX50.00%0.00%
INSM84.90%15.10%Net SellingNet Selling
ONC2.29%32.02%Net BuyingNet Selling
REGN68.27%31.73%Net BuyingNet Buying
View Top Biotech Stocks

Alnylam Pharmaceuticals Stock Ownership FAQ

Who owns Alnylam Pharmaceuticals?

Alnylam Pharmaceuticals (NASDAQ: ALNY) is owned by 101.06% 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 $5.93B.

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