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

Insider buying vs selling

Have Alnylam Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Pushkal GargEVP Chief RD2025-10-03898$451.76
$405.68kSell
Pushkal GargEVP Chief RD2025-10-03417$453.51
$189.11kSell
Pushkal GargEVP Chief RD2025-10-03215$454.37
$97.69kSell
Pushkal GargEVP Chief RD2025-10-03682$449.99
$306.89kSell
Pushkal GargEVP Chief RD2025-10-03810$450.63
$365.01kSell
Pushkal GargEVP Chief RD2025-10-02180$448.77
$80.78kSell
Pushkal GargEVP Chief RD2025-10-0256$447.92
$25.08kSell
Pushkal GargEVP Chief RD2025-10-02115$446.53
$51.35kSell
Tolga TangulerEVP Chief Commercial Officer2025-10-021$457.64
$457.64Sell
Tolga TangulerEVP Chief Commercial Officer2025-10-0270$457.43
$32.02kSell

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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
Capital World Investors12.82%16,805,007$8.08BInstitution
Fmr LLC12.06%15,806,521$7.60BInstitution
Ag Novartis11.29%14,800,620$7.12BInsider
Vanguard Group Inc10.14%13,297,139$6.40BInstitution
Sanofi8.05%10,554,134$5.08BInsider
Blackrock Inc7.61%9,980,163$4.80BInstitution
Capital Research Global Investors5.49%7,191,656$3.46BInstitution
Regeneron Pharmaceuticals Inc3.39%4,444,445$2.14BInstitution
T Rowe Price Investment Management Inc3.27%4,281,279$2.06BInstitution
Dodge Cox2.44%3,197,096$1.54BInstitution

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ALNY vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALNY82.79%17.21%Net SellingNet Selling
REGN68.94%31.06%Net Selling
ARGX52.63%0.00%
ONC2.41%32.39%Net SellingNet Selling
INSM84.83%15.17%Net SellingNet Selling

Alnylam Pharmaceuticals Stock Ownership FAQ

Who owns Alnylam Pharmaceuticals?

Alnylam Pharmaceuticals (NASDAQ: ALNY) is owned by 101.84% institutional shareholders, 21.17% Alnylam Pharmaceuticals insiders, and 0.00% retail investors. Ag Novartis is the largest individual Alnylam Pharmaceuticals shareholder, owning 14.80M shares representing 11.29% of the company. Ag Novartis's Alnylam Pharmaceuticals shares are currently valued at $7.12B.

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