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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
David E. I. PyottDirector2026-06-01921$297.71
$274.19kSell
David E. I. PyottDirector2026-06-0117$302.65
$5.15kSell
David E. I. PyottDirector2026-06-01495$300.72
$148.86kSell
David E. I. PyottDirector2026-06-011,222$299.87
$366.44kSell
David E. I. PyottDirector2026-06-011,175$298.91
$351.22kSell
Amy W. SchulmanDirector2026-05-1311,250$70.20
$789.75kBuy
Melissa McLaughlinChief Human Resources Officer2026-04-06199$333.94
$66.45kSell
Melissa McLaughlinChief Human Resources Officer2026-04-06293$331.89
$97.24kSell
Melissa McLaughlinChief Human Resources Officer2026-04-06829$330.46
$273.95kSell
Melissa McLaughlinChief Human Resources Officer2026-04-06909$329.76
$299.75kSell

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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
Ag Novartis11.06%14,800,620$3.24BInsider
Fmr LLC10.90%14,579,166$3.20BInstitution
Capital World Investors8.07%10,802,348$2.37BInstitution
Sanofi7.89%10,554,134$2.31BInsider
Blackrock Inc7.81%10,444,908$2.29BInstitution
Capital Research Global Investors7.08%9,471,181$2.08BInstitution
Vanguard Portfolio Management LLC4.85%6,491,280$1.42BInstitution
Jpmorgan Chase Co4.73%6,323,752$1.39BInstitution
Vanguard Capital Management LLC4.44%5,946,706$1.30BInstitution
T Rowe Price Investment Management Inc3.88%5,193,324$1.14BInstitution

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ALNY vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALNY82.21%17.79%Net SellingNet Buying
INSM85.09%14.91%Net SellingNet Selling
ROIV44.31%55.69%Net SellingNet Selling
RPRX62.20%18.03%Net SellingNet Selling
INCY78.15%21.85%Net SellingNet Selling
View Top Biotech Stocks

Alnylam Pharmaceuticals Stock Ownership FAQ

Who owns Alnylam Pharmaceuticals?

Alnylam Pharmaceuticals (NASDAQ: ALNY) is owned by 96.09% institutional shareholders, 20.79% Alnylam Pharmaceuticals insiders, and 0.00% retail investors. Ag Novartis is the largest individual Alnylam Pharmaceuticals shareholder, owning 14.80M shares representing 11.06% of the company. Ag Novartis's Alnylam Pharmaceuticals shares are currently valued at $3.24B.

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