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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
Bryan SupranCLO;Sec;EVP2026-10-021,758$226.88
$398.86kSell
David E. I. PyottDirector2026-06-011,222$299.87
$366.44kSell
David E. I. PyottDirector2026-06-01921$297.71
$274.19kSell
David E. I. PyottDirector2026-06-011,175$298.91
$351.22kSell
David E. I. PyottDirector2026-06-0117$302.65
$5.15kSell
David E. I. PyottDirector2026-06-01495$300.72
$148.86kSell
Amy W. SchulmanDirector2026-05-1311,250$70.20
$789.75kBuy
Melissa McLaughlinChief Human Resources Officer2026-04-06293$331.89
$97.24kSell
Melissa McLaughlinChief Human Resources Officer2026-04-06909$329.76
$299.75kSell
Melissa McLaughlinChief Human Resources Officer2026-04-0656$320.14
$17.93kSell

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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$3.32BInsider
Sanofi7.89%10,554,134$2.37BInsider
Atlas Venture Fund V LP0.57%760,675$170.70MInsider
Paul Schimmel0.48%643,469$144.40MInsider
Phillip A. Sharp0.20%266,899$59.89MInsider
John Maraganore0.17%230,796$51.79MInsider
Yvonne Greenstreet0.07%96,616$21.68MInsider
Barry E. Greene0.06%76,987$17.28MInsider
Jeffrey V. Poulton0.05%61,862$13.88MInsider
Curated Wealth Partners LLC0.03%35,628$8.00MInstitution

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ALNY vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALNY0.10%20.79%Net SellingNet Selling
RPRX0.06%17.99%Net SellingNet Selling
ROIV0.08%92.22%Net SellingNet Selling
BNTX0.02%31.65%Net SellingNet Selling
INCY0.10%28.10%Net SellingNet Selling
View Top Biotech Stocks

Alnylam Pharmaceuticals Stock Ownership FAQ

Who owns Alnylam Pharmaceuticals?

Alnylam Pharmaceuticals (NASDAQ: ALNY) is owned by 0.10% institutional shareholders, 20.79% Alnylam Pharmaceuticals insiders, and 79.11% 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 $3.32B.

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