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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 Research2026-01-13122$374.33
$45.67kSell
Kevin Joseph FitzgeraldCSO EVP Head of Research2026-01-13280$372.93
$104.42kSell
Kevin Joseph FitzgeraldCSO EVP Head of Research2026-01-13485$371.24
$180.05kSell
Kevin Joseph FitzgeraldCSO EVP Head of Research2026-01-13644$370.00
$238.28kSell
Kevin Joseph FitzgeraldCSO EVP Head of Research2026-01-13562$368.76
$207.24kSell
Kevin Joseph FitzgeraldCSO EVP Head of Research2026-01-13197$367.52
$72.40kSell
Yvonne GreenstreetChief Executive Officer2026-01-1294$377.82
$35.52kSell
Jeffrey V. PoultonEVP Chief Financial Officer2026-01-1278$355.16
$27.70kSell
Yvonne GreenstreetChief Executive Officer2026-01-12253$369.48
$93.48kSell
Yvonne GreenstreetChief Executive Officer2026-01-12118$370.87
$43.76kSell

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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$5.50BInstitution
Capital World Investors12.44%16,434,253$5.39BInstitution
Ag Novartis11.20%14,800,620$4.86BInsider
Vanguard Group Inc10.27%13,565,452$4.45BInstitution
Sanofi7.99%10,554,134$3.46BInsider
Blackrock Inc7.50%9,903,601$3.25BInstitution
Capital Research Global Investors5.47%7,222,840$2.37BInstitution
Jpmorgan Chase Co3.44%4,543,770$1.49BInstitution
Groupama Asset Managment3.05%4,032,082$1.32BInstitution
State Street Corp2.33%3,081,475$1.01BInstitution

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ALNY vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALNY82.79%17.21%Net SellingNet Selling
ONC2.29%32.05%Net BuyingNet Selling
ARGX50.00%0.00%
INSM84.89%15.11%Net SellingNet Selling
BNTX20.98%0.00%
View Top Biotech Stocks

Alnylam Pharmaceuticals Stock Ownership FAQ

Who owns Alnylam Pharmaceuticals?

Alnylam Pharmaceuticals (NASDAQ: ALNY) is owned by 101.06% institutional shareholders, 21.01% 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 $4.74B.

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