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NASDAQ: INSM
Insmed Inc Stock Ownership - Who owns Insmed?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Insmed Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Martina Md FlammerChief Medical Officer2025-06-1119,423$17.07
$331.55kBuy
Orlov S. Nicole SchaefferChief People Strategy Officer2025-06-1170,000$13.91
$973.70kBuy
Orlov S. Nicole SchaefferChief People Strategy Officer2025-06-1135,072$91.68
$3.22MSell
Orlov S. Nicole SchaefferChief People Strategy Officer2025-06-1118,319$92.73
$1.70MSell
Orlov S. Nicole SchaefferChief People Strategy Officer2025-06-11500$96.02
$48.01kSell
Orlov S. Nicole SchaefferChief People Strategy Officer2025-06-1110,781$93.48
$1.01MSell
Martina Md FlammerChief Medical Officer2025-06-1119,423$94.50
$1.84MSell
Orlov S. Nicole SchaefferChief People Strategy Officer2025-06-1134,500$95.49
$3.29MSell
Sara BonsteinChief Financial Officer2025-06-1015,825$89.85
$1.42MSell
Sara BonsteinChief Financial Officer2025-06-1024,150$18.95
$457.64kBuy

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Net Insider Buy/Sell (L12M) Ownership

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INSM Shareholders

What type of owners hold Insmed Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Richard S. Kollender12.04%21,924,540$2.16BInsider
Vanguard Group Inc10.03%18,268,122$1.80BInstitution
Blackrock Inc8.81%16,048,882$1.58BInstitution
Darwin Global Management Ltd8.45%15,397,975$1.52BInstitution
Price T Rowe Associates Inc7.10%12,923,541$1.28BInstitution
Capital International Investors3.95%7,198,485$710.71MInstitution
Jpmorgan Chase Co3.49%6,354,022$627.33MInstitution
State Street Corp3.16%5,747,293$567.43MInstitution
Baker Bros Advisors LP2.95%5,380,626$531.23MInstitution
Geode Capital Management LLC2.35%4,288,735$423.43MInstitution

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INSM vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
INSM83.98%16.02%Net SellingNet Selling
RPRX54.13%17.86%Net BuyingNet Buying
GMAB98.03%0.00%
SMMT7.21%92.79%Net BuyingNet Buying
INCY76.66%23.34%Net SellingNet Selling
View Top Biotech Stocks

Insmed Stock Ownership FAQ

Who owns Insmed?

Insmed (NASDAQ: INSM) is owned by 108.82% institutional shareholders, 20.75% Insmed insiders, and 0.00% retail investors. Richard S. Kollender is the largest individual Insmed shareholder, owning 21.92M shares representing 12.04% of the company. Richard S. Kollender's Insmed shares are currently valued at $2.16B.

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