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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
Orlov S. Nicole SchaefferChief People Strategy Officer2025-09-1256,520$23.75
$1.34MBuy
Melvin Md SharokyDirector2025-09-1210,000$145.39
$1.45MSell
Orlov S. Nicole SchaefferChief People Strategy Officer2025-09-126,158$147.46
$908.06kSell
Orlov S. Nicole SchaefferChief People Strategy Officer2025-09-127,304$146.57
$1.07MSell
Orlov S. Nicole SchaefferChief People Strategy Officer2025-09-1230,967$145.67
$4.51MSell
Orlov S. Nicole SchaefferChief People Strategy Officer2025-09-1232,091$144.60
$4.64MSell
Michael Alexander SmithChief Legal Officer2025-09-021,354$141.16
$191.13kSell
Michael Alexander SmithChief Legal Officer2025-09-0212,780$30.46
$389.28kBuy
Martina Md FlammerChief Medical Officer2025-09-0238,846$17.07
$663.10kBuy
Martina Md FlammerChief Medical Officer2025-09-0213,072$19.74
$258.04kBuy

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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$3.58BInsider
Darwin Global Management Ltd10.62%19,344,621$3.16BInstitution
Vanguard Group Inc9.69%17,644,492$2.88BInstitution
Jpmorgan Chase Co8.58%15,636,399$2.55BInstitution
Price T Rowe Associates Inc6.17%11,230,705$1.83BInstitution
Blackrock Inc6.12%11,142,432$1.82BInstitution
Baker Bros Advisors LP4.23%7,712,900$1.26BInstitution
Capital International Investors4.11%7,478,859$1.22BInstitution
Fmr LLC2.80%5,093,261$831.17MInstitution
State Street Corp2.35%4,277,888$698.11MInstitution

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INSM vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
INSM84.83%15.17%Net SellingNet Selling
ONC2.41%32.39%Net SellingNet Selling
BNTX22.36%0.00%
RPRX58.59%17.24%Net SellingNet Selling
GMAB99.31%0.00%
View Top Biotech Stocks

Insmed Stock Ownership FAQ

Who owns Insmed?

Insmed (NASDAQ: INSM) is owned by 115.50% institutional shareholders, 20.65% 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 $3.63B.

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