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Insmed (INSM) Institutional Ownership

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$109.03 +0.44 (+0.41%)
As of 11:24 AM Eastern
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Institutional Ownership Changes (13F Filings) for Insmed (NASDAQ:INSM)

Number of
Institutional Buyers
(last 12 months)
426
Total
Institutional Inflows
(last 12 months)
$6.07B
Number of
Institutional Sellers
(last 12 months)
213
Total
Institutional Outflows
(last 12 months)
$4.52B
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INSM Institutional Buying and Selling by Quarter

Insmed Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/2/2026Versant Capital Management Inc648$74K0.0%+118.9%0.000%
9/23/2026QRG Capital Management Inc.7,984$851K0.0%-7.2%0.004%
9/22/2026Andra AP fonden121,570$12.96M0.1%+55.9%0.056%
9/9/2026Sequoia Financial Advisors LLC3,465$369K0.0%-21.0%0.002%
9/9/2026National Pension Service26,678$2.84M0.0%-91.4%0.012%
9/9/2026WINTON GROUP Ltd3,753$400K0.0%N/A0.002%
9/9/2026Engineers Gate Manager LP126,044$13.44M0.2%-20.6%0.058%
9/9/2026C WorldWide Group Holding A S261,110$27.84M0.7%+62.1%0.120%
9/9/2026Integrated Wealth Concepts LLC1,107$118K0.0%-64.8%0.001%
9/9/2026NewEdge Advisors LLC7,354$784K0.0%+22.3%0.003%
9/9/2026IFP Advisors Inc2,945$314K0.0%+28.5%0.001%
9/8/2026Arizona State Retirement System60,340$6.43M0.0%+4.1%0.028%
9/8/2026Nykredit A S90,852$9.69M0.0%N/A0.042%
8/27/2026Corient Private Wealth LP27,018$2.88M0.0%-10.7%0.012%
8/23/2026Saudi Central Bank14,732$1.57M0.0%+87.1%0.007%
8/22/2026AlphaGrep UK Ltd2,811$300K0.1%N/A0.001%
8/22/2026denkapparat Operations GmbH1,946$207K0.1%N/A0.001%
8/22/2026Concurrent Investment Advisors LLC4,161$444K0.0%-19.1%0.002%
8/21/2026AXQ Capital LP22,813$2.43M0.3%N/A0.010%
8/21/2026Nykredit A S103,144$11.00M0.0%N/A0.047%
8/21/2026B. Metzler seel. Sohn & Co. AG40,521$4.32M0.0%+3.3%0.019%
8/20/2026Nwam LLC5,071$541K0.0%-88.7%0.002%
8/20/2026Railway Pension Investments Ltd604,700$64.47M0.8%N/A0.277%
8/20/2026Headlands Technologies LLC40,855$4.36M0.5%+1,355.0%0.019%
8/20/2026Quantitative Investment Management LLC15,894$1.69M0.2%+11.1%0.007%
8/19/2026Wellington Management Group LLP543,893$57.99M0.0%+36.3%0.249%
8/18/2026Public Employees Retirement System of Ohio61,152$6.52M0.0%N/A0.028%
8/6/2026Bank of New York Mellon Corp1,312,756$139.97M0.0%N/A0.606%
8/6/2026S&CO Inc.13,000$1.39M0.1%N/A0.006%
7/10/2026Tema ETFs LLC3,405$363K0.0%-22.9%0.002%
7/10/2026E. Ohman J or Asset Management AB7,789$830K0.0%+48.7%0.004%
7/10/2026Handelsbanken Fonder AB189,581$20.21M0.1%+180.9%0.087%
7/10/2026Wealthcare Advisory Partners LLC4,672$498K0.0%N/A0.002%
7/8/2026FNY Investment Advisers LLC1,300$138K0.0%N/A0.001%
7/8/2026PensionDanmark Pensionsforsikringsaktieselskab31,393$3.35M0.0%+8.0%0.014%
7/8/2026Assenagon Asset Management S.A.218,270$23.27M0.0%+245.0%0.101%
7/7/2026Avior Wealth Management LLC4,913$524K0.0%+23.0%0.002%
7/7/2026Harbor Investment Advisory LLC486$52K0.0%N/A0.000%
6/18/2026Pacer Advisors Inc.7,279$1.19M0.0%-53.3%0.003%
6/16/2026Empowered Funds LLC51,986$8.50M0.1%+32.6%0.024%
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6/12/2026Defilade Capital Management L.P.194,909$31.87M4.5%+289.8%0.090%
6/3/2026Parallel Advisors LLC2,291$375K0.0%+13.1%0.001%
6/3/2026NewEdge Advisors LLC6,015$984K0.0%+133.0%0.003%
6/1/2026NWI Management LP1,014,000$165.81M9.4%+2.6%0.468%
5/26/2026Glenmede Trust Co. NA1,916$313K0.0%+5.4%0.001%
5/19/2026Bank of America Corp DE1,502,281$245.65M0.0%-12.9%0.693%
5/19/2026Edgestream Partners L.P.2,499$409K0.0%-39.3%0.001%
5/19/2026Janus Henderson Group PLC419,304$68.56M0.0%-47.6%0.193%
5/18/2026ADAR1 Capital Management LLC35,392$5.79M0.3%N/A0.016%
5/18/2026Amundi804,977$131.63M0.0%-12.2%0.371%
5/18/2026California State Teachers Retirement System303,182$49.58M0.1%-2.3%0.140%
5/18/2026Royal Bank of Canada523,101$85.54M0.0%+3.2%0.241%
5/18/2026Rock Springs Capital Management LP314,300$51.39M3.0%-1.6%0.145%
5/18/2026Eagle Health Investments LP224,271$36.67M6.4%+6.3%0.103%
5/18/2026Empowered Funds LLC51,986$8.50M0.1%+32.6%0.024%
5/18/2026Exome Asset Management LLC26,651$4.36M2.3%N/A0.012%
5/16/2026The Manufacturers Life Insurance Company72,696$11.89M0.0%-38.8%0.034%
5/16/2026Quantinno Capital Management LP35,552$5.81M0.0%+81.9%0.016%
5/16/2026SummitTX Capital L.P.23,153$3.79M0.1%-10.8%0.011%
5/15/2026OMERS ADMINISTRATION Corp2,204$360K0.0%N/A0.001%
5/15/2026Lombard Odier Asset Management Switzerland SA4,403$720K0.0%N/A0.002%
5/15/2026Affinity Asset Advisors LLC480,000$78.49M4.1%+6.7%0.221%
5/15/2026Entropy Technologies LP4,332$708K0.0%N/A0.002%
5/14/2026Healthcare of Ontario Pension Plan Trust Fund56,529$9.24M0.0%-13.4%0.026%
5/14/2026Renaissance Technologies LLC20,300$3.32M0.0%-21.6%0.009%
5/14/2026Gabelli Funds LLC2,700$442K0.0%+46.7%0.001%
5/14/2026Public Employees Retirement System of Ohio60,951$9.97M0.0%-3.3%0.028%
5/14/2026Compound Planning Inc.27,862$4.56M0.1%+0.8%0.013%
5/14/2026Inceptionr LLC5,172$846K0.2%N/A0.002%
5/14/2026Bank of Nova Scotia15,203$2.49M0.0%-75.0%0.007%
5/14/2026Sei Investments Co.1,395,794$228.24M0.2%+56.8%0.644%
5/14/2026Lido Advisors LLC1,980$324K0.0%+27.5%0.001%
5/13/2026Cetera Investment Advisers34,356$5.62M0.0%-10.6%0.016%
5/13/2026Aureus Asset Management LLC6,000$981K0.1%N/A0.003%
5/13/2026NewEdge Wealth LLC4,208$688K0.0%+18.9%0.002%
5/13/2026CI Investments Inc.2,214$362K0.0%-10.6%0.001%
5/13/2026First Trust Advisors LP229,563$37.54M0.0%-7.4%0.106%
5/12/2026ABN Amro Investment Solutions13,143$2.15M0.0%+31.6%0.006%
5/8/2026PNC Financial Services Group Inc.8,910$1.46M0.0%+29.9%0.004%
5/8/2026Andra AP fonden77,970$12.75M0.2%+114.8%0.036%
5/7/2026Meeder Advisory Services Inc.3,987$652K0.0%-16.6%0.002%
5/7/2026WCM Investment Management LLC15,707$2.41M0.0%+51.5%0.007%
5/7/2026Dimensional Fund Advisors LP400,900$65.47M0.0%+0.5%0.186%
5/7/2026Parallel Advisors LLC2,291$375K0.0%+13.1%0.001%
5/7/2026AlphaCentric Advisors LLC8,874$1.45M1.4%+16.9%0.004%
5/7/2026KBC Group NV37,347$6.11M0.0%+9.8%0.017%
5/7/2026SEB Asset Management AB165,576$27.08M0.1%N/A0.077%
5/7/2026Swiss National Bank625,912$102.35M0.1%+8.1%0.290%
5/7/2026ANB Bank1,507$246K0.1%-22.6%0.001%
5/6/2026Jennison Associates LLC604,694$98.88M0.1%+7.5%0.280%
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5/6/2026California Public Employees Retirement System344,612$56.35M0.0%-2.9%0.160%
5/6/2026Simon Quick Advisors LLC50,065$8.19M0.4%N/A0.023%
5/6/2026Assetmark Inc.34,258$5.60M0.0%-13.8%0.016%
5/6/2026C WorldWide Group Holding A S161,110$26.35M0.6%+18.4%0.075%
5/6/2026Bessemer Group Inc.823$135K0.0%-15.0%0.000%
5/6/2026Allspring Global Investments Holdings LLC282,734$46.61M0.1%+28.5%0.131%
5/5/2026Wealthfront Advisers LLC18,404$3.01M0.0%+84.2%0.009%
5/5/2026Bank of New York Mellon Corp1,262,749$206.49M0.0%-9.2%0.585%
5/5/2026Harel Insurance Investments & Financial Services Ltd.1,084$177K0.0%N/A0.001%
5/5/2026MASTERINVEST Kapitalanlage GmbH4,640$759K0.1%N/A0.002%


INSM Institutional Ownership - Frequently Asked Questions

During the previous two years, 675 institutional investors and hedge funds held shares of Insmed. The most heavily invested institutionals were Vanguard Group Inc. ($3.67B), Darwin Global Management Ltd. ($3.64B), Baker BROS. Advisors LP ($1.15B), State Street Corp ($905.31M), Capital International Investors ($896.60M), Artisan Partners Limited Partnership ($843.01M), and RTW Investments LP ($842.86M).Learn more on Insmed's institutional investors.

Of the 598 institutional investors that purchased Insmed's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Norges Bank ($6.68M), Vanguard Group Inc. ($4.56M), Darwin Global Management Ltd. ($4.05M), Orbis Allan Gray Ltd ($2.45M), Adage Capital Partners GP L.L.C. ($2.41M), Artisan Partners Limited Partnership ($1.96M), and RTW Investments LP ($1.76M).

Institutional investors have bought a total of 37,977,239 shares in the last 24 months. This purchase volume represents approximately $6.07B in transactions.

Of the 213 institutional investors that sold Insmed's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Price T Rowe Associates Inc. MD ($2.89M), Capital International Investors ($2.40M), Baker BROS. Advisors LP ($1.12M), Adage Capital Partners GP L.L.C. ($952.50K), Holocene Advisors LP ($933.13K), Westfield Capital Management Co. LP ($906.77K), and Royal Bank of Canada ($848.52K).

Institutional investors have sold a total of 28,139,672 shares in the last 24 months. This volume of shares sold represents approximately $4.52B in transactions.


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Institutional ownership data for NASDAQ:INSM is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 10/2/2026. New 13F filings are added each quarter as they're published.
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