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Insmed (INSM) Institutional Ownership

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$144.76 -1.10 (-0.75%)
Closing price 09/19/2025 04:00 PM Eastern
Extended Trading
$145.25 +0.49 (+0.34%)
As of 09/19/2025 07:31 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Insmed (NASDAQ:INSM)

Number of
Institutional Buyers
(last 12 months)
314
Total
Institutional Inflows
(last 12 months)
$3.11B
Number of
Institutional Sellers
(last 12 months)
205
Total
Institutional Outflows
(last 12 months)
$9.48B
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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
9/4/2025 Osaic Holdings Inc.8,751$855K0.0%+84.8%0.004%
8/28/2025 China Universal Asset Management Co. Ltd.36,582$3.68M0.3%+0.8%0.017%
8/27/2025 Orion Porfolio Solutions LLC41,817$4.21M0.0%+8.0%0.020%
8/26/2025 Thrivent Financial for Lutherans8,557$861K0.0%N/A0.004%
8/25/2025 Neuberger Berman Group LLC10,895$1.10M0.0%-93.8%0.005%
8/19/2025 B. Riley Wealth Advisors Inc.2,894$291K0.0%N/A0.001%
8/19/2025 Pitcairn Co.5,100$513K0.0%-14.1%0.002%
8/18/2025 Hudson Bay Capital Management LP81,743$8.23M0.0%-41.7%0.039%
8/18/2025 Castleark Management LLC3,140$316K0.0%-94.2%0.001%
8/15/2025 CANADA LIFE ASSURANCE Co46,250$4.66M0.0%+8.9%0.022%
8/15/2025 Tower Research Capital LLC TRC 45,235$4.55M0.1%+510.0%0.021%
8/15/2025 Corient Private Wealth LLC15,024$1.52M0.0%+22.0%0.007%
8/15/2025 E Fund Management Co. Ltd.10,951$1.10M0.1%-19.7%0.005%
8/15/2025 Sender Co & Partners Inc.2,166$218K0.1%N/A0.001%
8/15/2025 Captrust Financial Advisors5,428$546K0.0%-4.5%0.003%
8/15/2025 Soleus Capital Management L.P.72,772$7.32M0.5%-73.5%0.034%
8/15/2025 Vident Advisory LLC5,679$572K0.0%-17.2%0.003%
8/15/2025 Voleon Capital Management LP4,767$480K0.0%N/A0.002%
8/15/2025 Two Sigma Securities LLC11,414$1.15M0.1%N/A0.005%
8/15/2025 Tidal Investments LLC4,035$406K0.0%+41.8%0.002%
8/15/2025 Smartleaf Asset Management LLC381$38K0.0%-50.5%0.000%
8/15/2025 Snowden Capital Advisors LLC7,723$777K0.0%+23.8%0.004%
8/15/2025 Sofinnova Investments Inc.313,923$31.59M1.9%+3.2%0.149%
8/15/2025 Rafferty Asset Management LLC98,110$9.87M0.0%-32.8%0.046%
8/15/2025 Oxford Asset Management LLP4,497$453K0.2%N/A0.002%
8/15/2025 Orbis Allan Gray Ltd1,524,134$153.39M0.7%N/A0.721%
8/15/2025 Orion Porfolio Solutions LLC35,530$3.91M0.0%-8.3%0.017%
8/15/2025 Perceptive Advisors LLC650,252$65.44M5.8%+27.7%0.308%
8/15/2025 MML Investors Services LLC49,018$4.93M0.0%+57.1%0.023%
8/15/2025 HRT Financial LP729,597$73.43M0.3%N/A0.345%
8/15/2025 Holocene Advisors LP2,016,806$202.97M0.5%-0.5%0.954%
8/15/2025 Hudson Bay Capital Management LP81,743$8.23M0.0%-41.7%0.039%
8/15/2025 Eventide Asset Management LLC1,196,494$120.41M2.1%+1.3%0.566%
8/15/2025 Cubist Systematic Strategies LLC283,102$28.49M0.1%N/A0.134%
8/15/2025 BI Asset Management Fondsmaeglerselskab A S85,102$8.57M0.1%+5,736.9%0.040%
8/15/2025 BNP Paribas Financial Markets754,160$75.90M0.0%-75.4%0.357%
8/15/2025 Bellevue Group AG81,397$8.19M0.2%-45.9%0.039%
8/15/2025 Brevan Howard Capital Management LP202,594$20.39M0.1%N/A0.096%
8/15/2025 Bamco Inc. NY36,700$3.69M0.0%-38.8%0.017%
8/15/2025 Adage Capital Partners GP L.L.C.2,859,452$287.78M0.5%-17.0%1.353%
8/15/2025 Alkeon Capital Management LLC500,000$50.32M0.1%N/A0.237%
8/15/2025 AQR Capital Management LLC49,715$5.00M0.0%-3.0%0.024%
8/15/2025 Ameriprise Financial Inc.2,957,973$297.69M0.1%-55.5%1.399%
8/14/2025 Lighthouse Investment Partners LLC10,000$1.01M0.0%-50.0%0.005%
8/14/2025 First Light Asset Management LLC62,901$6.33M0.8%-7.7%0.030%
8/14/2025 Orbimed Advisors LLC13,459$1.36M0.0%-53.0%0.006%
8/14/2025 Novo Holdings A S680,000$68.44M4.8%-6.2%0.322%
8/14/2025 California State Teachers Retirement System173,529$17.46M0.0%+10.0%0.082%
8/14/2025 Palo Alto Investors LP865,113$87.07M18.5%-12.4%0.409%
8/14/2025 Acuta Capital Partners LLC37,070$3.73M5.2%-65.1%0.018%
8/14/2025 Raymond James Financial Inc.784,551$78.96M0.0%+91.9%0.371%
8/14/2025 Maverick Capital Ltd.804,133$80.93M1.2%+89.2%0.380%
8/14/2025 Canada Pension Plan Investment Board87,600$8.82M0.0%N/A0.041%
8/14/2025 Bayesian Capital Management LP3,500$352K0.1%N/A0.002%
8/14/2025 Quantinno Capital Management LP4,468$450K0.0%+24.5%0.002%
8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.4,792$477K0.0%-95.6%0.002%
8/14/2025 Alliancebernstein L.P.1,343,212$135.18M0.0%-44.6%0.635%
8/14/2025 Vivaldi Capital Management LP3,233$325K0.0%N/A0.002%
8/14/2025 Treasurer of the State of North Carolina83,390$8.39M0.0%N/A0.039%
8/14/2025 The Manufacturers Life Insurance Company 226,265$22.77M0.0%-28.9%0.107%
8/14/2025 Sei Investments Co.433,628$43.64M0.1%+18.9%0.205%
8/14/2025 Nebula Research & Development LLC36,661$3.69M0.3%+985.0%0.017%
8/14/2025 Frontier Capital Management Co. LLC147,801$14.88M0.1%-73.5%0.070%
8/14/2025 HighVista Strategies LLC11,595$1.17M0.4%-45.9%0.005%
8/14/2025 Stempoint Capital LP61,578$6.20M2.0%-29.3%0.029%
8/14/2025 Qube Research & Technologies Ltd1,082,050$108.90M0.1%N/A0.512%
8/14/2025 B Group Inc.155,000$15.60M12.0%-41.0%0.073%
8/14/2025 AXA S.A.226,603$22.81M0.1%-88.2%0.107%
8/14/2025 State Street Corp4,277,888$430.53M0.0%-75.0%2.024%
8/14/2025 Resolute Capital Asset Partners LLC27,301$2.75M1.4%N/A0.013%
8/14/2025 WINTON GROUP Ltd22,268$2.24M0.1%N/A0.011%
8/14/2025 Hood River Capital Management LLC899,603$90.54M1.3%-42.3%0.426%
8/14/2025 Natixis10,648$1.07M0.0%N/A0.005%
8/14/2025 Bollard Group LLC17,191$1.73M0.0%N/A0.008%
8/14/2025 California Public Employees Retirement System222,236$22.37M0.0%-16.3%0.105%
8/14/2025 Cerity Partners LLC28,141$2.83M0.0%-10.5%0.013%
8/14/2025 Federated Hermes Inc.108,385$10.91M0.0%-43.7%0.051%
8/13/2025 Jump Financial LLC181,554$18.27M0.2%N/A0.086%
8/13/2025 Affinity Asset Advisors LLC475,000$47.80M6.5%+239.3%0.225%
8/13/2025 Diametric Capital LP7,757$781K0.4%N/A0.004%
8/13/2025 Tema Etfs LLC4,765$480K0.1%-48.1%0.002%
8/13/2025 Brown Advisory Inc.579,846$58.36M0.1%-13.8%0.274%
8/13/2025 Amundi11,499$1.13M0.0%+21,194.4%0.005%
8/13/2025 Marshall Wace LLP1,113,361$112.05M0.1%+59.9%0.527%
8/13/2025 Baird Financial Group Inc.25,721$2.59M0.0%N/A0.012%
8/13/2025 First Trust Advisors LP47,392$4.77M0.0%+80.8%0.022%
8/13/2025 Kennedy Capital Management LLC21,897$2.20M0.1%-36.3%0.010%
8/13/2025 Guggenheim Capital LLC41,391$4.17M0.0%+16.8%0.020%
8/13/2025 EverSource Wealth Advisors LLC664$67K0.0%+65.6%0.000%
8/13/2025 Invesco Ltd.1,896,333$190.85M0.0%-44.9%0.897%
8/13/2025 CW Advisors LLC5,720$576K0.0%N/A0.003%
8/13/2025 Quantbot Technologies LP22,067$2.22M0.1%N/A0.010%
8/13/2025 M&T Bank Corp2,384$240K0.0%-27.6%0.001%
8/13/2025 Edgestream Partners L.P.4,265$429K0.0%N/A0.002%
8/13/2025 Panagora Asset Management Inc.149,591$15.06M0.1%-51.2%0.071%
8/13/2025 New York State Common Retirement Fund427,753$43.05M0.1%+20.2%0.202%
8/13/2025 Schroder Investment Management Group87,615$8.82M0.0%-31.3%0.041%
8/13/2025 Loomis Sayles & Co. L P793,569$79.87M0.1%-21.4%0.375%
8/13/2025 Neuberger Berman Group LLC10,895$1.10M0.0%-93.8%0.005%
8/13/2025 Virtus Investment Advisers LLC4,587$462K0.2%-8.0%0.002%
(Data available from 1/1/2016 forward)

INSM Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of INSM shares?

During the previous two years, 448 institutional investors and hedge funds held shares of Insmed. The most heavily invested institutionals were Vanguard Group Inc. ($1.78B), Price T Rowe Associates Inc. MD ($985.94M), Darwin Global Management Ltd. ($894.80M), Capital International Investors ($491.36M), State Street Corp ($430.53M), Geode Capital Management LLC ($336.26M), and Artisan Partners Limited Partnership ($333.56M).Learn more on Insmed's institutional investors.

Which institutional investors have been buying Insmed's stock?

Of the 375 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: Darwin Global Management Ltd. ($6.00M), Norges Bank ($5.22M), Adage Capital Partners GP L.L.C. ($3.01M), Vanguard Group Inc. ($2.53M), Capital International Investors ($2.21M), Vestal Point Capital LP ($1.93M), and Clearbridge Investments LLC ($1.71M).

How much institutional buying is happening at Insmed?

Institutional investors have bought a total of 38,929,633 shares in the last 24 months. This purchase volume represents approximately $3.11B in transactions.

Which of Insmed's major shareholders have been selling company stock?

Of the 205 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: Franklin Resources Inc. ($27.30M), Calamos Advisors LLC ($14.04M), State Street Corp ($12.84M), Readystate Asset Management LP ($7.05M), Point72 Asset Management L.P. ($5.55M), Ameriprise Financial Inc. ($3.70M), and BNP Paribas Financial Markets ($2.32M).

How much institutional selling is happening at Insmed?

Institutional investors have sold a total of 101,700,244 shares in the last 24 months. This volume of shares sold represents approximately $9.48B in transactions.


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This page (NASDAQ:INSM) was last updated on 9/20/2025 by MarketBeat.com Staff
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