INSMED Inc
INSM- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001104506
In the last 90 days, INSMED Inc insiders filed 0 open-market purchases and 7 sales; 667 institutions reported holding it in 13F filings for Q2 2026, worth $23.8B in total; superinvestors Maverick Capital and Duquesne Family Office hold it.
13F holders, Q2 2026
Institutional positions in INSMED Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 667
- −3 vs. Q1 2026
- Shares held
- 223.7M
- +3.22M (+1.5%) vs. Q1 2026
- Total value
- $23.8B
- −$11.8B (−33.1%) vs. Q1 2026
- New holders
- 119
- 247 more added
- Sold out
- 122
- 231 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting INSM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 667 | $23.8B |
| Q1 2026 | 675 | $35.7B |
| Q4 2025 | 678 | $37.8B |
| Q3 2025 | 566 | $30.3B |
| Q2 2025 | 516 | $21.2B |
| Q1 2025 | 442 | $15.3B |
| Q4 2024 | 439 | $13.3B |
| Q3 2024 | 414 | $13.7B |
| Q2 2024 | 378 | $11.7B |
| Q1 2024 | 288 | $4.07B |
| Q4 2023 | 271 | $4.64B |
| Q3 2023 | 252 | $3.72B |
| Q2 2023 | 223 | $3.09B |
| Q1 2023 | 230 | $2.48B |
| Q4 2022 | 225 | $2.87B |
| Q3 2022 | 238 | $2.74B |
| Q2 2022 | 214 | $2.55B |
| Q1 2022 | 224 | $2.97B |
| Q4 2021 | 214 | $3.36B |
| Q3 2021 | 193 | $3.40B |
| Q2 2021 | 203 | $3.46B |
| Q1 2021 | 199 | $3.63B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 289,594 | $30.9M | 0.02% | +34,347+13.5% | Added |
| Defilade Capital Management, L.P. | 281,838 | $30.0M | 4.02% | +86,929+44.6% | Added |
| HSBC Holdings PLC | 279,961 | $29.9M | 0.01% | +163,505+140.4% | Added |
| Rhumbline Advisers | 272,715 | $29.1M | 0.02% | +1000.0% | Added |
| First Turn Management, LLC | 263,851 | $28.1M | 3.01% | +15,376+6.2% | Added |
| C WorldWide Group Holding A/S | 261,110 | $27.8M | 0.67% | +100,000+62.1% | Added |
| Wells Fargo & Company | 259,852 | $27.7M | 0.00% | −337,532−56.5% | Reduced |
| California Public Employees Retirement System | 250,350 | $26.7M | 0.02% | −94,262−27.4% | Reduced |
| Vestal Point Capital, LP | 250,000 | $26.7M | 0.62% | +250,000 | New |
| TD Asset Management Inc | 240,182 | $25.6M | 0.02% | +76,758+47.0% | Added |
| Caption Management, LLC | 236,000 | $25.2M | 0.89% | +236,000 | New |
| Trails Edge Capital Partners, LP | 230,331 | $24.6M | 3.90% | +230,331 | New |
| ADAR1 Capital Management, LLC | 228,520 | $24.4M | 1.15% | +193,128+545.7% | Added |
| Nomura Asset Management International Inc. | 219,123 | $23.4M | 0.04% | −924,616−80.8% | Reduced |
| Assenagon Asset Management S.A. | 218,270 | $23.3M | 0.03% | +155,011+245.0% | Added |
| DnB Asset Management AS | 213,259 | $22.7M | 0.06% | +160,089+301.1% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 212,676 | $22.7M | 0.04% | +166,446+360.0% | Added |
| Longaeva Partners L.P. | 201,226 | $21.5M | 0.62% | +201,226 | New |
| USS Investment Management Ltd | 196,253 | $20.9M | 0.08% | +196,253 | New |
| Tudor Investment Corp Et Al | 195,391 | $20.8M | 0.09% | +195,391 | New |
| Jane Street Group, LLC | 193,528 | $20.6M | 0.01% | +182,127+1,597.5% | Added |
| Holocene Advisors, LP | 192,879 | $20.6M | 0.05% | +192,879 | New |
| Alyeska Investment Group, L.P. | 190,264 | $20.3M | 0.05% | +142,142+295.4% | Added |
| Handelsbanken Fonder AB | 189,581 | $20.2M | 0.06% | +122,100+180.9% | Added |
| Barclays PLC | 185,643 | $19.8M | 0.01% | −90,088−32.7% | Reduced |
| State Board of Administration of Florida Retirement System | 181,194 | $19.3M | 0.03% | +789+0.4% | Added |
| First Trust Advisors LP | 170,888 | $18.2M | 0.01% | −58,675−25.6% | Reduced |
| Tremblant Capital Group | 170,670 | $18.2M | 0.52% | −2,967−1.7% | Reduced |
| Citigroup Inc | 170,266 | $18.2M | 0.01% | −63,038−27.0% | Reduced |
| SEB Asset Management AB | 168,187 | $17.9M | 0.07% | +2,611+1.6% | Added |
| Cinctive Capital Management LP | 161,996 | $17.3M | 0.69% | +88,933+121.7% | Added |
| Sofinnova Investments, Inc. | 158,398 | $16.9M | 0.90% | −187,677−54.2% | Reduced |
| Trexquant Investment LP | 156,553 | $16.7M | 0.10% | +156,553 | New |
| Woodline Partners LP | 152,618 | $16.3M | 0.05% | +4,165+2.8% | Added |
| Rhenman & Partners Asset Management AB | 151,960 | $16.2M | 1.53% | −7,800−4.9% | Reduced |
| EULAV Asset Management | 150,000 | $16.0M | 0.51% | +58,000+63.0% | Added |
| Eversept Partners, LP | 149,209 | $15.9M | 0.87% | +149,209 | New |
| Capital Fund Management S.A. | 148,976 | $15.9M | 0.11% | +148,976 | New |
| Aviva PLC | 144,131 | $15.4M | 0.02% | +22,057+18.1% | Added |
| Russell Investments Group, Ltd. | 140,219 | $14.9M | 0.01% | −28,943−17.1% | Reduced |
| Voya Investment Management LLC | 139,861 | $14.9M | 0.01% | −103,845−42.6% | Reduced |
| Marsico Capital Management LLC | 129,531 | $13.8M | 0.36% | +129,531 | New |
| Swedbank AB | 129,518 | $13.8M | 0.01% | +46,653+56.3% | Added |
| LPL Financial LLC | 128,553 | $13.7M | 0.00% | −9,728−7.0% | Reduced |
| Engineers Gate Manager LP | 126,044 | $13.4M | 0.17% | −32,748−20.6% | Reduced |
| Storebrand Asset Management AS | 124,848 | $13.3M | 0.03% | +34,022+37.5% | Added |
| Jones Hill Capital LP | 122,375 | $13.0M | 2.77% | +122,375 | New |
| Andra AP-fonden | 121,570 | $13.0M | 0.15% | +43,600+55.9% | Added |
| Novo Holdings A/S | 120,723 | $12.9M | 0.75% | +120,723 | New |
| Danske Bank A/S | 119,820 | $12.8M | 0.03% | +8,762+7.9% | Added |
| Sphera Funds Management Ltd. | 118,800 | $12.7M | 1.81% | +118,800 | New |
| State of Wisconsin Investment Board | 118,057 | $12.6M | 0.03% | +3,711+3.2% | Added |
| Jain Global LLC | 111,204 | $11.9M | 0.14% | +111,204 | New |
| Hudson Bay Capital Management LP | 109,352 | $11.7M | 0.05% | +109,352 | New |
| Vanguard Global Advisers, LLC | 108,325 | $11.5M | 0.01% | −678−0.6% | Reduced |
| Vanguard Investments Australia, Ltd. | 106,644 | $11.4M | 0.03% | +839+0.8% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 104,470 | $11.1M | 0.02% | −15,878−13.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 104,378 | $11.1M | 0.06% | +48,322+86.2% | Added |
| CenterBook Partners LP | 103,151 | $11.0M | 0.54% | +67,919+192.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 101,908 | $10.9M | 0.22% | +101,908 | New |
| Tang Capital Management LLC | 100,000 | $10.7M | 0.48% | −160,000−61.5% | Reduced |
| Kynam Capital Management, LP | 100,000 | $10.7M | 0.59% | +100,000 | New |
| Van Eck Associates Corp | 99,048 | $10.6M | 0.01% | −5,242−5.0% | Reduced |
| J. Safra Sarasin Holding AG | 95,602 | $10.4M | 0.15% | +2,421+2.6% | Added |
| Treasurer of the State of North Carolina | 91,367 | $9.74M | 0.03% | +1,720+1.9% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 91,077 | $9.71M | 0.02% | +6,893+8.2% | Added |
| Nykredit A/S | 90,852 | $9.69M | 0.04% | +90,852 | New |
| Soleus Capital Management, L.P. | 90,250 | $9.62M | 0.33% | +80,000+780.5% | Added |
| Canada Pension Plan Investment Board | 89,500 | $9.54M | 0.01% | +49,600+124.3% | Added |
| M&G Plc | 88,008 | $9.42M | 0.05% | −10,213−10.4% | Reduced |
| KLP Kapitalforvaltning AS | 86,700 | $9.24M | 0.03% | +12,700+17.2% | Added |
| Fred Alger Management, LLC | 82,325 | $8.78M | 0.03% | −43,441−34.5% | Reduced |
| Asset Management One Co.,Ltd. | 79,510 | $8.48M | 0.02% | −2,871−3.5% | Reduced |
| IMC-Chicago, LLC | 76,126 | $8.12M | 0.07% | +71,654+1,602.3% | Added |
| Toroso Investments, LLC | 75,832 | $8.09M | 0.02% | +14,056+22.8% | Added |
| DekaBank Deutsche Girozentrale | 50,000 | $8.02M | 0.01% | 00.0% | Unchanged |
| Cormorant Asset Management, LP | 75,000 | $8.00M | 0.41% | −115,000−60.5% | Reduced |
| Natixis Advisors, L.P. | 73,607 | $7.85M | 0.01% | +30,673+71.4% | Added |
| Jump Financial, LLC | 73,500 | $7.84M | 0.07% | +73,500 | New |
| SG Americas Securities, LLC | 73,088 | $7.79M | 0.00% | −64,061−46.7% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 70,693 | $7.54M | 0.01% | +10,518+17.5% | Added |
| ExodusPoint Capital Management, LP | 69,500 | $7.41M | 0.07% | −78,633−53.1% | Reduced |
| Worldquant Millennium Advisors LLC | 69,199 | $7.38M | 0.03% | +69,199 | New |
| Nomura Asset Management Co Ltd | 69,157 | $7.37M | 0.02% | −20,503−22.9% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 68,450 | $7.30M | 0.03% | +100+0.1% | Added |
| State of New Jersey Common Pension Fund D | 68,049 | $7.26M | 0.02% | −4,839−6.6% | Reduced |
| Creative Planning | 67,762 | $7.22M | 0.00% | −4,438−6.1% | Reduced |
| Jones Financial Companies LLLP | 68,803 | $7.11M | 0.00% | +27,397+66.2% | Added |
| Elmind Capital, LP | 65,000 | $6.93M | 1.74% | +65,000 | New |
| Manufacturers Life Insurance Company, The | 64,582 | $6.89M | 0.01% | −8,114−11.2% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 63,437 | $6.76M | 0.03% | −5,052−7.4% | Reduced |
| Public Employees Retirement System of Ohio | 61,152 | $6.52M | 0.02% | +201+0.3% | Added |
| Arizona State Retirement System | 60,340 | $6.43M | 0.03% | +2,389+4.1% | Added |
| Mackenzie Financial Corp | 60,217 | $6.42M | 0.01% | +36,446+153.3% | Added |
| Axxion S.A. | 60,000 | $6.40M | 0.46% | +60,000 | New |
| XTX Topco Ltd | 59,663 | $6.36M | 0.08% | +55,001+1,179.8% | Added |
| HealthInvest Partners AB | 58,378 | $6.22M | 1.67% | −39,060−40.1% | Reduced |
| Great West Life Assurance Co | 57,376 | $6.11M | 0.01% | +3,486+6.5% | Added |
| McRae Capital Management Inc | 56,836 | $6.06M | 1.19% | +21,691+61.7% | Added |
| Kennedy Capital Management, Inc. | 55,990 | $5.97M | 0.11% | +21,464+62.2% | Added |