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 2025
Institutional positions in INSMED Inc as of Jun 30, 2025. 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
- 516
- +78 vs. Q1 2025
- Shares held
- 210.4M
- +10.8M (+5.4%) vs. Q1 2025
- Total value
- $21.2B
- +$5.90B (+38.7%) vs. Q1 2025
- New holders
- 130
- 166 more added
- Sold out
- 52
- 188 more reduced
4 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wells Fargo & Company | 259,207 | $26.1M | 0.01% | +53,696+26.1% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 250,100 | $25.2M | 0.05% | +250,100 | New |
| Silverarc Capital Management, LLC | 249,060 | $25.1M | 5.13% | −72,306−22.5% | Reduced |
| Woodline Partners LP | 248,921 | $25.1M | 0.13% | +151+0.1% | Added |
| Suvretta Capital Management, LLC | 238,783 | $24.0M | 0.91% | −1,253,600−84.0% | Reduced |
| Russell Investments Group, Ltd. | 234,617 | $23.6M | 0.03% | −68,379−22.6% | Reduced |
| Comerica Bank | 232,399 | $23.4M | 0.09% | −57,876−19.9% | Reduced |
| AXA S.A. | 226,603 | $22.8M | 0.07% | +22,746+11.2% | Added |
| Manufacturers Life Insurance Company, The | 226,265 | $22.8M | 0.02% | −92,127−28.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 226,142 | $22.8M | 0.08% | +210,999+1,393.4% | Added |
| Y-Intercept (Hong Kong) Ltd | 224,302 | $22.6M | 0.55% | +224,302 | New |
| California Public Employees Retirement System | 222,236 | $22.4M | 0.01% | −43,241−16.3% | Reduced |
| Susquehanna International Group, LLP | 212,222 | $21.4M | 0.03% | −236,392−52.7% | Reduced |
| Caption Management, LLC | 210,928 | $21.2M | 1.94% | +210,928 | New |
| Squarepoint Ops LLC | 210,647 | $21.2M | 0.05% | +210,647 | New |
| Rhumbline Advisers | 208,345 | $21.0M | 0.02% | −95,212−31.4% | Reduced |
| Legal & General Group Plc | 207,851 | $20.9M | 0.01% | +27,649+15.3% | Added |
| Susquehanna Portfolio Strategies, LLC | 207,527 | $20.9M | 0.46% | +207,527 | New |
| Brevan Howard Capital Management LP | 202,594 | $20.4M | 0.22% | +202,594 | New |
| Deutsche Bank AG | 201,635 | $20.3M | 0.01% | −108,983−35.1% | Reduced |
| Tang Capital Management LLC | 200,000 | $20.1M | 1.02% | +100,000+100.0% | Added |
| Aquatic Capital Management LLC | 199,934 | $20.1M | 0.41% | +126,320+171.6% | Added |
| Nicholas Investment Partners, LP | 195,394 | $19.7M | 1.75% | −28,537−12.7% | Reduced |
| American Century Companies Inc | 190,064 | $19.1M | 0.01% | −682,059−78.2% | Reduced |
| Fred Alger Management, LLC | 189,719 | $19.1M | 0.09% | −188,612−49.9% | Reduced |
| Barclays PLC | 188,864 | $19.0M | 0.01% | −90,406−32.4% | Reduced |
| Victory Capital Management Inc | 182,773 | $18.4M | 0.01% | −226,341−55.3% | Reduced |
| Jump Financial, LLC | 181,554 | $18.3M | 0.22% | +181,554 | New |
| Rhenman & Partners Asset Management AB | 175,435 | $17.7M | 2.23% | −10,065−5.4% | Reduced |
| California State Teachers Retirement System | 173,529 | $17.5M | 0.02% | +15,831+10.0% | Added |
| Ikarian Capital, LLC | 163,751 | $16.5M | 5.45% | +78,951+93.1% | Added |
| Prudential Financial Inc | 155,440 | $15.6M | 0.02% | +263+0.2% | Added |
| B Group, Inc. | 155,000 | $15.6M | 13.47% | −107,500−41.0% | Reduced |
| WCM Investment Management, LLC | 153,986 | $15.3M | 0.03% | +9,607+6.7% | Added |
| Panagora Asset Management Inc | 149,591 | $15.1M | 0.07% | −157,126−51.2% | Reduced |
| Frontier Capital Management Co LLC | 147,801 | $14.9M | 0.14% | −409,786−73.5% | Reduced |
| Tudor Investment Corp Et Al | 134,010 | $13.5M | 0.10% | +134,010 | New |
| State Board of Administration of Florida Retirement System | 130,165 | $13.1M | 0.02% | +92,533+245.9% | Added |
| Jain Global LLC | 127,161 | $12.8M | 0.20% | +127,161 | New |
| Van Eck Associates Corp | 119,786 | $12.1M | 0.01% | −3,766−3.0% | Reduced |
| Segall Bryant & Hamill, LLC | 119,136 | $12.0M | 0.17% | −51,723−30.3% | Reduced |
| State of Wisconsin Investment Board | 117,961 | $11.9M | 0.03% | −8,014−6.4% | Reduced |
| Granahan Investment Management Inc | 115,917 | $11.7M | 0.47% | −71,885−38.3% | Reduced |
| Federated Hermes, Inc. | 108,385 | $10.9M | 0.02% | −84,258−43.7% | Reduced |
| Driehaus Capital Management LLC | 108,081 | $10.9M | 0.09% | −223,378−67.4% | Reduced |
| Rafferty Asset Management, LLC | 98,110 | $9.87M | 0.03% | −47,874−32.8% | Reduced |
| Quadrature Capital Ltd | 96,703 | $9.73M | 0.17% | +89,217+1,191.8% | Added |
| Readystate Asset Management LP | 94,052 | $9.47M | 0.39% | −40,517−30.1% | Reduced |
| Verition Fund Management LLC | 93,370 | $9.40M | 0.05% | +66,896+252.7% | Added |
| ExodusPoint Capital Management, LP | 92,717 | $9.33M | 0.11% | +4,934+5.6% | Added |
| Polar Asset Management Partners Inc. | 92,300 | $9.29M | 0.23% | +92,300 | New |
| Royce & Associates LP | 90,027 | $9.06M | 0.09% | 00.0% | Unchanged |
| Peregrine Capital Management LLC | 88,695 | $8.93M | 0.27% | −92,298−51.0% | Reduced |
| Walleye Capital LLC | 88,406 | $8.90M | 0.08% | +53,928+156.4% | Added |
| Schroder Investment Management Group | 87,615 | $8.82M | 0.01% | −39,880−31.3% | Reduced |
| Canada Pension Plan Investment Board | 87,600 | $8.82M | 0.01% | +87,600 | New |
| Rice Hall James & Associates, LLC | 86,770 | $8.73M | 0.47% | −1,271−1.4% | Reduced |
| Citigroup Inc | 86,648 | $8.72M | 0.01% | −190,901−68.8% | Reduced |
| Mutual of America Capital Management LLC | 86,492 | $8.70M | 0.09% | +7,351+9.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 86,393 | $8.69M | 0.02% | −42,794−33.1% | Reduced |
| Picton Mahoney Asset Management | 85,604 | $8.62M | 0.12% | +35,820+72.0% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 85,102 | $8.56M | 0.08% | +83,644+5,736.9% | Added |
| Schonfeld Strategic Advisors LLC | 83,439 | $8.40M | 0.06% | +67,218+414.4% | Added |
| Treasurer of the State of North Carolina | 83,390 | $8.39M | 0.03% | +83,390 | New |
| Algert Global LLC | 81,924 | $8.24M | 0.17% | +37,500+84.4% | Added |
| Hudson Bay Capital Management LP | 81,743 | $8.23M | 0.05% | +41,573+103.5% | Added |
| Bellevue Group AG | 81,397 | $8.19M | 0.18% | −69,153−45.9% | Reduced |
| Allianz Asset Management GmbH | 80,422 | $8.09M | 0.01% | +5,138+6.8% | Added |
| Quantessence Capital LLC | 75,728 | $7.62M | 2.24% | +75,728 | New |
| Trexquant Investment LP | 75,265 | $7.57M | 0.09% | +75,265 | New |
| Assenagon Asset Management S.A. | 73,404 | $7.39M | 0.01% | +33,626+84.5% | Added |
| Soleus Capital Management, L.P. | 72,772 | $7.32M | 0.51% | −201,500−73.5% | Reduced |
| Creative Planning | 72,176 | $7.26M | 0.01% | +432+0.6% | Added |
| LPL Financial LLC | 71,412 | $7.19M | 0.00% | +20,199+39.4% | Added |
| Iron Triangle Partners LP | 70,000 | $7.04M | 1.11% | +70,000 | New |
| Point72 Hong Kong Ltd | 69,814 | $7.03M | 0.49% | +69,814 | New |
| LMR Partners LLP | 69,000 | $6.94M | 0.11% | +32,072+86.9% | Added |
| Police & Firemen's Retirement System of New Jersey | 67,903 | $6.83M | 0.06% | +30,803+83.0% | Added |
| Essex Investment Management Co LLC | 66,345 | $6.68M | 1.21% | −455−0.7% | Reduced |
| State of New Jersey Common Pension Fund D | 64,097 | $6.45M | 0.03% | +5,027+8.5% | Added |
| EFG Asset Management (North America) Corp. | 63,529 | $6.39M | 0.90% | −30,696−32.6% | Reduced |
| First Light Asset Management, LLC | 62,901 | $6.33M | 0.82% | −5,252−7.7% | Reduced |
| StemPoint Capital LP | 61,578 | $6.20M | 2.00% | −25,481−29.3% | Reduced |
| Axiom Investors LLC | 60,741 | $6.11M | 0.05% | −19,184−24.0% | Reduced |
| EAM Investors, LLC | 59,912 | $6.03M | 0.91% | −11,758−16.4% | Reduced |
| Avidity Partners Management LP | 59,000 | $5.94M | 1.19% | −48,000−44.9% | Reduced |
| XTX Topco Ltd | 56,380 | $5.67M | 0.24% | +35,130+165.3% | Added |
| Public Employees Retirement System of Ohio | 55,425 | $5.58M | 0.02% | +55,425 | New |
| Virtu Financial LLC | 54,302 | $5.46M | 0.28% | +54,302 | New |
| Stifel Financial Corp | 54,002 | $5.43M | 0.01% | +18,765+53.3% | Added |
| Thornburg Investment Management Inc | 53,248 | $5.36M | 0.07% | −15,592−22.6% | Reduced |
| Nwam LLC | 49,860 | $5.35M | 0.31% | −3,929−7.3% | Reduced |
| Arizona State Retirement System | 53,033 | $5.34M | 0.03% | +4,355+8.9% | Added |
| Boothbay Fund Management, LLC | 52,751 | $5.31M | 0.17% | +28,336+116.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 51,467 | $5.18M | 0.01% | +7,893+18.1% | Added |
| EAM Global Investors LLC | 50,206 | $5.05M | 1.31% | −11,302−18.4% | Reduced |
| AQR Capital Management LLC | 49,715 | $5.00M | 0.00% | −1,524−3.0% | Reduced |
| Hillsdale Investment Management Inc. | 49,700 | $5.00M | 0.18% | −2,200−4.2% | Reduced |
| DekaBank Deutsche Girozentrale | 50,000 | $4.96M | 0.01% | 00.0% | Unchanged |
| MML Investors Services, LLC | 49,018 | $4.93M | 0.01% | +17,809+57.1% | Added |