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, Q4 2024
Institutional positions in INSMED Inc as of Dec 31, 2024. 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
- 439
- +32 vs. Q3 2024
- Shares held
- 192.6M
- +4.94M (+2.6%) vs. Q3 2024
- Total value
- $13.3B
- −$406.1M (−3.0%) vs. Q3 2024
- New holders
- 75
- 178 more added
- Sold out
- 43
- 144 more reduced
7 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | 313,181 | $21.6M | 0.02% | +25,108+8.7% | Added |
| Patient Square Capital LP | 307,167 | $21.2M | 7.93% | +135,463+78.9% | Added |
| Standard Life Aberdeen plc | 289,653 | $20.0M | 0.04% | +178,041+159.5% | Added |
| Rhumbline Advisers | 288,337 | $19.9M | 0.02% | +25,292+9.6% | Added |
| Nwi Management LP | 279,000 | $19.3M | 1.52% | +181,460+186.0% | Added |
| Susquehanna Fundamental Investments, LLC | 270,960 | $18.7M | 0.31% | +270,960 | New |
| Schroder Investment Management Group | 268,063 | $18.5M | 0.02% | +127,641+90.9% | Added |
| Jane Street Group, LLC | 263,721 | $18.2M | 0.03% | −395,954−60.0% | Reduced |
| Bellevue Group AG | 258,483 | $17.8M | 0.34% | −266,951−50.8% | Reduced |
| Envestnet Asset Management Inc | 256,358 | $17.7M | 0.01% | +15,227+6.3% | Added |
| California Public Employees Retirement System | 256,355 | $17.7M | 0.01% | −2,522−1.0% | Reduced |
| Sofinnova Investments, Inc. | 256,281 | $17.7M | 1.30% | −30,026−10.5% | Reduced |
| Citigroup Inc | 247,443 | $17.1M | 0.02% | +126,177+104.0% | Added |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 243,748 | $16.8M | 2.04% | +243,748 | New |
| Federated Hermes, Inc. | 235,836 | $16.3M | 0.04% | +192,853+448.7% | Added |
| Avidity Partners Management LP | 232,800 | $16.1M | 1.60% | −359,200−60.7% | Reduced |
| AXA S.A. | 226,821 | $15.7M | 0.05% | −360−0.2% | Reduced |
| Kingdon Capital Management, L.L.C. | 225,000 | $15.5M | 2.65% | −175,000−43.8% | Reduced |
| Cutter Capital Management, LP | 210,884 | $14.6M | 5.97% | −5,000−2.3% | Reduced |
| Hudson Bay Capital Management LP | 210,000 | $14.5M | 0.09% | −30,000−12.5% | Reduced |
| Granahan Investment Management Inc | 209,354 | $14.5M | 0.60% | −7,991−3.7% | Reduced |
| Ra Capital Management, L.P. | 200,000 | $13.8M | 0.18% | 00.0% | Unchanged |
| Peregrine Capital Management LLC | 193,479 | $13.4M | 0.40% | +20,642+11.9% | Added |
| BNP Paribas Arbitrage, SA | 187,016 | $12.9M | 0.01% | −129,860−41.0% | Reduced |
| Royal Bank of Canada | 184,072 | $12.7M | 0.00% | −16,364−8.2% | Reduced |
| Nicholas Investment Partners, LP | 182,743 | $12.6M | 1.11% | +81,598+80.7% | Added |
| Rafferty Asset Management, LLC | 180,913 | $12.5M | 0.04% | −45,887−20.2% | Reduced |
| Legal & General Group Plc | 176,014 | $12.2M | 0.00% | +14,246+8.8% | Added |
| Driehaus Capital Management LLC | 171,289 | $11.8M | 0.10% | +3,859+2.3% | Added |
| Comerica Bank | 170,780 | $11.8M | 0.05% | +108,686+175.0% | Added |
| Artia Global Partners LP | 167,939 | $11.6M | 4.68% | +115,000+217.2% | Added |
| Woodline Partners LP | 162,230 | $11.2M | 0.08% | −54,149−25.0% | Reduced |
| Wells Fargo & Company | 160,709 | $11.1M | 0.00% | +33,214+26.1% | Added |
| Samlyn Capital, LLC | 159,064 | $11.0M | 0.17% | −52,434−24.8% | Reduced |
| California State Teachers Retirement System | 153,343 | $10.6M | 0.01% | +6,601+4.5% | Added |
| Neuberger Berman Group LLC | 149,241 | $10.3M | 0.01% | +37,403+33.4% | Added |
| Prudential Financial Inc | 146,722 | $10.1M | 0.01% | +12,132+9.0% | Added |
| WCM Investment Management, LLC | 144,740 | $9.97M | 0.02% | −3,590−2.4% | Reduced |
| Perceptive Advisors LLC | 144,000 | $9.94M | 0.28% | −36,000−20.0% | Reduced |
| Segall Bryant & Hamill, LLC | 139,045 | $9.60M | 0.13% | −1,870−1.3% | Reduced |
| Russell Investments Group, Ltd. | 132,154 | $9.12M | 0.01% | +45,395+52.3% | Added |
| Altium Capital Management LP | 132,000 | $9.11M | 2.84% | +2,000+1.5% | Added |
| State of Wisconsin Investment Board | 122,111 | $8.43M | 0.02% | +12,786+11.7% | Added |
| Senator Investment Group LP | 120,000 | $8.28M | 0.24% | +120,000 | New |
| Ikarian Capital, LLC | 119,800 | $8.27M | 2.36% | −35,035−22.6% | Reduced |
| Van Eck Associates Corp | 119,234 | $8.23M | 0.01% | −7,790−6.1% | Reduced |
| Ally Bridge Group (NY) LLC | 114,360 | $7.90M | 6.77% | −36,473−24.2% | Reduced |
| EFG Asset Management (North America) Corp. | 107,625 | $7.43M | 1.01% | +56,758+111.6% | Added |
| StemPoint Capital LP | 106,610 | $7.36M | 1.85% | +106,610 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 105,313 | $7.27M | 0.02% | +10,352+10.9% | Added |
| Acuta Capital Partners, LLC | 104,800 | $7.24M | 7.28% | −2,700−2.5% | Reduced |
| J. Goldman & Co LP | 104,179 | $7.19M | 0.25% | +92,953+828.0% | Added |
| MetLife Investment Management | 103,429 | $7.14M | 0.04% | +13,807+15.4% | Added |
| Tang Capital Management LLC | 100,000 | $6.90M | 0.46% | 00.0% | Unchanged |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 98,460 | $6.80M | 0.01% | +98,460 | New |
| OrbiMed Advisors LLC | 94,559 | $6.53M | 0.14% | +94,559 | New |
| Aquatic Capital Management LLC | 91,268 | $6.30M | 0.17% | +68,268+296.8% | Added |
| Royce & Associates LP | 90,027 | $6.22M | 0.06% | −5,000−5.3% | Reduced |
| Rice Hall James & Associates, LLC | 88,860 | $6.13M | 0.34% | −4,632−5.0% | Reduced |
| HAP Trading, LLC | 87,533 | $6.04M | 2.02% | +4,052+4.9% | Added |
| Corebridge Financial, Inc. | 85,719 | $5.92M | 0.03% | +1,685+2.0% | Added |
| Axiom Investors LLC | 83,874 | $5.79M | 0.04% | −3,340−3.8% | Reduced |
| Mutual of America Capital Management LLC | 77,048 | $5.32M | 0.06% | −68−0.1% | Reduced |
| Algert Global LLC | 75,754 | $5.23M | 0.12% | −5,747−7.1% | Reduced |
| Thornburg Investment Management Inc | 74,749 | $5.16M | 0.07% | −1,120−1.5% | Reduced |
| EAM Investors, LLC | 71,964 | $4.97M | 0.70% | −36,008−33.3% | Reduced |
| Allianz Asset Management GmbH | 71,750 | $4.95M | 0.01% | −33,927−32.1% | Reduced |
| Intech Investment Management LLC | 71,227 | $4.92M | 0.05% | +24,634+52.9% | Added |
| Parallax Volatility Advisers, L.P. | 70,537 | $4.87M | 0.11% | −62,021−46.8% | Reduced |
| Springhill Fund Asset Management (HK) Co Ltd | 69,500 | $4.80M | 7.79% | +69,500 | New |
| Essex Investment Management Co LLC | 67,330 | $4.65M | 0.84% | −9,863−12.8% | Reduced |
| First Trust Advisors LP | 66,690 | $4.60M | 0.00% | −214,129−76.3% | Reduced |
| Twin Tree Management, LP | 65,147 | $4.50M | 0.11% | +65,147 | New |
| AQR Capital Management LLC | 64,171 | $4.43M | 0.01% | +1,291+2.1% | Added |
| State of New Jersey Common Pension Fund D | 64,061 | $4.42M | 0.02% | +4,438+7.4% | Added |
| Rhenman & Partners Asset Management AB | 61,500 | $4.25M | 0.44% | −68,013−52.5% | Reduced |
| EAM Global Investors LLC | 61,489 | $4.25M | 0.76% | −33,353−35.2% | Reduced |
| Bamco Inc | 60,000 | $4.14M | 0.01% | +19,500+48.1% | Added |
| Harbor Capital Advisors, Inc. | 59,600 | $4.12M | 0.18% | +41,918+237.1% | Added |
| Balyasny Asset Management LLC | 58,970 | $4.07M | 0.01% | +38,155+183.3% | Added |
| Hillsdale Investment Management Inc. | 57,000 | $3.94M | 0.20% | +300+0.5% | Added |
| ProShare Advisors LLC | 56,991 | $3.93M | 0.01% | +17,141+43.0% | Added |
| Creative Planning | 56,710 | $3.92M | 0.00% | +11,796+26.3% | Added |
| Oak Ridge Investments LLC | 56,636 | $3.91M | 0.31% | −1,718−2.9% | Reduced |
| Diadema Partners LP | 56,337 | $3.89M | 4.38% | +56,337 | New |
| Castleark Management LLC | 52,780 | $3.64M | 0.13% | +9,480+21.9% | Added |
| Affinity Asset Advisors, LLC | 50,000 | $3.45M | 0.54% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 50,000 | $3.43M | 0.01% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 48,897 | $3.37M | 0.13% | +3,354+7.4% | Added |
| Teacher Retirement System of Texas | 48,337 | $3.34M | 0.01% | +9,471+24.4% | Added |
| Erste Asset Management GmbH | 47,600 | $3.31M | 0.04% | 00.0% | Unchanged |
| Group One Trading, L.P. | 47,874 | $3.31M | 0.11% | −122,836−72.0% | Reduced |
| Arizona State Retirement System | 47,342 | $3.27M | 0.02% | +2,722+6.1% | Added |
| Handelsbanken Fonder AB | 45,281 | $3.13M | 0.01% | +1,700+3.9% | Added |
| Hennion & Walsh Asset Management, Inc. | 43,934 | $3.03M | 0.14% | −43,522−49.8% | Reduced |
| PFM Health Sciences, LP | 43,774 | $3.02M | 0.23% | −108,454−71.2% | Reduced |
| Edgestream Partners, L.P. | 43,619 | $3.01M | 0.13% | +40,369+1,242.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 43,476 | $3.00M | 0.01% | +6,755+18.4% | Added |
| F/M Investments LLC | 42,793 | $2.95M | 0.11% | +42,793 | New |
| Treasurer of the State of North Carolina | 41,770 | $2.88M | 0.01% | −730−1.7% | Reduced |