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 |
|---|---|---|---|---|---|
| Nykredit A/S | 90,852 | $9.69M | 0.04% | +90,852 | New |
| Mitsubishi UFJ Trust & Banking Corp | 91,077 | $9.71M | 0.02% | +6,893+8.2% | Added |
| Treasurer of the State of North Carolina | 91,367 | $9.74M | 0.03% | +1,720+1.9% | Added |
| J. Safra Sarasin Holding AG | 95,602 | $10.4M | 0.15% | +2,421+2.6% | Added |
| Van Eck Associates Corp | 99,048 | $10.6M | 0.01% | −5,242−5.0% | Reduced |
| 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 |
| Y-Intercept (Hong Kong) Ltd | 101,908 | $10.9M | 0.22% | +101,908 | New |
| CenterBook Partners LP | 103,151 | $11.0M | 0.54% | +67,919+192.8% | Added |
| Schonfeld Strategic Advisors LLC | 104,378 | $11.1M | 0.06% | +48,322+86.2% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 104,470 | $11.1M | 0.02% | −15,878−13.2% | Reduced |
| Vanguard Investments Australia, Ltd. | 106,644 | $11.4M | 0.03% | +839+0.8% | Added |
| Vanguard Global Advisers, LLC | 108,325 | $11.5M | 0.01% | −678−0.6% | Reduced |
| Hudson Bay Capital Management LP | 109,352 | $11.7M | 0.05% | +109,352 | New |
| Jain Global LLC | 111,204 | $11.9M | 0.14% | +111,204 | New |
| State of Wisconsin Investment Board | 118,057 | $12.6M | 0.03% | +3,711+3.2% | Added |
| Sphera Funds Management Ltd. | 118,800 | $12.7M | 1.81% | +118,800 | New |
| Danske Bank A/S | 119,820 | $12.8M | 0.03% | +8,762+7.9% | Added |
| Novo Holdings A/S | 120,723 | $12.9M | 0.75% | +120,723 | New |
| Andra AP-fonden | 121,570 | $13.0M | 0.15% | +43,600+55.9% | Added |
| Jones Hill Capital LP | 122,375 | $13.0M | 2.77% | +122,375 | New |
| Storebrand Asset Management AS | 124,848 | $13.3M | 0.03% | +34,022+37.5% | Added |
| Engineers Gate Manager LP | 126,044 | $13.4M | 0.17% | −32,748−20.6% | Reduced |
| LPL Financial LLC | 128,553 | $13.7M | 0.00% | −9,728−7.0% | Reduced |
| Swedbank AB | 129,518 | $13.8M | 0.01% | +46,653+56.3% | Added |
| Marsico Capital Management LLC | 129,531 | $13.8M | 0.36% | +129,531 | New |
| Voya Investment Management LLC | 139,861 | $14.9M | 0.01% | −103,845−42.6% | Reduced |
| Russell Investments Group, Ltd. | 140,219 | $14.9M | 0.01% | −28,943−17.1% | Reduced |
| Aviva PLC | 144,131 | $15.4M | 0.02% | +22,057+18.1% | Added |
| Capital Fund Management S.A. | 148,976 | $15.9M | 0.11% | +148,976 | New |
| Eversept Partners, LP | 149,209 | $15.9M | 0.87% | +149,209 | New |
| EULAV Asset Management | 150,000 | $16.0M | 0.51% | +58,000+63.0% | Added |
| Rhenman & Partners Asset Management AB | 151,960 | $16.2M | 1.53% | −7,800−4.9% | Reduced |
| Woodline Partners LP | 152,618 | $16.3M | 0.05% | +4,165+2.8% | Added |
| Trexquant Investment LP | 156,553 | $16.7M | 0.10% | +156,553 | New |
| Sofinnova Investments, Inc. | 158,398 | $16.9M | 0.90% | −187,677−54.2% | Reduced |
| Cinctive Capital Management LP | 161,996 | $17.3M | 0.69% | +88,933+121.7% | Added |
| SEB Asset Management AB | 168,187 | $17.9M | 0.07% | +2,611+1.6% | Added |
| Citigroup Inc | 170,266 | $18.2M | 0.01% | −63,038−27.0% | Reduced |
| Tremblant Capital Group | 170,670 | $18.2M | 0.52% | −2,967−1.7% | Reduced |
| First Trust Advisors LP | 170,888 | $18.2M | 0.01% | −58,675−25.6% | Reduced |
| State Board of Administration of Florida Retirement System | 181,194 | $19.3M | 0.03% | +789+0.4% | Added |
| Barclays PLC | 185,643 | $19.8M | 0.01% | −90,088−32.7% | Reduced |
| Handelsbanken Fonder AB | 189,581 | $20.2M | 0.06% | +122,100+180.9% | Added |
| Alyeska Investment Group, L.P. | 190,264 | $20.3M | 0.05% | +142,142+295.4% | Added |
| Holocene Advisors, LP | 192,879 | $20.6M | 0.05% | +192,879 | New |
| Jane Street Group, LLC | 193,528 | $20.6M | 0.01% | +182,127+1,597.5% | Added |
| Tudor Investment Corp Et Al | 195,391 | $20.8M | 0.09% | +195,391 | New |
| USS Investment Management Ltd | 196,253 | $20.9M | 0.08% | +196,253 | New |
| Longaeva Partners L.P. | 201,226 | $21.5M | 0.62% | +201,226 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 212,676 | $22.7M | 0.04% | +166,446+360.0% | Added |
| DnB Asset Management AS | 213,259 | $22.7M | 0.06% | +160,089+301.1% | Added |
| Assenagon Asset Management S.A. | 218,270 | $23.3M | 0.03% | +155,011+245.0% | Added |
| Nomura Asset Management International Inc. | 219,123 | $23.4M | 0.04% | −924,616−80.8% | Reduced |
| ADAR1 Capital Management, LLC | 228,520 | $24.4M | 1.15% | +193,128+545.7% | Added |
| Trails Edge Capital Partners, LP | 230,331 | $24.6M | 3.90% | +230,331 | New |
| Caption Management, LLC | 236,000 | $25.2M | 0.89% | +236,000 | New |
| TD Asset Management Inc | 240,182 | $25.6M | 0.02% | +76,758+47.0% | Added |
| Vestal Point Capital, LP | 250,000 | $26.7M | 0.62% | +250,000 | New |
| California Public Employees Retirement System | 250,350 | $26.7M | 0.02% | −94,262−27.4% | Reduced |
| Wells Fargo & Company | 259,852 | $27.7M | 0.00% | −337,532−56.5% | Reduced |
| C WorldWide Group Holding A/S | 261,110 | $27.8M | 0.67% | +100,000+62.1% | Added |
| First Turn Management, LLC | 263,851 | $28.1M | 3.01% | +15,376+6.2% | Added |
| Rhumbline Advisers | 272,715 | $29.1M | 0.02% | +1000.0% | Added |
| HSBC Holdings PLC | 279,961 | $29.9M | 0.01% | +163,505+140.4% | Added |
| Defilade Capital Management, L.P. | 281,838 | $30.0M | 4.02% | +86,929+44.6% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 289,594 | $30.9M | 0.02% | +34,347+13.5% | Added |
| Schroder Investment Management Group | 298,372 | $31.8M | 0.02% | +178,414+148.7% | Added |
| New York State Common Retirement Fund | 304,236 | $32.4M | 0.04% | +10,690+3.6% | Added |
| California State Teachers Retirement System | 304,798 | $32.5M | 0.03% | +1,616+0.5% | Added |
| Victory Capital Management Inc | 306,651 | $32.7M | 0.02% | −89,594−22.6% | Reduced |
| Envestnet Asset Management Inc | 336,997 | $35.9M | 0.01% | +37,072+12.4% | Added |
| Rock Springs Capital Management LP | 362,150 | $38.6M | 1.88% | +47,850+15.2% | Added |
| Gateway Investment Advisers LLC | 365,000 | $38.9M | 0.38% | 00.0% | Unchanged |
| Invesco Ltd. | 368,261 | $39.3M | 0.00% | −6,144,628−94.3% | Reduced |
| Prosight Management, LP | 375,609 | $40.0M | 6.90% | +375,609 | New |
| Neuberger Berman Group LLC | 378,816 | $40.4M | 0.03% | +108,116+39.9% | Added |
| Eagle Health Investments LP | 384,130 | $41.0M | 6.79% | +159,859+71.3% | Added |
| BNP Paribas Arbitrage, SA | 400,765 | $42.7M | 0.02% | −203,835−33.7% | Reduced |
| Dimensional Fund Advisors LP | 408,388 | $43.5M | 0.01% | +7,488+1.9% | Added |
| Palo Alto Investors LP | 413,980 | $44.1M | 6.10% | −1,289−0.3% | Reduced |
| Vanguard Asset Management, Ltd | 416,108 | $44.4M | 0.03% | +56,033+15.6% | Added |
| Royal Bank of Canada | 416,487 | $44.4M | 0.01% | −106,614−20.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 437,713 | $46.7M | 0.03% | −63,569−12.7% | Reduced |
| Bridgewater Associates, LP | 455,392 | $48.6M | 0.20% | +159,813+54.1% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 475,307 | $50.7M | 0.05% | +7,554+1.6% | Added |
| Amundi | 487,525 | $52.0M | 0.01% | −317,452−39.4% | Reduced |
| Marshall Wace, LLP | 501,930 | $53.5M | 0.05% | +189,365+60.6% | Added |
| Long Focus Capital Management, LLC | 528,000 | $56.3M | 2.30% | +383,000+264.1% | Added |
| Point72 Asset Management, L.P. | 536,997 | $57.3M | 0.09% | +536,997 | New |
| Wellington Management Group LLP | 543,893 | $58.0M | 0.01% | +144,849+36.3% | Added |
| Candriam Luxembourg S.C.A. | 555,131 | $59.1M | 0.27% | +153,396+38.2% | Added |
| Davern Capital Partners, LP | 559,824 | $59.7M | 10.18% | +377,262+206.6% | Added |
| Standard Life Aberdeen plc | 577,437 | $61.6M | 0.09% | +300,421+108.4% | Added |
| Eventide Asset Management, LLC | 583,665 | $62.2M | 0.83% | +37,355+6.8% | Added |
| Artia Global Partners LP | 589,052 | $62.8M | 11.94% | −39,660−6.3% | Reduced |
| Nuveen, LLC | 591,844 | $63.1M | 0.02% | +57,094+10.7% | Added |
| Swiss National Bank | 593,512 | $63.3M | 0.03% | −32,400−5.2% | Reduced |
| Railway Pension Investments Ltd | 604,700 | $64.5M | 0.81% | +604,700 | New |
| AQR Capital Management LLC | 612,832 | $65.3M | 0.02% | −62,653−9.3% | Reduced |