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, Q1 2024
Institutional positions in INSMED Inc as of Mar 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
- 288
- +18 vs. Q4 2023
- Shares held
- 150.0M
- +597.0K (+0.4%) vs. Q4 2023
- Total value
- $4.07B
- −$561.4M (−12.1%) vs. Q4 2023
- New holders
- 47
- 97 more added
- Sold out
- 29
- 97 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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, Q1 2024
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BNP Paribas Arbitrage, SA | 239,984 | $6.51M | 0.01% | +18,412+8.3% | Added |
| Adage Capital Partners GP, L.L.C. | 250,000 | $6.78M | 0.01% | −350,000−58.3% | Reduced |
| Soleus Capital Management, L.P. | 250,000 | $6.78M | 0.60% | +82,900+49.6% | Added |
| Ally Bridge Group (NY) LLC | 250,000 | $6.78M | 3.77% | +250,000 | New |
| Polar Capital Holdings Plc | 251,700 | $6.83M | 0.04% | −252,575−50.1% | Reduced |
| Deutsche Bank AG | 254,560 | $6.91M | 0.00% | +90,328+55.0% | Added |
| Swiss National Bank | 268,400 | $7.28M | 0.01% | −800−0.3% | Reduced |
| Jane Street Group, LLC | 270,973 | $7.35M | 0.01% | +157,999+139.9% | Added |
| Scout Investments, Inc. | 275,670 | $7.37M | 0.18% | −17,527−6.0% | Reduced |
| StemPoint Capital LP | 272,448 | $7.39M | 1.97% | +98,869+57.0% | Added |
| Millennium Management LLC | 276,618 | $7.50M | 0.01% | −1,328,383−82.8% | Reduced |
| First Light Asset Management, LLC | 282,766 | $7.67M | 0.59% | −363,291−56.2% | Reduced |
| AXA S.A. | 288,599 | $7.83M | 0.02% | −63,447−18.0% | Reduced |
| JPMorgan Chase & Co | 289,531 | $7.85M | 0.00% | −92,963−24.3% | Reduced |
| Peregrine Capital Management LLC | 290,174 | $7.87M | 0.23% | +860.0% | Added |
| WCM Investment Management, LLC | 320,001 | $8.68M | 0.02% | +24,673+8.4% | Added |
| Bleichroeder LP | 325,000 | $8.82M | 2.20% | 00.0% | Unchanged |
| Citigroup Inc | 326,566 | $8.86M | 0.01% | +183,285+127.9% | Added |
| Rafferty Asset Management, LLC | 329,635 | $8.94M | 0.03% | +8,548+2.7% | Added |
| Ensign Peak Advisors, Inc | 341,574 | $9.27M | 0.02% | +271,564+387.9% | Added |
| Baker Bros. Advisors LP | 343,000 | $9.31M | 0.12% | 00.0% | Unchanged |
| C WorldWide Group Holding A/S | 343,110 | $9.31M | 0.11% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 369,918 | $10.0M | 0.08% | +290,544+366.0% | Added |
| UBS Group AG | 381,063 | $10.3M | 0.00% | +80,882+26.9% | Added |
| Candriam Luxembourg S.C.A. | 390,200 | $10.6M | 0.07% | +80,000+25.8% | Added |
| UBS Asset Management Americas Inc | 407,025 | $11.0M | 0.00% | −545−0.1% | Reduced |
| TD Asset Management Inc | 427,178 | $11.6M | 0.01% | −36,354−7.8% | Reduced |
| Long Focus Capital Management, LLC | 431,649 | $11.7M | 1.35% | +60,000+16.1% | Added |
| Balyasny Asset Management LLC | 450,394 | $12.2M | 0.03% | −493,037−52.3% | Reduced |
| Kingdon Capital Management, L.L.C. | 455,000 | $12.3M | 1.63% | +50,000+12.3% | Added |
| Two Sigma Investments, LP | 460,173 | $12.5M | 0.03% | +107,561+30.5% | Added |
| Voya Investment Management LLC | 472,006 | $12.8M | 0.01% | −32,231−6.4% | Reduced |
| Emerald Mutual Fund Advisers Trust | 484,714 | $13.2M | 0.68% | −263,630−35.2% | Reduced |
| Panagora Asset Management Inc | 514,829 | $14.0M | 0.07% | +85,826+20.0% | Added |
| Eagle Asset Management Inc | 524,372 | $14.0M | 0.07% | −24,261−4.4% | Reduced |
| MPM Oncology Impact Management LP | 530,794 | $14.4M | 2.32% | +2,644+0.5% | Added |
| Nuveen Asset Management, LLC | 537,231 | $14.6M | 0.00% | +160,016+42.4% | Added |
| Cormorant Asset Management, LP | 575,000 | $15.6M | 0.69% | 00.0% | Unchanged |
| Samlyn Capital, LLC | 587,634 | $15.9M | 0.28% | −699,234−54.3% | Reduced |
| Hudson Bay Capital Management LP | 626,810 | $17.0M | 0.15% | +159,310+34.1% | Added |
| Emerald Advisers, LLC | 630,179 | $17.1M | 0.69% | −300,670−32.3% | Reduced |
| Eventide Asset Management, LLC | 635,185 | $17.2M | 0.27% | 00.0% | Unchanged |
| American Century Companies Inc | 702,624 | $19.1M | 0.01% | +40,424+6.1% | Added |
| Two Sigma Advisers, LP | 716,400 | $19.4M | 0.05% | +87,200+13.9% | Added |
| FIL Ltd | 720,245 | $19.5M | 0.02% | +28,814+4.2% | Added |
| Frontier Capital Management Co LLC | 747,331 | $20.3M | 0.19% | +747,331 | New |
| Vestal Point Capital, LP | 750,000 | $20.3M | 1.68% | −150,000−16.7% | Reduced |
| Goldman Sachs Group Inc | 753,610 | $20.4M | 0.00% | −8,162−1.1% | Reduced |
| Great Point Partners LLC | 775,585 | $21.0M | 3.28% | +549,673+243.3% | Added |
| Citadel Advisors LLC | 927,563 | $25.2M | 0.02% | −118,651−11.3% | Reduced |
| Clearbridge Investments, LLC | 930,409 | $25.2M | 0.02% | +930,409 | New |
| Morgan Stanley | 939,603 | $25.5M | 0.00% | −595,144−38.8% | Reduced |
| Hood River Capital Management LLC | 962,501 | $26.1M | 0.58% | +56,682+6.3% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 972,313 | $26.4M | 0.07% | +76,367+8.5% | Added |
| Bank of America Corp | 996,128 | $27.0M | 0.00% | −47,703−4.6% | Reduced |
| Charles Schwab Investment Management Inc | 1,126,767 | $30.6M | 0.01% | −1,669−0.1% | Reduced |
| Octagon Capital Advisors LP | 1,140,000 | $30.9M | 3.76% | −144,000−11.2% | Reduced |
| Assenagon Asset Management S.A. | 1,211,560 | $32.9M | 0.09% | +927,040+325.8% | Added |
| GW&K Investment Management, LLC | 1,269,898 | $34.5M | 0.30% | −21,874−1.7% | Reduced |
| Integral Health Asset Management, LLC | 1,300,000 | $35.3M | 3.46% | +950,000+271.4% | Added |
| Marshall Wace, LLP | 1,330,048 | $36.1M | 0.06% | −109,721−7.6% | Reduced |
| Northern Trust Corp | 1,336,797 | $36.3M | 0.01% | −35,448−2.6% | Reduced |
| Novo Holdings A/S | 1,339,304 | $36.3M | 2.51% | 00.0% | Unchanged |
| First Trust Advisors LP | 1,437,174 | $39.0M | 0.04% | +1,341,242+1,398.1% | Added |
| Principal Financial Group Inc | 1,439,280 | $39.0M | 0.02% | +79,717+5.9% | Added |
| Loomis Sayles & Co L P | 1,491,794 | $40.5M | 0.06% | −839,711−36.0% | Reduced |
| Pictet Asset Management Holding SA | 1,530,008 | $41.5M | 0.05% | −431,793−22.0% | Reduced |
| Norges Bank | 1,588,541 | $43.1M | 0.01% | +135,516+9.3% | Added |
| Capital International Investors | 1,620,814 | $44.0M | 0.01% | +1,620,814 | New |
| RTW Investments, LP | 1,865,108 | $50.6M | 0.75% | 00.0% | Unchanged |
| Suvretta Capital Management, LLC | 2,023,000 | $54.9M | 2.32% | −661,487−24.6% | Reduced |
| Bank of New York Mellon Corp | 2,051,311 | $55.7M | 0.01% | −305,551−13.0% | Reduced |
| Bellevue Group AG | 2,141,843 | $58.1M | 0.89% | −149,115−6.5% | Reduced |
| Alliancebernstein L.P. | 2,146,479 | $58.2M | 0.02% | −1,423−0.1% | Reduced |
| Janus Henderson Group PLC | 2,229,463 | $60.5M | 0.03% | +826,372+58.9% | Added |
| Ameriprise Financial Inc | 2,735,338 | $74.2M | 0.02% | +452,847+19.8% | Added |
| Geode Capital Management, LLC | 3,163,751 | $85.8M | 0.01% | +94,373+3.1% | Added |
| T. Rowe Price Investment Management, Inc. | 3,451,580 | $93.6M | 0.06% | −2,399,026−41.0% | Reduced |
| Franklin Resources Inc | 3,567,013 | $96.8M | 0.03% | +170,286+5.0% | Added |
| Macquarie Group Ltd | 3,899,504 | $105.8M | 0.12% | −751,988−16.2% | Reduced |
| William Blair Investment Management, LLC | 4,214,719 | $114.3M | 0.30% | −41,968−1.0% | Reduced |
| Palo Alto Investors LP | 4,423,369 | $120.0M | 13.53% | −1,088,352−19.7% | Reduced |
| Deep Track Capital, LP | 4,783,679 | $129.8M | 3.73% | −566,321−10.6% | Reduced |
| State Street Corp | 5,905,127 | $160.2M | 0.01% | −24,806−0.4% | Reduced |
| FMR LLC | 9,318,894 | $252.8M | 0.02% | +4,227,280+83.0% | Added |
| Price T Rowe Associates Inc | 10,769,366 | $292.2M | 0.04% | +5,595+0.1% | Added |
| BlackRock Inc. | 11,799,701 | $320.1M | 0.01% | +307,419+2.7% | Added |
| Vanguard Group Inc | 14,509,235 | $393.6M | 0.01% | +383,714+2.7% | Added |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −1,614,862−100.0% | Sold out |
| Summit Partners Public Asset Management, LLC | 0 | $0 | 0.00% | −338,491−100.0% | Sold out |
| Tang Capital Management LLC | 0 | $0 | 0.00% | −166,203−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −132,979−100.0% | Sold out |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 0 | $0 | 0.00% | −125,000−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −96,777−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −78,325−100.0% | Sold out |
| Dimensional Fund Advisors LP | 0 | $0 | 0.00% | −73,073−100.0% | Sold out |
| Weiss Multi-Strategy Advisers LLC | 0 | $0 | 0.00% | −70,000−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −68,984−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −56,568−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −54,928−100.0% | Sold out |