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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 14,509,235 | $393.6M | 0.01% | +383,714+2.7% | Added |
| BlackRock Inc. | 11,799,701 | $320.1M | 0.01% | +307,419+2.7% | Added |
| Price T Rowe Associates Inc | 10,769,366 | $292.2M | 0.04% | +5,595+0.1% | Added |
| FMR LLC | 9,318,894 | $252.8M | 0.02% | +4,227,280+83.0% | Added |
| State Street Corp | 5,905,127 | $160.2M | 0.01% | −24,806−0.4% | Reduced |
| Deep Track Capital, LP | 4,783,679 | $129.8M | 3.73% | −566,321−10.6% | Reduced |
| Palo Alto Investors LP | 4,423,369 | $120.0M | 13.53% | −1,088,352−19.7% | Reduced |
| William Blair Investment Management, LLC | 4,214,719 | $114.3M | 0.30% | −41,968−1.0% | Reduced |
| Macquarie Group Ltd | 3,899,504 | $105.8M | 0.12% | −751,988−16.2% | Reduced |
| Franklin Resources Inc | 3,567,013 | $96.8M | 0.03% | +170,286+5.0% | Added |
| T. Rowe Price Investment Management, Inc. | 3,451,580 | $93.6M | 0.06% | −2,399,026−41.0% | Reduced |
| Geode Capital Management, LLC | 3,163,751 | $85.8M | 0.01% | +94,373+3.1% | Added |
| Ameriprise Financial Inc | 2,735,338 | $74.2M | 0.02% | +452,847+19.8% | Added |
| Janus Henderson Group PLC | 2,229,463 | $60.5M | 0.03% | +826,372+58.9% | Added |
| Alliancebernstein L.P. | 2,146,479 | $58.2M | 0.02% | −1,423−0.1% | Reduced |
| Bellevue Group AG | 2,141,843 | $58.1M | 0.89% | −149,115−6.5% | Reduced |
| Bank of New York Mellon Corp | 2,051,311 | $55.7M | 0.01% | −305,551−13.0% | Reduced |
| Suvretta Capital Management, LLC | 2,023,000 | $54.9M | 2.32% | −661,487−24.6% | Reduced |
| RTW Investments, LP | 1,865,108 | $50.6M | 0.75% | 00.0% | Unchanged |
| Capital International Investors | 1,620,814 | $44.0M | 0.01% | +1,620,814 | New |
| Norges Bank | 1,588,541 | $43.1M | 0.01% | +135,516+9.3% | Added |
| Pictet Asset Management Holding SA | 1,530,008 | $41.5M | 0.05% | −431,793−22.0% | Reduced |
| Loomis Sayles & Co L P | 1,491,794 | $40.5M | 0.06% | −839,711−36.0% | Reduced |
| Principal Financial Group Inc | 1,439,280 | $39.0M | 0.02% | +79,717+5.9% | Added |
| First Trust Advisors LP | 1,437,174 | $39.0M | 0.04% | +1,341,242+1,398.1% | Added |
| Novo Holdings A/S | 1,339,304 | $36.3M | 2.51% | 00.0% | Unchanged |
| Northern Trust Corp | 1,336,797 | $36.3M | 0.01% | −35,448−2.6% | Reduced |
| Marshall Wace, LLP | 1,330,048 | $36.1M | 0.06% | −109,721−7.6% | Reduced |
| Integral Health Asset Management, LLC | 1,300,000 | $35.3M | 3.46% | +950,000+271.4% | Added |
| GW&K Investment Management, LLC | 1,269,898 | $34.5M | 0.30% | −21,874−1.7% | Reduced |
| Assenagon Asset Management S.A. | 1,211,560 | $32.9M | 0.09% | +927,040+325.8% | Added |
| Octagon Capital Advisors LP | 1,140,000 | $30.9M | 3.76% | −144,000−11.2% | Reduced |
| Charles Schwab Investment Management Inc | 1,126,767 | $30.6M | 0.01% | −1,669−0.1% | Reduced |
| Bank of America Corp | 996,128 | $27.0M | 0.00% | −47,703−4.6% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 972,313 | $26.4M | 0.07% | +76,367+8.5% | Added |
| Hood River Capital Management LLC | 962,501 | $26.1M | 0.58% | +56,682+6.3% | Added |
| Morgan Stanley | 939,603 | $25.5M | 0.00% | −595,144−38.8% | Reduced |
| Clearbridge Investments, LLC | 930,409 | $25.2M | 0.02% | +930,409 | New |
| Citadel Advisors LLC | 927,563 | $25.2M | 0.02% | −118,651−11.3% | Reduced |
| Great Point Partners LLC | 775,585 | $21.0M | 3.28% | +549,673+243.3% | Added |
| Goldman Sachs Group Inc | 753,610 | $20.4M | 0.00% | −8,162−1.1% | Reduced |
| Vestal Point Capital, LP | 750,000 | $20.3M | 1.68% | −150,000−16.7% | Reduced |
| Frontier Capital Management Co LLC | 747,331 | $20.3M | 0.19% | +747,331 | New |
| FIL Ltd | 720,245 | $19.5M | 0.02% | +28,814+4.2% | Added |
| Two Sigma Advisers, LP | 716,400 | $19.4M | 0.05% | +87,200+13.9% | Added |
| American Century Companies Inc | 702,624 | $19.1M | 0.01% | +40,424+6.1% | Added |
| Eventide Asset Management, LLC | 635,185 | $17.2M | 0.27% | 00.0% | Unchanged |
| Emerald Advisers, LLC | 630,179 | $17.1M | 0.69% | −300,670−32.3% | Reduced |
| Hudson Bay Capital Management LP | 626,810 | $17.0M | 0.15% | +159,310+34.1% | Added |
| Samlyn Capital, LLC | 587,634 | $15.9M | 0.28% | −699,234−54.3% | Reduced |
| Cormorant Asset Management, LP | 575,000 | $15.6M | 0.69% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 537,231 | $14.6M | 0.00% | +160,016+42.4% | Added |
| MPM Oncology Impact Management LP | 530,794 | $14.4M | 2.32% | +2,644+0.5% | Added |
| Eagle Asset Management Inc | 524,372 | $14.0M | 0.07% | −24,261−4.4% | Reduced |
| Panagora Asset Management Inc | 514,829 | $14.0M | 0.07% | +85,826+20.0% | Added |
| Emerald Mutual Fund Advisers Trust | 484,714 | $13.2M | 0.68% | −263,630−35.2% | Reduced |
| Voya Investment Management LLC | 472,006 | $12.8M | 0.01% | −32,231−6.4% | Reduced |
| Two Sigma Investments, LP | 460,173 | $12.5M | 0.03% | +107,561+30.5% | Added |
| Kingdon Capital Management, L.L.C. | 455,000 | $12.3M | 1.63% | +50,000+12.3% | Added |
| Balyasny Asset Management LLC | 450,394 | $12.2M | 0.03% | −493,037−52.3% | Reduced |
| Long Focus Capital Management, LLC | 431,649 | $11.7M | 1.35% | +60,000+16.1% | Added |
| TD Asset Management Inc | 427,178 | $11.6M | 0.01% | −36,354−7.8% | Reduced |
| UBS Asset Management Americas Inc | 407,025 | $11.0M | 0.00% | −545−0.1% | Reduced |
| Candriam Luxembourg S.C.A. | 390,200 | $10.6M | 0.07% | +80,000+25.8% | Added |
| UBS Group AG | 381,063 | $10.3M | 0.00% | +80,882+26.9% | Added |
| Schonfeld Strategic Advisors LLC | 369,918 | $10.0M | 0.08% | +290,544+366.0% | Added |
| C WorldWide Group Holding A/S | 343,110 | $9.31M | 0.11% | 00.0% | Unchanged |
| Baker Bros. Advisors LP | 343,000 | $9.31M | 0.12% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 341,574 | $9.27M | 0.02% | +271,564+387.9% | Added |
| Rafferty Asset Management, LLC | 329,635 | $8.94M | 0.03% | +8,548+2.7% | Added |
| Citigroup Inc | 326,566 | $8.86M | 0.01% | +183,285+127.9% | Added |
| Bleichroeder LP | 325,000 | $8.82M | 2.20% | 00.0% | Unchanged |
| WCM Investment Management, LLC | 320,001 | $8.68M | 0.02% | +24,673+8.4% | Added |
| Peregrine Capital Management LLC | 290,174 | $7.87M | 0.23% | +860.0% | Added |
| JPMorgan Chase & Co | 289,531 | $7.85M | 0.00% | −92,963−24.3% | Reduced |
| AXA S.A. | 288,599 | $7.83M | 0.02% | −63,447−18.0% | Reduced |
| First Light Asset Management, LLC | 282,766 | $7.67M | 0.59% | −363,291−56.2% | Reduced |
| Millennium Management LLC | 276,618 | $7.50M | 0.01% | −1,328,383−82.8% | Reduced |
| StemPoint Capital LP | 272,448 | $7.39M | 1.97% | +98,869+57.0% | Added |
| Scout Investments, Inc. | 275,670 | $7.37M | 0.18% | −17,527−6.0% | Reduced |
| Jane Street Group, LLC | 270,973 | $7.35M | 0.01% | +157,999+139.9% | Added |
| Swiss National Bank | 268,400 | $7.28M | 0.01% | −800−0.3% | Reduced |
| Deutsche Bank AG | 254,560 | $6.91M | 0.00% | +90,328+55.0% | Added |
| Polar Capital Holdings Plc | 251,700 | $6.83M | 0.04% | −252,575−50.1% | Reduced |
| 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 |
| BNP Paribas Arbitrage, SA | 239,984 | $6.51M | 0.01% | +18,412+8.3% | Added |
| Manufacturers Life Insurance Company, The | 232,681 | $6.31M | 0.01% | +20,646+9.7% | Added |
| Barclays PLC | 227,936 | $6.18M | 0.00% | −106,593−31.9% | Reduced |
| Cutter Capital Management, LP | 227,337 | $6.17M | 2.38% | −186,162−45.0% | Reduced |
| Rhumbline Advisers | 207,662 | $5.63M | 0.01% | +3,966+1.9% | Added |
| Alyeska Investment Group, L.P. | 200,000 | $5.43M | 0.03% | +200,000 | New |
| Walleye Capital LLC | 191,142 | $5.19M | 0.06% | +72,731+61.4% | Added |
| California Public Employees Retirement System | 190,717 | $5.17M | 0.00% | −588−0.3% | Reduced |
| Rice Hall James & Associates, LLC | 179,332 | $4.87M | 0.28% | −41,938−19.0% | Reduced |
| D. E. Shaw & Co., Inc. | 174,022 | $4.72M | 0.01% | −472,885−73.1% | Reduced |
| Neuberger Berman Group LLC | 170,917 | $4.64M | 0.00% | +1,989+1.2% | Added |
| Invesco Ltd. | 167,563 | $4.55M | 0.00% | +66,039+65.0% | Added |
| Susquehanna Fundamental Investments, LLC | 166,409 | $4.51M | 0.21% | +166,409 | New |