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 2023
Institutional positions in INSMED Inc as of Dec 31, 2023. 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
- 271
- +23 vs. Q3 2023
- Shares held
- 149.8M
- +2.46M (+1.7%) vs. Q3 2023
- Total value
- $4.64B
- +$921.8M (+24.8%) vs. Q3 2023
- New holders
- 48
- 91 more added
- Sold out
- 25
- 88 more reduced
4 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Barclays PLC | 334,529 | $10.4M | 0.01% | +162,728+94.7% | Added |
| Summit Partners Public Asset Management, LLC | 338,491 | $10.5M | 0.57% | +338,491 | New |
| Baker Bros. Advisors LP | 343,000 | $10.6M | 0.12% | 00.0% | Unchanged |
| C WorldWide Group Holding A/S | 343,110 | $10.6M | 0.14% | 00.0% | Unchanged |
| Integral Health Asset Management, LLC | 350,000 | $10.8M | 1.57% | +350,000 | New |
| AXA S.A. | 352,046 | $10.9M | 0.04% | −8,515−2.4% | Reduced |
| Two Sigma Investments, LP | 352,612 | $10.9M | 0.03% | −241,548−40.7% | Reduced |
| Long Focus Capital Management, LLC | 371,649 | $11.5M | 1.49% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 377,215 | $11.7M | 0.00% | +28,449+8.2% | Added |
| JPMorgan Chase & Co | 382,494 | $11.9M | 0.00% | −25,471−6.2% | Reduced |
| Putnam Investments LLC | 387,674 | $12.0M | 0.02% | +387,674 | New |
| Kingdon Capital Management, L.L.C. | 405,000 | $12.6M | 2.39% | +405,000 | New |
| UBS Asset Management Americas Inc | 407,570 | $12.6M | 0.00% | +43,940+12.1% | Added |
| Cutter Capital Management, LP | 413,499 | $12.8M | 6.13% | +413,499 | New |
| Panagora Asset Management Inc | 429,003 | $13.3M | 0.07% | −3,576−0.8% | Reduced |
| TD Asset Management Inc | 463,532 | $14.4M | 0.01% | −59,600−11.4% | Reduced |
| Hudson Bay Capital Management LP | 467,500 | $14.5M | 0.13% | −380,000−44.8% | Reduced |
| Voya Investment Management LLC | 504,237 | $15.6M | 0.02% | +7,344+1.5% | Added |
| Polar Capital Holdings Plc | 504,275 | $15.6M | 0.11% | −357,125−41.5% | Reduced |
| MPM Oncology Impact Management LP | 528,150 | $16.4M | 3.83% | +692+0.1% | Added |
| Eagle Asset Management Inc | 548,633 | $17.0M | 0.09% | +29,555+5.7% | Added |
| Cormorant Asset Management, LP | 575,000 | $17.8M | 0.85% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 600,000 | $18.6M | 0.04% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 629,200 | $19.5M | 0.05% | −196,200−23.8% | Reduced |
| Eventide Asset Management, LLC | 635,185 | $19.7M | 0.32% | 00.0% | Unchanged |
| First Light Asset Management, LLC | 646,057 | $20.0M | 1.61% | +2,469+0.4% | Added |
| D. E. Shaw & Co., Inc. | 646,907 | $20.0M | 0.03% | +450,180+228.8% | Added |
| American Century Companies Inc | 662,200 | $20.5M | 0.01% | +47,674+7.8% | Added |
| FIL Ltd | 691,431 | $21.4M | 0.02% | −139,771−16.8% | Reduced |
| Emerald Mutual Fund Advisers Trust | 748,344 | $23.2M | 1.23% | +3,611+0.5% | Added |
| Goldman Sachs Group Inc | 761,772 | $23.6M | 0.01% | −101,746−11.8% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 895,946 | $27.8M | 0.08% | +39,748+4.6% | Added |
| Vestal Point Capital, LP | 900,000 | $27.9M | 2.95% | +900,000 | New |
| Hood River Capital Management LLC | 905,819 | $28.1M | 0.77% | +905,819 | New |
| Emerald Advisers, LLC | 930,849 | $28.8M | 1.23% | −6,667−0.7% | Reduced |
| Balyasny Asset Management LLC | 943,431 | $29.2M | 0.08% | +862,055+1,059.3% | Added |
| Bank of America Corp | 1,043,831 | $32.3M | 0.00% | −165,195−13.7% | Reduced |
| Citadel Advisors LLC | 1,046,214 | $32.4M | 0.03% | +466,832+80.6% | Added |
| Charles Schwab Investment Management Inc | 1,128,436 | $35.0M | 0.01% | +28,629+2.6% | Added |
| Octagon Capital Advisors LP | 1,284,000 | $39.8M | 6.37% | 00.0% | Unchanged |
| Samlyn Capital, LLC | 1,286,868 | $39.9M | 0.87% | −94,189−6.8% | Reduced |
| GW&K Investment Management, LLC | 1,291,772 | $40.0M | 0.37% | −60,497−4.5% | Reduced |
| Novo Holdings A/S | 1,339,304 | $41.5M | 2.77% | 00.0% | Unchanged |
| Principal Financial Group Inc | 1,359,563 | $42.1M | 0.03% | +69,281+5.4% | Added |
| Northern Trust Corp | 1,372,245 | $42.5M | 0.01% | +25,813+1.9% | Added |
| Janus Henderson Group PLC | 1,403,091 | $43.5M | 0.03% | −511,711−26.7% | Reduced |
| Marshall Wace, LLP | 1,439,769 | $44.6M | 0.09% | +874,006+154.5% | Added |
| Norges Bank | 1,453,025 | $45.0M | 0.01% | +260,576+21.9% | Added |
| Morgan Stanley | 1,534,747 | $47.6M | 0.00% | +856,021+126.1% | Added |
| Millennium Management LLC | 1,605,001 | $49.7M | 0.05% | −569,828−26.2% | Reduced |
| Holocene Advisors, LP | 1,614,862 | $50.0M | 0.20% | −193,626−10.7% | Reduced |
| RTW Investments, LP | 1,865,108 | $57.8M | 0.90% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 1,961,801 | $60.8M | 0.07% | −451,637−18.7% | Reduced |
| Alliancebernstein L.P. | 2,147,902 | $66.6M | 0.03% | −146,894−6.4% | Reduced |
| Ameriprise Financial Inc | 2,282,491 | $70.7M | 0.02% | +405,778+21.6% | Added |
| Bellevue Group AG | 2,290,958 | $71.0M | 1.09% | −871,777−27.6% | Reduced |
| Loomis Sayles & Co L P | 2,331,505 | $72.3M | 0.11% | −51,534−2.2% | Reduced |
| Bank of New York Mellon Corp | 2,356,862 | $73.0M | 0.01% | −174,857−6.9% | Reduced |
| Suvretta Capital Management, LLC | 2,684,487 | $83.2M | 3.80% | −761,847−22.1% | Reduced |
| Geode Capital Management, LLC | 3,069,378 | $95.1M | 0.01% | +195,681+6.8% | Added |
| Franklin Resources Inc | 3,396,727 | $105.3M | 0.05% | −15,110−0.4% | Reduced |
| William Blair Investment Management, LLC | 4,256,687 | $131.9M | 0.38% | +14,752+0.3% | Added |
| Macquarie Group Ltd | 4,651,492 | $144.2M | 0.17% | −2,2800.0% | Reduced |
| FMR LLC | 5,091,614 | $157.8M | 0.01% | +786,660+18.3% | Added |
| Deep Track Capital, LP | 5,350,000 | $165.8M | 5.81% | −650,000−10.8% | Reduced |
| Palo Alto Investors LP | 5,511,721 | $170.8M | 15.39% | −377,770−6.4% | Reduced |
| T. Rowe Price Investment Management, Inc. | 5,850,606 | $181.3M | 0.12% | −2,474,278−29.7% | Reduced |
| State Street Corp | 5,929,933 | $183.8M | 0.01% | +875,550+17.3% | Added |
| Price T Rowe Associates Inc | 10,763,771 | $333.6M | 0.04% | +356,555+3.4% | Added |
| BlackRock Inc. | 11,492,282 | $356.1M | 0.01% | +1,101,592+10.6% | Added |
| Vanguard Group Inc | 14,125,521 | $437.7M | 0.01% | −219,991−1.5% | Reduced |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −154,900−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −106,160−100.0% | Sold out |
| AlphaCentric Advisors LLC | 0 | $0 | 0.00% | −80,000−100.0% | Sold out |
| Endurant Capital Management LP | 0 | $0 | 0.00% | −79,471−100.0% | Sold out |
| Swedbank AB | 0 | $0 | 0.00% | −74,557−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −73,129−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −66,573−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Raymond James Financial Services Advisors, Inc. | 0 | $0 | 0.00% | −41,337−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −33,165−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −31,089−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −29,800−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −27,867−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −19,981−100.0% | Sold out |
| CI Private Wealth, LLC | 0 | $0 | 0.00% | −10,218−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −9,327−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −2,717−100.0% | Sold out |
| RVW Wealth, LLC | 0 | $0 | 0.00% | −2,099−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −1,600−100.0% | Sold out |
| Earnest Partners LLC | 0 | $0 | 0.00% | −1,130−100.0% | Sold out |
| Tradition Wealth Management, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Private Trust Co NA | 0 | $0 | 0.00% | −115−100.0% | Sold out |
| Newbridge Financial Services Group, Inc. | 0 | $0 | 0.00% | −79−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Tfo-TDC, LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| International Biotechnology Trust PLC | – | – | – | – | Not filed |
| Virginia Retirement Systems Et Al | – | – | – | – | Not filed |
| Quantamental Technologies LLC | – | – | – | – | Not filed |
| Steward Financial Group LLC | – | – | – | – | Not filed |