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 2023
Institutional positions in INSMED Inc as of Mar 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
- 230
- +6 vs. Q4 2022
- Shares held
- 145.5M
- +2.05M (+1.4%) vs. Q4 2022
- Total value
- $2.48B
- −$385.8M (−13.5%) vs. Q4 2022
- New holders
- 34
- 88 more added
- Sold out
- 28
- 72 more reduced
1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 13,363,311 | $227.8M | 0.01% | +322,480+2.5% | Added |
| BlackRock Inc. | 10,087,420 | $172.0M | 0.01% | −1,026,367−9.2% | Reduced |
| Price T Rowe Associates Inc | 9,982,064 | $170.2M | 0.03% | +4,1530.0% | Added |
| T. Rowe Price Investment Management, Inc. | 8,415,430 | $143.5M | 0.10% | +40,755+0.5% | Added |
| Deep Track Capital, LP | 6,500,000 | $110.8M | 4.71% | +2,235,708+52.4% | Added |
| State Street Corp | 6,325,205 | $107.8M | 0.01% | −561,482−8.2% | Reduced |
| Palo Alto Investors LP | 5,889,491 | $100.4M | 8.32% | +18,200+0.3% | Added |
| Macquarie Group Ltd | 4,052,364 | $69.1M | 0.08% | +401,559+11.0% | Added |
| Pictet Asset Management SA | 3,930,763 | $67.0M | 0.08% | −55,786−1.4% | Reduced |
| William Blair Investment Management, LLC | 3,706,678 | $63.2M | 0.22% | +316,513+9.3% | Added |
| FMR LLC | 3,587,000 | $61.2M | 0.01% | −181,407−4.8% | Reduced |
| Franklin Resources Inc | 3,507,176 | $59.8M | 0.03% | +8040.0% | Added |
| Bellevue Group AG | 3,293,102 | $56.1M | 0.81% | +15,895+0.5% | Added |
| Suvretta Capital Management, LLC | 2,932,138 | $50.0M | 2.41% | +411,237+16.3% | Added |
| Geode Capital Management, LLC | 2,625,675 | $44.8M | 0.01% | +129,286+5.2% | Added |
| Janus Henderson Group PLC | 2,561,169 | $43.7M | 0.03% | −435,083−14.5% | Reduced |
| Bank of New York Mellon Corp | 2,493,724 | $42.5M | 0.01% | +1,138,343+84.0% | Added |
| Alliancebernstein L.P. | 2,474,388 | $42.2M | 0.02% | −129,796−5.0% | Reduced |
| Holocene Advisors, LP | 2,215,147 | $37.8M | 0.19% | +76,280+3.6% | Added |
| Ameriprise Financial Inc | 2,004,917 | $34.2M | 0.01% | −995,384−33.2% | Reduced |
| Samlyn Capital, LLC | 1,977,556 | $33.7M | 0.62% | +39,261+2.0% | Added |
| Hudson Bay Capital Management LP | 1,737,500 | $29.6M | 0.32% | +340,000+24.3% | Added |
| Polar Capital Holdings Plc | 1,691,349 | $28.8M | 0.21% | +150,000+9.7% | Added |
| Loomis Sayles & Co L P | 1,628,518 | $27.8M | 0.05% | +401,418+32.7% | Added |
| Assenagon Asset Management S.A. | 1,407,339 | $24.0M | 0.09% | +359,175+34.3% | Added |
| Novo Holdings A/S | 1,339,304 | $22.8M | 1.63% | +499,304+59.4% | Added |
| GW&K Investment Management, LLC | 1,305,014 | $22.3M | 0.22% | +309,237+31.1% | Added |
| Northern Trust Corp | 1,303,482 | $22.2M | 0.00% | +2,637+0.2% | Added |
| Principal Financial Group Inc | 1,253,032 | $21.4M | 0.02% | −47,497−3.7% | Reduced |
| Norges Bank | 1,192,449 | $20.3M | 0.00% | −151,384−11.3% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,013,546 | $17.3M | 0.06% | +107,372+11.8% | Added |
| Citadel Advisors LLC | 1,012,202 | $17.3M | 0.02% | +486,609+92.6% | Added |
| Charles Schwab Investment Management Inc | 1,006,066 | $17.2M | 0.01% | −3910.0% | Reduced |
| Emerald Advisers, LLC | 990,782 | $16.9M | 0.81% | −4,131−0.4% | Reduced |
| Bank of America Corp | 984,420 | $16.8M | 0.00% | +297,959+43.4% | Added |
| Barclays PLC | 936,940 | $16.0M | 0.02% | −8,457−0.9% | Reduced |
| Candriam Luxembourg S.C.A. | 997,092 | $15.6M | 0.11% | −55,108−5.2% | Reduced |
| Eventide Asset Management, LLC | 912,103 | $15.6M | 0.29% | +213,690+30.6% | Added |
| Emerald Mutual Fund Advisers Trust | 835,624 | $14.2M | 0.84% | +88,478+11.8% | Added |
| Morgan Stanley | 787,481 | $13.4M | 0.00% | −189,459−19.4% | Reduced |
| AXA S.A. | 764,786 | $13.0M | 0.04% | −3,412−0.4% | Reduced |
| First Light Asset Management, LLC | 750,883 | $12.8M | 1.15% | +1,913+0.3% | Added |
| Deerfield Management Company, L.P. (Series C) | 658,546 | $11.2M | 0.25% | −5,600−0.8% | Reduced |
| American Century Companies Inc | 583,964 | $9.94M | 0.01% | −73,609−11.2% | Reduced |
| Goldman Sachs Group Inc | 561,796 | $9.58M | 0.00% | −469,100−45.5% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 516,374 | $8.80M | 0.05% | −9,905−1.9% | Reduced |
| Sectoral Asset Management Inc | 516,092 | $8.80M | 1.69% | 00.0% | Unchanged |
| Ikarian Capital, LLC | 485,000 | $8.27M | 3.43% | +485,000 | New |
| Two Sigma Investments, LP | 456,720 | $7.79M | 0.02% | +1,684+0.4% | Added |
| Two Sigma Advisers, LP | 449,000 | $7.66M | 0.02% | +140,000+45.3% | Added |
| Panagora Asset Management Inc | 448,581 | $7.65M | 0.05% | +34,862+8.4% | Added |
| FIL Ltd | 439,523 | $7.49M | 0.01% | +143,313+48.4% | Added |
| Voya Investment Management LLC | 431,372 | $7.35M | 0.01% | +136,359+46.2% | Added |
| MPM Oncology Impact Management LP | 399,192 | $6.81M | 1.77% | −11,271−2.7% | Reduced |
| Eagle Asset Management Inc | 396,368 | $6.76M | 0.04% | −314,897−44.3% | Reduced |
| BNP Paribas Arbitrage, SA | 379,595 | $6.47M | 0.01% | −150,626−28.4% | Reduced |
| Rafferty Asset Management, LLC | 378,248 | $6.45M | 0.04% | −58,554−13.4% | Reduced |
| Long Focus Capital Management, LLC | 361,649 | $6.17M | 0.99% | +36,649+11.3% | Added |
| Peregrine Capital Management LLC | 361,647 | $6.17M | 0.18% | +10,678+3.0% | Added |
| Nuveen Asset Management, LLC | 353,911 | $6.04M | 0.00% | −702,679−66.5% | Reduced |
| UBS Asset Management Americas Inc | 352,758 | $6.01M | 0.00% | −2,615−0.7% | Reduced |
| TD Asset Management Inc | 344,917 | $5.88M | 0.01% | −3,263−0.9% | Reduced |
| C WorldWide Group Holding A/S | 343,110 | $5.85M | 0.08% | 00.0% | Unchanged |
| Baker Bros. Advisors LP | 343,000 | $5.85M | 0.03% | +323,050+1,619.3% | Added |
| Citigroup Inc | 322,542 | $5.50M | 0.01% | +110,055+51.8% | Added |
| Scout Investments, Inc. | 315,545 | $5.38M | 0.11% | −3,591−1.1% | Reduced |
| Susquehanna International Group, LLP | 315,406 | $5.38M | 0.01% | +278,240+748.6% | Added |
| JPMorgan Chase & Co | 292,889 | $5.00M | 0.00% | −97,110−24.9% | Reduced |
| Swiss National Bank | 292,400 | $4.99M | 0.00% | −30,500−9.4% | Reduced |
| Granahan Investment Management Inc | 264,190 | $4.50M | 0.14% | +54,233+25.8% | Added |
| WCM Investment Management, LLC | 259,524 | $4.42M | 0.01% | −187−0.1% | Reduced |
| Twinbeech Capital LP | 248,667 | $4.24M | 0.09% | +248,667 | New |
| Millennium Management LLC | 247,991 | $4.23M | 0.00% | +247,991 | New |
| D. E. Shaw & Co., Inc. | 237,367 | $4.05M | 0.01% | −189,916−44.4% | Reduced |
| Rice Hall James & Associates, LLC | 231,052 | $3.94M | 0.22% | −16,537−6.7% | Reduced |
| Deutsche Bank AG | 230,150 | $3.92M | 0.00% | +58,115+33.8% | Added |
| Endurant Capital Management LP | 230,006 | $3.92M | 2.01% | −13,116−5.4% | Reduced |
| California Public Employees Retirement System | 229,598 | $3.91M | 0.00% | −6,805−2.9% | Reduced |
| UBS Oconnor LLC | 211,340 | $3.60M | 0.09% | +211,340 | New |
| Manufacturers Life Insurance Company, The | 204,865 | $3.49M | 0.00% | +206+0.1% | Added |
| Alyeska Investment Group, L.P. | 200,000 | $3.41M | 0.03% | +50,000+33.3% | Added |
| Rhumbline Advisers | 187,672 | $3.20M | 0.00% | +5,307+2.9% | Added |
| Putnam Investments LLC | 173,251 | $2.95M | 0.00% | −81,213−31.9% | Reduced |
| UBS Group AG | 172,705 | $2.94M | 0.00% | −134,193−43.7% | Reduced |
| California State Teachers Retirement System | 169,310 | $2.89M | 0.00% | −1,010−0.6% | Reduced |
| Tang Capital Management LLC | 166,203 | $2.83M | 0.42% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 163,160 | $2.78M | 0.01% | +163,160 | New |
| Neuberger Berman Group LLC | 148,808 | $2.54M | 0.00% | +11,245+8.2% | Added |
| Silverarc Capital Management, LLC | 143,794 | $2.45M | 1.10% | +19,329+15.5% | Added |
| Hennion & Walsh Asset Management, Inc. | 136,887 | $2.33M | 0.14% | +7,406+5.7% | Added |
| Legal & General Group Plc | 131,899 | $2.25M | 0.00% | +7,965+6.4% | Added |
| Weiss Multi-Strategy Advisers LLC | 127,765 | $2.18M | 0.05% | −14,667−10.3% | Reduced |
| State of Wisconsin Investment Board | 124,946 | $2.13M | 0.01% | −9,228−6.9% | Reduced |
| Swedbank AB | 121,257 | $2.07M | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 117,931 | $2.01M | 0.00% | +2,330+2.0% | Added |
| Wells Fargo & Company | 116,656 | $1.99M | 0.00% | +95,574+453.3% | Added |
| State of New Jersey Common Pension Fund D | 111,130 | $1.89M | 0.01% | −15,670−12.4% | Reduced |
| Mutual of America Capital Management LLC | 109,857 | $1.87M | 0.02% | −5,065−4.4% | Reduced |
| Invesco Ltd. | 103,936 | $1.77M | 0.00% | +10,015+10.7% | Added |
| Boothbay Fund Management, LLC | 97,339 | $1.66M | 0.05% | +97,339 | New |