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, Q3 2023
Institutional positions in INSMED Inc as of Sep 30, 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
- 252
- +31 vs. Q2 2023
- Shares held
- 147.4M
- +4.67M (+3.3%) vs. Q2 2023
- Total value
- $3.72B
- +$712.0M (+23.7%) vs. Q2 2023
- New holders
- 50
- 85 more added
- Sold out
- 19
- 76 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Eagle Asset Management Inc | 519,078 | $13.1M | 0.08% | −9,266−1.8% | Reduced |
| TD Asset Management Inc | 523,132 | $13.2M | 0.02% | +194,145+59.0% | Added |
| MPM Oncology Impact Management LP | 527,458 | $13.3M | 3.56% | −2,285−0.4% | Reduced |
| Marshall Wace, LLP | 565,763 | $14.3M | 0.03% | +119,549+26.8% | Added |
| Cormorant Asset Management, LP | 575,000 | $14.5M | 0.85% | +575,000 | New |
| Citadel Advisors LLC | 579,382 | $14.6M | 0.02% | +199,090+52.4% | Added |
| Two Sigma Investments, LP | 594,160 | $15.0M | 0.04% | +105,388+21.6% | Added |
| Adage Capital Partners GP, L.L.C. | 600,000 | $15.2M | 0.03% | +600,000 | New |
| American Century Companies Inc | 614,526 | $15.5M | 0.01% | +9,439+1.6% | Added |
| Eventide Asset Management, LLC | 635,185 | $16.0M | 0.29% | −276,918−30.4% | Reduced |
| First Light Asset Management, LLC | 643,588 | $16.3M | 1.54% | −2,098−0.3% | Reduced |
| Morgan Stanley | 678,726 | $17.1M | 0.00% | +253,242+59.5% | Added |
| Emerald Mutual Fund Advisers Trust | 744,733 | $18.8M | 1.13% | −90,563−10.8% | Reduced |
| Two Sigma Advisers, LP | 825,400 | $20.8M | 0.05% | +256,300+45.0% | Added |
| FIL Ltd | 831,202 | $21.0M | 0.02% | +474,805+133.2% | Added |
| Hudson Bay Capital Management LP | 847,500 | $21.4M | 0.20% | −852,500−50.1% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 856,198 | $21.6M | 0.07% | −8,437−1.0% | Reduced |
| Polar Capital Holdings Plc | 861,400 | $21.8M | 0.16% | −829,949−49.1% | Reduced |
| Goldman Sachs Group Inc | 863,518 | $21.8M | 0.01% | +69,834+8.8% | Added |
| Emerald Advisers, LLC | 937,516 | $23.7M | 1.15% | −51,510−5.2% | Reduced |
| Charles Schwab Investment Management Inc | 1,099,807 | $27.8M | 0.01% | +88,589+8.8% | Added |
| Norges Bank | 1,192,449 | $30.1M | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 1,209,026 | $30.5M | 0.00% | +367,014+43.6% | Added |
| Octagon Capital Advisors LP | 1,284,000 | $32.4M | 5.71% | +917,000+249.9% | Added |
| Principal Financial Group Inc | 1,290,282 | $32.6M | 0.02% | +29,187+2.3% | Added |
| Novo Holdings A/S | 1,339,304 | $33.8M | 2.50% | 00.0% | Unchanged |
| Northern Trust Corp | 1,346,432 | $34.0M | 0.01% | +21,875+1.7% | Added |
| GW&K Investment Management, LLC | 1,352,269 | $34.1M | 0.34% | −995−0.1% | Reduced |
| Samlyn Capital, LLC | 1,381,057 | $34.9M | 0.62% | −596,233−30.2% | Reduced |
| Holocene Advisors, LP | 1,808,488 | $45.7M | 0.20% | −274,390−13.2% | Reduced |
| RTW Investments, LP | 1,865,108 | $47.1M | 0.99% | +865,108+86.5% | Added |
| Ameriprise Financial Inc | 1,876,713 | $47.4M | 0.02% | +17,509+0.9% | Added |
| Janus Henderson Group PLC | 1,914,802 | $48.3M | 0.03% | −280,386−12.8% | Reduced |
| Millennium Management LLC | 2,174,829 | $54.9M | 0.06% | +2,083,967+2,293.6% | Added |
| Alliancebernstein L.P. | 2,294,796 | $57.9M | 0.02% | −229,847−9.1% | Reduced |
| Loomis Sayles & Co L P | 2,383,039 | $60.2M | 0.10% | +769,443+47.7% | Added |
| Pictet Asset Management Holding SA | 2,413,438 | $60.9M | 0.08% | +2,413,438 | New |
| Bank of New York Mellon Corp | 2,531,719 | $63.9M | 0.01% | +83,255+3.4% | Added |
| Geode Capital Management, LLC | 2,873,697 | $72.6M | 0.01% | +170,154+6.3% | Added |
| Bellevue Group AG | 3,162,735 | $79.9M | 1.29% | −138,176−4.2% | Reduced |
| Franklin Resources Inc | 3,411,837 | $86.1M | 0.04% | −21,803−0.6% | Reduced |
| Suvretta Capital Management, LLC | 3,446,334 | $87.0M | 4.70% | +337,000+10.8% | Added |
| William Blair Investment Management, LLC | 4,241,935 | $107.1M | 0.36% | −43,984−1.0% | Reduced |
| FMR LLC | 4,304,954 | $108.7M | 0.01% | +221,659+5.4% | Added |
| Macquarie Group Ltd | 4,653,772 | $117.5M | 0.15% | +262,692+6.0% | Added |
| State Street Corp | 5,054,383 | $127.6M | 0.01% | −966,196−16.0% | Reduced |
| Palo Alto Investors LP | 5,889,491 | $148.7M | 14.07% | 00.0% | Unchanged |
| Deep Track Capital, LP | 6,000,000 | $151.5M | 5.87% | −500,000−7.7% | Reduced |
| T. Rowe Price Investment Management, Inc. | 8,324,884 | $210.2M | 0.15% | +20,570+0.2% | Added |
| BlackRock Inc. | 10,390,690 | $262.4M | 0.01% | +132,408+1.3% | Added |
| Price T Rowe Associates Inc | 10,407,216 | $262.8M | 0.04% | +234,920+2.3% | Added |
| Vanguard Group Inc | 14,345,512 | $362.2M | 0.01% | +1,024,956+7.7% | Added |
| Deerfield Management Company, L.P. (Series C) | 0 | $0 | 0.00% | −658,546−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −127,484−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Rockwood Wealth Management, LLC | 0 | $0 | 0.00% | −42,001−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −31,521−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −24,304−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −20,753−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −16,000−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −14,521−100.0% | Sold out |
| NinePointTwo Capital | 0 | $0 | 0.00% | −13,843−100.0% | Sold out |
| First Republic Investment Management, Inc. | 0 | $0 | 0.00% | −10,581−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −10,316−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −9,649−100.0% | Sold out |
| Harbor Investment Advisory, LLC | 0 | $0 | 0.00% | −2,745−100.0% | Sold out |
| Focused Wealth Management, Inc | 0 | $0 | 0.00% | −2,400−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −1,312−100.0% | Sold out |
| Pinebridge Investments, L.P. | 0 | $0 | 0.00% | −1,175−100.0% | Sold out |
| Elequin Capital LP | 0 | $0 | 0.00% | −259−100.0% | Sold out |
| Ronald Blue Trust, Inc. | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Pictet Asset Management SA | – | – | – | – | Not filed |
| PFS Investments Inc. | – | – | – | – | Not filed |