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 |
|---|---|---|---|---|---|
| Norges Bank | 1,192,449 | $20.3M | 0.00% | −151,384−11.3% | Reduced |
| Principal Financial Group Inc | 1,253,032 | $21.4M | 0.02% | −47,497−3.7% | Reduced |
| Northern Trust Corp | 1,303,482 | $22.2M | 0.00% | +2,637+0.2% | Added |
| GW&K Investment Management, LLC | 1,305,014 | $22.3M | 0.22% | +309,237+31.1% | Added |
| Novo Holdings A/S | 1,339,304 | $22.8M | 1.63% | +499,304+59.4% | Added |
| Assenagon Asset Management S.A. | 1,407,339 | $24.0M | 0.09% | +359,175+34.3% | Added |
| Loomis Sayles & Co L P | 1,628,518 | $27.8M | 0.05% | +401,418+32.7% | Added |
| Polar Capital Holdings Plc | 1,691,349 | $28.8M | 0.21% | +150,000+9.7% | Added |
| Hudson Bay Capital Management LP | 1,737,500 | $29.6M | 0.32% | +340,000+24.3% | Added |
| Samlyn Capital, LLC | 1,977,556 | $33.7M | 0.62% | +39,261+2.0% | Added |
| Ameriprise Financial Inc | 2,004,917 | $34.2M | 0.01% | −995,384−33.2% | Reduced |
| Holocene Advisors, LP | 2,215,147 | $37.8M | 0.19% | +76,280+3.6% | Added |
| Alliancebernstein L.P. | 2,474,388 | $42.2M | 0.02% | −129,796−5.0% | Reduced |
| Bank of New York Mellon Corp | 2,493,724 | $42.5M | 0.01% | +1,138,343+84.0% | Added |
| Janus Henderson Group PLC | 2,561,169 | $43.7M | 0.03% | −435,083−14.5% | Reduced |
| Geode Capital Management, LLC | 2,625,675 | $44.8M | 0.01% | +129,286+5.2% | Added |
| Suvretta Capital Management, LLC | 2,932,138 | $50.0M | 2.41% | +411,237+16.3% | Added |
| Bellevue Group AG | 3,293,102 | $56.1M | 0.81% | +15,895+0.5% | Added |
| Franklin Resources Inc | 3,507,176 | $59.8M | 0.03% | +8040.0% | Added |
| FMR LLC | 3,587,000 | $61.2M | 0.01% | −181,407−4.8% | Reduced |
| William Blair Investment Management, LLC | 3,706,678 | $63.2M | 0.22% | +316,513+9.3% | Added |
| Pictet Asset Management SA | 3,930,763 | $67.0M | 0.08% | −55,786−1.4% | Reduced |
| Macquarie Group Ltd | 4,052,364 | $69.1M | 0.08% | +401,559+11.0% | Added |
| Palo Alto Investors LP | 5,889,491 | $100.4M | 8.32% | +18,200+0.3% | Added |
| State Street Corp | 6,325,205 | $107.8M | 0.01% | −561,482−8.2% | Reduced |
| Deep Track Capital, LP | 6,500,000 | $110.8M | 4.71% | +2,235,708+52.4% | Added |
| T. Rowe Price Investment Management, Inc. | 8,415,430 | $143.5M | 0.10% | +40,755+0.5% | Added |
| Price T Rowe Associates Inc | 9,982,064 | $170.2M | 0.03% | +4,1530.0% | Added |
| BlackRock Inc. | 10,087,420 | $172.0M | 0.01% | −1,026,367−9.2% | Reduced |
| Vanguard Group Inc | 13,363,311 | $227.8M | 0.01% | +322,480+2.5% | Added |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −1,291,580−100.0% | Sold out |
| Artal Group S.A. | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −382,651−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −190,000−100.0% | Sold out |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −109,105−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −75,227−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −72,490−100.0% | Sold out |
| Rockwood Wealth Management, LLC | 0 | $0 | 0.00% | −42,000−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −40,035−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −27,300−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −18,127−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −17,620−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −16,696−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −16,470−100.0% | Sold out |
| Pearl River Capital, LLC | 0 | $0 | 0.00% | −14,552−100.0% | Sold out |
| Stifel Financial Corp | 0 | $0 | 0.00% | −12,608−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −11,919−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −10,314−100.0% | Sold out |
| Commerce Bank | 0 | $0 | 0.00% | −10,040−100.0% | Sold out |
| HN Saltoro Capital, LP | 0 | $0 | 0.00% | −5,400−100.0% | Sold out |
| Vestcor Inc | 0 | $0 | 0.00% | −3,730−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −2,498−100.0% | Sold out |
| Virtus Fund Advisers, LLC | 0 | $0 | 0.00% | −1,438−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −430−100.0% | Sold out |
| Hexagon Capital Partners LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| First Manhattan Co | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| McElhenny Sheffield Capital Management, LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Castleview Partners, LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Neo Ivy Capital Management | – | – | – | – | Not filed |