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 2025
Institutional positions in INSMED Inc as of Mar 31, 2025. 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
- 442
- +9 vs. Q4 2024
- Shares held
- 199.6M
- +8.34M (+4.4%) vs. Q4 2024
- Total value
- $15.3B
- +$2.05B (+15.5%) vs. Q4 2024
- New holders
- 57
- 184 more added
- Sold out
- 48
- 150 more reduced
6 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of New York Mellon Corp | 1,156,750 | $88.2M | 0.02% | −281,716−19.6% | Reduced |
| Nuveen, LLC | 1,158,094 | $88.4M | 0.03% | +1,158,094 | New |
| Eventide Asset Management, LLC | 1,181,675 | $90.2M | 1.80% | +80,682+7.3% | Added |
| Wellington Management Group LLP | 1,222,627 | $93.3M | 0.02% | +470,401+62.5% | Added |
| Lord, Abbett & Co. LLC | 1,350,587 | $103.0M | 0.37% | −106,623−7.3% | Reduced |
| Bank of America Corp | 1,352,999 | $103.2M | 0.01% | +245,333+22.1% | Added |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 1,369,050 | $104.4M | 3.50% | +775,580+130.7% | Added |
| GW&K Investment Management, LLC | 1,377,726 | $105.1M | 0.97% | +242,333+21.3% | Added |
| Goldman Sachs Group Inc | 1,402,621 | $107.0M | 0.02% | −317,428−18.5% | Reduced |
| Westfield Capital Management Co LP | 1,406,609 | $107.3M | 0.52% | +468,058+49.9% | Added |
| T. Rowe Price Investment Management, Inc. | 1,476,948 | $112.7M | 0.07% | −505,759−25.5% | Reduced |
| Suvretta Capital Management, LLC | 1,492,383 | $113.9M | 4.61% | −119,178−7.4% | Reduced |
| Integral Health Asset Management, LLC | 1,550,000 | $118.2M | 13.10% | 00.0% | Unchanged |
| Hood River Capital Management LLC | 1,558,286 | $118.9M | 2.03% | +32,658+2.1% | Added |
| Janus Henderson Group PLC | 1,545,419 | $120.5M | 0.07% | +99,723+6.9% | Added |
| Charles Schwab Investment Management Inc | 1,602,655 | $122.3M | 0.02% | +56,048+3.6% | Added |
| Northern Trust Corp | 1,683,838 | $128.5M | 0.02% | −66,804−3.8% | Reduced |
| Norges Bank | 1,742,843 | $133.0M | 0.02% | −90,967−5.0% | Reduced |
| Principal Financial Group Inc | 1,755,373 | $133.9M | 0.08% | −62,270−3.4% | Reduced |
| Invesco Ltd. | 1,791,324 | $136.7M | 0.03% | +775,234+76.3% | Added |
| Clearbridge Investments, LLC | 1,828,728 | $139.5M | 0.12% | −49,722−2.6% | Reduced |
| Pictet Asset Management Holding SA | 2,013,329 | $153.9M | 0.17% | +53,611+2.7% | Added |
| Holocene Advisors, LP | 2,026,422 | $154.6M | 0.46% | +1,338,710+194.7% | Added |
| Franklin Resources Inc | 2,148,284 | $163.9M | 0.05% | −11,819−0.5% | Reduced |
| William Blair Investment Management, LLC | 2,313,217 | $176.5M | 0.50% | −120,226−4.9% | Reduced |
| Macquarie Group Ltd | 2,362,105 | $180.2M | 0.22% | +48,946+2.1% | Added |
| FIL Ltd | 2,390,201 | $182.3M | 0.17% | −247,959−9.4% | Reduced |
| Alliancebernstein L.P. | 2,423,513 | $184.9M | 0.07% | +59,952+2.5% | Added |
| Ameriprise Financial Inc | 2,951,622 | $225.2M | 0.06% | +101,525+3.6% | Added |
| RTW Investments, LP | 3,014,558 | $230.0M | 3.52% | 00.0% | Unchanged |
| Artisan Partners Limited Partnership | 3,217,268 | $245.4M | 0.40% | +90,929+2.9% | Added |
| FMR LLC | 3,394,384 | $259.0M | 0.02% | −1,461,865−30.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 3,446,944 | $263.0M | 0.49% | +1,799,382+109.2% | Added |
| Geode Capital Management, LLC | 4,288,735 | $327.3M | 0.03% | +201,592+4.9% | Added |
| Baker Bros. Advisors LP | 5,380,626 | $410.5M | 4.54% | +373,763+7.5% | Added |
| State Street Corp | 5,747,293 | $438.5M | 0.02% | −358,860−5.9% | Reduced |
| JPMorgan Chase & Co | 6,354,022 | $484.7M | 0.04% | +3,067,774+93.4% | Added |
| Capital International Investors | 7,198,485 | $549.2M | 0.11% | +81,488+1.1% | Added |
| Price T Rowe Associates Inc | 12,923,541 | $985.9M | 0.12% | +219,131+1.7% | Added |
| Darwin Global Management, Ltd. | 15,397,975 | $1.20B | 82.08% | +2,437,437+18.8% | Added |
| BlackRock, Inc. | 16,048,882 | $1.22B | 0.03% | +15,938+0.1% | Added |
| Vanguard Group Inc | 18,268,122 | $1.39B | 0.03% | +49,149+0.3% | Added |
| Logos Global Management LP | 0 | $0 | 0.00% | −450,000−100.0% | Sold out |
| MPM Oncology Impact Management LP | 0 | $0 | 0.00% | −389,611−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −389,033−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −348,994−100.0% | Sold out |
| Octagon Capital Advisors LP | 0 | $0 | 0.00% | −332,000−100.0% | Sold out |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 0 | $0 | 0.00% | −243,748−100.0% | Sold out |
| Samlyn Capital, LLC | 0 | $0 | 0.00% | −159,064−100.0% | Sold out |
| Altium Capital Management LP | 0 | $0 | 0.00% | −132,000−100.0% | Sold out |
| Senator Investment Group LP | 0 | $0 | 0.00% | −120,000−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −104,179−100.0% | Sold out |
| HAP Trading, LLC | 0 | $0 | 0.00% | −87,533−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −65,147−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −58,970−100.0% | Sold out |
| Diadema Partners LP | 0 | $0 | 0.00% | −56,337−100.0% | Sold out |
| PFM Health Sciences, LP | 0 | $0 | 0.00% | −43,774−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −43,619−100.0% | Sold out |
| Treasurer of the State of North Carolina | 0 | $0 | 0.00% | −41,770−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −39,000−100.0% | Sold out |
| Superstring Capital Management LP | 0 | $0 | 0.00% | −35,966−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −28,963−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −25,287−100.0% | Sold out |
| Baird Financial Group, Inc. | 0 | $0 | 0.00% | −22,289−100.0% | Sold out |
| Mirae Asset Securities (USA) Inc. | 0 | $0 | 0.00% | −13,936−100.0% | Sold out |
| Persistent Asset Partners Ltd | 0 | $0 | 0.00% | −12,500−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −13,100−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −11,936−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −11,250−100.0% | Sold out |
| Capital CS Group, LLC | 0 | $0 | 0.00% | −8,488−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −7,583−100.0% | Sold out |
| Saxon Interests, Inc. | 0 | $0 | 0.00% | −6,163−100.0% | Sold out |
| One68 Global Capital, LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −4,853−100.0% | Sold out |
| Tobam | 0 | $0 | 0.00% | −4,643−100.0% | Sold out |
| Lattice Capital Management, LLC | 0 | $0 | 0.00% | −3,700−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −3,336−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −3,281−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −3,229−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −2,947−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −2,625−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −1,826−100.0% | Sold out |
| Venturi Wealth Management, LLC | 0 | $0 | 0.00% | −1,250−100.0% | Sold out |
| Elequin Capital LP | 0 | $0 | 0.00% | −407−100.0% | Sold out |
| Asset Dedication, LLC | 0 | $0 | 0.00% | −171−100.0% | Sold out |
| Johnson Financial Group, Inc. | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Fortitude Family Office, LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Raleigh Capital Management Inc. | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |
| Caxton Associates LP | – | – | – | – | Not filed |
| Vise Technologies, Inc. | – | – | – | – | Not filed |
| AlphaCentric Advisors LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| Cassady Schiller Wealth Management, LLC | – | – | – | – | Not filed |