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 |
|---|---|---|---|---|---|
| CenterBook Partners LP | 15,991 | $1.22M | 0.08% | +6,600+70.3% | Added |
| Virginia Retirement Systems Et Al | 16,065 | $1.23M | 0.01% | +16,065 | New |
| Schonfeld Strategic Advisors LLC | 16,221 | $1.24M | 0.01% | +7,961+96.4% | Added |
| Ameritas Investment Partners, Inc. | 17,551 | $1.34M | 0.05% | 00.0% | Unchanged |
| SummitTX Capital, L.P. | 17,928 | $1.37M | 0.06% | +17,928 | New |
| Dana Investment Advisors, Inc. | 18,446 | $1.41M | 0.05% | −2,747−13.0% | Reduced |
| New York Life Investment Management LLC | 18,804 | $1.43M | 0.01% | +929+5.2% | Added |
| Springhill Fund Asset Management (HK) Co Ltd | 19,192 | $1.46M | 7.02% | −50,308−72.4% | Reduced |
| Public Employees Retirement Association of Colorado | 19,574 | $1.49M | 0.01% | 00.0% | Unchanged |
| Oppenheimer Asset Management Inc. | 19,935 | $1.52M | 0.02% | +5,453+37.7% | Added |
| Simplify Asset Management Inc. | 20,630 | $1.57M | 0.07% | +110+0.5% | Added |
| Cetera Investment Advisers | 20,679 | $1.58M | 0.00% | +10,525+103.7% | Added |
| HSBC Holdings PLC | 21,423 | $1.61M | 0.00% | +315+1.5% | Added |
| XTX Topco Ltd | 21,250 | $1.62M | 0.08% | +21,250 | New |
| HighVista Strategies LLC | 21,440 | $1.64M | 0.63% | −6,172−22.4% | Reduced |
| Cinctive Capital Management LP | 23,553 | $1.80M | 0.14% | −1,699−6.7% | Reduced |
| Boothbay Fund Management, LLC | 24,415 | $1.86M | 0.07% | −9,390−27.8% | Reduced |
| Atomi Financial Group, Inc. | 25,426 | $1.94M | 0.09% | +652+2.6% | Added |
| UBS Oconnor LLC | 25,427 | $1.94M | 0.05% | −1,188−4.5% | Reduced |
| STRS Ohio | 25,700 | $1.96M | 0.01% | +800+3.2% | Added |
| F/M Investments LLC | 26,153 | $2.00M | 0.08% | −16,640−38.9% | Reduced |
| First Trust Advisors LP | 26,216 | $2.00M | 0.00% | −40,474−60.7% | Reduced |
| Assetmark, Inc | 26,233 | $2.00M | 0.01% | −111−0.4% | Reduced |
| Verition Fund Management LLC | 26,474 | $2.02M | 0.01% | −2,059−7.2% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 27,789 | $2.12M | 0.01% | +6,705+31.8% | Added |
| OrbiMed Advisors LLC | 28,659 | $2.19M | 0.05% | −65,900−69.7% | Reduced |
| Natixis Advisors, L.P. | 29,862 | $2.28M | 0.00% | +8,537+40.0% | Added |
| ArrowMark Colorado Holdings LLC | 30,000 | $2.29M | 0.04% | 00.0% | Unchanged |
| Bank of Montreal | 30,406 | $2.32M | 0.00% | −7,347−19.5% | Reduced |
| Lion Point Capital, LP | 30,500 | $2.33M | 14.84% | −6,200−16.9% | Reduced |
| MML Investors Services, LLC | 31,209 | $2.38M | 0.01% | +8,254+36.0% | Added |
| Cerity Partners LLC | 31,438 | $2.40M | 0.00% | +13,180+72.2% | Added |
| Mariner, LLC | 31,848 | $2.43M | 0.00% | +1,060+3.4% | Added |
| Profund Advisors LLC | 32,097 | $2.45M | 0.11% | −4,988−13.5% | Reduced |
| KLP Kapitalforvaltning AS | 34,200 | $2.61M | 0.01% | +1,200+3.6% | Added |
| Kennedy Capital Management, Inc. | 34,397 | $2.62M | 0.06% | −1,661−4.6% | Reduced |
| Walleye Capital LLC | 34,478 | $2.63M | 0.03% | +34,478 | New |
| Stifel Financial Corp | 35,237 | $2.69M | 0.00% | +8,357+31.1% | Added |
| Guggenheim Capital LLC | 35,446 | $2.70M | 0.03% | +1,104+3.2% | Added |
| Hennion & Walsh Asset Management, Inc. | 35,704 | $2.72M | 0.12% | −8,230−18.7% | Reduced |
| China Universal Asset Management Co., Ltd. | 36,305 | $2.77M | 0.26% | −1,629−4.3% | Reduced |
| LMR Partners LLP | 36,928 | $2.82M | 0.06% | +36,928 | New |
| Police & Firemen's Retirement System of New Jersey | 37,100 | $2.83M | 0.03% | +362+1.0% | Added |
| State Board of Administration of Florida Retirement System | 37,632 | $2.87M | 0.01% | 00.0% | Unchanged |
| Parkman Healthcare Partners LLC | 37,901 | $2.89M | 0.34% | +2,233+6.3% | Added |
| CIBC World Markets Corp | 38,258 | $2.92M | 0.02% | +22,123+137.1% | Added |
| Brinker Capital Investments, LLC | 38,735 | $2.96M | 0.03% | +10,973+39.5% | Added |
| Orion Portfolio Solutions, LLC | 38,735 | $2.96M | 0.03% | +10,973+39.5% | Added |
| Calamos Advisors LLC | 39,301 | $3.00M | 0.01% | +25,925+193.8% | Added |
| Assenagon Asset Management S.A. | 39,778 | $3.03M | 0.01% | −485,415−92.4% | Reduced |
| Parallax Volatility Advisers, L.P. | 39,913 | $3.04M | 0.10% | −30,624−43.4% | Reduced |
| Hudson Bay Capital Management LP | 40,170 | $3.06M | 0.02% | −169,830−80.9% | Reduced |
| Legato Capital Management LLC | 41,857 | $3.19M | 0.43% | +4,986+13.5% | Added |
| Oak Ridge Investments LLC | 41,945 | $3.20M | 0.27% | −14,691−25.9% | Reduced |
| Great West Life Assurance Co | 42,458 | $3.25M | 0.01% | +3,079+7.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 43,574 | $3.32M | 0.01% | +98+0.2% | Added |
| Algert Global LLC | 44,424 | $3.39M | 0.08% | −31,330−41.4% | Reduced |
| Truist Financial Corp | 45,074 | $3.44M | 0.01% | +15,036+50.1% | Added |
| ProShare Advisors LLC | 45,489 | $3.47M | 0.01% | −11,502−20.2% | Reduced |
| Pathstone Holdings, LLC | 45,533 | $3.47M | 0.02% | +8,388+22.6% | Added |
| Teacher Retirement System of Texas | 45,683 | $3.49M | 0.01% | −2,654−5.5% | Reduced |
| Erste Asset Management GmbH | 47,600 | $3.71M | 0.05% | 00.0% | Unchanged |
| Arizona State Retirement System | 48,678 | $3.71M | 0.02% | +1,336+2.8% | Added |
| Handelsbanken Fonder AB | 49,181 | $3.75M | 0.02% | +3,900+8.6% | Added |
| Picton Mahoney Asset Management | 49,784 | $3.80M | 0.13% | +887+1.8% | Added |
| DekaBank Deutsche Girozentrale | 50,000 | $3.86M | 0.01% | 00.0% | Unchanged |
| LPL Financial LLC | 51,213 | $3.91M | 0.00% | +18,456+56.3% | Added |
| AQR Capital Management LLC | 51,239 | $3.91M | 0.00% | −12,932−20.2% | Reduced |
| Hillsdale Investment Management Inc. | 51,900 | $3.96M | 0.20% | −5,100−8.9% | Reduced |
| Nwam LLC | 53,789 | $4.10M | 0.35% | +17,693+49.0% | Added |
| Castleark Management LLC | 53,860 | $4.11M | 0.14% | +1,080+2.0% | Added |
| State of New Jersey Common Pension Fund D | 59,070 | $4.51M | 0.02% | −4,991−7.8% | Reduced |
| Bamco Inc | 60,000 | $4.58M | 0.01% | 00.0% | Unchanged |
| EAM Global Investors LLC | 61,508 | $4.69M | 1.28% | +190.0% | Added |
| Essex Investment Management Co LLC | 66,800 | $5.10M | 1.06% | −530−0.8% | Reduced |
| First Light Asset Management, LLC | 68,153 | $5.20M | 0.59% | −402,039−85.5% | Reduced |
| Thornburg Investment Management Inc | 68,840 | $5.25M | 0.07% | −5,909−7.9% | Reduced |
| EAM Investors, LLC | 71,670 | $5.47M | 0.95% | −294−0.4% | Reduced |
| Creative Planning | 71,744 | $5.47M | 0.01% | +15,034+26.5% | Added |
| Harbor Capital Advisors, Inc. | 72,816 | $5.55M | 0.25% | +13,216+22.2% | Added |
| Aquatic Capital Management LLC | 73,614 | $5.62M | 0.14% | −17,654−19.3% | Reduced |
| Allianz Asset Management GmbH | 75,284 | $5.74M | 0.01% | +3,534+4.9% | Added |
| Mutual of America Capital Management LLC | 79,141 | $6.04M | 0.07% | +2,093+2.7% | Added |
| Axiom Investors LLC | 79,925 | $6.10M | 0.06% | −3,949−4.7% | Reduced |
| Corebridge Financial, Inc. | 84,466 | $6.44M | 0.04% | −1,253−1.5% | Reduced |
| Ikarian Capital, LLC | 84,800 | $6.47M | 2.11% | −35,000−29.2% | Reduced |
| Ally Bridge Group (NY) LLC | 85,110 | $6.49M | 5.85% | −29,250−25.6% | Reduced |
| StemPoint Capital LP | 87,059 | $6.64M | 2.12% | −19,551−18.3% | Reduced |
| ExodusPoint Capital Management, LP | 87,783 | $6.70M | 0.09% | +87,783 | New |
| Rice Hall James & Associates, LLC | 88,041 | $6.72M | 0.39% | −819−0.9% | Reduced |
| Moody Aldrich Partners LLC | 89,020 | $6.79M | 1.42% | +53,542+150.9% | Added |
| Royce & Associates LP | 90,027 | $6.87M | 0.07% | 00.0% | Unchanged |
| EFG Asset Management (North America) Corp. | 94,225 | $7.18M | 1.19% | −13,400−12.5% | Reduced |
| Atika Capital Management LLC | 96,000 | $7.32M | 1.12% | +96,000 | New |
| Tang Capital Management LLC | 100,000 | $7.63M | 0.42% | 00.0% | Unchanged |
| MetLife Investment Management | 100,210 | $7.65M | 0.04% | −3,219−3.1% | Reduced |
| Tri Locum Partners LP | 101,859 | $7.77M | 3.99% | +101,859 | New |
| Intech Investment Management LLC | 101,979 | $7.78M | 0.08% | +30,752+43.2% | Added |
| Acuta Capital Partners, LLC | 106,074 | $8.09M | 9.38% | +1,274+1.2% | Added |
| Avidity Partners Management LP | 107,000 | $8.16M | 1.68% | −125,800−54.0% | Reduced |