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, Q2 2026
Institutional positions in INSMED Inc as of Jun 30, 2026. 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
- 667
- −3 vs. Q1 2026
- Shares held
- 223.7M
- +3.22M (+1.5%) vs. Q1 2026
- Total value
- $23.8B
- −$11.8B (−33.1%) vs. Q1 2026
- New holders
- 119
- 247 more added
- Sold out
- 122
- 231 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Prudential PLC | 24,458 | $2.61M | 0.02% | +16,435+204.8% | Added |
| OP Asset Management Ltd | 24,951 | $2.66M | 0.03% | +2,729+12.3% | Added |
| Cantor Fitzgerald, L. P. | 25,000 | $2.67M | 0.05% | +14,000+127.3% | Added |
| Nicholas Investment Partners, LP | 25,356 | $2.70M | 0.15% | −157,184−86.1% | Reduced |
| Robeco Institutional Asset Management B.V. | 26,115 | $2.78M | 0.00% | +5,341+25.7% | Added |
| Next Century Growth Investors LLC | 26,159 | $2.79M | 0.15% | −80.0% | Reduced |
| Catalyst Funds Management Pty Ltd | 26,200 | $2.79M | 0.16% | +26,200 | New |
| National Pension Service | 26,678 | $2.84M | 0.00% | −285,203−91.4% | Reduced |
| CI Private Wealth, LLC | 27,018 | $2.88M | 0.00% | −3,231−10.7% | Reduced |
| Agf Management Ltd | 27,286 | $2.91M | 0.01% | −30,172−52.5% | Reduced |
| Swiss Life Asset Management Ltd | 27,552 | $2.94M | 0.01% | +9,046+48.9% | Added |
| Fideuram Asset Management (Ireland) dac | 29,699 | $2.97M | 0.06% | +24,163+436.5% | Added |
| Nissay Asset Management Corp | 28,233 | $3.01M | 0.01% | −31,810−53.0% | Reduced |
| KVP Capital Advisors, LP | 28,497 | $3.04M | 2.23% | 00.0% | Unchanged |
| GordonMD Global Investments LP | 28,587 | $3.05M | 1.67% | 00.0% | Unchanged |
| Toronto Dominion Bank | 28,611 | $3.05M | 0.01% | −260−0.9% | Reduced |
| Teacher Retirement System of Texas | 28,747 | $3.07M | 0.01% | −1,635−5.4% | Reduced |
| Rafferty Asset Management, LLC | 30,045 | $3.20M | 0.01% | −86,024−74.1% | Reduced |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 30,170 | $3.22M | 0.95% | +23,152+329.9% | Added |
| HighVista Strategies LLC | 31,256 | $3.33M | 0.76% | +6,940+28.5% | Added |
| Landscape Capital Management, L.L.C. | 31,345 | $3.34M | 0.22% | +31,345 | New |
| PensionDanmark Pensionsforsikringsaktieselskab | 31,393 | $3.35M | 0.03% | +2,338+8.0% | Added |
| British Columbia Investment Management Corp | 31,414 | $3.35M | 0.02% | +2,016+6.9% | Added |
| Police & Firemen's Retirement System of New Jersey | 31,808 | $3.39M | 0.03% | −57,822−64.5% | Reduced |
| Quantinno Capital Management LP | 32,163 | $3.43M | 0.00% | −3,389−9.5% | Reduced |
| Tredje AP-fonden | 32,407 | $3.46M | 0.02% | −44,197−57.7% | Reduced |
| Utah Retirement Systems | 32,484 | $3.46M | 0.03% | −1,547−4.5% | Reduced |
| Group One Trading, L.P. | 32,654 | $3.48M | 0.10% | +23,560+259.1% | Added |
| MML Investors Services, LLC | 32,823 | $3.50M | 0.01% | +8,050+32.5% | Added |
| KBC Group NV | 34,421 | $3.67M | 0.01% | −2,926−7.8% | Reduced |
| Silverarc Capital Management, LLC | 34,438 | $3.67M | 0.41% | −1,412−3.9% | Reduced |
| China Universal Asset Management Co., Ltd. | 34,496 | $3.68M | 0.22% | −12,519−26.6% | Reduced |
| Assetmark, Inc | 34,871 | $3.72M | 0.01% | +613+1.8% | Added |
| Militia Capital Management LLC | 35,100 | $3.74M | 0.67% | +35,100 | New |
| Korea Investment CORP | 35,429 | $3.78M | 0.01% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 35,467 | $3.78M | 0.03% | +826+2.4% | Added |
| Nomura Holdings Inc | 36,000 | $3.84M | 0.02% | +16,955+89.0% | Added |
| Guggenheim Capital LLC | 38,766 | $4.13M | 0.03% | −41,255−51.6% | Reduced |
| Algert Global LLC | 39,480 | $4.21M | 0.05% | +39,480 | New |
| Mutual of America Capital Management LLC | 39,594 | $4.22M | 0.04% | +2,713+7.4% | Added |
| B. Metzler seel. Sohn & Co. AG | 40,521 | $4.32M | 0.04% | +1,278+3.3% | Added |
| Headlands Technologies LLC | 40,855 | $4.36M | 0.46% | +38,047+1,355.0% | Added |
| Erste Asset Management GmbH | 41,746 | $4.37M | 0.03% | +143+0.3% | Added |
| Ofi Invest Asset Management | 47,000 | $4.38M | 0.04% | +47,000 | New |
| Brown Advisory Inc | 41,694 | $4.45M | 0.01% | +18,745+81.7% | Added |
| Essex Investment Management Co LLC | 42,991 | $4.58M | 0.60% | −19,685−31.4% | Reduced |
| Los Angeles Capital Management LLC | 43,092 | $4.59M | 0.02% | +42,156+4,503.8% | Added |
| Campbell & CO Investment Adviser LLC | 43,856 | $4.68M | 0.25% | +43,856 | New |
| Lazard Asset Management LLC | 44,473 | $4.74M | 0.01% | +44,473 | New |
| Entropy Technologies, LP | 45,469 | $4.85M | 0.19% | +41,137+949.6% | Added |
| Fifth Third Bancorp | 45,844 | $4.89M | 0.01% | +27,644+151.9% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 46,033 | $4.91M | 0.04% | +38,025+474.8% | Added |
| Boothbay Fund Management, LLC | 47,266 | $5.04M | 0.10% | +47,266 | New |
| Xponance, Inc. | 48,273 | $5.15M | 0.03% | +421+0.9% | Added |
| Quadrature Capital Ltd | 48,355 | $5.16M | 0.04% | +48,355 | New |
| Cetera Investment Advisers | 48,622 | $5.18M | 0.00% | +14,266+41.5% | Added |
| Simon Quick Advisors, LLC | 50,047 | $5.34M | 0.22% | −180.0% | Reduced |
| EFG International AG | 50,941 | $5.43M | 0.10% | +10,399+25.6% | Added |
| Redmile Group, LLC | 51,234 | $5.46M | 0.37% | +51,234 | New |
| Ishara Investments LP | 51,250 | $5.46M | 4.09% | +51,250 | New |
| Stifel Financial Corp | 52,163 | $5.56M | 0.00% | −23,539−31.1% | Reduced |
| Illinois Municipal Retirement Fund | 52,668 | $5.62M | 0.06% | +52,668 | New |
| Man Group plc | 52,857 | $5.64M | 0.01% | −73,983−58.3% | Reduced |
| IFM Investors Pty Ltd | 53,953 | $5.75M | 0.04% | +11,213+26.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 54,644 | $5.83M | 0.01% | −97,722−64.1% | Reduced |
| Cullen/Frost Bankers, Inc. | 54,740 | $5.84M | 0.06% | −838−1.5% | Reduced |
| Resona Asset Management Co.,Ltd. | 56,132 | $5.97M | 0.03% | −4,798−7.9% | Reduced |
| Kennedy Capital Management, Inc. | 55,990 | $5.97M | 0.11% | +21,464+62.2% | Added |
| McRae Capital Management Inc | 56,836 | $6.06M | 1.19% | +21,691+61.7% | Added |
| Great West Life Assurance Co | 57,376 | $6.11M | 0.01% | +3,486+6.5% | Added |
| HealthInvest Partners AB | 58,378 | $6.22M | 1.67% | −39,060−40.1% | Reduced |
| XTX Topco Ltd | 59,663 | $6.36M | 0.08% | +55,001+1,179.8% | Added |
| Axxion S.A. | 60,000 | $6.40M | 0.46% | +60,000 | New |
| Mackenzie Financial Corp | 60,217 | $6.42M | 0.01% | +36,446+153.3% | Added |
| Arizona State Retirement System | 60,340 | $6.43M | 0.03% | +2,389+4.1% | Added |
| Public Employees Retirement System of Ohio | 61,152 | $6.52M | 0.02% | +201+0.3% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 63,437 | $6.76M | 0.03% | −5,052−7.4% | Reduced |
| Manufacturers Life Insurance Company, The | 64,582 | $6.89M | 0.01% | −8,114−11.2% | Reduced |
| Elmind Capital, LP | 65,000 | $6.93M | 1.74% | +65,000 | New |
| Jones Financial Companies LLLP | 68,803 | $7.11M | 0.00% | +27,397+66.2% | Added |
| Creative Planning | 67,762 | $7.22M | 0.00% | −4,438−6.1% | Reduced |
| State of New Jersey Common Pension Fund D | 68,049 | $7.26M | 0.02% | −4,839−6.6% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 68,450 | $7.30M | 0.03% | +100+0.1% | Added |
| Nomura Asset Management Co Ltd | 69,157 | $7.37M | 0.02% | −20,503−22.9% | Reduced |
| Worldquant Millennium Advisors LLC | 69,199 | $7.38M | 0.03% | +69,199 | New |
| ExodusPoint Capital Management, LP | 69,500 | $7.41M | 0.07% | −78,633−53.1% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 70,693 | $7.54M | 0.01% | +10,518+17.5% | Added |
| SG Americas Securities, LLC | 73,088 | $7.79M | 0.00% | −64,061−46.7% | Reduced |
| Jump Financial, LLC | 73,500 | $7.84M | 0.07% | +73,500 | New |
| Natixis Advisors, L.P. | 73,607 | $7.85M | 0.01% | +30,673+71.4% | Added |
| Cormorant Asset Management, LP | 75,000 | $8.00M | 0.41% | −115,000−60.5% | Reduced |
| DekaBank Deutsche Girozentrale | 50,000 | $8.02M | 0.01% | 00.0% | Unchanged |
| Toroso Investments, LLC | 75,832 | $8.09M | 0.02% | +14,056+22.8% | Added |
| IMC-Chicago, LLC | 76,126 | $8.12M | 0.07% | +71,654+1,602.3% | Added |
| Asset Management One Co.,Ltd. | 79,510 | $8.48M | 0.02% | −2,871−3.5% | Reduced |
| Fred Alger Management, LLC | 82,325 | $8.78M | 0.03% | −43,441−34.5% | Reduced |
| KLP Kapitalforvaltning AS | 86,700 | $9.24M | 0.03% | +12,700+17.2% | Added |
| M&G Plc | 88,008 | $9.42M | 0.05% | −10,213−10.4% | Reduced |
| Canada Pension Plan Investment Board | 89,500 | $9.54M | 0.01% | +49,600+124.3% | Added |
| Soleus Capital Management, L.P. | 90,250 | $9.62M | 0.33% | +80,000+780.5% | Added |