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, Q4 2025
Institutional positions in INSMED Inc as of Dec 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
- 678
- +121 vs. Q3 2025
- Shares held
- 217.4M
- +6.76M (+3.2%) vs. Q3 2025
- Total value
- $37.8B
- +$7.55B (+24.9%) vs. Q3 2025
- New holders
- 202
- 241 more added
- Sold out
- 81
- 180 more reduced
9 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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, Q4 2025
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Elo Mutual Pension Insurance Co | 12,409 | $2.16M | 0.03% | −2,677−17.7% | Reduced |
| October Effect Ltd | 12,121 | $2.11M | 2.32% | +12,121 | New |
| MYDA Advisors LLC | 12,000 | $2.09M | 0.59% | 00.0% | Unchanged |
| Emerald Advisers, LLC | 11,990 | $2.09M | 0.06% | −403−3.3% | Reduced |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 11,556 | $2.01M | 0.30% | +11,556 | New |
| JustInvest LLC | 11,424 | $1.99M | 0.02% | +1,872+19.6% | Added |
| Osmosis Investment Management UK Ltd | 11,325 | $1.97M | 0.05% | +11,325 | New |
| Draper Asset Management, LLC | 11,312 | $1.97M | 1.04% | +973+9.4% | Added |
| PKO Investment Management Joint-Stock Co | 11,300 | $1.97M | 0.16% | +11,300 | New |
| Sectoral Asset Management Inc | 11,182 | $1.95M | 1.56% | −2,243−16.7% | Reduced |
| Gulf International Bank (UK) Ltd | 11,033 | $1.92M | 0.06% | +11,033 | New |
| Virtu Financial LLC | 10,922 | $1.90M | 0.07% | +10,922 | New |
| Wealth Enhancement Advisory Services, LLC | 10,427 | $1.83M | 0.00% | +2,829+37.2% | Added |
| Maryland State Retirement & Pension System | 10,484 | $1.82M | 0.04% | +1,200+12.9% | Added |
| WCM Investment Management, LLC | 10,368 | $1.80M | 0.00% | −5,132−33.1% | Reduced |
| AustralianSuper Pty Ltd | 10,005 | $1.74M | 0.01% | +10,005 | New |
| Ishara Investments LP | 10,000 | $1.74M | 2.03% | +10,000 | New |
| Wealthfront Advisers LLC | 9,991 | $1.74M | 0.00% | +9,991 | New |
| Abn Amro Investment Solutions | 9,989 | $1.74M | 0.03% | +9,989 | New |
| Jump Financial, LLC | 9,823 | $1.71M | 0.02% | +9,823 | New |
| AG2R la Mondiale Gestion D'Actifs | 9,677 | $1.68M | 0.07% | +9,677 | New |
| Yorktown Management & Research Co Inc | 9,600 | $1.67M | 1.34% | 00.0% | Unchanged |
| Vestmark Advisory Solutions, Inc. | 9,514 | $1.66M | 0.02% | +6,966+273.4% | Added |
| Ikarian Capital, LLC | 9,337 | $1.63M | 0.21% | −4,414−32.1% | Reduced |
| M&T Bank Corp | 9,150 | $1.59M | 0.01% | +5,056+123.5% | Added |
| QRG Capital Management, Inc. | 9,030 | $1.57M | 0.02% | +2,610+40.7% | Added |
| Waldron Private Wealth LLC | 8,810 | $1.53M | 0.06% | +10+0.1% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 8,633 | $1.50M | 0.04% | +8,633 | New |
| Highland Capital Management, LLC | 8,558 | $1.49M | 0.07% | +8,558 | New |
| DekaBank Deutsche Girozentrale | 50,000 | $1.49M | 0.00% | 00.0% | Unchanged |
| Royal London Asset Management Ltd | 8,510 | $1.48M | 0.00% | +8,510 | New |
| S&CO Inc | 8,300 | $1.44M | 0.09% | 00.0% | Unchanged |
| Quantitative Investment Management, LLC | 8,148 | $1.42M | 0.14% | +8,148 | New |
| FORA Capital, LLC | 7,942 | $1.38M | 0.17% | +7,942 | New |
| Castleark Management LLC | 7,790 | $1.36M | 0.04% | +2,060+36.0% | Added |
| US Bancorp | 7,748 | $1.35M | 0.00% | −903−10.4% | Reduced |
| Ameritas Investment Partners, Inc. | 7,710 | $1.34M | 0.04% | +7,710 | New |
| AlphaCentric Advisors LLC | 7,588 | $1.32M | 1.32% | +7,588 | New |
| Landscape Capital Management, L.L.C. | 7,364 | $1.28M | 0.09% | −20,830−73.9% | Reduced |
| Comerica Bank | 7,337 | $1.28M | 0.01% | −154,467−95.5% | Reduced |
| Macquarie Group Ltd | 7,293 | $1.27M | 0.01% | −642,554−98.9% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 7,259 | $1.26M | 0.01% | +1,213+20.1% | Added |
| Norinchukin Bank, The | 7,242 | $1.26M | 0.01% | +7,242 | New |
| Snowden Capital Advisors LLC | 7,234 | $1.26M | 0.03% | −535−6.9% | Reduced |
| Colony Group, LLC | 7,174 | $1.25M | 0.00% | +2,638+58.2% | Added |
| Himension Fund | 7,164 | $1.25M | 0.08% | −1,423−16.6% | Reduced |
| The PNC Financial Services Group, Inc. | 6,860 | $1.19M | 0.00% | +49+0.7% | Added |
| Everence Capital Management Inc | 6,774 | $1.18M | 0.07% | +331+5.1% | Added |
| North Dakota State Investment Board | 6,558 | $1.14M | 0.04% | +6,558 | New |
| J. Safra Sarasin Holding AG | 6,461 | $1.12M | 0.02% | −1,096−14.5% | Reduced |
| Vise Technologies, Inc. | 6,314 | $1.10M | 0.02% | +982+18.4% | Added |
| XTX Topco Ltd | 6,098 | $1.06M | 0.03% | +6,098 | New |
| Park Capital Management, LLC | 5,989 | $1.04M | 0.75% | +5,989 | New |
| Sequoia Financial Advisors, LLC | 5,940 | $1.03M | 0.01% | +3,633+157.5% | Added |
| Prudential Financial Inc | 5,937 | $1.03M | 0.00% | −5,033−45.9% | Reduced |
| Havemeyer Place LP | 5,891 | $1.03M | 0.20% | +5,891 | New |
| Groupama Asset Managment | 5,590 | $972.9K | 0.01% | −7,585−57.6% | Reduced |
| Mercer Global Advisors Inc | 5,567 | $968.8K | 0.00% | +2,045+58.1% | Added |
| Ieq Capital, LLC | 5,563 | $968.2K | 0.00% | +5,563 | New |
| Commonwealth Equity Services, LLC | 5,488 | $955.2K | 0.00% | −45−0.8% | Reduced |
| Captrust Financial Advisors | 5,384 | $937.0K | 0.00% | −238−4.2% | Reduced |
| Fulton Bank, N.A. | 5,325 | $926.8K | 0.03% | +146+2.8% | Added |
| Tower Research Capital LLC (TRC) | 5,297 | $921.9K | 0.02% | +3,955+294.7% | Added |
| E. Ohman J:or Asset Management AB | 5,239 | $911.8K | 0.02% | +5,239 | New |
| Pinkerton Retirement Specialists, LLC | 5,148 | $896.0K | 0.09% | +5,148 | New |
| Principal Securities, Inc. | 5,121 | $891.3K | 0.01% | −1,883−26.9% | Reduced |
| Moody Aldrich Partners LLC | 5,036 | $876.5K | 0.16% | −515−9.3% | Reduced |
| Resources Investment Advisors, LLC. | 5,032 | $875.8K | 0.01% | +853+20.4% | Added |
| Vident Advisory, LLC | 5,014 | $872.6K | 0.01% | −544−9.8% | Reduced |
| Voleon Capital Management LP | 4,883 | $849.8K | 0.02% | −42,784−89.8% | Reduced |
| Meeder Advisory Services, Inc. | 4,782 | $832.3K | 0.04% | +570+13.5% | Added |
| Intrust Bank NA | 4,735 | $824.1K | 0.07% | −692−12.8% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 4,733 | $823.7K | 0.01% | −348−6.8% | Reduced |
| Private Advisor Group, LLC | 4,667 | $812.2K | 0.00% | −64−1.4% | Reduced |
| Rice Hall James & Associates, LLC | 4,536 | $789.4K | 0.04% | −75,131−94.3% | Reduced |
| Summit Trail Advisors, LLC | 4,464 | $776.9K | 0.01% | +2,731+157.6% | Added |
| CWM, LLC | 4,347 | $757.0K | 0.00% | +1,892+77.1% | Added |
| Vestcor Inc | 4,238 | $738.0K | 0.02% | +4,238 | New |
| UniSuper Management Pty Ltd | 4,200 | $731.0K | 0.00% | +4,200 | New |
| University of Texas/Texas Am Investment Managment Co | 4,170 | $725.7K | 0.10% | +4,170 | New |
| Edgestream Partners, L.P. | 4,116 | $716.3K | 0.02% | +4,116 | New |
| Independent Financial Group, LLC | 4,113 | $715.8K | 0.02% | +2,578+167.9% | Added |
| MidFirst Bank | 4,012 | $698.2K | 0.06% | +4,012 | New |
| Ethic Inc. | 4,001 | $696.3K | 0.01% | +2,512+168.7% | Added |
| Oxford Asset Management LLP | 3,931 | $684.2K | 0.24% | −4,377−52.7% | Reduced |
| Concurrent Investment Advisors, LLC | 3,930 | $684.0K | 0.01% | +1,667+73.7% | Added |
| GraniteShares Advisors LLC | 3,905 | $679.6K | 0.41% | +3,905 | New |
| Prudential PLC | 3,902 | $679.1K | 0.01% | +3,902 | New |
| Coldstream Capital Management Inc | 3,848 | $669.7K | 0.01% | −672−14.9% | Reduced |
| Global Retirement Partners, LLC | 3,838 | $668.0K | 0.01% | +1,990+107.7% | Added |
| Envestnet Portfolio Solutions, Inc. | 3,700 | $643.9K | 0.00% | −464−11.1% | Reduced |
| Persistent Asset Partners Ltd | 3,692 | $642.6K | 0.31% | +3,692 | New |
| Acadian Asset Management LLC | 3,605 | $626.0K | 0.00% | +1,402+63.6% | Added |
| NewEdge Wealth, LLC | 3,540 | $616.1K | 0.01% | +509+16.8% | Added |
| Virtus Investment Advisers, Inc. | 3,468 | $603.6K | 0.16% | −1,119−24.4% | Reduced |
| ICICI Prudential Asset Management Co Ltd | 3,422 | $595.6K | 0.07% | +3,422 | New |
| Tema ETFs LLC | 3,395 | $590.9K | 0.05% | −902−21.0% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 3,391 | $590.0K | 0.00% | +354+11.7% | Added |
| TCW Group Inc | 3,285 | $571.7K | 0.00% | +3,285 | New |
| Beacon Financial Advisory LLC | 3,283 | $571.4K | 0.13% | −5,197−61.3% | Reduced |