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 |
|---|---|---|---|---|---|
| Vestcor Inc | 4,238 | $738.0K | 0.02% | +4,238 | New |
| CWM, LLC | 4,347 | $757.0K | 0.00% | +1,892+77.1% | Added |
| Summit Trail Advisors, LLC | 4,464 | $776.9K | 0.01% | +2,731+157.6% | Added |
| Rice Hall James & Associates, LLC | 4,536 | $789.4K | 0.04% | −75,131−94.3% | Reduced |
| Private Advisor Group, LLC | 4,667 | $812.2K | 0.00% | −64−1.4% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 4,733 | $823.7K | 0.01% | −348−6.8% | Reduced |
| Intrust Bank NA | 4,735 | $824.1K | 0.07% | −692−12.8% | Reduced |
| Meeder Advisory Services, Inc. | 4,782 | $832.3K | 0.04% | +570+13.5% | Added |
| Voleon Capital Management LP | 4,883 | $849.8K | 0.02% | −42,784−89.8% | Reduced |
| Vident Advisory, LLC | 5,014 | $872.6K | 0.01% | −544−9.8% | Reduced |
| Resources Investment Advisors, LLC. | 5,032 | $875.8K | 0.01% | +853+20.4% | Added |
| Moody Aldrich Partners LLC | 5,036 | $876.5K | 0.16% | −515−9.3% | Reduced |
| Principal Securities, Inc. | 5,121 | $891.3K | 0.01% | −1,883−26.9% | Reduced |
| Pinkerton Retirement Specialists, LLC | 5,148 | $896.0K | 0.09% | +5,148 | New |
| E. Ohman J:or Asset Management AB | 5,239 | $911.8K | 0.02% | +5,239 | New |
| Tower Research Capital LLC (TRC) | 5,297 | $921.9K | 0.02% | +3,955+294.7% | Added |
| Fulton Bank, N.A. | 5,325 | $926.8K | 0.03% | +146+2.8% | Added |
| Captrust Financial Advisors | 5,384 | $937.0K | 0.00% | −238−4.2% | Reduced |
| Commonwealth Equity Services, LLC | 5,488 | $955.2K | 0.00% | −45−0.8% | Reduced |
| Ieq Capital, LLC | 5,563 | $968.2K | 0.00% | +5,563 | New |
| Mercer Global Advisors Inc | 5,567 | $968.8K | 0.00% | +2,045+58.1% | Added |
| Groupama Asset Managment | 5,590 | $972.9K | 0.01% | −7,585−57.6% | Reduced |
| Havemeyer Place LP | 5,891 | $1.03M | 0.20% | +5,891 | New |
| Prudential Financial Inc | 5,937 | $1.03M | 0.00% | −5,033−45.9% | Reduced |
| Sequoia Financial Advisors, LLC | 5,940 | $1.03M | 0.01% | +3,633+157.5% | Added |
| Park Capital Management, LLC | 5,989 | $1.04M | 0.75% | +5,989 | New |
| XTX Topco Ltd | 6,098 | $1.06M | 0.03% | +6,098 | New |
| Vise Technologies, Inc. | 6,314 | $1.10M | 0.02% | +982+18.4% | Added |
| J. Safra Sarasin Holding AG | 6,461 | $1.12M | 0.02% | −1,096−14.5% | Reduced |
| North Dakota State Investment Board | 6,558 | $1.14M | 0.04% | +6,558 | New |
| Everence Capital Management Inc | 6,774 | $1.18M | 0.07% | +331+5.1% | Added |
| The PNC Financial Services Group, Inc. | 6,860 | $1.19M | 0.00% | +49+0.7% | Added |
| Himension Fund | 7,164 | $1.25M | 0.08% | −1,423−16.6% | Reduced |
| Colony Group, LLC | 7,174 | $1.25M | 0.00% | +2,638+58.2% | Added |
| Snowden Capital Advisors LLC | 7,234 | $1.26M | 0.03% | −535−6.9% | Reduced |
| Norinchukin Bank, The | 7,242 | $1.26M | 0.01% | +7,242 | New |
| Wiley Bros.-Aintree Capital, LLC | 7,259 | $1.26M | 0.01% | +1,213+20.1% | Added |
| Macquarie Group Ltd | 7,293 | $1.27M | 0.01% | −642,554−98.9% | Reduced |
| Comerica Bank | 7,337 | $1.28M | 0.01% | −154,467−95.5% | Reduced |
| Landscape Capital Management, L.L.C. | 7,364 | $1.28M | 0.09% | −20,830−73.9% | Reduced |
| AlphaCentric Advisors LLC | 7,588 | $1.32M | 1.32% | +7,588 | New |
| Ameritas Investment Partners, Inc. | 7,710 | $1.34M | 0.04% | +7,710 | New |
| US Bancorp | 7,748 | $1.35M | 0.00% | −903−10.4% | Reduced |
| Castleark Management LLC | 7,790 | $1.36M | 0.04% | +2,060+36.0% | Added |
| FORA Capital, LLC | 7,942 | $1.38M | 0.17% | +7,942 | New |
| Quantitative Investment Management, LLC | 8,148 | $1.42M | 0.14% | +8,148 | New |
| S&CO Inc | 8,300 | $1.44M | 0.09% | 00.0% | Unchanged |
| Royal London Asset Management Ltd | 8,510 | $1.48M | 0.00% | +8,510 | New |
| DekaBank Deutsche Girozentrale | 50,000 | $1.49M | 0.00% | 00.0% | Unchanged |
| Highland Capital Management, LLC | 8,558 | $1.49M | 0.07% | +8,558 | New |
| Dai-Ichi Life Insurance Company, Ltd | 8,633 | $1.50M | 0.04% | +8,633 | New |
| Waldron Private Wealth LLC | 8,810 | $1.53M | 0.06% | +10+0.1% | Added |
| QRG Capital Management, Inc. | 9,030 | $1.57M | 0.02% | +2,610+40.7% | Added |
| M&T Bank Corp | 9,150 | $1.59M | 0.01% | +5,056+123.5% | Added |
| Ikarian Capital, LLC | 9,337 | $1.63M | 0.21% | −4,414−32.1% | Reduced |
| Vestmark Advisory Solutions, Inc. | 9,514 | $1.66M | 0.02% | +6,966+273.4% | Added |
| Yorktown Management & Research Co Inc | 9,600 | $1.67M | 1.34% | 00.0% | Unchanged |
| AG2R la Mondiale Gestion D'Actifs | 9,677 | $1.68M | 0.07% | +9,677 | New |
| Jump Financial, LLC | 9,823 | $1.71M | 0.02% | +9,823 | New |
| Abn Amro Investment Solutions | 9,989 | $1.74M | 0.03% | +9,989 | New |
| Wealthfront Advisers LLC | 9,991 | $1.74M | 0.00% | +9,991 | New |
| Ishara Investments LP | 10,000 | $1.74M | 2.03% | +10,000 | New |
| AustralianSuper Pty Ltd | 10,005 | $1.74M | 0.01% | +10,005 | New |
| WCM Investment Management, LLC | 10,368 | $1.80M | 0.00% | −5,132−33.1% | Reduced |
| Maryland State Retirement & Pension System | 10,484 | $1.82M | 0.04% | +1,200+12.9% | Added |
| Wealth Enhancement Advisory Services, LLC | 10,427 | $1.83M | 0.00% | +2,829+37.2% | Added |
| Virtu Financial LLC | 10,922 | $1.90M | 0.07% | +10,922 | New |
| Gulf International Bank (UK) Ltd | 11,033 | $1.92M | 0.06% | +11,033 | New |
| Sectoral Asset Management Inc | 11,182 | $1.95M | 1.56% | −2,243−16.7% | Reduced |
| PKO Investment Management Joint-Stock Co | 11,300 | $1.97M | 0.16% | +11,300 | New |
| Draper Asset Management, LLC | 11,312 | $1.97M | 1.04% | +973+9.4% | Added |
| Osmosis Investment Management UK Ltd | 11,325 | $1.97M | 0.05% | +11,325 | New |
| JustInvest LLC | 11,424 | $1.99M | 0.02% | +1,872+19.6% | Added |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 11,556 | $2.01M | 0.30% | +11,556 | New |
| Emerald Advisers, LLC | 11,990 | $2.09M | 0.06% | −403−3.3% | Reduced |
| MYDA Advisors LLC | 12,000 | $2.09M | 0.59% | 00.0% | Unchanged |
| October Effect Ltd | 12,121 | $2.11M | 2.32% | +12,121 | New |
| Elo Mutual Pension Insurance Co | 12,409 | $2.16M | 0.03% | −2,677−17.7% | Reduced |
| MetLife Investment Management | 12,891 | $2.24M | 0.01% | +1,518+13.3% | Added |
| EAM Investors, LLC | 12,924 | $2.25M | 0.25% | −35,048−73.1% | Reduced |
| Fedenia Advisers LLC | 12,927 | $2.25M | 0.86% | +12,927 | New |
| Oppenheimer Asset Management Inc. | 13,151 | $2.29M | 0.03% | −2,702−17.0% | Reduced |
| Emerald Mutual Fund Advisers Trust | 13,241 | $2.30M | 0.11% | +919+7.5% | Added |
| F/M Investments LLC | 13,241 | $2.30M | 0.09% | +2,174+19.6% | Added |
| Fideuram Asset Management (Ireland) dac | 11,158 | $2.31M | 0.19% | +11,158 | New |
| Main Management ETF Advisors, LLC | 13,311 | $2.32M | 0.08% | +136+1.0% | Added |
| Jane Street Group, LLC | 13,505 | $2.35M | 0.00% | −778,229−98.3% | Reduced |
| Oak Ridge Investments LLC | 13,813 | $2.40M | 0.15% | −8,323−37.6% | Reduced |
| Bellevue Group AG | 13,915 | $2.42M | 0.05% | −6,336−31.3% | Reduced |
| Credit Agricole S A | 13,927 | $2.42M | 0.01% | +13,927 | New |
| Eurizon Capital SGR S.p.A. | 13,969 | $2.43M | 0.01% | +13,969 | New |
| Swiss Life Asset Management Ltd | 14,004 | $2.44M | 0.01% | +5,288+60.7% | Added |
| Investment Management Corp of Ontario | 14,221 | $2.48M | 0.03% | +14,221 | New |
| Louisiana State Employees Retirement System | 14,300 | $2.49M | 0.04% | +14,300 | New |
| Dark Forest Capital Management LP | 14,732 | $2.56M | 0.12% | +5,490+59.4% | Added |
| Federation des caisses Desjardins du Quebec | 15,142 | $2.63M | 0.01% | +1,919+14.5% | Added |
| Keybank National Association | 15,166 | $2.64M | 0.01% | −1,550−9.3% | Reduced |
| West Michigan Advisors, LLC | 15,418 | $2.68M | 0.62% | −2,201−12.5% | Reduced |
| Pacer Advisors, Inc. | 15,583 | $2.71M | 0.01% | +15,583 | New |
| Truist Financial Corp | 15,733 | $2.74M | 0.00% | −23,330−59.7% | Reduced |