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 2026
Institutional positions in INSMED Inc as of Mar 31, 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
- 675
- +8 vs. Q4 2025
- Shares held
- 220.9M
- +27.6M (+14.3%) vs. Q4 2025
- Total value
- $35.7B
- +$2.06B (+6.1%) vs. Q4 2025
- New holders
- 101
- 288 more added
- Sold out
- 93
- 216 more reduced
11 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Twin Peaks Wealth Advisors, LLC | 68 | $11.1K | 0.00% | +68 | New |
| Grove Bank & Trust | 69 | $11.3K | 0.00% | +1+1.5% | Added |
| Whittier Trust Co | 70 | $11.5K | 0.00% | +70 | New |
| Basecamp Wealth Advisors LLC | 71 | $11.6K | 0.00% | +23+47.9% | Added |
| Rothschild Investment LLC | 72 | $11.8K | 0.00% | +36+100.0% | Added |
| Sunbelt Securities, Inc. | 74 | $12.1K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 76 | $12.4K | 0.00% | −45−37.2% | Reduced |
| Catalyst Capital Advisors LLC | 77 | $12.6K | 0.00% | +77 | New |
| Sound Income Strategies, LLC | 79 | $13.0K | 0.00% | −35−30.7% | Reduced |
| Truvestments Capital LLC | 84 | $13.7K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 86 | $14.0K | 0.01% | −81−48.5% | Reduced |
| WPG Advisers, LLC | 99 | $16.2K | 0.01% | −19−16.1% | Reduced |
| AdvisorNet Financial, Inc | 108 | $17.7K | 0.00% | −814−88.3% | Reduced |
| Bank of Jackson Hole Trust | 114 | $18.6K | 0.01% | +52+83.9% | Added |
| Owl Creek Wealth Partners LLC | 115 | $18.8K | 0.01% | +115 | New |
| Cedar Mountain Advisors, LLC | 118 | $19.3K | 0.00% | +118 | New |
| TD Private Client Wealth LLC | 120 | $19.6K | 0.00% | +34+39.5% | Added |
| Contravisory Investment Management, Inc. | 122 | $19.9K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 125 | $20.4K | 0.00% | +80+177.8% | Added |
| Parallax Volatility Advisers, L.P. | 150 | $21.1K | 0.00% | −1,740−92.1% | Reduced |
| Osbon Capital Management LLC | 137 | $22.4K | 0.02% | 00.0% | Unchanged |
| Wellington-Altus USA Inc. | 219 | $23.4K | 0.01% | −16−6.8% | Reduced |
| V-Square Quantitative Management LLC | 143 | $23.4K | 0.00% | +143 | New |
| SRS Capital Advisors, Inc. | 152 | $24.9K | 0.00% | −215−58.6% | Reduced |
| CX Institutional | 150 | $25.0K | 0.00% | +150 | New |
| J.Safra Asset Management Corp | 161 | $26.3K | 0.00% | +136+544.0% | Added |
| Raiffeisen Bank International AG | 184 | $28.2K | 0.00% | 00.0% | Unchanged |
| RWM Asset Management, LLC | 175 | $28.6K | 0.00% | +175 | New |
| Stone House Investment Management, LLC | 200 | $32.7K | 0.01% | −2−1.0% | Reduced |
| Ancora Advisors, LLC | 214 | $35.0K | 0.00% | 00.0% | Unchanged |
| Kemnay Advisory Services Inc. | 219 | $35.8K | 0.01% | +135+160.7% | Added |
| Massmutual Trust Co FSB | 228 | $37.3K | 0.00% | +10+4.6% | Added |
| Huntington National Bank | 238 | $38.9K | 0.00% | +51+27.3% | Added |
| Acadian Asset Management LLC | 240 | $39.0K | 0.00% | −3,365−93.3% | Reduced |
| Timothy G. Youngquist 2020 Irrevocable Trust | 240 | $39.2K | 0.02% | +240 | New |
| Larson Financial Group LLC | 247 | $40.4K | 0.00% | −9−3.5% | Reduced |
| HighMark Wealth Management LLC | 250 | $40.9K | 0.02% | 00.0% | Unchanged |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 280 | $45.8K | 0.02% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 283 | $46.3K | 0.00% | −147−34.2% | Reduced |
| Advisory Services Network, LLC | 284 | $46.4K | 0.00% | +284 | New |
| Umb Bank N A | 287 | $46.9K | 0.00% | +44+18.1% | Added |
| TD Waterhouse Canada Inc. | 300 | $49.5K | 0.00% | +300 | New |
| SBI Securities Co., Ltd. | 304 | $49.7K | 0.00% | −564−65.0% | Reduced |
| Ronald Blue Trust, Inc. | 324 | $53.0K | 0.00% | −16−4.7% | Reduced |
| Bayforest Capital Ltd | 326 | $53.3K | 0.06% | −1,095−77.1% | Reduced |
| Private Wealth Asset Management, LLC | 333 | $54.5K | 0.01% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 376 | $61.5K | 0.01% | +136+56.7% | Added |
| Geneos Wealth Management Inc. | 414 | $67.7K | 0.00% | 00.0% | Unchanged |
| RiverPark Advisors, LLC | 439 | $71.8K | 0.03% | +107+32.2% | Added |
| Whittier Trust Co of Nevada Inc | 444 | $72.7K | 0.00% | +206+86.6% | Added |
| Avanza Fonder AB | 445 | $72.8K | 0.00% | −259−36.8% | Reduced |
| Quent Capital, LLC | 616 | $100.7K | 0.01% | +573+1,332.6% | Added |
| Hilltop National Bank | 662 | $108.3K | 0.03% | +42+6.8% | Added |
| Steward Partners Investment Advisory, LLC | 701 | $114.6K | 0.00% | −8−1.1% | Reduced |
| International Assets Investment Management, LLC | 699 | $115.2K | 0.01% | +369+111.8% | Added |
| Pinnacle Wealth Planning Services, Inc. | 723 | $118.2K | 0.01% | −120−14.2% | Reduced |
| Allworth Financial LP | 726 | $118.7K | 0.00% | +91+14.3% | Added |
| Bryn Mawr Trust Co | 730 | $119.4K | 0.00% | +730 | New |
| Golden State Equity Partners | 743 | $121.5K | 0.01% | +743 | New |
| Transamerica Financial Advisors, Inc. | 758 | $123.9K | 0.01% | +410+117.8% | Added |
| Spire Wealth Management | 765 | $125.1K | 0.00% | 00.0% | Unchanged |
| E Fund Management (Hong Kong) Co., Ltd. | 816 | $133.4K | 0.06% | +103+14.4% | Added |
| Bessemer Group Inc | 823 | $135.0K | 0.00% | −145−15.0% | Reduced |
| EverSource Wealth Advisors, LLC | 826 | $135.1K | 0.00% | +79+10.6% | Added |
| Los Angeles Capital Management LLC | 936 | $153.1K | 0.00% | −81,449−98.9% | Reduced |
| Manchester Capital Management LLC | 1,017 | $166.3K | 0.02% | −3−0.3% | Reduced |
| Rossby Financial, LCC | 1,033 | $170.3K | 0.04% | +5+0.5% | Added |
| LRI Investments, LLC | 1,048 | $171.3K | 0.02% | −25−2.3% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 1,084 | $177.0K | 0.00% | +1,084 | New |
| First Horizon Corp | 1,083 | $177.1K | 0.01% | −23−2.1% | Reduced |
| Signaturefd, LLC | 1,165 | $190.5K | 0.00% | +279+31.5% | Added |
| Berbice Capital Management LLC | 1,200 | $196.2K | 0.13% | +500+71.4% | Added |
| MAI Capital Management | 1,227 | $200.6K | 0.00% | +672+121.1% | Added |
| KRS Capital Management, LLC | 1,244 | $203.4K | 0.12% | +1,244 | New |
| Morgan Creek Capital Management, LLC | 1,251 | $204.6K | 0.14% | +1,251 | New |
| Brucke Financial, Inc. | 1,253 | $204.9K | 0.10% | −129−9.3% | Reduced |
| Coastal Bridge Advisors, LLC | 1,264 | $206.7K | 0.01% | −176−12.2% | Reduced |
| Leonteq Securities AG | 1,270 | $207.7K | 0.01% | −1,730−57.7% | Reduced |
| Charter Capital Management, LLC | 1,275 | $208.5K | 0.10% | 00.0% | Unchanged |
| JGP Global Gestao de Recursos Ltda. | 1,296 | $211.9K | 0.95% | −1,203−48.1% | Reduced |
| Kestra Advisory Services, LLC | 1,307 | $213.7K | 0.00% | −1,224−48.4% | Reduced |
| Fidelis Capital Partners, LLC | 1,325 | $216.7K | 0.02% | +54+4.2% | Added |
| OpenArc Corporate Advisory, LLC | 1,334 | $218.1K | 0.00% | +1,334 | New |
| Fiduciary Trust Co | 1,389 | $227.1K | 0.00% | +1,389 | New |
| Diversify Wealth Management, LLC | 1,704 | $230.1K | 0.00% | +1,704 | New |
| Wealth Alliance | 1,421 | $232.4K | 0.02% | +28+2.0% | Added |
| Dynasty Wealth Management, LLC | 1,422 | $232.5K | 0.00% | +1,422 | New |
| Journey Strategic Wealth LLC | 1,433 | $234.3K | 0.01% | +262+22.4% | Added |
| Independent Advisor Alliance | 1,434 | $234.5K | 0.00% | +35+2.5% | Added |
| Allegheny Financial Group LTD | 1,479 | $241.8K | 0.03% | −2−0.1% | Reduced |
| Change Path, LLC | 1,485 | $242.8K | 0.01% | +35+2.4% | Added |
| Knollwood Investment Advisory, LLC | 1,501 | $245.4K | 0.02% | 00.0% | Unchanged |
| Stratos Wealth Partners, LTD. | 1,502 | $245.6K | 0.00% | −135−8.2% | Reduced |
| Everpar Advisors LLC | 1,503 | $245.8K | 0.08% | −70−4.5% | Reduced |
| Anb Bank | 1,507 | $246.4K | 0.10% | −441−22.6% | Reduced |
| Meridian Wealth Management, LLC | 1,529 | $250.0K | 0.01% | −111−6.8% | Reduced |
| Norden Group LLC | 1,594 | $260.7K | 0.03% | +1,594 | New |
| Smartleaf Asset Management LLC | 1,747 | $267.9K | 0.01% | +304+21.1% | Added |
| VARCOV Co. | 1,649 | $269.6K | 0.10% | +1,649 | New |
| Frank, Rimerman Advisors LLC | 1,697 | $277.5K | 0.02% | +1,697 | New |