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 |
|---|---|---|---|---|---|
| Morgan Creek Capital Management, LLC | 1,251 | $204.6K | 0.14% | +1,251 | New |
| KRS Capital Management, LLC | 1,244 | $203.4K | 0.12% | +1,244 | New |
| MAI Capital Management | 1,227 | $200.6K | 0.00% | +672+121.1% | Added |
| Berbice Capital Management LLC | 1,200 | $196.2K | 0.13% | +500+71.4% | Added |
| Signaturefd, LLC | 1,165 | $190.5K | 0.00% | +279+31.5% | Added |
| First Horizon Corp | 1,083 | $177.1K | 0.01% | −23−2.1% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 1,084 | $177.0K | 0.00% | +1,084 | New |
| LRI Investments, LLC | 1,048 | $171.3K | 0.02% | −25−2.3% | Reduced |
| Rossby Financial, LCC | 1,033 | $170.3K | 0.04% | +5+0.5% | Added |
| Manchester Capital Management LLC | 1,017 | $166.3K | 0.02% | −3−0.3% | Reduced |
| Los Angeles Capital Management LLC | 936 | $153.1K | 0.00% | −81,449−98.9% | Reduced |
| EverSource Wealth Advisors, LLC | 826 | $135.1K | 0.00% | +79+10.6% | Added |
| Bessemer Group Inc | 823 | $135.0K | 0.00% | −145−15.0% | Reduced |
| E Fund Management (Hong Kong) Co., Ltd. | 816 | $133.4K | 0.06% | +103+14.4% | Added |
| Spire Wealth Management | 765 | $125.1K | 0.00% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 758 | $123.9K | 0.01% | +410+117.8% | Added |
| Golden State Equity Partners | 743 | $121.5K | 0.01% | +743 | New |
| Bryn Mawr Trust Co | 730 | $119.4K | 0.00% | +730 | New |
| Allworth Financial LP | 726 | $118.7K | 0.00% | +91+14.3% | Added |
| Pinnacle Wealth Planning Services, Inc. | 723 | $118.2K | 0.01% | −120−14.2% | Reduced |
| International Assets Investment Management, LLC | 699 | $115.2K | 0.01% | +369+111.8% | Added |
| Steward Partners Investment Advisory, LLC | 701 | $114.6K | 0.00% | −8−1.1% | Reduced |
| Hilltop National Bank | 662 | $108.3K | 0.03% | +42+6.8% | Added |
| Quent Capital, LLC | 616 | $100.7K | 0.01% | +573+1,332.6% | Added |
| Avanza Fonder AB | 445 | $72.8K | 0.00% | −259−36.8% | Reduced |
| Whittier Trust Co of Nevada Inc | 444 | $72.7K | 0.00% | +206+86.6% | Added |
| RiverPark Advisors, LLC | 439 | $71.8K | 0.03% | +107+32.2% | Added |
| Geneos Wealth Management Inc. | 414 | $67.7K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 376 | $61.5K | 0.01% | +136+56.7% | Added |
| Private Wealth Asset Management, LLC | 333 | $54.5K | 0.01% | 00.0% | Unchanged |
| Bayforest Capital Ltd | 326 | $53.3K | 0.06% | −1,095−77.1% | Reduced |
| Ronald Blue Trust, Inc. | 324 | $53.0K | 0.00% | −16−4.7% | Reduced |
| SBI Securities Co., Ltd. | 304 | $49.7K | 0.00% | −564−65.0% | Reduced |
| TD Waterhouse Canada Inc. | 300 | $49.5K | 0.00% | +300 | New |
| Umb Bank N A | 287 | $46.9K | 0.00% | +44+18.1% | Added |
| Advisory Services Network, LLC | 284 | $46.4K | 0.00% | +284 | New |
| Northwestern Mutual Wealth Management Co | 283 | $46.3K | 0.00% | −147−34.2% | Reduced |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 280 | $45.8K | 0.02% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 250 | $40.9K | 0.02% | 00.0% | Unchanged |
| Larson Financial Group LLC | 247 | $40.4K | 0.00% | −9−3.5% | Reduced |
| Timothy G. Youngquist 2020 Irrevocable Trust | 240 | $39.2K | 0.02% | +240 | New |
| Acadian Asset Management LLC | 240 | $39.0K | 0.00% | −3,365−93.3% | Reduced |
| Huntington National Bank | 238 | $38.9K | 0.00% | +51+27.3% | Added |
| Massmutual Trust Co FSB | 228 | $37.3K | 0.00% | +10+4.6% | Added |
| Kemnay Advisory Services Inc. | 219 | $35.8K | 0.01% | +135+160.7% | Added |
| Ancora Advisors, LLC | 214 | $35.0K | 0.00% | 00.0% | Unchanged |
| Stone House Investment Management, LLC | 200 | $32.7K | 0.01% | −2−1.0% | Reduced |
| RWM Asset Management, LLC | 175 | $28.6K | 0.00% | +175 | New |
| Raiffeisen Bank International AG | 184 | $28.2K | 0.00% | 00.0% | Unchanged |
| J.Safra Asset Management Corp | 161 | $26.3K | 0.00% | +136+544.0% | Added |
| CX Institutional | 150 | $25.0K | 0.00% | +150 | New |
| SRS Capital Advisors, Inc. | 152 | $24.9K | 0.00% | −215−58.6% | Reduced |
| V-Square Quantitative Management LLC | 143 | $23.4K | 0.00% | +143 | New |
| Wellington-Altus USA Inc. | 219 | $23.4K | 0.01% | −16−6.8% | Reduced |
| Osbon Capital Management LLC | 137 | $22.4K | 0.02% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 150 | $21.1K | 0.00% | −1,740−92.1% | Reduced |
| Meeder Asset Management Inc | 125 | $20.4K | 0.00% | +80+177.8% | Added |
| Contravisory Investment Management, Inc. | 122 | $19.9K | 0.00% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 120 | $19.6K | 0.00% | +34+39.5% | Added |
| Cedar Mountain Advisors, LLC | 118 | $19.3K | 0.00% | +118 | New |
| Owl Creek Wealth Partners LLC | 115 | $18.8K | 0.01% | +115 | New |
| Bank of Jackson Hole Trust | 114 | $18.6K | 0.01% | +52+83.9% | Added |
| AdvisorNet Financial, Inc | 108 | $17.7K | 0.00% | −814−88.3% | Reduced |
| WPG Advisers, LLC | 99 | $16.2K | 0.01% | −19−16.1% | Reduced |
| Covestor Ltd | 86 | $14.0K | 0.01% | −81−48.5% | Reduced |
| Truvestments Capital LLC | 84 | $13.7K | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 79 | $13.0K | 0.00% | −35−30.7% | Reduced |
| Catalyst Capital Advisors LLC | 77 | $12.6K | 0.00% | +77 | New |
| Harbour Investments, Inc. | 76 | $12.4K | 0.00% | −45−37.2% | Reduced |
| Sunbelt Securities, Inc. | 74 | $12.1K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 72 | $11.8K | 0.00% | +36+100.0% | Added |
| Basecamp Wealth Advisors LLC | 71 | $11.6K | 0.00% | +23+47.9% | Added |
| Whittier Trust Co | 70 | $11.5K | 0.00% | +70 | New |
| Grove Bank & Trust | 69 | $11.3K | 0.00% | +1+1.5% | Added |
| Twin Peaks Wealth Advisors, LLC | 68 | $11.1K | 0.00% | +68 | New |
| Swiss Re Ltd | 62 | $10.1K | 0.06% | 00.0% | Unchanged |
| Fourth Dimension Wealth, LLC | 57 | $9.32K | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 57 | $9.32K | 0.00% | +22+62.9% | Added |
| Salomon & Ludwin, LLC | 55 | $8.93K | 0.00% | +3+5.8% | Added |
| Financial Consulate, Inc | 54 | $8.83K | 0.00% | +1+1.9% | Added |
| Root Financial Partners, LLC | 52 | $8.50K | 0.00% | +3+6.1% | Added |
| Cornerstone Planning Group LLC | 60 | $8.37K | 0.00% | +22+57.9% | Added |
| Private Trust Co NA | 50 | $8.18K | 0.00% | 00.0% | Unchanged |
| Signature Equity Partners, LLC | 43 | $7.03K | 0.00% | +21+95.5% | Added |
| Sachetta, LLC | 42 | $6.87K | 0.00% | +14+50.0% | Added |
| Dunhill Financial, LLC | 41 | $6.79K | 0.00% | +38+1,266.7% | Added |
| Cromwell Holdings LLC | 40 | $6.54K | 0.00% | +13+48.1% | Added |
| CVA Family Office, LLC | 40 | $6.54K | 0.00% | +38+1,900.0% | Added |
| Pension & Wealth Management Advisors, Inc. | 40 | $6.54K | 0.00% | +40 | New |
| Bell Investment Advisors, Inc | 38 | $6.21K | 0.00% | −36−48.6% | Reduced |
| Wall Street Financial Group, Inc. | 38 | $6.21K | 0.00% | +38 | New |
| JFS Wealth Advisors, LLC | 37 | $6.05K | 0.00% | −2−5.1% | Reduced |
| Fairscale Capital, LLC | 37 | $6.05K | 0.00% | 00.0% | Unchanged |
| Rakuten Securities, Inc. | 36 | $5.89K | 0.00% | −1,117−96.9% | Reduced |
| Aventura Private Wealth, LLC | 36 | $5.89K | 0.00% | 00.0% | Unchanged |
| Dogwood Wealth Management LLC | 36 | $5.89K | 0.00% | +11+44.0% | Added |
| NBC Securities, Inc. | 36 | $5.89K | 0.00% | +12+50.0% | Added |
| Brown Brothers Harriman & Co | 35 | $5.72K | 0.00% | +11+45.8% | Added |
| Wolff Wiese Magana LLC | 34 | $5.56K | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 33 | $5.40K | 0.00% | 00.0% | Unchanged |