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, Q3 2025
Institutional positions in INSMED Inc as of Sep 30, 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
- 566
- +59 vs. Q2 2025
- Shares held
- 210.9M
- +2.45M (+1.2%) vs. Q2 2025
- Total value
- $30.3B
- +$9.37B (+44.7%) vs. Q2 2025
- New holders
- 130
- 194 more added
- Sold out
- 71
- 197 more reduced
9 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Marshall & Sterling Wealth Advisors Inc. | 41 | $5.90K | 0.00% | +41 | New |
| Retirement Wealth Solutions LLC | 38 | $5.47K | 0.00% | +38 | New |
| Fairscale Capital, LLC | 37 | $5.33K | 0.00% | 00.0% | Unchanged |
| Aventura Private Wealth, LLC | 36 | $5.18K | 0.00% | 00.0% | Unchanged |
| Activest Wealth Management | 36 | $5.18K | 0.00% | +36 | New |
| Bell Investment Advisors, Inc | 35 | $5.04K | 0.00% | +8+29.6% | Added |
| Avion Wealth | 38 | $5.00K | 0.00% | +2+5.6% | Added |
| Wolff Wiese Magana LLC | 34 | $4.90K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 33 | $4.75K | 0.00% | −574−94.6% | Reduced |
| Washington Trust Advisors, Inc. | 33 | $4.75K | 0.00% | −75−69.4% | Reduced |
| Root Financial Partners, LLC | 32 | $4.61K | 0.00% | +32 | New |
| JFS Wealth Advisors, LLC | 31 | $4.46K | 0.00% | +1+3.3% | Added |
| Evermay Wealth Management LLC | 30 | $4.32K | 0.00% | +10+50.0% | Added |
| JPL Wealth Management, LLC | 30 | $4.32K | 0.00% | +30 | New |
| Webster Bank, N. A. | 30 | $4.32K | 0.00% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 30 | $4.32K | 0.00% | 00.0% | Unchanged |
| Atlantic Trust, LLC | 29 | $4.18K | 0.00% | +29 | New |
| Colonial Trust Co | 29 | $4.15K | 0.00% | +10+52.6% | Added |
| Marquette Asset Management, LLC | 28 | $4.03K | 0.00% | +28 | New |
| Cromwell Holdings LLC | 27 | $3.89K | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 26 | $3.74K | 0.00% | +26 | New |
| Sachetta, LLC | 25 | $3.60K | 0.00% | +25 | New |
| Harbour Investments, Inc. | 25 | $3.60K | 0.00% | +20+400.0% | Added |
| Park Place Capital Corp | 23 | $3.31K | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 20 | $3.29K | 0.00% | +20 | New |
| Montag A & Associates Inc | 18 | $2.60K | 0.00% | −500−96.5% | Reduced |
| Bare Financial Services, Inc | 18 | $2.59K | 0.00% | +4+28.6% | Added |
| N.E.W. Advisory Services LLC | 17 | $2.45K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 15 | $2.16K | 0.00% | −8−34.8% | Reduced |
| Roxbury Financial LLC | 15 | $2.16K | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 15 | $2.16K | 0.00% | +5+50.0% | Added |
| True Wealth Design, LLC | 15 | $2.14K | 0.00% | +13+650.0% | Added |
| Albion Financial Group | 13 | $1.87K | 0.00% | +13 | New |
| Bellevue Asset Management, LLC | 13 | $1.87K | 0.00% | −28−68.3% | Reduced |
| Quadrant Capital Group LLC | 12 | $1.73K | 0.00% | +12 | New |
| Essential Partners LLC | 12 | $1.73K | 0.00% | +10+500.0% | Added |
| Tortoise Investment Management, LLC | 11 | $1.58K | 0.00% | +6+120.0% | Added |
| UMA Financial Services, Inc. | 10 | $1.44K | 0.00% | −11−52.4% | Reduced |
| Moisand Fitzgerald Tamayo, LLC | 10 | $1.44K | 0.00% | 00.0% | Unchanged |
| MV Capital Management, Inc. | 10 | $1.44K | 0.00% | +6+150.0% | Added |
| S&T Bank | 10 | $1.44K | 0.00% | +10 | New |
| Hughes Financial Services, LLC | 7 | $1.34K | 0.00% | 00.0% | Unchanged |
| Principia Wealth Advisory, LLC | 8 | $1.15K | 0.00% | +5+166.7% | Added |
| South State Corp. | 7 | $1.01K | 0.00% | 00.0% | Unchanged |
| Cloud Capital Management, LLC | 11 | $1.00K | 0.00% | +11 | New |
| Fifth Third Bancorp | 6 | $864 | 0.00% | +6 | New |
| DiNuzzo Private Wealth, Inc. | 6 | $817 | 0.00% | 00.0% | Unchanged |
| American Capital Advisory, LLC | 5 | $721 | 0.00% | 00.0% | Unchanged |
| Breakwater Investment Management | 5 | $721 | 0.00% | +5 | New |
| Creative Financial Designs Inc | 5 | $720 | 0.00% | +5 | New |
| North Star Investment Management Corp. | 5 | $720 | 0.00% | +5 | New |
| Plante Moran Financial Advisors, LLC | 5 | $720 | 0.00% | +5 | New |
| Rothschild Investment LLC | 4 | $576 | 0.00% | +4 | New |
| J.Safra Asset Management Corp | 4 | $576 | 0.00% | +4 | New |
| Bogart Wealth, LLC | 4 | $576 | 0.00% | +4 | New |
| SJS Investment Consulting Inc. | 3 | $433 | 0.00% | 00.0% | Unchanged |
| Quaker Wealth Management, LLC | 2 | $289 | 0.00% | +2 | New |
| High Note Wealth, LLC | 2 | $288 | 0.00% | 00.0% | Unchanged |
| Country Trust Bank | 2 | $288 | 0.00% | +2 | New |
| Bay Harbor Wealth Management, LLC | 2 | $288 | 0.00% | +2 | New |
| Davis Capital Management | 2 | $288 | 0.00% | +2 | New |
| Dogwood Wealth Management LLC | 2 | $288 | 0.00% | +2 | New |
| HFM Investment Advisors, LLC | 2 | $288 | 0.00% | +2 | New |
| Seneschal Advisors, LLC | 1 | $145 | 0.00% | +1 | New |
| Rialto Wealth Management, LLC | 1 | $145 | 0.00% | +1 | New |
| Concord Wealth Partners | 1 | $144 | 0.00% | 00.0% | Unchanged |
| Deep Track Capital, LP | 0 | $0 | 0.00% | −1,750,000−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −729,597−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −603,702−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −339,825−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −283,102−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −250,100−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −226,603−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −210,647−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −181,554−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −149,591−100.0% | Sold out |
| Segall Bryant & Hamill, LLC | 0 | $0 | 0.00% | −119,136−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −94,052−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −92,717−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −92,300−100.0% | Sold out |
| Peregrine Capital Management LLC | 0 | $0 | 0.00% | −88,695−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −81,743−100.0% | Sold out |
| Iron Triangle Partners LP | 0 | $0 | 0.00% | −70,000−100.0% | Sold out |
| First Light Asset Management, LLC | 0 | $0 | 0.00% | −62,901−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −56,380−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −54,302−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −50,206−100.0% | Sold out |
| Ally Bridge Group (NY) LLC | 0 | $0 | 0.00% | −47,710−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −46,786−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −36,661−100.0% | Sold out |
| ArrowMark Colorado Holdings LLC | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −27,642−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −27,375−100.0% | Sold out |
| Resolute Capital Asset Partners LLC | 0 | $0 | 0.00% | −27,301−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −26,301−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −22,268−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −22,067−100.0% | Sold out |
| Bollard Group LLC | 0 | $0 | 0.00% | −17,191−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −14,347−100.0% | Sold out |