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, Q2 2026
Institutional positions in INSMED Inc as of Jun 30, 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
- 667
- −3 vs. Q1 2026
- Shares held
- 223.7M
- +3.22M (+1.5%) vs. Q1 2026
- Total value
- $23.8B
- −$11.8B (−33.1%) vs. Q1 2026
- New holders
- 119
- 247 more added
- Sold out
- 122
- 231 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Quantitative Investment Management, LLC | 15,894 | $1.69M | 0.18% | +1,589+11.1% | Added |
| Brevan Howard Capital Management LP | 15,677 | $1.67M | 0.02% | +12,156+345.2% | Added |
| Truist Financial Corp | 15,621 | $1.67M | 0.00% | +205+1.3% | Added |
| Amalgamated Bank | 15,577 | $1.66M | 0.01% | −344−2.2% | Reduced |
| Emerald Advisers, LLC | 15,252 | $1.63M | 0.04% | +3,262+27.2% | Added |
| Oak Ridge Investments LLC | 15,068 | $1.61M | 0.09% | −976−6.1% | Reduced |
| Saudi Central Bank | 14,732 | $1.57M | 0.02% | +6,860+87.1% | Added |
| Profund Advisors LLC | 14,602 | $1.56M | 0.04% | −13,335−47.7% | Reduced |
| SBI Okasan Asset Management Co.Ltd. | 14,700 | $1.54M | 0.05% | −3,300−18.3% | Reduced |
| Simplify Asset Management Inc. | 14,190 | $1.51M | 0.02% | +3,407+31.6% | Added |
| Exome Asset Management LLC | 13,873 | $1.48M | 0.91% | −12,778−47.9% | Reduced |
| Federation des caisses Desjardins du Quebec | 13,722 | $1.46M | 0.00% | +2,205+19.1% | Added |
| Twinbeech Capital LP | 13,646 | $1.45M | 0.26% | +13,646 | New |
| Investment Management Corp of Ontario | 13,421 | $1.43M | 0.02% | −1,800−11.8% | Reduced |
| Capital Investment Advisors, LLC | 13,238 | $1.41M | 0.02% | −7−0.1% | Reduced |
| S&CO Inc | 13,000 | $1.39M | 0.08% | +4,700+56.6% | Added |
| Thrivent Financial for Lutherans | 12,633 | $1.35M | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 12,580 | $1.34M | 0.02% | −413−3.2% | Reduced |
| Atria Investments LLC | 12,370 | $1.32M | 0.01% | −9,475−43.4% | Reduced |
| Inceptionr LLC | 12,296 | $1.31M | 0.32% | +7,124+137.7% | Added |
| Wealth Enhancement Advisory Services, LLC | 11,300 | $1.31M | 0.00% | +2,218+24.4% | Added |
| Tokio Marine Asset Management Co Ltd | 12,200 | $1.30M | 0.04% | +2,907+31.3% | Added |
| Banque Cantonale Vaudoise | 12,070 | $1.29M | 0.05% | +8,147+207.7% | Added |
| Abn Amro Investment Solutions | 12,028 | $1.28M | 0.01% | −1,115−8.5% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 12,000 | $1.28M | 0.01% | 00.0% | Unchanged |
| MetLife Investment Management | 11,926 | $1.27M | 0.01% | −364−3.0% | Reduced |
| Rakuten Investment Management, Inc. | 12,109 | $1.27M | 0.00% | −31,740−72.4% | Reduced |
| Virtus Investment Advisers, Inc. | 11,884 | $1.27M | 0.30% | +7,601+177.5% | Added |
| Aster Capital Management (DIFC) Ltd | 11,814 | $1.26M | 0.27% | +11,762+22,619.2% | Added |
| O'Shaughnessy Asset Management, LLC | 11,730 | $1.25M | 0.01% | −4,320−26.9% | Reduced |
| AlphaCentric Advisors LLC | 11,699 | $1.25M | 1.06% | +2,825+31.8% | Added |
| Aureus Asset Management, LLC | 11,441 | $1.22M | 0.07% | +5,441+90.7% | Added |
| Maryland State Retirement & Pension System | 11,369 | $1.21M | 0.02% | +885+8.4% | Added |
| JustInvest LLC | 11,342 | $1.21M | 0.01% | +132+1.2% | Added |
| CWM Advisors, LLC | 11,287 | $1.20M | 0.05% | +11,287 | New |
| Emerald Mutual Fund Advisers Trust | 11,218 | $1.20M | 0.04% | +2,988+36.3% | Added |
| F/M Investments LLC | 11,218 | $1.20M | 0.06% | +2,988+36.3% | Added |
| Legato Capital Management LLC | 11,129 | $1.19M | 0.10% | −28,425−71.9% | Reduced |
| Tower Research Capital LLC (TRC) | 10,927 | $1.17M | 0.03% | −4,483−29.1% | Reduced |
| Aquatic Capital Management LLC | 10,593 | $1.13M | 0.04% | +10,593 | New |
| Credit Agricole S A | 10,554 | $1.13M | 0.00% | +3,053+40.7% | Added |
| Two Sigma Securities, LLC | 10,338 | $1.10M | 0.10% | +8,425+440.4% | Added |
| Sanctuary Advisors, LLC | 10,253 | $1.09M | 0.01% | −13,716−57.2% | Reduced |
| CIBC Asset Management Inc | 10,148 | $1.08M | 0.00% | −38,045−78.9% | Reduced |
| Bamco Inc | 10,000 | $1.07M | 0.00% | −10,000−50.0% | Reduced |
| Park Avenue Securities LLC | 9,927 | $1.06M | 0.01% | −382−3.7% | Reduced |
| Jefferies Financial Group Inc. | 9,896 | $1.06M | 0.01% | +6,396+182.7% | Added |
| Vident Advisory, LLC | 9,856 | $1.05M | 0.01% | +48+0.5% | Added |
| Fieldview Capital Management, LLC | 9,748 | $1.04M | 0.30% | +7,549+343.3% | Added |
| Dark Forest Capital Management LP | 9,356 | $997.5K | 0.06% | +6,898+280.6% | Added |
| Allianz Asset Management GmbH | 9,200 | $980.9K | 0.00% | −5,400−37.0% | Reduced |
| CIBC Bancorp USA Inc. | 9,068 | $954.7K | 0.00% | −1,938−17.6% | Reduced |
| M&T Bank Corp | 8,932 | $952.2K | 0.00% | −530−5.6% | Reduced |
| Colony Group, LLC | 8,915 | $950.6K | 0.00% | +4,852+119.4% | Added |
| Waldron Private Wealth LLC | 8,810 | $939.3K | 0.03% | 00.0% | Unchanged |
| Gabelli Funds LLC | 8,550 | $911.6K | 0.01% | +5,850+216.7% | Added |
| Calamos Advisors LLC | 8,507 | $907.0K | 0.00% | −27,866−76.6% | Reduced |
| LMR Partners LLP | 8,400 | $895.6K | 0.01% | +5,100+154.5% | Added |
| The PNC Financial Services Group, Inc. | 8,154 | $869.4K | 0.00% | −756−8.5% | Reduced |
| RMB Capital Management, LLC | 8,014 | $854.5K | 0.01% | +8,014 | New |
| QRG Capital Management, Inc. | 7,984 | $851.3K | 0.01% | −617−7.2% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 7,952 | $847.0K | 0.00% | −246−3.0% | Reduced |
| Yorktown Management & Research Co Inc | 7,925 | $845.0K | 0.52% | 00.0% | Unchanged |
| Summit Trail Advisors, LLC | 7,922 | $844.6K | 0.01% | +1,208+18.0% | Added |
| Prudential Financial Inc | 7,815 | $833.2K | 0.00% | −8,060−50.8% | Reduced |
| Castleark Management LLC | 7,790 | $830.6K | 0.02% | 00.0% | Unchanged |
| E. Ohman J:or Asset Management AB | 7,789 | $830.5K | 0.02% | +2,550+48.7% | Added |
| J.Safra Asset Management Corp | 7,650 | $815.6K | 0.04% | +7,489+4,651.6% | Added |
| US Bancorp | 7,517 | $801.5K | 0.00% | +140+1.9% | Added |
| GWM Advisors LLC | 7,354 | $784.0K | 0.00% | +1,339+22.3% | Added |
| State of Wyoming | 7,336 | $782.2K | 0.08% | +7,336 | New |
| Snowden Capital Advisors LLC | 7,262 | $774.3K | 0.02% | −309−4.1% | Reduced |
| Keybank National Association | 7,252 | $773.2K | 0.00% | −7,584−51.1% | Reduced |
| Rockefeller Capital Management L.P. | 7,165 | $763.9K | 0.00% | −264−3.6% | Reduced |
| AustralianSuper Pty Ltd | 7,157 | $763.1K | 0.00% | −4,513−38.7% | Reduced |
| ProShare Advisors LLC | 7,109 | $758.0K | 0.00% | −276,032−97.5% | Reduced |
| MYDA Advisors LLC | 7,000 | $746.3K | 0.18% | 00.0% | Unchanged |
| Principal Securities, Inc. | 6,728 | $717.3K | 0.01% | +1,463+27.8% | Added |
| Verition Fund Management LLC | 6,633 | $707.2K | 0.00% | +6,633 | New |
| Nan Fung Group Holdings Ltd | 6,580 | $701.6K | 0.53% | 00.0% | Unchanged |
| Quarry LP | 6,254 | $666.8K | 0.11% | +6,254 | New |
| North Dakota State Investment Board | 6,226 | $663.8K | 0.03% | +173+2.9% | Added |
| Cannon Advisors, Inc. | 6,018 | $662.6K | 0.40% | +6,018 | New |
| PEAK6 LLC | 6,209 | $662.0K | 0.02% | −1,717−21.7% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 6,097 | $643.5K | 0.00% | −116,861−95.0% | Reduced |
| Walleye Trading LLC | 5,834 | $622.0K | 0.01% | −1,786−23.4% | Reduced |
| Laurion Capital Management LP | 5,728 | $610.7K | 0.04% | +5,728 | New |
| Advisory Services Network, LLC | 5,701 | $607.8K | 0.01% | +5,417+1,907.4% | Added |
| Bayesian Capital Management, LP | 5,700 | $607.7K | 0.39% | +5,700 | New |
| Groupama Asset Managment | 5,541 | $580.4K | 0.01% | −49−0.9% | Reduced |
| Fulton Bank, N.A. | 5,348 | $570.2K | 0.02% | +10+0.2% | Added |
| iA Global Asset Management Inc. | 5,272 | $562.0K | 0.01% | −29,705−84.9% | Reduced |
| Macquarie Group Ltd | 5,193 | $553.7K | 0.00% | 00.0% | Unchanged |
| PKO Investment Management Joint-Stock Co | 5,100 | $543.8K | 0.04% | −6,700−56.8% | Reduced |
| UniSuper Management Pty Ltd | 5,079 | $541.5K | 0.00% | +879+20.9% | Added |
| Nwam LLC | 5,071 | $540.7K | 0.03% | −39,812−88.7% | Reduced |
| Ethic Inc. | 5,002 | $533.3K | 0.01% | −1,668−25.0% | Reduced |
| New York Life Investment Management LLC | 4,942 | $526.9K | 0.00% | +992+25.1% | Added |
| Osmosis Investment Management UK Ltd | 4,926 | $525.2K | 0.02% | −5,549−53.0% | Reduced |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 4,913 | $523.8K | 0.01% | +919+23.0% | Added |