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 2025
Institutional positions in INSMED Inc as of Jun 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
- 516
- +78 vs. Q1 2025
- Shares held
- 210.4M
- +10.8M (+5.4%) vs. Q1 2025
- Total value
- $21.2B
- +$5.90B (+38.7%) vs. Q1 2025
- New holders
- 130
- 166 more added
- Sold out
- 52
- 188 more reduced
4 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Teacher Retirement System of Texas | 49,013 | $4.93M | 0.02% | +3,330+7.3% | Added |
| Handelsbanken Fonder AB | 48,081 | $4.84M | 0.02% | −1,100−2.2% | Reduced |
| Ally Bridge Group (NY) LLC | 47,710 | $4.80M | 4.00% | −37,400−43.9% | Reduced |
| First Trust Advisors LP | 47,392 | $4.77M | 0.00% | +21,176+80.8% | Added |
| Catalyst Funds Management Pty Ltd | 47,175 | $4.75M | 1.31% | +47,175 | New |
| Erste Asset Management GmbH | 47,600 | $4.74M | 0.04% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 46,786 | $4.71M | 0.20% | −26,030−35.7% | Reduced |
| Truist Financial Corp | 46,483 | $4.68M | 0.01% | +1,409+3.1% | Added |
| Great West Life Assurance Co | 46,250 | $4.66M | 0.01% | +3,792+8.9% | Added |
| Tower Research Capital LLC (TRC) | 45,235 | $4.55M | 0.12% | +37,820+510.0% | Added |
| Brinker Capital Investments, LLC | 41,817 | $4.21M | 0.04% | +3,082+8.0% | Added |
| Guggenheim Capital LLC | 41,391 | $4.17M | 0.03% | +5,945+16.8% | Added |
| Monashee Investment Management LLC | 40,000 | $4.03M | 2.12% | +40,000 | New |
| Pathstone Holdings, LLC | 38,627 | $3.89M | 0.02% | −6,906−15.2% | Reduced |
| KLP Kapitalforvaltning AS | 37,800 | $3.80M | 0.02% | +3,600+10.5% | Added |
| Acuta Capital Partners, LLC | 37,070 | $3.73M | 5.21% | −69,004−65.1% | Reduced |
| Bamco Inc | 36,700 | $3.69M | 0.01% | −23,300−38.8% | Reduced |
| Nebula Research & Development LLC | 36,661 | $3.69M | 0.31% | +33,282+985.0% | Added |
| China Universal Asset Management Co., Ltd. | 36,582 | $3.68M | 0.35% | +277+0.8% | Added |
| Legato Capital Management LLC | 36,079 | $3.63M | 0.43% | −5,778−13.8% | Reduced |
| Natixis Advisors, L.P. | 35,459 | $3.57M | 0.01% | +5,597+18.7% | Added |
| Oak Ridge Investments LLC | 34,188 | $3.44M | 0.25% | −7,757−18.5% | Reduced |
| Cinctive Capital Management LP | 32,874 | $3.31M | 0.18% | +9,321+39.6% | Added |
| Assetmark, Inc | 32,125 | $3.23M | 0.01% | +5,892+22.5% | Added |
| MYDA Advisors LLC | 32,000 | $3.22M | 0.90% | +24,000+300.0% | Added |
| Cetera Investment Advisers | 31,462 | $3.17M | 0.01% | +10,783+52.1% | Added |
| ArrowMark Colorado Holdings LLC | 30,000 | $3.02M | 0.05% | 00.0% | Unchanged |
| Bank of Montreal | 29,685 | $2.99M | 0.00% | −721−2.4% | Reduced |
| Mariner, LLC | 29,375 | $2.96M | 0.00% | −2,473−7.8% | Reduced |
| Cerity Partners LLC | 28,141 | $2.83M | 0.01% | −3,297−10.5% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 27,789 | $2.80M | 0.01% | 00.0% | Unchanged |
| Scientech Research LLC | 27,642 | $2.78M | 0.68% | +27,642 | New |
| CSS LLC | 27,375 | $2.76M | 0.17% | +27,375 | New |
| Resolute Capital Asset Partners LLC | 27,301 | $2.75M | 1.44% | +27,301 | New |
| UBS Oconnor LLC | 26,301 | $2.65M | 0.07% | +874+3.4% | Added |
| Baird Financial Group, Inc. | 25,721 | $2.59M | 0.00% | +25,721 | New |
| Emerald Mutual Fund Advisers Trust | 25,424 | $2.56M | 0.16% | −328,407−92.8% | Reduced |
| Xponance, Inc. | 24,841 | $2.50M | 0.02% | +11,482+85.9% | Added |
| F/M Investments LLC | 23,561 | $2.37M | 0.09% | −2,592−9.9% | Reduced |
| Atomi Financial Group, Inc. | 23,095 | $2.32M | 0.09% | −2,331−9.2% | Reduced |
| Calamos Advisors LLC | 22,952 | $2.31M | 0.01% | −16,349−41.6% | Reduced |
| Winton Group Ltd | 22,268 | $2.24M | 0.11% | +22,268 | New |
| Quantbot Technologies LP | 22,067 | $2.22M | 0.06% | +22,067 | New |
| Kennedy Capital Management, Inc. | 21,897 | $2.20M | 0.05% | −12,500−36.3% | Reduced |
| Oppenheimer Asset Management Inc. | 21,374 | $2.15M | 0.02% | +1,439+7.2% | Added |
| Point72 (DIFC) Ltd | 19,580 | $1.97M | 0.16% | +19,580 | New |
| Profund Advisors LLC | 19,558 | $1.97M | 0.07% | −12,539−39.1% | Reduced |
| Public Employees Retirement Association of Colorado | 19,258 | $1.94M | 0.01% | −316−1.6% | Reduced |
| SummitTX Capital, L.P. | 19,081 | $1.92M | 0.09% | +1,153+6.4% | Added |
| Parallax Volatility Advisers, L.P. | 19,016 | $1.91M | 0.08% | −20,897−52.4% | Reduced |
| New York Life Investment Management LLC | 18,680 | $1.88M | 0.02% | −124−0.7% | Reduced |
| Virginia Retirement Systems Et Al | 18,165 | $1.83M | 0.01% | +2,100+13.1% | Added |
| Two Sigma Advisers, LP | 17,500 | $1.76M | 0.00% | −139,700−88.9% | Reduced |
| Neo Ivy Capital Management | 17,256 | $1.74M | 0.55% | +12,804+287.6% | Added |
| Bollard Group LLC | 17,191 | $1.73M | 0.04% | +17,191 | New |
| Dana Investment Advisors, Inc. | 17,098 | $1.72M | 0.06% | −1,348−7.3% | Reduced |
| Atria Investments LLC | 16,810 | $1.69M | 0.02% | +7,219+75.3% | Added |
| Aigen Investment Management, LP | 15,961 | $1.61M | 0.22% | +15,961 | New |
| Simplify Asset Management Inc. | 15,536 | $1.56M | 0.09% | −5,094−24.7% | Reduced |
| CI Private Wealth, LLC | 15,024 | $1.51M | 0.00% | +2,705+22.0% | Added |
| Wolverine Trading, LLC | 15,088 | $1.50M | 0.04% | +15,088 | New |
| Sectoral Asset Management Inc | 14,880 | $1.50M | 0.99% | −350−2.3% | Reduced |
| Superstring Capital Management LP | 14,571 | $1.47M | 1.83% | +14,571 | New |
| Laurion Capital Management LP | 14,347 | $1.44M | 0.17% | +14,347 | New |
| Mackenzie Financial Corp | 13,581 | $1.37M | 0.00% | +478+3.6% | Added |
| OrbiMed Advisors LLC | 13,459 | $1.35M | 0.03% | −15,200−53.0% | Reduced |
| Emerald Advisers, LLC | 13,264 | $1.33M | 0.05% | −580,749−97.8% | Reduced |
| Groupama Asset Managment | 13,175 | $1.31M | 0.02% | – | – |
| Amalgamated Bank | 12,973 | $1.31M | 0.01% | +7,003+117.3% | Added |
| HSBC Holdings PLC | 12,949 | $1.30M | 0.00% | −8,474−39.6% | Reduced |
| Quantitative Investment Management, LLC | 12,615 | $1.27M | 0.17% | +12,615 | New |
| Henshaw Capital LLC | 11,863 | $1.19M | 0.05% | −2,572−17.8% | Reduced |
| HighVista Strategies LLC | 11,595 | $1.17M | 0.43% | −9,845−45.9% | Reduced |
| The PNC Financial Services Group, Inc. | 11,576 | $1.17M | 0.00% | +933+8.8% | Added |
| Two Sigma Securities, LLC | 11,414 | $1.15M | 0.14% | +11,414 | New |
| O'Shaughnessy Asset Management, LLC | 11,340 | $1.14M | 0.01% | +1,510+15.4% | Added |
| Amundi | 11,499 | $1.13M | 0.00% | +11,445+21,194.4% | Added |
| Sanctuary Advisors, LLC | 11,091 | $1.12M | 0.01% | +7,201+185.1% | Added |
| Park Avenue Securities LLC | 11,088 | $1.12M | 0.01% | +52+0.5% | Added |
| E Fund Management Co., Ltd. | 10,951 | $1.10M | 0.05% | −2,692−19.7% | Reduced |
| Neuberger Berman Group LLC | 10,895 | $1.10M | 0.00% | −165,738−93.8% | Reduced |
| Lion Point Capital, LP | 10,650 | $1.07M | 7.28% | −19,850−65.1% | Reduced |
| Natixis | 10,648 | $1.07M | 0.01% | +10,648 | New |
| MetLife Investment Management | 10,589 | $1.07M | 0.01% | −89,621−89.4% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 10,510 | $1.06M | 0.01% | 00.0% | Unchanged |
| Lighthouse Investment Partners, LLC | 10,000 | $1.01M | 0.04% | +10,000 | New |
| US Bancorp | 9,752 | $981.4K | 0.00% | −1,571−13.9% | Reduced |
| Gsa Capital Partners LLP | 9,721 | $978.0K | 0.07% | +9,721 | New |
| Keybank National Association | 9,459 | $952.0K | 0.00% | +1,179+14.2% | Added |
| Utah Retirement Systems | 9,436 | $949.6K | 0.01% | +9,436 | New |
| Waldron Private Wealth LLC | 8,800 | $885.6K | 0.04% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 8,676 | $873.2K | 0.02% | +8,676 | New |
| Shell Asset Management Co | 8,592 | $865.0K | 0.03% | −1,543−15.2% | Reduced |
| Thrivent Financial for Lutherans | 8,557 | $861.0K | 0.00% | +8,557 | New |
| Advisor Group Holdings, Inc. | 8,751 | $855.4K | 0.00% | +4,015+84.8% | Added |
| Beacon Financial Advisory LLC | 8,480 | $853.4K | 0.22% | −215−2.5% | Reduced |
| S&CO Inc | 8,300 | $835.0K | 0.05% | +8,300 | New |
| JustInvest LLC | 8,081 | $813.3K | 0.01% | −117−1.4% | Reduced |
| Parnassus Investments | 7,930 | $798.1K | 0.00% | +7,930 | New |
| Diametric Capital, LP | 7,757 | $780.7K | 0.42% | +7,757 | New |