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 2023
Institutional positions in INSMED Inc as of Sep 30, 2023. 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
- 252
- +31 vs. Q2 2023
- Shares held
- 147.4M
- +4.67M (+3.3%) vs. Q2 2023
- Total value
- $3.72B
- +$712.0M (+23.7%) vs. Q2 2023
- New holders
- 50
- 85 more added
- Sold out
- 19
- 76 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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 2023
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 14,345,512 | $362.2M | 0.01% | +1,024,956+7.7% | Added |
| Price T Rowe Associates Inc | 10,407,216 | $262.8M | 0.04% | +234,920+2.3% | Added |
| BlackRock Inc. | 10,390,690 | $262.4M | 0.01% | +132,408+1.3% | Added |
| T. Rowe Price Investment Management, Inc. | 8,324,884 | $210.2M | 0.15% | +20,570+0.2% | Added |
| Deep Track Capital, LP | 6,000,000 | $151.5M | 5.87% | −500,000−7.7% | Reduced |
| Palo Alto Investors LP | 5,889,491 | $148.7M | 14.07% | 00.0% | Unchanged |
| State Street Corp | 5,054,383 | $127.6M | 0.01% | −966,196−16.0% | Reduced |
| Macquarie Group Ltd | 4,653,772 | $117.5M | 0.15% | +262,692+6.0% | Added |
| FMR LLC | 4,304,954 | $108.7M | 0.01% | +221,659+5.4% | Added |
| William Blair Investment Management, LLC | 4,241,935 | $107.1M | 0.36% | −43,984−1.0% | Reduced |
| Suvretta Capital Management, LLC | 3,446,334 | $87.0M | 4.70% | +337,000+10.8% | Added |
| Franklin Resources Inc | 3,411,837 | $86.1M | 0.04% | −21,803−0.6% | Reduced |
| Bellevue Group AG | 3,162,735 | $79.9M | 1.29% | −138,176−4.2% | Reduced |
| Geode Capital Management, LLC | 2,873,697 | $72.6M | 0.01% | +170,154+6.3% | Added |
| Bank of New York Mellon Corp | 2,531,719 | $63.9M | 0.01% | +83,255+3.4% | Added |
| Pictet Asset Management Holding SA | 2,413,438 | $60.9M | 0.08% | +2,413,438 | New |
| Loomis Sayles & Co L P | 2,383,039 | $60.2M | 0.10% | +769,443+47.7% | Added |
| Alliancebernstein L.P. | 2,294,796 | $57.9M | 0.02% | −229,847−9.1% | Reduced |
| Millennium Management LLC | 2,174,829 | $54.9M | 0.06% | +2,083,967+2,293.6% | Added |
| Janus Henderson Group PLC | 1,914,802 | $48.3M | 0.03% | −280,386−12.8% | Reduced |
| Ameriprise Financial Inc | 1,876,713 | $47.4M | 0.02% | +17,509+0.9% | Added |
| RTW Investments, LP | 1,865,108 | $47.1M | 0.99% | +865,108+86.5% | Added |
| Holocene Advisors, LP | 1,808,488 | $45.7M | 0.20% | −274,390−13.2% | Reduced |
| Samlyn Capital, LLC | 1,381,057 | $34.9M | 0.62% | −596,233−30.2% | Reduced |
| GW&K Investment Management, LLC | 1,352,269 | $34.1M | 0.34% | −995−0.1% | Reduced |
| Northern Trust Corp | 1,346,432 | $34.0M | 0.01% | +21,875+1.7% | Added |
| Novo Holdings A/S | 1,339,304 | $33.8M | 2.50% | 00.0% | Unchanged |
| Principal Financial Group Inc | 1,290,282 | $32.6M | 0.02% | +29,187+2.3% | Added |
| Octagon Capital Advisors LP | 1,284,000 | $32.4M | 5.71% | +917,000+249.9% | Added |
| Bank of America Corp | 1,209,026 | $30.5M | 0.00% | +367,014+43.6% | Added |
| Norges Bank | 1,192,449 | $30.1M | 0.01% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 1,099,807 | $27.8M | 0.01% | +88,589+8.8% | Added |
| Emerald Advisers, LLC | 937,516 | $23.7M | 1.15% | −51,510−5.2% | Reduced |
| Goldman Sachs Group Inc | 863,518 | $21.8M | 0.01% | +69,834+8.8% | Added |
| Polar Capital Holdings Plc | 861,400 | $21.8M | 0.16% | −829,949−49.1% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 856,198 | $21.6M | 0.07% | −8,437−1.0% | Reduced |
| Hudson Bay Capital Management LP | 847,500 | $21.4M | 0.20% | −852,500−50.1% | Reduced |
| FIL Ltd | 831,202 | $21.0M | 0.02% | +474,805+133.2% | Added |
| Two Sigma Advisers, LP | 825,400 | $20.8M | 0.05% | +256,300+45.0% | Added |
| Emerald Mutual Fund Advisers Trust | 744,733 | $18.8M | 1.13% | −90,563−10.8% | Reduced |
| Morgan Stanley | 678,726 | $17.1M | 0.00% | +253,242+59.5% | Added |
| First Light Asset Management, LLC | 643,588 | $16.3M | 1.54% | −2,098−0.3% | Reduced |
| Eventide Asset Management, LLC | 635,185 | $16.0M | 0.29% | −276,918−30.4% | Reduced |
| American Century Companies Inc | 614,526 | $15.5M | 0.01% | +9,439+1.6% | Added |
| Adage Capital Partners GP, L.L.C. | 600,000 | $15.2M | 0.03% | +600,000 | New |
| Two Sigma Investments, LP | 594,160 | $15.0M | 0.04% | +105,388+21.6% | Added |
| Citadel Advisors LLC | 579,382 | $14.6M | 0.02% | +199,090+52.4% | Added |
| Cormorant Asset Management, LP | 575,000 | $14.5M | 0.85% | +575,000 | New |
| Marshall Wace, LLP | 565,763 | $14.3M | 0.03% | +119,549+26.8% | Added |
| MPM Oncology Impact Management LP | 527,458 | $13.3M | 3.56% | −2,285−0.4% | Reduced |
| TD Asset Management Inc | 523,132 | $13.2M | 0.02% | +194,145+59.0% | Added |
| Eagle Asset Management Inc | 519,078 | $13.1M | 0.08% | −9,266−1.8% | Reduced |
| Voya Investment Management LLC | 496,893 | $12.5M | 0.01% | −24,098−4.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 446,104 | $11.3M | 0.06% | −39,355−8.1% | Reduced |
| Panagora Asset Management Inc | 432,579 | $10.9M | 0.07% | −26,824−5.8% | Reduced |
| JPMorgan Chase & Co | 407,965 | $10.3M | 0.00% | +46,907+13.0% | Added |
| Great Point Partners LLC | 394,872 | $9.97M | 1.88% | +394,872 | New |
| Long Focus Capital Management, LLC | 371,649 | $9.38M | 1.35% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 363,630 | $9.18M | 0.00% | +10,872+3.1% | Added |
| AXA S.A. | 360,561 | $9.10M | 0.03% | −489,553−57.6% | Reduced |
| Nuveen Asset Management, LLC | 348,766 | $8.81M | 0.00% | −7,076−2.0% | Reduced |
| Sectoral Asset Management Inc | 347,392 | $8.77M | 1.71% | −170,449−32.9% | Reduced |
| C WorldWide Group Holding A/S | 343,110 | $8.66M | 0.12% | 00.0% | Unchanged |
| Baker Bros. Advisors LP | 343,000 | $8.66M | 0.05% | 00.0% | Unchanged |
| Peregrine Capital Management LLC | 340,125 | $8.59M | 0.26% | −21,396−5.9% | Reduced |
| Candriam Luxembourg S.C.A. | 325,200 | $8.21M | 0.07% | −482,000−59.7% | Reduced |
| Bleichroeder LP | 325,000 | $8.21M | 2.02% | 00.0% | Unchanged |
| Swiss National Bank | 299,900 | $7.57M | 0.01% | +2,900+1.0% | Added |
| Scout Investments, Inc. | 297,797 | $7.56M | 0.17% | −8,650−2.8% | Reduced |
| Trexquant Investment LP | 294,993 | $7.45M | 0.19% | +265,457+898.8% | Added |
| WCM Investment Management, LLC | 289,736 | $7.32M | 0.02% | +5,115+1.8% | Added |
| Rafferty Asset Management, LLC | 273,524 | $6.91M | 0.04% | −97,602−26.3% | Reduced |
| Cubist Systematic Strategies, LLC | 269,846 | $6.81M | 0.08% | +260,177+2,690.8% | Added |
| Assenagon Asset Management S.A. | 262,136 | $6.62M | 0.02% | −1,519,918−85.3% | Reduced |
| Susquehanna International Group, LLP | 253,842 | $6.41M | 0.01% | −2,463−1.0% | Reduced |
| Granahan Investment Management Inc | 235,980 | $5.96M | 0.21% | −44,697−15.9% | Reduced |
| Rice Hall James & Associates, LLC | 224,465 | $5.67M | 0.36% | −4,827−2.1% | Reduced |
| Soleus Capital Management, L.P. | 218,000 | $5.50M | 0.55% | +218,000 | New |
| Manufacturers Life Insurance Company, The | 209,104 | $5.28M | 0.00% | +10,548+5.3% | Added |
| Schonfeld Strategic Advisors LLC | 203,400 | $5.14M | 0.05% | +203,400 | New |
| Rhumbline Advisers | 197,643 | $4.99M | 0.01% | +4,081+2.1% | Added |
| D. E. Shaw & Co., Inc. | 196,727 | $4.97M | 0.01% | +97,823+98.9% | Added |
| California Public Employees Retirement System | 192,977 | $4.87M | 0.00% | +1,723+0.9% | Added |
| Barclays PLC | 171,801 | $4.34M | 0.00% | −40,115−18.9% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 171,006 | $4.32M | 0.28% | +14,379+9.2% | Added |
| Tang Capital Management LLC | 166,203 | $4.20M | 0.59% | 00.0% | Unchanged |
| Deutsche Bank AG | 165,965 | $4.19M | 0.00% | +8,387+5.3% | Added |
| Ikarian Capital, LLC | 154,900 | $3.91M | 1.45% | −330,100−68.1% | Reduced |
| Silverarc Capital Management, LLC | 150,387 | $3.80M | 1.41% | +5,923+4.1% | Added |
| California State Teachers Retirement System | 149,734 | $3.78M | 0.01% | −14,165−8.6% | Reduced |
| Essex Investment Management Co LLC | 148,419 | $3.75M | 0.61% | +39,237+35.9% | Added |
| Citigroup Inc | 139,659 | $3.53M | 0.01% | −7,401−5.0% | Reduced |
| Credit Suisse AG | 134,699 | $3.40M | 0.00% | −15,871−10.5% | Reduced |
| Legal & General Group Plc | 134,654 | $3.40M | 0.00% | +1,082+0.8% | Added |
| Parkman Healthcare Partners LLC | 125,000 | $3.16M | 0.58% | +125,000 | New |
| BNP Paribas Arbitrage, SA | 123,155 | $3.11M | 0.01% | +27,020+28.1% | Added |
| UBS Group AG | 122,200 | $3.09M | 0.00% | −46,643−27.6% | Reduced |
| State of Wisconsin Investment Board | 114,564 | $2.89M | 0.01% | −4,093−3.4% | Reduced |
| Knights of Columbus Asset Advisors LLC | 113,796 | $2.87M | 0.26% | +2,360+2.1% | Added |
| Wells Fargo & Company | 113,596 | $2.87M | 0.00% | −30,116−21.0% | Reduced |