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, Q4 2024
Institutional positions in INSMED Inc as of Dec 31, 2024. 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
- 439
- +32 vs. Q3 2024
- Shares held
- 192.6M
- +4.94M (+2.6%) vs. Q3 2024
- Total value
- $13.3B
- −$406.1M (−3.0%) vs. Q3 2024
- New holders
- 75
- 178 more added
- Sold out
- 43
- 144 more reduced
7 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Perceptive Advisors LLC | 144,000 | $9.94M | 0.28% | −36,000−20.0% | Reduced |
| WCM Investment Management, LLC | 144,740 | $9.97M | 0.02% | −3,590−2.4% | Reduced |
| Prudential Financial Inc | 146,722 | $10.1M | 0.01% | +12,132+9.0% | Added |
| Neuberger Berman Group LLC | 149,241 | $10.3M | 0.01% | +37,403+33.4% | Added |
| California State Teachers Retirement System | 153,343 | $10.6M | 0.01% | +6,601+4.5% | Added |
| Samlyn Capital, LLC | 159,064 | $11.0M | 0.17% | −52,434−24.8% | Reduced |
| Wells Fargo & Company | 160,709 | $11.1M | 0.00% | +33,214+26.1% | Added |
| Woodline Partners LP | 162,230 | $11.2M | 0.08% | −54,149−25.0% | Reduced |
| Artia Global Partners LP | 167,939 | $11.6M | 4.68% | +115,000+217.2% | Added |
| Comerica Bank | 170,780 | $11.8M | 0.05% | +108,686+175.0% | Added |
| Driehaus Capital Management LLC | 171,289 | $11.8M | 0.10% | +3,859+2.3% | Added |
| Legal & General Group Plc | 176,014 | $12.2M | 0.00% | +14,246+8.8% | Added |
| Rafferty Asset Management, LLC | 180,913 | $12.5M | 0.04% | −45,887−20.2% | Reduced |
| Nicholas Investment Partners, LP | 182,743 | $12.6M | 1.11% | +81,598+80.7% | Added |
| Royal Bank of Canada | 184,072 | $12.7M | 0.00% | −16,364−8.2% | Reduced |
| BNP Paribas Arbitrage, SA | 187,016 | $12.9M | 0.01% | −129,860−41.0% | Reduced |
| Peregrine Capital Management LLC | 193,479 | $13.4M | 0.40% | +20,642+11.9% | Added |
| Ra Capital Management, L.P. | 200,000 | $13.8M | 0.18% | 00.0% | Unchanged |
| Granahan Investment Management Inc | 209,354 | $14.5M | 0.60% | −7,991−3.7% | Reduced |
| Hudson Bay Capital Management LP | 210,000 | $14.5M | 0.09% | −30,000−12.5% | Reduced |
| Cutter Capital Management, LP | 210,884 | $14.6M | 5.97% | −5,000−2.3% | Reduced |
| Kingdon Capital Management, L.L.C. | 225,000 | $15.5M | 2.65% | −175,000−43.8% | Reduced |
| AXA S.A. | 226,821 | $15.7M | 0.05% | −360−0.2% | Reduced |
| Avidity Partners Management LP | 232,800 | $16.1M | 1.60% | −359,200−60.7% | Reduced |
| Federated Hermes, Inc. | 235,836 | $16.3M | 0.04% | +192,853+448.7% | Added |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 243,748 | $16.8M | 2.04% | +243,748 | New |
| Citigroup Inc | 247,443 | $17.1M | 0.02% | +126,177+104.0% | Added |
| Sofinnova Investments, Inc. | 256,281 | $17.7M | 1.30% | −30,026−10.5% | Reduced |
| California Public Employees Retirement System | 256,355 | $17.7M | 0.01% | −2,522−1.0% | Reduced |
| Envestnet Asset Management Inc | 256,358 | $17.7M | 0.01% | +15,227+6.3% | Added |
| Bellevue Group AG | 258,483 | $17.8M | 0.34% | −266,951−50.8% | Reduced |
| Jane Street Group, LLC | 263,721 | $18.2M | 0.03% | −395,954−60.0% | Reduced |
| Schroder Investment Management Group | 268,063 | $18.5M | 0.02% | +127,641+90.9% | Added |
| Susquehanna Fundamental Investments, LLC | 270,960 | $18.7M | 0.31% | +270,960 | New |
| Nwi Management LP | 279,000 | $19.3M | 1.52% | +181,460+186.0% | Added |
| Rhumbline Advisers | 288,337 | $19.9M | 0.02% | +25,292+9.6% | Added |
| Standard Life Aberdeen plc | 289,653 | $20.0M | 0.04% | +178,041+159.5% | Added |
| Patient Square Capital LP | 307,167 | $21.2M | 7.93% | +135,463+78.9% | Added |
| Manufacturers Life Insurance Company, The | 313,181 | $21.6M | 0.02% | +25,108+8.7% | Added |
| Panagora Asset Management Inc | 317,162 | $21.9M | 0.10% | +26,692+9.2% | Added |
| New York State Common Retirement Fund | 317,753 | $21.9M | 0.03% | +24,974+8.5% | Added |
| Soleus Capital Management, L.P. | 320,272 | $22.1M | 1.67% | +290,000+958.0% | Added |
| Swiss National Bank | 321,100 | $22.2M | 0.01% | +18,600+6.1% | Added |
| Citadel Advisors LLC | 323,735 | $22.4M | 0.02% | −12,827−3.8% | Reduced |
| Two Sigma Advisers, LP | 326,500 | $22.5M | 0.05% | −66,200−16.9% | Reduced |
| Octagon Capital Advisors LP | 332,000 | $22.9M | 3.90% | −104,820−24.0% | Reduced |
| C WorldWide Group Holding A/S | 343,110 | $23.7M | 0.29% | 00.0% | Unchanged |
| Caption Management, LLC | 348,994 | $24.1M | 0.99% | +250,194+253.2% | Added |
| B Group, Inc. | 350,000 | $24.2M | 14.77% | +350,000 | New |
| Dimensional Fund Advisors LP | 350,939 | $24.2M | 0.01% | −16,313−4.4% | Reduced |
| Barclays PLC | 354,436 | $24.5M | 0.01% | +22,373+6.7% | Added |
| SEI Investments Co | 362,616 | $25.0M | 0.03% | +29,019+8.7% | Added |
| Raymond James Financial Inc | 363,446 | $25.1M | 0.01% | +363,446 | New |
| Silverarc Capital Management, LLC | 372,230 | $25.7M | 5.75% | +24,535+7.1% | Added |
| Fred Alger Management, LLC | 385,460 | $26.6M | 0.13% | −66,856−14.8% | Reduced |
| Qube Research & Technologies Ltd | 389,033 | $26.9M | 0.04% | −100,274−20.5% | Reduced |
| MPM Oncology Impact Management LP | 389,611 | $26.9M | 3.82% | −225,780−36.7% | Reduced |
| Emerald Mutual Fund Advisers Trust | 400,624 | $27.7M | 1.68% | −87,040−17.8% | Reduced |
| UBS Group AG | 405,725 | $28.0M | 0.01% | +95,733+30.9% | Added |
| Victory Capital Management Inc | 410,577 | $28.3M | 0.03% | −45,382−10.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 423,094 | $29.6M | 0.05% | +32,960+8.4% | Added |
| Frontier Capital Management Co LLC | 435,006 | $30.0M | 0.29% | −159,100−26.8% | Reduced |
| Susquehanna International Group, LLP | 444,435 | $30.7M | 0.05% | +182,889+69.9% | Added |
| First Turn Management, LLC | 446,980 | $30.9M | 5.53% | +90,529+25.4% | Added |
| Logos Global Management LP | 450,000 | $31.1M | 3.64% | +450,000 | New |
| Candriam Luxembourg S.C.A. | 453,520 | $31.3M | 0.18% | −22,974−4.8% | Reduced |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 455,089 | $31.4M | 0.55% | −23,512−4.9% | Reduced |
| First Light Asset Management, LLC | 470,192 | $32.5M | 3.11% | −218,718−31.7% | Reduced |
| UBS Asset Management Americas Inc | 486,847 | $33.6M | 0.01% | +63,911+15.1% | Added |
| Deutsche Bank AG | 488,966 | $33.8M | 0.01% | +212,024+76.6% | Added |
| D. E. Shaw & Co., Inc. | 508,787 | $35.1M | 0.04% | +442,052+662.4% | Added |
| Eagle Health Investments LP | 513,700 | $35.5M | 8.69% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 525,193 | $36.3M | 0.07% | −332,167−38.7% | Reduced |
| TD Asset Management Inc | 526,890 | $36.4M | 0.03% | +13,808+2.7% | Added |
| Ensign Peak Advisors, Inc | 529,049 | $36.5M | 0.06% | +44,928+9.3% | Added |
| Voya Investment Management LLC | 548,867 | $37.9M | 0.04% | −196,927−26.4% | Reduced |
| Rock Springs Capital Management LP | 550,000 | $38.0M | 1.45% | −133,344−19.5% | Reduced |
| Fiera Capital Corp | 581,854 | $40.2M | 0.13% | −10,561−1.8% | Reduced |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 593,470 | $41.0M | 1.15% | +573,470+2,867.4% | Added |
| Two Sigma Investments, LP | 593,996 | $41.0M | 0.09% | −207,143−25.9% | Reduced |
| Summit Partners Public Asset Management, LLC | 638,848 | $44.1M | 1.48% | +60,492+10.5% | Added |
| Cormorant Asset Management, LP | 650,000 | $44.9M | 2.46% | +150,000+30.0% | Added |
| Long Focus Capital Management, LLC | 650,800 | $44.9M | 3.44% | +21,900+3.5% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 654,901 | $45.2M | 0.11% | +145,462+28.6% | Added |
| Brown Advisory Inc | 662,997 | $45.8M | 0.06% | +662,997 | New |
| TimesSquare Capital Management, LLC | 684,384 | $47.2M | 0.69% | +200,515+41.4% | Added |
| Emerald Advisers, LLC | 684,636 | $47.3M | 1.83% | −5,171−0.7% | Reduced |
| Holocene Advisors, LP | 687,712 | $47.5M | 0.15% | +687,712 | New |
| Millennium Management LLC | 699,006 | $48.3M | 0.04% | +134,150+23.7% | Added |
| Novo Holdings A/S | 724,666 | $50.0M | 3.03% | 00.0% | Unchanged |
| Polar Capital Holdings Plc | 730,000 | $50.4M | 0.28% | +50,000+7.4% | Added |
| Wellington Management Group LLP | 752,226 | $51.9M | 0.01% | −210,233−21.8% | Reduced |
| Jennison Associates LLC | 773,813 | $53.4M | 0.03% | +4,560+0.6% | Added |
| American Century Companies Inc | 812,780 | $56.1M | 0.03% | +89,097+12.3% | Added |
| Vestal Point Capital, LP | 900,000 | $62.1M | 3.68% | −700,000−43.8% | Reduced |
| Alyeska Investment Group, L.P. | 935,779 | $64.6M | 0.24% | +188,377+25.2% | Added |
| Westfield Capital Management Co LP | 938,551 | $64.8M | 0.28% | +686,812+272.8% | Added |
| Invesco Ltd. | 1,016,090 | $70.2M | 0.01% | −46,305−4.4% | Reduced |
| Marshall Wace, LLP | 1,064,215 | $73.5M | 0.09% | +293,004+38.0% | Added |
| Eventide Asset Management, LLC | 1,100,993 | $76.0M | 1.38% | +194,598+21.5% | Added |