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, Q1 2025
Institutional positions in INSMED Inc as of Mar 31, 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
- 442
- +9 vs. Q4 2024
- Shares held
- 199.6M
- +8.34M (+4.4%) vs. Q4 2024
- Total value
- $15.3B
- +$2.05B (+15.5%) vs. Q4 2024
- New holders
- 57
- 184 more added
- Sold out
- 48
- 150 more reduced
6 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mirae Asset Global ETFs Holdings Ltd. | 109,489 | $8.36M | 0.02% | +4,176+4.0% | Added |
| Van Eck Associates Corp | 123,552 | $9.43M | 0.01% | +4,318+3.6% | Added |
| Jane Street Group, LLC | 124,587 | $9.50M | 0.02% | −139,134−52.8% | Reduced |
| State of Wisconsin Investment Board | 125,975 | $9.61M | 0.02% | +3,864+3.2% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 129,187 | $9.86M | 0.02% | +30,727+31.2% | Added |
| Schroder Investment Management Group | 127,495 | $9.94M | 0.01% | −140,568−52.4% | Reduced |
| Susquehanna Fundamental Investments, LLC | 132,925 | $10.1M | 0.17% | −138,035−50.9% | Reduced |
| Readystate Asset Management LP | 134,569 | $10.3M | 0.52% | +108,379+413.8% | Added |
| Affinity Asset Advisors, LLC | 140,000 | $10.7M | 1.67% | +90,000+180.0% | Added |
| Rafferty Asset Management, LLC | 145,984 | $11.1M | 0.05% | −34,929−19.3% | Reduced |
| WCM Investment Management, LLC | 144,379 | $11.3M | 0.03% | −361−0.2% | Reduced |
| Bellevue Group AG | 150,550 | $11.5M | 0.26% | −107,933−41.8% | Reduced |
| Prudential Financial Inc | 155,177 | $11.8M | 0.02% | +8,455+5.8% | Added |
| Two Sigma Advisers, LP | 157,200 | $12.0M | 0.03% | −169,300−51.9% | Reduced |
| California State Teachers Retirement System | 157,698 | $12.0M | 0.01% | +4,355+2.8% | Added |
| Segall Bryant & Hamill, LLC | 170,859 | $13.0M | 0.20% | +31,814+22.9% | Added |
| Neuberger Berman Group LLC | 176,633 | $13.5M | 0.01% | +27,392+18.4% | Added |
| Legal & General Group Plc | 180,202 | $13.7M | 0.00% | +4,188+2.4% | Added |
| Peregrine Capital Management LLC | 180,993 | $13.8M | 0.46% | −12,486−6.5% | Reduced |
| Rhenman & Partners Asset Management AB | 185,500 | $14.2M | 1.63% | +124,000+201.6% | Added |
| Cutter Capital Management, LP | 186,384 | $14.2M | 6.19% | −24,500−11.6% | Reduced |
| Granahan Investment Management Inc | 187,802 | $14.3M | 0.71% | −21,552−10.3% | Reduced |
| Federated Hermes, Inc. | 192,643 | $14.7M | 0.03% | −43,193−18.3% | Reduced |
| Ra Capital Management, L.P. | 200,000 | $15.3M | 0.25% | 00.0% | Unchanged |
| AXA S.A. | 203,857 | $15.6M | 0.05% | −22,964−10.1% | Reduced |
| Wells Fargo & Company | 205,511 | $15.7M | 0.00% | +44,802+27.9% | Added |
| Kingdon Capital Management, L.L.C. | 215,000 | $16.4M | 3.40% | −10,000−4.4% | Reduced |
| Nicholas Investment Partners, LP | 223,931 | $17.1M | 1.76% | +41,188+22.5% | Added |
| Royal Bank of Canada | 245,262 | $18.7M | 0.00% | +61,190+33.2% | Added |
| Woodline Partners LP | 248,770 | $19.0M | 0.12% | +86,540+53.3% | Added |
| Deep Track Capital, LP | 254,751 | $19.4M | 0.63% | +254,751 | New |
| B Group, Inc. | 262,500 | $20.0M | 17.40% | −87,500−25.0% | Reduced |
| California Public Employees Retirement System | 265,477 | $20.3M | 0.01% | +9,122+3.6% | Added |
| Soleus Capital Management, L.P. | 274,272 | $20.9M | 1.64% | −46,000−14.4% | Reduced |
| Citigroup Inc | 277,549 | $21.2M | 0.02% | +30,106+12.2% | Added |
| Barclays PLC | 279,270 | $21.3M | 0.01% | −75,166−21.2% | Reduced |
| Comerica Bank | 290,275 | $22.1M | 0.09% | +119,495+70.0% | Added |
| Russell Investments Group, Ltd. | 302,996 | $23.1M | 0.03% | +170,842+129.3% | Added |
| Rhumbline Advisers | 303,557 | $23.2M | 0.02% | +15,220+5.3% | Added |
| Sofinnova Investments, Inc. | 304,254 | $23.2M | 1.75% | +47,973+18.7% | Added |
| Panagora Asset Management Inc | 306,717 | $23.4M | 0.12% | −10,445−3.3% | Reduced |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 307,211 | $23.4M | 0.42% | −147,878−32.5% | Reduced |
| Deutsche Bank AG | 310,618 | $23.7M | 0.01% | −178,348−36.5% | Reduced |
| Artia Global Partners LP | 318,239 | $24.3M | 7.12% | +150,300+89.5% | Added |
| Manufacturers Life Insurance Company, The | 318,392 | $24.3M | 0.02% | +5,211+1.7% | Added |
| C WorldWide Group Holding A/S | 321,110 | $24.5M | 0.30% | −22,000−6.4% | Reduced |
| Silverarc Capital Management, LLC | 321,366 | $24.5M | 5.12% | −50,864−13.7% | Reduced |
| Envestnet Asset Management Inc | 325,307 | $24.8M | 0.01% | +68,949+26.9% | Added |
| Swiss National Bank | 329,300 | $25.1M | 0.02% | +8,200+2.6% | Added |
| Patient Square Capital LP | 330,250 | $25.2M | 10.42% | +23,083+7.5% | Added |
| Driehaus Capital Management LLC | 331,459 | $25.3M | 0.24% | +160,170+93.5% | Added |
| Standard Life Aberdeen plc | 336,357 | $25.7M | 0.05% | +46,704+16.1% | Added |
| Emerald Mutual Fund Advisers Trust | 353,831 | $27.0M | 1.92% | −46,793−11.7% | Reduced |
| New York State Common Retirement Fund | 355,722 | $27.1M | 0.04% | +37,969+11.9% | Added |
| Dimensional Fund Advisors LP | 372,000 | $28.4M | 0.01% | +21,061+6.0% | Added |
| Citadel Advisors LLC | 374,815 | $28.6M | 0.03% | +51,080+15.8% | Added |
| Fred Alger Management, LLC | 378,331 | $28.9M | 0.16% | −7,129−1.8% | Reduced |
| SEI Investments Co | 395,979 | $30.2M | 0.04% | +33,363+9.2% | Added |
| First Turn Management, LLC | 401,629 | $30.6M | 6.18% | −45,351−10.1% | Reduced |
| Two Sigma Investments, LP | 406,903 | $31.0M | 0.07% | −187,093−31.5% | Reduced |
| Raymond James Financial Inc | 408,937 | $31.2M | 0.01% | +45,491+12.5% | Added |
| Victory Capital Management Inc | 409,114 | $31.2M | 0.03% | −1,463−0.4% | Reduced |
| Allspring Global Investments Holdings, LLC | 438,674 | $31.6M | 0.05% | +15,580+3.7% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 425,125 | $32.4M | 0.58% | +425,125 | New |
| Eagle Health Investments LP | 443,300 | $33.8M | 8.78% | −70,400−13.7% | Reduced |
| Susquehanna International Group, LLP | 448,614 | $34.2M | 0.06% | +4,179+0.9% | Added |
| Nwi Management LP | 450,000 | $34.3M | 4.58% | +171,000+61.3% | Added |
| Paradigm Biocapital Advisors LP | 451,359 | $34.4M | 1.59% | +451,359 | New |
| Candriam Luxembourg S.C.A. | 455,408 | $34.7M | 0.22% | +1,888+0.4% | Added |
| Deerfield Management Company, L.P. (Series C) | 458,000 | $34.9M | 0.69% | +458,000 | New |
| BNP Paribas Arbitrage, SA | 461,663 | $35.2M | 0.03% | +274,647+146.9% | Added |
| UBS Group AG | 477,636 | $36.4M | 0.01% | +71,911+17.7% | Added |
| 1832 Asset Management L.P. | 487,800 | $37.2M | 0.07% | +487,800 | New |
| TD Asset Management Inc | 502,232 | $38.3M | 0.04% | −24,658−4.7% | Reduced |
| Perceptive Advisors LLC | 509,300 | $38.9M | 1.38% | +365,300+253.7% | Added |
| Rock Springs Capital Management LP | 515,900 | $39.4M | 2.25% | −34,100−6.2% | Reduced |
| Cormorant Asset Management, LP | 525,000 | $40.1M | 3.03% | −125,000−19.2% | Reduced |
| UBS Asset Management Americas Inc | 539,484 | $41.2M | 0.01% | +52,637+10.8% | Added |
| Frontier Capital Management Co LLC | 557,587 | $42.5M | 0.47% | +122,581+28.2% | Added |
| Fiera Capital Corp | 579,237 | $44.2M | 0.16% | −2,617−0.4% | Reduced |
| Voya Investment Management LLC | 585,428 | $44.7M | 0.05% | +36,561+6.7% | Added |
| Ensign Peak Advisors, Inc | 589,399 | $45.0M | 0.09% | +60,350+11.4% | Added |
| Emerald Advisers, LLC | 594,013 | $45.3M | 2.04% | −90,623−13.2% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 613,269 | $46.8M | 0.13% | −41,632−6.4% | Reduced |
| Long Focus Capital Management, LLC | 630,800 | $48.1M | 3.27% | −20,000−3.1% | Reduced |
| Brown Advisory Inc | 672,450 | $51.3M | 0.07% | +9,453+1.4% | Added |
| Millennium Management LLC | 679,191 | $51.8M | 0.05% | −19,815−2.8% | Reduced |
| Marshall Wace, LLP | 696,237 | $53.1M | 0.07% | −367,978−34.6% | Reduced |
| Summit Partners Public Asset Management, LLC | 704,366 | $53.7M | 2.58% | +65,518+10.3% | Added |
| Novo Holdings A/S | 724,666 | $55.3M | 4.21% | 00.0% | Unchanged |
| Polar Capital Holdings Plc | 728,755 | $55.6M | 0.34% | −1,245−0.2% | Reduced |
| D. E. Shaw & Co., Inc. | 734,880 | $56.1M | 0.07% | +226,093+44.4% | Added |
| Alyeska Investment Group, L.P. | 735,000 | $56.1M | 0.22% | −200,779−21.5% | Reduced |
| Jennison Associates LLC | 748,313 | $57.1M | 0.04% | −25,500−3.3% | Reduced |
| American Century Companies Inc | 872,123 | $66.5M | 0.04% | +59,343+7.3% | Added |
| Palo Alto Investors LP | 987,153 | $75.3M | 14.34% | −616,312−38.4% | Reduced |
| Loomis Sayles & Co L P | 1,009,466 | $77.0M | 0.11% | −165,325−14.1% | Reduced |
| Morgan Stanley | 1,059,656 | $80.8M | 0.01% | −291,709−21.6% | Reduced |
| TimesSquare Capital Management, LLC | 1,064,148 | $81.2M | 1.31% | +379,764+55.5% | Added |
| Vestal Point Capital, LP | 1,075,000 | $82.0M | 5.86% | +175,000+19.4% | Added |