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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 18,268,122 | $1.39B | 0.03% | +49,149+0.3% | Added |
| BlackRock, Inc. | 16,048,882 | $1.22B | 0.03% | +15,938+0.1% | Added |
| Darwin Global Management, Ltd. | 15,397,975 | $1.20B | 82.08% | +2,437,437+18.8% | Added |
| Price T Rowe Associates Inc | 12,923,541 | $985.9M | 0.12% | +219,131+1.7% | Added |
| Capital International Investors | 7,198,485 | $549.2M | 0.11% | +81,488+1.1% | Added |
| JPMorgan Chase & Co | 6,354,022 | $484.7M | 0.04% | +3,067,774+93.4% | Added |
| State Street Corp | 5,747,293 | $438.5M | 0.02% | −358,860−5.9% | Reduced |
| Baker Bros. Advisors LP | 5,380,626 | $410.5M | 4.54% | +373,763+7.5% | Added |
| Geode Capital Management, LLC | 4,288,735 | $327.3M | 0.03% | +201,592+4.9% | Added |
| Adage Capital Partners GP, L.L.C. | 3,446,944 | $263.0M | 0.49% | +1,799,382+109.2% | Added |
| FMR LLC | 3,394,384 | $259.0M | 0.02% | −1,461,865−30.1% | Reduced |
| Artisan Partners Limited Partnership | 3,217,268 | $245.4M | 0.40% | +90,929+2.9% | Added |
| RTW Investments, LP | 3,014,558 | $230.0M | 3.52% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 2,951,622 | $225.2M | 0.06% | +101,525+3.6% | Added |
| Alliancebernstein L.P. | 2,423,513 | $184.9M | 0.07% | +59,952+2.5% | Added |
| FIL Ltd | 2,390,201 | $182.3M | 0.17% | −247,959−9.4% | Reduced |
| Macquarie Group Ltd | 2,362,105 | $180.2M | 0.22% | +48,946+2.1% | Added |
| William Blair Investment Management, LLC | 2,313,217 | $176.5M | 0.50% | −120,226−4.9% | Reduced |
| Franklin Resources Inc | 2,148,284 | $163.9M | 0.05% | −11,819−0.5% | Reduced |
| Holocene Advisors, LP | 2,026,422 | $154.6M | 0.46% | +1,338,710+194.7% | Added |
| Pictet Asset Management Holding SA | 2,013,329 | $153.9M | 0.17% | +53,611+2.7% | Added |
| Clearbridge Investments, LLC | 1,828,728 | $139.5M | 0.12% | −49,722−2.6% | Reduced |
| Invesco Ltd. | 1,791,324 | $136.7M | 0.03% | +775,234+76.3% | Added |
| Principal Financial Group Inc | 1,755,373 | $133.9M | 0.08% | −62,270−3.4% | Reduced |
| Norges Bank | 1,742,843 | $133.0M | 0.02% | −90,967−5.0% | Reduced |
| Northern Trust Corp | 1,683,838 | $128.5M | 0.02% | −66,804−3.8% | Reduced |
| Charles Schwab Investment Management Inc | 1,602,655 | $122.3M | 0.02% | +56,048+3.6% | Added |
| Janus Henderson Group PLC | 1,545,419 | $120.5M | 0.07% | +99,723+6.9% | Added |
| Hood River Capital Management LLC | 1,558,286 | $118.9M | 2.03% | +32,658+2.1% | Added |
| Integral Health Asset Management, LLC | 1,550,000 | $118.2M | 13.10% | 00.0% | Unchanged |
| Suvretta Capital Management, LLC | 1,492,383 | $113.9M | 4.61% | −119,178−7.4% | Reduced |
| T. Rowe Price Investment Management, Inc. | 1,476,948 | $112.7M | 0.07% | −505,759−25.5% | Reduced |
| Westfield Capital Management Co LP | 1,406,609 | $107.3M | 0.52% | +468,058+49.9% | Added |
| Goldman Sachs Group Inc | 1,402,621 | $107.0M | 0.02% | −317,428−18.5% | Reduced |
| GW&K Investment Management, LLC | 1,377,726 | $105.1M | 0.97% | +242,333+21.3% | Added |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 1,369,050 | $104.4M | 3.50% | +775,580+130.7% | Added |
| Bank of America Corp | 1,352,999 | $103.2M | 0.01% | +245,333+22.1% | Added |
| Lord, Abbett & Co. LLC | 1,350,587 | $103.0M | 0.37% | −106,623−7.3% | Reduced |
| Wellington Management Group LLP | 1,222,627 | $93.3M | 0.02% | +470,401+62.5% | Added |
| Eventide Asset Management, LLC | 1,181,675 | $90.2M | 1.80% | +80,682+7.3% | Added |
| Nuveen, LLC | 1,158,094 | $88.4M | 0.03% | +1,158,094 | New |
| Bank of New York Mellon Corp | 1,156,750 | $88.2M | 0.02% | −281,716−19.6% | Reduced |
| Vestal Point Capital, LP | 1,075,000 | $82.0M | 5.86% | +175,000+19.4% | Added |
| TimesSquare Capital Management, LLC | 1,064,148 | $81.2M | 1.31% | +379,764+55.5% | Added |
| Morgan Stanley | 1,059,656 | $80.8M | 0.01% | −291,709−21.6% | Reduced |
| Loomis Sayles & Co L P | 1,009,466 | $77.0M | 0.11% | −165,325−14.1% | Reduced |
| Palo Alto Investors LP | 987,153 | $75.3M | 14.34% | −616,312−38.4% | Reduced |
| American Century Companies Inc | 872,123 | $66.5M | 0.04% | +59,343+7.3% | Added |
| Jennison Associates LLC | 748,313 | $57.1M | 0.04% | −25,500−3.3% | Reduced |
| Alyeska Investment Group, L.P. | 735,000 | $56.1M | 0.22% | −200,779−21.5% | Reduced |
| D. E. Shaw & Co., Inc. | 734,880 | $56.1M | 0.07% | +226,093+44.4% | Added |
| Polar Capital Holdings Plc | 728,755 | $55.6M | 0.34% | −1,245−0.2% | Reduced |
| Novo Holdings A/S | 724,666 | $55.3M | 4.21% | 00.0% | Unchanged |
| Summit Partners Public Asset Management, LLC | 704,366 | $53.7M | 2.58% | +65,518+10.3% | Added |
| Marshall Wace, LLP | 696,237 | $53.1M | 0.07% | −367,978−34.6% | Reduced |
| Millennium Management LLC | 679,191 | $51.8M | 0.05% | −19,815−2.8% | Reduced |
| Brown Advisory Inc | 672,450 | $51.3M | 0.07% | +9,453+1.4% | Added |
| Long Focus Capital Management, LLC | 630,800 | $48.1M | 3.27% | −20,000−3.1% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 613,269 | $46.8M | 0.13% | −41,632−6.4% | Reduced |
| Emerald Advisers, LLC | 594,013 | $45.3M | 2.04% | −90,623−13.2% | Reduced |
| Ensign Peak Advisors, Inc | 589,399 | $45.0M | 0.09% | +60,350+11.4% | Added |
| Voya Investment Management LLC | 585,428 | $44.7M | 0.05% | +36,561+6.7% | Added |
| Fiera Capital Corp | 579,237 | $44.2M | 0.16% | −2,617−0.4% | Reduced |
| Frontier Capital Management Co LLC | 557,587 | $42.5M | 0.47% | +122,581+28.2% | Added |
| UBS Asset Management Americas Inc | 539,484 | $41.2M | 0.01% | +52,637+10.8% | Added |
| Cormorant Asset Management, LP | 525,000 | $40.1M | 3.03% | −125,000−19.2% | Reduced |
| Rock Springs Capital Management LP | 515,900 | $39.4M | 2.25% | −34,100−6.2% | Reduced |
| Perceptive Advisors LLC | 509,300 | $38.9M | 1.38% | +365,300+253.7% | Added |
| TD Asset Management Inc | 502,232 | $38.3M | 0.04% | −24,658−4.7% | Reduced |
| 1832 Asset Management L.P. | 487,800 | $37.2M | 0.07% | +487,800 | New |
| UBS Group AG | 477,636 | $36.4M | 0.01% | +71,911+17.7% | Added |
| BNP Paribas Arbitrage, SA | 461,663 | $35.2M | 0.03% | +274,647+146.9% | Added |
| Deerfield Management Company, L.P. (Series C) | 458,000 | $34.9M | 0.69% | +458,000 | New |
| Candriam Luxembourg S.C.A. | 455,408 | $34.7M | 0.22% | +1,888+0.4% | Added |
| Paradigm Biocapital Advisors LP | 451,359 | $34.4M | 1.59% | +451,359 | New |
| Nwi Management LP | 450,000 | $34.3M | 4.58% | +171,000+61.3% | Added |
| Susquehanna International Group, LLP | 448,614 | $34.2M | 0.06% | +4,179+0.9% | Added |
| Eagle Health Investments LP | 443,300 | $33.8M | 8.78% | −70,400−13.7% | Reduced |
| Maverick Capital LtdSuperinvestorMaverick Capital | 425,125 | $32.4M | 0.58% | +425,125 | New |
| Allspring Global Investments Holdings, LLC | 438,674 | $31.6M | 0.05% | +15,580+3.7% | Added |
| Victory Capital Management Inc | 409,114 | $31.2M | 0.03% | −1,463−0.4% | Reduced |
| Raymond James Financial Inc | 408,937 | $31.2M | 0.01% | +45,491+12.5% | Added |
| Two Sigma Investments, LP | 406,903 | $31.0M | 0.07% | −187,093−31.5% | Reduced |
| First Turn Management, LLC | 401,629 | $30.6M | 6.18% | −45,351−10.1% | Reduced |
| SEI Investments Co | 395,979 | $30.2M | 0.04% | +33,363+9.2% | Added |
| Fred Alger Management, LLC | 378,331 | $28.9M | 0.16% | −7,129−1.8% | Reduced |
| Citadel Advisors LLC | 374,815 | $28.6M | 0.03% | +51,080+15.8% | Added |
| Dimensional Fund Advisors LP | 372,000 | $28.4M | 0.01% | +21,061+6.0% | Added |
| New York State Common Retirement Fund | 355,722 | $27.1M | 0.04% | +37,969+11.9% | Added |
| Emerald Mutual Fund Advisers Trust | 353,831 | $27.0M | 1.92% | −46,793−11.7% | Reduced |
| Standard Life Aberdeen plc | 336,357 | $25.7M | 0.05% | +46,704+16.1% | Added |
| Driehaus Capital Management LLC | 331,459 | $25.3M | 0.24% | +160,170+93.5% | Added |
| Patient Square Capital LP | 330,250 | $25.2M | 10.42% | +23,083+7.5% | Added |
| Swiss National Bank | 329,300 | $25.1M | 0.02% | +8,200+2.6% | Added |
| Envestnet Asset Management Inc | 325,307 | $24.8M | 0.01% | +68,949+26.9% | Added |
| Silverarc Capital Management, LLC | 321,366 | $24.5M | 5.12% | −50,864−13.7% | Reduced |
| C WorldWide Group Holding A/S | 321,110 | $24.5M | 0.30% | −22,000−6.4% | Reduced |
| Manufacturers Life Insurance Company, The | 318,392 | $24.3M | 0.02% | +5,211+1.7% | Added |
| Artia Global Partners LP | 318,239 | $24.3M | 7.12% | +150,300+89.5% | Added |
| Deutsche Bank AG | 310,618 | $23.7M | 0.01% | −178,348−36.5% | Reduced |