Who owns Insmed Inc?
- Ticker: INSM
- CUSIP Number: 457669307
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Analyze quarterly positions in Insmed with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Insmed stock
Who bought or sold Insmed Inc this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| Vanguard Group | 21M | $3.7B | 6% | Dec 2025 |
|
| Darwin Global Management | 17M | $2.6B | -20% | Mar 2026 |
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| BlackRock | 17M | $2.7B | 11% | Mar 2026 |
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| Vanguard Portfolio Management | 10M | $1.7B | 100% | Mar 2026 |
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| FMR | 9.9M | $1.7B | 8% | Dec 2025 |
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| Vanguard Capital Management | 9.6M | $1.6B | 100% | Mar 2026 |
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| Baker Bros. Advisors | 7.4M | $1.2B | 13% | Mar 2026 |
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| Artisan Partners Limited Partnership | 6.5M | $1.1B | 35% | Mar 2026 |
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| D. E. Shaw & Co | 5.6M | $923M | 29% | Mar 2026 |
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| Capital Research and Management Company - Division 3 | 5.6M | $915M | 9% | Mar 2026 |
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| State Street Corporation | 5.2M | $905M | 31% | Dec 2025 |
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| Rtw Investments | 4.8M | $843M | 57% | Dec 2025 |
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| Geode Capital Management | 4.5M | $734M | 4% | Mar 2026 |
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| Ameriprise Financial | 3.1M | $500M | 55% | Mar 2026 |
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| Franklin Resources | 2.6M | $428M | -5% | Mar 2026 |
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| Citadel Advisors | 2.6M | $427M | 44% | Mar 2026 |
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| Susquehanna International | 2.4M | $416M | 16% | Dec 2025 |
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| Invesco | 2.0M | $325M | -27% | Mar 2026 |
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| Orbis Allan Gray | 1.9M | $306M | -55% | Mar 2026 |
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| UBS Group | 1.7M | $284M | -11% | Mar 2026 |
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| Bank of America Corporation | 1.5M | $246M | 100% | Mar 2026 |
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| Westfield Capital Management Company | 1.5M | $240M | 240% | Mar 2026 |
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| Summit Partners Public Asset Management | 1.4M | $252M | -12% | Dec 2025 |
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| Sei Investments | 1.4M | $228M | 57% | Mar 2026 |
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| Capital World Investors | 1.4M | $223M | 100% | Mar 2026 |
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| Vanguard Fiduciary Trust | 1.4M | $222M | 100% | Mar 2026 |
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| Morgan Stanley | 1.3M | $218M | -18% | Mar 2026 |
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| Millennium Management | 1.3M | $212M | -1% | Mar 2026 |
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| Castle Hook Partners | 1.3M | $208M | 1% | Mar 2026 |
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| Bank of New York Mellon | 1.3M | $207M | -9% | Mar 2026 |
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| Paradigm Biocapital Advisors | 1.3M | $205M | 100% | Mar 2026 |
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| Integral Health Asset Management | 1.3M | $218M | -26% | Dec 2025 |
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| Northern Trust | 1.2M | $216M | 15% | Dec 2025 |
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| Ubs Global Asset Management Americas | 1.2M | $199M | 29% | Mar 2026 |
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| Duquesne Family Office | 1.2M | $189M | -22% | Mar 2026 |
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| Nomura Asset Management International | 1.1M | $187M | 100% | Mar 2026 |
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| Pictet Asset Management Holding SA | 1.1M | $179M | 15% | Mar 2026 |
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| Charles Schwab Investment Management | 1.0M | $179M | 5% | Dec 2025 |
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| Fiera Capital Corporation | 1.0M | $167M | 3% | Mar 2026 |
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| NWI Management | 1.0M | $166M | 3% | Mar 2026 |
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| Goldman Sachs Group | 943k | $154M | -28% | Mar 2026 |
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| Principal Financial Group | 917k | $150M | 19% | Mar 2026 |
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| Artia Global Partners | 908k | $149M | -18% | Mar 2026 |
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| William Blair Investment Management | 903k | $148M | -26% | Mar 2026 |
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| Fil | 839k | $146M | -2% | Dec 2025 |
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| Amundi | 805k | $132M | -12% | Mar 2026 |
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| Legal & General Group | 787k | $129M | 46% | Mar 2026 |
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| Raymond James Financial | 779k | $136M | 3% | Dec 2025 |
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| Alliancebernstein | 689k | $120M | 7% | Mar 2026 |
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| AQR Capital Management | 676k | $109M | 44% | Mar 2026 |
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| Victory Capital Management | 647k | $113M | 82% | Dec 2025 |
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| ClearBridge Advisors | 643k | $105M | -21% | Mar 2026 |
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| Hood River Capital Management | 638k | $111M | -28% | Dec 2025 |
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| Swiss National Bank | 626k | $102M | 8% | Mar 2026 |
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| Jennifer Ranahan | 623k | $102M | 29% | Mar 2026 |
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| Jennison Associates | 605k | $99M | 8% | Mar 2026 |
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| Bnp Paribas Arbitrage, Snc | 605k | $99M | -34% | Mar 2026 |
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| Caption Management | 599k | $104M | -15% | Dec 2025 |
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| Wells Fargo & Company | 597k | $98M | 2% | Mar 2026 |
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| TimesSquare Capital Management | 585k | $96M | 19% | Mar 2026 |
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| Susquehanna Advisors Group | 565k | $98M | 100% | Dec 2025 |
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| Deutsche Bank Aktiengesellschaft | 563k | $92M | -5% | Mar 2026 |
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| Federated Investors | 538k | $88M | -15% | Mar 2026 |
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| Nuveen | 535k | $87M | -18% | Mar 2026 |
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| Royal Bank of Canada | 523k | $86M | -61% | Mar 2026 |
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| Sumitomo Mitsui Trust Holdings | 501k | $82M | 15% | Mar 2026 |
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| Nearwater Capital Markets | 500k | $87M | 150% | Dec 2025 |
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| Ensign Peak Advisors | 500k | $82M | 31% | Mar 2026 |
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| Barclays | 487k | $85M | 212% | Dec 2025 |
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| Wellington Management Company | 486k | $85M | -32% | Dec 2025 |
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| Eventide Asset Management | 484k | $84M | -52% | Dec 2025 |
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| Jane Street | 456k | $75M | -56% | Mar 2026 |
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| Affinity Asset Advisors | 450k | $78M | -31% | Dec 2025 |
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| Citigroup | 433k | $71M | 100% | Mar 2026 |
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| Henderson Group | 419k | $69M | -65% | Mar 2026 |
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| Samlyn Capital | 417k | $68M | 13% | Mar 2026 |
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| Palo Alto Investors | 415k | $68M | -15% | Mar 2026 |
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| Candriam Luxembourg S.C.A. | 402k | $66M | 0% | Mar 2026 |
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| Dimensional Fund Advisors | 401k | $66M | 0% | Mar 2026 |
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| Lord, Abbett & Co | 397k | $65M | -45% | Mar 2026 |
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| Marshall Wace | 390k | $68M | -41% | Dec 2025 |
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| Gateway Investment Advisers | 365k | $60M | 0% | Mar 2026 |
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| Vanguard Asset Management | 360k | $59M | 100% | Mar 2026 |
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| Sofinnova Ventures | 346k | $57M | 121% | Mar 2026 |
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| CalPERS | 345k | $56M | -3% | Mar 2026 |
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| Polar Capital Holdings | 344k | $60M | -7% | Dec 2025 |
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| Bnp Paribas Investment Partners | 328k | $57M | 65% | Dec 2025 |
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| Rock Springs Capital Management | 314k | $51M | -2% | Mar 2026 |
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| National Pension Service | 312k | $51M | 11% | Mar 2026 |
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| California State Teachers Retirement System | 303k | $50M | -2% | Mar 2026 |
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| Adage Capital Partners GP | 300k | $52M | -76% | Dec 2025 |
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| Envestnet Asset Management | 300k | $49M | 9% | Mar 2026 |
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| Bridgewater Associates | 296k | $48M | 100% | Mar 2026 |
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| New York State Common Retirement Fund | 294k | $48M | 6% | Mar 2026 |
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| Frontier Capital Management | 285k | $50M | -13% | Dec 2025 |
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| ProShare Advisors | 283k | $46M | -17% | Mar 2026 |
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| Allspring Global Investments Holdings | 283k | $47M | 28% | Mar 2026 |
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| Standard Life Aberdeen | 277k | $45M | 9% | Mar 2026 |
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| Rhumbline Advisers | 273k | $45M | 2% | Mar 2026 |
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| First Turn Management | 264k | $46M | -17% | Dec 2025 |
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| Tang Capital Management | 260k | $43M | 333% | Mar 2026 |
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| Mitsubishi UFJ Asset Management | 255k | $42M | 15% | Mar 2026 |
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| Farallon Capital Management | 253k | $44M | 8333% | Dec 2025 |
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| Ing Investment Management | 244k | $40M | 21% | Mar 2026 |
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| Axiom International Investors | 239k | $39M | -6% | Mar 2026 |
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| Two Sigma Investments | 237k | $39M | -75% | Mar 2026 |
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| Balyasny Asset Management | 233k | $38M | -41% | Mar 2026 |
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| Evergreen Quality Fund GP | 233k | $38M | 93% | Mar 2026 |
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| First Trust Advisors | 230k | $38M | -7% | Mar 2026 |
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| Eagle Health Investments | 224k | $37M | 6% | Mar 2026 |
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| Neuberger Berman Group | 208k | $36M | 38% | Dec 2025 |
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| Susquehanna Portfolio Strategies | 208k | $36M | 0% | Dec 2025 |
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| Loomis, Sayles and | 200k | $35M | -59% | Dec 2025 |
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| Cormorant Asset Management | 190k | $31M | -31% | Mar 2026 |
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| Squarepoint Ops | 186k | $31M | 164% | Mar 2026 |
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| American Century Companies | 185k | $32M | 141% | Dec 2025 |
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| Nicholas Investments Partners | 180k | $31M | 0% | Dec 2025 |
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| Florida State Board of Administration | 180k | $30M | 0% | Mar 2026 |
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| Tremblant Capital Group | 174k | $28M | -1% | Mar 2026 |
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| Russell Investments | 169k | $28M | 17% | Mar 2026 |
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| SEB Asset Management AB | 166k | $27M | 100% | Mar 2026 |
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| TD Asset Management | 163k | $27M | -38% | Mar 2026 |
|
| CAM Group Holding A/S | 161k | $26M | 18% | Mar 2026 |
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| Rhenman & Partners Asset Management AB | 160k | $26M | 41% | Mar 2026 |
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| Patient Square Capital | 158k | $26M | -41% | Mar 2026 |
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| Zurcher Kantonalbank | 152k | $25M | -6% | Mar 2026 |
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| Woodline Partners | 149k | $24M | 14% | Mar 2026 |
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| Long Focus Capital Management | 145k | $24M | 16% | Mar 2026 |
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| Perpetual | 143k | $23M | 1% | Mar 2026 |
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| LPL Financial | 138k | $23M | 4% | Mar 2026 |
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| SG Americas Securities | 137k | $22M | 105% | Mar 2026 |
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| State of Wisconsin Investment Board | 132k | $23M | -1% | Dec 2025 |
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| Man Group | 127k | $21M | 7% | Mar 2026 |
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| Fred Alger Management | 126k | $21M | 55% | Mar 2026 |
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| Mirae Asset Global Etfs Holdings | 123k | $20M | 2% | Mar 2026 |
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| Aviva | 122k | $20M | 12% | Mar 2026 |
|
| Walleye Trading Advisors | 122k | $20M | 95% | Mar 2026 |
|
| Universal- Beteiligungs- und Servicegesellschaft mbH | 120k | $20M | 16% | Mar 2026 |
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| Hsbc Holdings | 117k | $19M | -6% | Mar 2026 |
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| PFA Pension, Forsikringsaktieselskab | 115k | $19M | 138% | Mar 2026 |
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| Danske Bank A/s | 111k | $18M | 1% | Mar 2026 |
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| NEOS Investment Management | 110k | $18M | 130% | Mar 2026 |
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| Vanguard Global Advisers | 109k | $18M | 100% | Mar 2026 |
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| National Bank Of Canada /fi/ | 109k | $19M | 4282% | Dec 2025 |
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| Vanguard Investments Australia | 106k | $17M | 100% | Mar 2026 |
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| Driehaus Capital Management | 106k | $18M | 6% | Dec 2025 |
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| Leucadia National Corporation | 103k | $17M | -90% | Mar 2026 |
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| Parallax Volatility Advisers | 103k | $14M | -2% | Mar 2026 |
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| Rafferty Asset Management | 101k | $18M | 83% | Dec 2025 |
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| Nomura Holdings | 99k | $16M | -19% | Mar 2026 |
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| Van Eck Associates Corp. | 89k | $16M | -17% | Dec 2025 |
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| Manufacturers Life Insurance Company | 73k | $12M | -39% | Mar 2026 |
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| Silverarc Capital Management | 71k | $12M | -66% | Dec 2025 |
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| Assenagon Asset Management | 63k | $10M | -41% | Mar 2026 |
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| Tudor Investment Corporation | 32k | $5.2M | -71% | Mar 2026 |
|
| Caisse de depot et placement du Quebec | 30k | $5.1M | -82% | Dec 2025 |
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| Renaissance Technologies | 26k | $4.5M | -93% | Dec 2025 |
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| Brian McDonald | 7.3k | $1.3M | -95% | Dec 2025 |
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| Macquarie Group | 7.3k | $1.3M | -99% | Dec 2025 |
|
| ING Groep | 6.0k | $981k | -95% | Mar 2026 |
|
| LMR Partners | 3.3k | $540k | -99% | Mar 2026 |
|
Who sold out of Insmed?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Jpmorgan Chase & Co | Sep 2025 | 23M | $3.3B |
| Norges Bank Investment Management | Dec 2025 | 2.9M | $507M |
| Qube Research & Technologies | Sep 2025 | 1.5M | $222M |
| Holocene Advisors | Dec 2025 | 801k | $139M |
| Goodman & Company, Investment Counsel | Sep 2025 | 585k | $84M |
| Alkeon Capital Management | Sep 2025 | 500k | $72M |
| Two Sigma Advisers | Dec 2025 | 395k | $69M |
| Zurich Insurance Group Ltd/FI | Dec 2025 | 281k | $49M |
| Alberta Investment Management Corporation | Dec 2025 | 207k | $36M |
| Novo A/S | Dec 2025 | 200k | $35M |
| Suvretta Capital Management | Dec 2025 | 109k | $19M |