Who owns Rhythm Pharmaceuticals Inc?
- Ticker: RYTM
- CUSIP Number: 76243j105
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Analyze quarterly positions in Rhythm Pharmaceuticals with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Rhythm Pharmaceuticals stock
Who bought or sold Rhythm Pharmaceuticals Inc this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| RA Capital Management | 6.7M | $580M | 0% | Mar 2026 |
|
| BlackRock | 6.2M | $542M | -1% | Mar 2026 |
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| Vanguard Group | 6.2M | $665M | 24% | Dec 2025 |
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| Baker Bros. Advisors | 5.6M | $487M | 0% | Mar 2026 |
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| PRIMECAP Management Company | 3.4M | $297M | -2% | Mar 2026 |
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| Vanguard Portfolio Management | 3.0M | $265M | 100% | Mar 2026 |
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| Vanguard Capital Management | 3.0M | $258M | 100% | Mar 2026 |
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| Perceptive Advisors | 2.4M | $206M | -7% | Mar 2026 |
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| State Street Corporation | 2.2M | $235M | 8% | Dec 2025 |
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| Goldman Sachs Group | 2.0M | $171M | 7% | Mar 2026 |
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| Westfield Capital Management Company | 1.9M | $168M | 52% | Mar 2026 |
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| FMR | 1.7M | $183M | -20% | Dec 2025 |
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| Citadel Advisors | 1.5M | $126M | 660% | Mar 2026 |
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| Geode Capital Management | 1.4M | $123M | 3% | Mar 2026 |
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| Federated Investors | 1.3M | $112M | -21% | Mar 2026 |
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| Driehaus Capital Management | 1.3M | $138M | -7% | Dec 2025 |
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| Checkpoint Capital | 1.2M | $107M | 24% | Mar 2026 |
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| Polar Capital Holdings | 1.2M | $127M | -5% | Dec 2025 |
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| Capital Research Global Investors | 1.1M | $97M | 13% | Mar 2026 |
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| Henderson Group | 918k | $80M | -21% | Mar 2026 |
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| Alliancebernstein | 910k | $98M | -2% | Mar 2026 |
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| Point72 Asset Management | 847k | $74M | 97% | Mar 2026 |
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| Woodline Partners | 759k | $66M | 10% | Mar 2026 |
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| Morgan Stanley | 704k | $61M | 8% | Mar 2026 |
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| Rock Springs Capital Management | 690k | $60M | -1% | Mar 2026 |
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| Pictet Asset Management Holding SA | 667k | $57M | 9% | Mar 2026 |
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| Bank of America Corporation | 629k | $55M | 100% | Mar 2026 |
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| Franklin Resources | 627k | $55M | -10% | Mar 2026 |
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| Adage Capital Partners GP | 622k | $67M | 14% | Dec 2025 |
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| ClearBridge Advisors | 609k | $53M | 20% | Mar 2026 |
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| Ubs Global Asset Management Americas | 542k | $47M | -1% | Mar 2026 |
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| Charles Schwab Investment Management | 532k | $57M | 1% | Dec 2025 |
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| Loomis, Sayles and | 504k | $54M | -4% | Dec 2025 |
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| Siren | 500k | $54M | 0% | Dec 2025 |
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| Northern Trust | 488k | $52M | -4% | Dec 2025 |
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| Integral Health Asset Management | 475k | $51M | 116% | Dec 2025 |
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| Candriam Luxembourg S.C.A. | 464k | $40M | 61% | Mar 2026 |
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| Millennium Management | 452k | $39M | 142% | Mar 2026 |
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| Sofinnova Ventures | 450k | $39M | 66% | Mar 2026 |
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| Logos Global Management | 450k | $39M | 137% | Mar 2026 |
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| Vanguard Fiduciary Trust | 422k | $37M | 100% | Mar 2026 |
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| Artisan Partners Limited Partnership | 391k | $34M | 48% | Mar 2026 |
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| Ameriprise Financial | 384k | $33M | 47% | Mar 2026 |
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| Invesco | 364k | $32M | 25% | Mar 2026 |
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| Lord, Abbett & Co | 349k | $30M | -44% | Mar 2026 |
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| Renaissance Technologies | 341k | $37M | -38% | Dec 2025 |
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| OrbiMed Advisors | 314k | $27M | 31% | Mar 2026 |
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| Qube Research & Technologies | 311k | $33M | 30% | Dec 2025 |
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| Braidwell | 311k | $27M | 100% | Mar 2026 |
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| Bank of New York Mellon | 293k | $26M | -3% | Mar 2026 |
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| Sio Capital Management | 266k | $28M | 100% | Dec 2025 |
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| Squarepoint Ops | 263k | $23M | 701% | Mar 2026 |
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| Wellington Management Company | 250k | $27M | 922% | Dec 2025 |
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| Bnp Paribas Arbitrage, Snc | 248k | $22M | 51% | Mar 2026 |
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| Hood River Capital Management | 237k | $25M | 1% | Dec 2025 |
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| Susquehanna International | 235k | $25M | -37% | Dec 2025 |
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| Ing Investment Management | 234k | $20M | -6% | Mar 2026 |
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| UBS Group | 232k | $20M | -46% | Mar 2026 |
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| ADAR1 Capital Management | 212k | $18M | 312% | Mar 2026 |
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| SummitTX Capital | 166k | $14M | 105% | Mar 2026 |
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| Connor, Clark & Lunn Investment Management | 152k | $13M | 2% | Mar 2026 |
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| First Turn Management | 146k | $16M | 100% | Dec 2025 |
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| Deutsche Bank Aktiengesellschaft | 142k | $12M | 10% | Mar 2026 |
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| M&G | 139k | $12M | 1% | Mar 2026 |
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| Silverarc Capital Management | 136k | $15M | -63% | Dec 2025 |
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| Barclays | 131k | $14M | -8% | Dec 2025 |
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| New York State Common Retirement Fund | 125k | $11M | 34% | Mar 2026 |
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| Opaleye Management | 123k | $35M | -63% | Mar 2026 |
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| Nuveen | 117k | $10M | 1% | Mar 2026 |
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| Russell Investments | 116k | $10M | -14% | Mar 2026 |
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| Capital World Investors | 116k | $10M | 0% | Mar 2026 |
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| Swiss National Bank | 112k | $9.8M | 1% | Mar 2026 |
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| Axiom International Investors | 92k | $8.0M | 10% | Mar 2026 |
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| First Light Asset Management | 87k | $7.6M | -71% | Mar 2026 |
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| First Trust Advisors | 86k | $7.4M | -3% | Mar 2026 |
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| WCM Investment Management | 81k | $6.2M | 80% | Mar 2026 |
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| Standard Life Aberdeen | 79k | $6.9M | 100% | Mar 2026 |
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| Neuberger Berman Group | 74k | $7.9M | -14% | Dec 2025 |
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| Rhumbline Advisers | 70k | $6.1M | -2% | Mar 2026 |
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| Kennedy Capital Management | 66k | $5.7M | 65% | Mar 2026 |
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| California State Teachers Retirement System | 66k | $5.7M | 23% | Mar 2026 |
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| Universal- Beteiligungs- und Servicegesellschaft mbH | 63k | $5.5M | -49% | Mar 2026 |
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| AQR Capital Management | 59k | $5.2M | -15% | Mar 2026 |
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| Algert Coldiron Investors | 59k | $5.1M | -34% | Mar 2026 |
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| Rafferty Asset Management | 56k | $5.9M | 0% | Dec 2025 |
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| Granahan Investment Management | 54k | $5.7M | 7% | Dec 2025 |
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| Balyasny Asset Management | 53k | $4.6M | -27% | Mar 2026 |
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| CastleArk Management | 52k | $4.5M | -19% | Mar 2026 |
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| Manufacturers Life Insurance Company | 51k | $4.4M | -15% | Mar 2026 |
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| Jane Street | 50k | $4.4M | -64% | Mar 2026 |
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| Picton Mahoney Asset Management | 50k | $4.4M | 100% | Mar 2026 |
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| Vanguard Asset Management | 50k | $4.3M | 100% | Mar 2026 |
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| Nan Fung Group Holdings | 49k | $5.3M | 0% | Dec 2025 |
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| Legal & General Group | 47k | $4.1M | -15% | Mar 2026 |
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| Victory Capital Management | 45k | $4.9M | 6% | Dec 2025 |
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| Harvest Investment Services | 44k | $4.7M | -9% | Dec 2025 |
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| HighVista Strategies | 43k | $4.6M | 14% | Dec 2025 |
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| Utah Retirement Systems | 42k | $3.7M | 100% | Mar 2026 |
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| Raymond James Financial | 41k | $4.4M | -7% | Dec 2025 |
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| Sei Investments | 41k | $3.5M | 9% | Mar 2026 |
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| Hillsdale Investment Management | 40k | $3.5M | -5% | Mar 2026 |
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| Partner Fund Management | 40k | $4.3M | -17% | Dec 2025 |
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| TD Asset Management | 39k | $3.4M | -30% | Mar 2026 |
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| State of Wisconsin Investment Board | 36k | $3.9M | -12% | Dec 2025 |
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| Nicholas Investments Partners | 35k | $3.7M | 100% | Dec 2025 |
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| Mirae Asset Global Etfs Holdings | 35k | $3.0M | -1% | Mar 2026 |
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| Silvercrest Asset Management Group | 34k | $3.7M | 0% | Dec 2025 |
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| Wells Fargo & Company | 34k | $3.0M | -53% | Mar 2026 |
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| Aspiriant | 33k | $2.9M | 100% | Mar 2026 |
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| Lazard Asset Management | 33k | $2.9M | 29% | Mar 2026 |
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| D. E. Shaw & Co | 33k | $2.8M | 4% | Mar 2026 |
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| Alyeska Investment Group | 33k | $2.8M | 100% | Mar 2026 |
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| Harbor Capital Advisors | 30k | $2.6M | -26% | Mar 2026 |
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| Prudential Financial | 30k | $2.6M | -43% | Mar 2026 |
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| Vanguard Global Advisers | 30k | $2.6M | 100% | Mar 2026 |
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| Aquatic Capital Management | 30k | $2.6M | 100% | Mar 2026 |
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| EFG International | 29k | $3.1M | 100% | Dec 2025 |
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| MetLife Investment Advisors | 29k | $3.1M | -4% | Dec 2025 |
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| OTR - Nominee Name for The State Teachers Retirement Board of Ohio | 29k | $2.5M | 141% | Mar 2026 |
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| PDT Partners | 27k | $2.4M | -54% | Mar 2026 |
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| WEDGE Capital Management L | 25k | $2.1M | 27% | Mar 2026 |
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| Atom Investors | 23k | $2.5M | 100% | Dec 2025 |
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| ProFund Advisors | 23k | $2.0M | 8% | Mar 2026 |
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| Mutual Of America Capital Management | 23k | $2.0M | 100% | Mar 2026 |
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| Creative Planning | 21k | $1.8M | -16% | Mar 2026 |
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| Tudor Investment Corporation | 20k | $1.7M | 100% | Mar 2026 |
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| State of New Jersey Common Pension Fund D | 19k | $1.7M | 1% | Mar 2026 |
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| Dimensional Fund Advisors | 19k | $1.7M | -40% | Mar 2026 |
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| SG Americas Securities | 19k | $1.6M | 60% | Mar 2026 |
|
| Advisors Asset Management | 19k | $1.6M | 1% | Mar 2026 |
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| Captrust Financial Advisors | 18k | $2.0M | 0% | Dec 2025 |
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| Handelsbanken Fonder AB | 18k | $1.5M | 0% | Mar 2026 |
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| Guggenheim Capital, LLC Managers | 17k | $1.4M | 33% | Mar 2026 |
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| Zurcher Kantonalbank | 16k | $1.4M | 25% | Mar 2026 |
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| Knights of Columbus Asset Advisors | 16k | $1.4M | 51% | Mar 2026 |
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| Arizona State Retirement System | 16k | $1.4M | -1% | Mar 2026 |
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| Florida State Board of Administration | 15k | $1.3M | 0% | Mar 2026 |
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| Police & Firemen's Retirement System of New Jersey | 15k | $1.3M | 3% | Mar 2026 |
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| Hsbc Holdings | 14k | $1.2M | 100% | Mar 2026 |
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| Vanguard Investments Australia | 14k | $1.2M | 100% | Mar 2026 |
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| Jasper Ridge Partners | 14k | $1.2M | 146% | Mar 2026 |
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| Intech Investment Management | 14k | $1.2M | -36% | Mar 2026 |
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| Klp Kapitalforvaltning As | 13k | $1.1M | 4% | Mar 2026 |
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| Stifel Financial | 12k | $1.1M | -7% | Mar 2026 |
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| Citigroup | 12k | $1.1M | 100% | Mar 2026 |
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| China Universal Asset Management | 12k | $1.1M | 11% | Mar 2026 |
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| DnB NOR Asset Management AS | 11k | $974k | 0% | Mar 2026 |
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| ProShare Advisors | 11k | $932k | -15% | Mar 2026 |
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| XTX Topco | 10k | $1.1M | 100% | Dec 2025 |
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| Toth Financial Advisory Corporation | 10k | $870k | 0% | Mar 2026 |
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| Cannon Financial Strategists | 10k | $870k | 0% | Mar 2026 |
|
| Thomas Stevens, CFA" | 9.2k | $802k | -62% | Mar 2026 |
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| Great-West Life Assurance Company | 5.8k | $621k | -60% | Dec 2025 |
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| Rockefeller Capital Management | 4.8k | $421k | -59% | Mar 2026 |
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| Caption Management | 4.6k | $494k | -94% | Dec 2025 |
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| Brian McDonald | 4.0k | $428k | -98% | Dec 2025 |
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| Cinctive Capital Management | 3.2k | $345k | -91% | Dec 2025 |
|
| NISA Investment Advisors | 1.1k | $99k | -91% | Mar 2026 |
|
| Royal Bank of Canada | 62.00 | $5.0k | -100% | Mar 2026 |
|
Who sold out of Rhythm Pharmaceuticals?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| NEA Management Company | Dec 2025 | 2.9M | $312M |
| Jpmorgan Chase & Co | Sep 2025 | 1.2M | $120M |
| Alkeon Capital Management | Sep 2025 | 1.0M | $103M |
| Jennison Associates | Dec 2025 | 919k | $98M |
| Marshall Wace | Sep 2025 | 172k | $17M |
| Zweig-DiMenna Associates | Dec 2025 | 82k | $8.7M |
| ExodusPoint Capital Management | Dec 2025 | 75k | $8.0M |
| Norges Bank Investment Management | Dec 2025 | 66k | $7.1M |
| Voloridge Investment Management | Dec 2025 | 61k | $6.5M |
| Stempoint Capital | Dec 2025 | 59k | $6.3M |
| Eudaimonia Asset Management | Dec 2025 | 57k | $6.1M |
| Rhenman & Partners Asset Management AB | Dec 2025 | 35k | $3.7M |
| Magnetar Financial | Dec 2025 | 30k | $3.2M |
| Penserra Capital Management | Dec 2025 | 22k | $2.3M |
| Schroder Investment Management Group | Sep 2025 | 18k | $1.8M |
| Engineers Gate Manager | Sep 2025 | 14k | $1.4M |
| Hennion & Walsh Asset Management | Dec 2025 | 11k | $1.2M |
| Fiduciary Trust Company | Sep 2025 | 10k | $1.0M |