Rhythm Pharmaceuticals, Inc.
RYTM- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001649904
In the last 90 days, Rhythm Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 6 sales; 304 institutions reported holding it in 13F filings for Q2 2026, worth $8.55B in total; Duquesne Family Office is the only superinvestor holding it.
13F holders, Q2 2023
Institutional positions in Rhythm Pharmaceuticals, Inc. as of Jun 30, 2023. 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
- 116
- −10 vs. Q1 2023
- Shares held
- 66.2M
- +5.88M (+9.7%) vs. Q1 2023
- Total value
- $1.09B
- +$15.7M (+1.5%) vs. Q1 2023
- New holders
- 28
- 42 more added
- Sold out
- 38
- 23 more reduced
Compare with Q1 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting RYTM 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 | 304 | $8.55B |
| Q1 2026 | 285 | $6.42B |
| Q4 2025 | 281 | $7.80B |
| Q3 2025 | 264 | $7.20B |
| Q2 2025 | 227 | $4.20B |
| Q1 2025 | 228 | $3.44B |
| Q4 2024 | 203 | $3.63B |
| Q3 2024 | 176 | $3.55B |
| Q2 2024 | 165 | $2.85B |
| Q1 2024 | 167 | $2.95B |
| Q4 2023 | 169 | $3.07B |
| Q3 2023 | 144 | $1.56B |
| Q2 2023 | 116 | $1.09B |
| Q1 2023 | 126 | $1.08B |
| Q4 2022 | 115 | $1.81B |
| Q3 2022 | 101 | $1.45B |
| Q2 2022 | 90 | $190.8M |
| Q1 2022 | 111 | $562.7M |
| Q4 2021 | 98 | $483.6M |
| Q3 2021 | 97 | $626.3M |
| Q2 2021 | 105 | $905.6M |
| Q1 2021 | 124 | $1.01B |
Institutions, Q2 2023
Shares, value and share of portfolio for each institution holding Rhythm Pharmaceuticals, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Geode Capital Management, LLC | 973,350 | $16.1M | 0.00% | +500,589+105.9% | Added |
| Janus Henderson Group PLC | 1,078,207 | $17.8M | 0.01% | −19,366−1.8% | Reduced |
| VR Adviser, LLC | 1,090,000 | $18.0M | 2.87% | +1,090,000 | New |
| Rock Springs Capital Management LP | 1,597,123 | $26.3M | 0.63% | 00.0% | Unchanged |
| Alkeon Capital Management LLC | 1,725,167 | $28.4M | 0.17% | −290,799−14.4% | Reduced |
| Frazier Life Sciences Management, L.P. | 2,167,222 | $35.7M | 2.13% | +2,483+0.1% | Added |
| Polar Capital Holdings Plc | 2,250,000 | $37.1M | 0.25% | +500,000+28.6% | Added |
| NEA Management Company, LLC | 2,909,956 | $48.0M | 3.66% | 00.0% | Unchanged |
| Vanguard Group Inc | 2,929,429 | $48.3M | 0.00% | +281,293+10.6% | Added |
| State Street Corp | 3,267,425 | $53.9M | 0.00% | +655,237+25.1% | Added |
| Federated Hermes, Inc. | 3,891,683 | $64.2M | 0.16% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 5,186,013 | $85.5M | 0.02% | −124,690−2.3% | Reduced |
| Ra Capital Management, L.P. | 5,676,067 | $93.6M | 1.77% | +160,000+2.9% | Added |
| BlackRock Inc. | 6,265,005 | $103.3M | 0.00% | +2,484,406+65.7% | Added |
| Baker Bros. Advisors LP | 6,498,267 | $107.2M | 0.62% | 00.0% | Unchanged |
| Primecap Management Co | 8,299,317 | $136.9M | 0.11% | +692,006+9.1% | Added |
| Millennium Management LLC | 0 | $0 | 0.00% | −546,906−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −291,314−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −278,758−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −278,203−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −218,445−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −193,590−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −105,975−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −77,228−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −56,050−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −43,114−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −42,130−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −37,950−100.0% | Sold out |
| HighVista Strategies LLC | 0 | $0 | 0.00% | −35,478−100.0% | Sold out |
| Jupiter Asset Management Ltd | 0 | $0 | 0.00% | −34,899−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −30,810−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −29,500−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −20,880−100.0% | Sold out |
| Parkwood LLC | 0 | $0 | 0.00% | −19,147−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −16,313−100.0% | Sold out |
| ClariVest Asset Management LLC | 0 | $0 | 0.00% | −14,360−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −14,099−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −13,311−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −11,955−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −11,618−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −11,563−100.0% | Sold out |
| Boulder Hill Capital Management LP | 0 | $0 | 0.00% | −10,600−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −10,339−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −3,812−100.0% | Sold out |
| Denali Advisors LLC | 0 | $0 | 0.00% | −3,200−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −1,126−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −350−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| TCI Wealth Advisors, Inc. | 0 | $0 | 0.00% | −254−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −148−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |