RYTM institutional holders
RHYTHM PHARMACEUTICALS INC COM · 13F, 2026Q2
| Managers holding | 303 |
|---|
| Shares held | 77,413,117 |
|---|
| Reported value | $8.6bn |
|---|
| Quarter flows | 64 new, 105 added, 101 trimmed, 46 exited |
|---|
Top 25 holders
| Manager | Shares | Value | % of manager's 13F |
|---|
| RA CAPITAL MANAGEMENT, L.P. | 6,666,837 | $740.2m | 6.4% |
| BlackRock, Inc. | 6,156,902 | $683.6m | 0.0% |
| BAKER BROS. ADVISORS LP | 5,604,483 | $622.3m | 3.1% |
| PRIMECAP MANAGEMENT CO/CA/ | 3,168,853 | $351.8m | 0.2% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3,136,895 | $348.3m | 0.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | 3,005,977 | $333.8m | 0.0% |
| JPMORGAN CHASE & CO | 2,652,746 | $292.2m | 0.0% |
| PERCEPTIVE ADVISORS LLC | 2,586,295 | $287.2m | 4.3% |
| STATE STREET CORP | 2,573,529 | $285.7m | 0.0% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2,566,171 | $284.9m | 0.0% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 2,208,595 | $245.2m | 0.8% |
| GOLDMAN SACHS GROUP INC | 2,126,502 | $236.1m | 0.0% |
| FEDERATED HERMES, INC. | 1,785,716 | $198.3m | 0.3% |
| Polar Capital Holdings Plc | 1,663,632 | $184.7m | 0.4% |
| GEODE CAPITAL MANAGEMENT, LLC | 1,533,698 | $170.3m | 0.0% |
| Capital Research Global Investors | 1,532,303 | $170.1m | 0.0% |
| CITADEL ADVISORS LLC | 1,263,652 | $140.3m | 0.0% |
| Checkpoint Capital L.P. | 1,186,000 | $131.7m | 33.8% |
| Siren, L.L.C. | 1,136,275 | $126.2m | 2.6% |
| MORGAN STANLEY | 1,112,240 | $123.5m | 0.0% |
| FMR LLC | 1,025,840 | $113.9m | 0.0% |
| Pictet Asset Management Holding SA | 957,785 | $106.3m | 0.1% |
| Jupiter Topco LLC | 925,490 | $102.8m | 0.0% |
| Woodline Partners LP | 758,891 | $84.3m | 0.3% |
| ALLIANCEBERNSTEIN L.P. | 894,723 | $77.8m | 0.0% |
Every holder, line by line, and the full history since 2013: yf.Client().holders("RYTM"). RYTM price history · All 13F data
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