Position history for WESTFIELD CAPITAL MANAGEMENT CO LP's holdings in RHYTHM PHARMACEUTICALS INC
WESTFIELD CAPITAL MANAGEMENT CO LP holds 1.3M shares of RYTM (RHYTHM PHARMACEUTICALS INC), worth $135.6M as of 2025-Q4. The position was increased (++18.5% shares). RYTM represents 0.6% of WESTFIELD CAPITAL MANAGEMENT CO LP's portfolio.
Current Value
$135.6M
Current Shares
1.3M
Total Value Change
+$64.6M
Total Shares Change
-73,934
Other major holders of RYTM: BNP PARIBAS FINANCIAL MARKETS, UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC, RA CAPITAL MANAGEMENT, L.P.
Increased |
| 1.3M |
+18.5% |
| $135.6M |
| 0.6% |
| $106.76 |
50 |
| 2025-Q3 | Decreased | 1.1M | -34.4% | $108M | 0.5% | $100.64 | 0 |
| 2025-Q2 | Increased | 1.6M | +21.5% | $103M | 0.4% | $62.73 | 43 |
| 2025-Q1 | New | 1.3M | - | $71M | 0.3% | $54.80 | 49 |