Position history for RA CAPITAL MANAGEMENT, L.P.'s holdings in DISC MEDICINE INC
RA CAPITAL MANAGEMENT, L.P. holds 2.5M shares of IRON (DISC MEDICINE INC), worth $156.7M as of 2026-Q1. The position was increased (+24.0% shares). IRON represents 1.7% of RA CAPITAL MANAGEMENT, L.P.'s portfolio.
Current Value
$156.7M
Current Shares
2.5M
Total Value Change
+$78.4M
Total Shares Change
+873,115
Other major holders of IRON: FMR LLC, BlackRock, Inc.
Increased |
| 2.5M |
+24.0% |
| $156.7M |
| 1.7% |
| $64.36 |
58 |
| 2025-Q4 | Increased | 2M | +25.3% | $156.9M | 1.6% | $76.89 | 59 |
| 2025-Q3 | Unchanged | 1.6M | 0.0% | $104.2M | 1.3% | $65.06 | 0 |
| 2025-Q2 | Unchanged | 1.6M | 0.0% | $83.5M | 1.4% | $54.50 | 0 |
| 2025-Q1 | New | 1.6M | - | $78.3M | 1.3% | $52.36 | 68 |