Position history for RA CAPITAL MANAGEMENT, L.P.'s holdings in SIONNA THERAPEUTICS INC
RA CAPITAL MANAGEMENT, L.P. holds 9.9M shares of SION (SIONNA THERAPEUTICS INC), worth $407.5M as of 2025-Q4. The position was decreased (-5.2% shares). SION represents 4.2% of RA CAPITAL MANAGEMENT, L.P.'s portfolio.
Current Value
$407.5M
Current Shares
9.9M
Total Value Change
+$298.2M
Total Shares Change
-540,277
Other major holders of SION: VIKING GLOBAL INVESTORS LP, JPMORGAN CHASE & CO, BlackRock, Inc.
Decreased |
| 9.9M |
-5.2% |
| $407.5M |
| 4.2% |
| $41.39 |
0 |
| 2025-Q3 | Unchanged | 10.4M | 0.0% | $307.2M | 3.8% | $29.52 | 0 |
| 2025-Q2 | Unchanged | 10.4M | 0.0% | $181.2M | 3.1% | $15.84 | 0 |
| 2025-Q1 | New | 10.4M | - | $109.3M | 1.8% | $11.56 | 69 |