SION position history
The shares of Sionna Therapeutics (SION) that VIKING GLOBAL INVESTORS LP reported in each quarter’s 13F.
Shares held by quarter
New Add Reduce Exit
- 2025 Q1: 2,952,754 shares, $31M, 0.10% of portfolio, New
- 2025 Q2: 3,195,181 shares, $55M, 0.16% of portfolio, Add +8.2%
- 2025 Q3: 3,195,181 shares, $94M, 0.24% of portfolio
- 2025 Q4: 3,195,181 shares, $131M, 0.35% of portfolio
- 2026 Q1: 3,195,181 shares, $128M, 0.36% of portfolio
- 2026 Q2: 3,195,181 shares, $141M, 0.40% of portfolio
| Holdings date | Value | % of holdings | Shares | Filing date | All 13F holders |
|---|