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SION2 quarters
Position history for VPVANGUARD PORTFOLIO MANAGEMENT LLC's holdings in SIONNA THERAPEUTICS INC
VANGUARD PORTFOLIO MANAGEMENT LLC holds 222,949 shares of SION (SIONNA THERAPEUTICS INC), worth $9.8M as of 2026-Q2. The position was increased (+56.9% shares). SION represents 0.0% of VANGUARD PORTFOLIO MANAGEMENT LLC's portfolio.
Current Value
$9.8M
Current Shares
222,949
Total Value Change
+$4.1M
Total Shares Change
+80,868
Quarter-by-Quarter History
Other major holders of SION: RA CAPITAL MANAGEMENT, L.P.