Sionna Therapeutics shares owned by Vanguard Portfolio Management
Quarter-by-quarter ownership of Sionna Therapeutics (SION) shares owned by Vanguard Portfolio Management
from 13F filings
Historical chart of Vanguard Portfolio Management investment in Sionna Therapeutics
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Quarterly reported holdings in Sionna Therapeutics by Vanguard Portfolio Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-03-31 | $5.7M | 142k | 40.09 |
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