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Sionna Therapeutics shares owned by BlackRock

Quarter-by-quarter ownership of Sionna Therapeutics (SION) shares owned by BlackRock from 13F filings

Historical chart of BlackRock investment in Sionna Therapeutics

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All positions including Sionna Therapeutics held by BlackRock consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Sionna Therapeutics by BlackRock

Quarter filed Position value Share count Share price at filing
2025-09-30 $25M 845k 29.41
2025-06-30 $11M 637k 17.35
2025-03-31 $2.1M 198k 10.46