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Sionna Therapeutics shares owned by Alliancebernstein

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

Historical chart of Alliancebernstein investment in Sionna Therapeutics

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

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Quarterly reported holdings in Sionna Therapeutics by Alliancebernstein

Quarter filed Position value Share count Share price at filing
2025-12-31 $643k 16k 41.14