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Symbol
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SION on Nasdaq
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Investment type
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Equity - Shares of Stock
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Class
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Common Stock, par value $0.001 per share
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Latest Disclosed Ownership
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10.4M shares
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Security Ownership
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23.7%
RA Capital Management, L.P. ownership in Sionna Therapeutics, Inc. Common Stock, par value $0.001 per share (SION)
2025-02-18 - RA Capital Management, L.P. has filed an SCHEDULE 13D form with the Securities and Exchange Commission (SEC) disclosing ownership of 10.4M shares of Sionna Therapeutics, Inc. Common Stock, par value $0.001 per share (SION).
This represents 23.7% percent ownership of the company.