Sionna Therapeutics, Inc. - Common Stock, $0.001 par value per share (SION)

84 filings reported holding SION - Sionna Therapeutics, Inc. - Common Stock, $0.001 par value per share as of Q3 2025.
Sionna Therapeutics, Inc. - Common Stock, $0.001 par value per share (SION) has 78 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 42,840,564 shares of 44,565,097 outstanding shares and own 96% of the company stock.
Largest 10 shareholders include RA CAPITAL MANAGEMENT, L.P. (10,445,322 shares), TPG GP A, LLC (6,744,962 shares), ORBIMED ADVISORS LLC (3,704,959 shares), Atlas Venture Life Science Advisors, LLC (3,615,527 shares), VIKING GLOBAL INVESTORS LP (3,195,181 shares), ENAVATE SCIENCES GP, LLC (2,478,030 shares), JPMORGAN CHASE & CO (1,978,626 shares), PERCEPTIVE ADVISORS LLC (1,179,098 shares), VANGUARD GROUP INC (1,143,154 shares), and JENNISON ASSOCIATES LLC (997,375 shares).
This table shows the top 78 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.