Type / Class
Equity / Common Stock, $0.001 par value per share
Shares outstanding
44,565,097
Total 13F shares
43,448,393
Share change
+1,954,685
Total reported value
$753,831,077
Price per share
$17.35
Number of holders
65
Value change
+$37,292,996
Number of buys
43
Number of sells
18

Institutional Holders of Sionna Therapeutics, Inc. - Common Stock, $0.001 par value per share (SION) as of Q2 2025

As of 30 Jun 2025, Sionna Therapeutics, Inc. - Common Stock, $0.001 par value per share (SION) was held by 65 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 43,448,393 shares. The largest 10 holders included RA CAPITAL MANAGEMENT, L.P., TPG GP A, LLC, ORBIMED ADVISORS LLC, Atlas Venture Life Science Advisors, LLC, VIKING GLOBAL INVESTORS LP, ENAVATE SCIENCES GP, LLC, JPMORGAN CHASE & CO, PERCEPTIVE ADVISORS LLC, BRAIDWELL LP, and DEERFIELD MANAGEMENT COMPANY, L.P.. This page lists 65 institutional shareholders reporting positions in this security for the Q2 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* 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.