Type / Class
Equity / Common Stock, $0.001 par value per share
Shares outstanding
44,565,097
Total 13F shares
850,828
Share change
-99,872
Total reported value
$35,003,236
Price per share
$41.14
Number of holders
3
Value change
-$4,108,562
Number of buys
2
Number of sells
1

Institutional Holders of Sionna Therapeutics, Inc. - Common Stock, $0.001 par value per share (SION) as of Q4 2025

As of 31 Dec 2025, Sionna Therapeutics, Inc. - Common Stock, $0.001 par value per share (SION) was held by 3 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 850,828 shares. The largest 3 holders included Aberdeen Group plc, SG Americas Securities, LLC, and GAMMA Investing LLC. This page lists 3 institutional shareholders reporting positions in this security for the Q4 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.