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

Historical Holders

Symbol
SION on Nasdaq
CUSIP
829401108
Type / Class
Equity / Common Stock, par value $0.001 per share
Shares outstanding
44M

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

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
RA CAPITAL MANAGEMENT, L.P. 23.7% $121M 10.4M RA Capital Management, L.P. Feb 10, 2025
TPG GP A, LLC 15.2% $77.3M 6.68M TPG GP A, LLC Feb 10, 2025
ORBIMED ADVISORS LLC 8.4% $42.8M 3.7M ORBIMED ADVISORS LLC Feb 10, 2025
VIKING GLOBAL INVESTORS LP 6.7% $34.1M 2.95M VIKING GLOBAL INVESTORS LP Feb 10, 2025
Atlas Venture Fund XI, L.P. 6.5% $33.4M 2.89M Atlas Venture Fund XI, L.P. Feb 10, 2025
Enavate Sciences GP, LLC 5.6% $28.6M 2.48M Enavate Sciences GP, LLC Feb 10, 2025