SION

Sionna Therapeutics

100 hedge funds and large institutions have $1.81B invested in Sionna Therapeutics in 2025 Q4 according to their latest regulatory filings, with 29 funds opening new positions, 39 increasing their positions, 20 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
100
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change

Top Buyers

1 +$39.9M
2 +$24.2M
3 +$17.2M
4
BlackRock
BlackRock
New York
+$16.9M
5
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$7.34M