SION

Sionna Therapeutics

122 hedge funds and large institutions have $1.82B invested in Sionna Therapeutics in 2026 Q1 according to their latest regulatory filings, with 32 funds opening new positions, 40 increasing their positions, 30 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
122
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
8
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 +$12.8M
2 +$11.2M
3 +$9.04M
4
JP Morgan Chase
JP Morgan Chase
New York
+$8.9M
5
Goldman Sachs
Goldman Sachs
New York
+$8.66M

Top Sellers

1 -$19.9M
2 -$10.5M
3 -$9.54M
4
Invesco
Invesco
Georgia
-$3.83M
5
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$2.86M