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
Name Holding Trade Value Shares
Change
Change in
Stake
SPIA
101
Steward Partners Investment Advisory
New York
$10.2K
Rockefeller Capital Management
102
Rockefeller Capital Management
New York
$9.66K
GI
103
GAMMA Investing
California
$9.54K
FFA
104
Farther Finance Advisors
California
$8.1K
QT
105
Quantbot Technologies
New York
$7.14K
UBS AM
106
UBS AM
Illinois
$4.65K
SCM
107
Sterling Capital Management
North Carolina
$4.21K
Carson Wealth (CWM LLC)
108
Carson Wealth (CWM LLC)
Nebraska
$2.69K
US Bancorp
109
US Bancorp
Minnesota
$2.04K
CIAM
110
Caitong International Asset Management
Hong Kong
$1.44K
AF
111
Allworth Financial
California
$1.16K
HFS
112
Hughes Financial Services
Virginia
$1.04K
Royal Bank of Canada
113
Royal Bank of Canada
Ontario, Canada
$1K
S
114
SignatureFD
Georgia
$962
EWA
115
EverSource Wealth Advisors
Alabama
$922
PNC Financial Services Group
116
PNC Financial Services Group
Pennsylvania
$641
FFO
117
Fortitude Family Office
Arizona
$601
RFP
118
Root Financial Partners
California
$401
CCA
119
Cygnus Capital Advisors
Georgia
$152
MCM
120
MAI Capital Management
Ohio
$81
RIL
121
Rothschild Investment LLC
Illinois
$40
SG Americas Securities
122
SG Americas Securities
New York
American Century Companies
123
American Century Companies
Missouri
DFCM
124
Dark Forest Capital Management
Puerto Rico
D.E. Shaw & Co
125
D.E. Shaw & Co
New York