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
PA
76
Profund Advisors
Maryland
$398K
Mirae Asset Global ETFs Holdings
77
Mirae Asset Global ETFs Holdings
Hong Kong
$363K
MIM
78
MetLife Investment Management
New Jersey
$343K
CUAMC
79
China Universal Asset Management Company
China
$318K
Susquehanna International Group
80
Susquehanna International Group
Pennsylvania
$293K
ECM
81
ExodusPoint Capital Management
New York
$288K
VC
82
VarCov Co
Connecticut
$263K
VIA
83
Virtus Investment Advisers
Connecticut
$256K
QL
84
Quarry LP
New York
$253K
Hudson Bay Capital Management
85
Hudson Bay Capital Management
Connecticut
$248K
Wells Fargo
86
Wells Fargo
California
$236K
Two Sigma Investments
87
Two Sigma Investments
New York
$220K
IIM
88
INTECH Investment Management
Florida
$220K
New York State Common Retirement Fund
89
New York State Common Retirement Fund
New York
$212K
AA
90
AlphaCentric Advisors
Puerto Rico
$193K
PFSRSONJ
91
Police & Firemen's Retirement System of New Jersey
New Jersey
$170K
Los Angeles Capital Management
92
Los Angeles Capital Management
California
$165K
SO
93
STRS Ohio
Ohio
$116K
TRCT
94
Tower Research Capital (TRC)
New York
$94.3K
Mirae Asset Global Investments
95
Mirae Asset Global Investments
South Korea
$93.3K
Legal & General Group
96
Legal & General Group
United Kingdom
$57.4K
AIP
97
Ameritas Investment Partners
Nebraska
$52.2K
GFM
98
GF Fund Management
China
$40.2K
California State Teachers Retirement System (CalSTRS)
99
California State Teachers Retirement System (CalSTRS)
California
$34.8K
Zurich Cantonal Bank
100
Zurich Cantonal Bank
Switzerland
$14.9K