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
Name Holding Trade Value Shares
Change
Change in
Stake
AA
76
AlphaCentric Advisors
Puerto Rico
$112K
BNP Paribas Financial Markets
77
BNP Paribas Financial Markets
France
$93.1K
Mirae Asset Global Investments
78
Mirae Asset Global Investments
South Korea
$89.2K
Legal & General Group
79
Legal & General Group
United Kingdom
$69.2K
Balyasny Asset Management
80
Balyasny Asset Management
Illinois
$57.8K
AIP
81
Ameritas Investment Partners
Nebraska
$53.6K
TRCT
82
Tower Research Capital (TRC)
New York
$46.4K
California State Teachers Retirement System (CalSTRS)
83
California State Teachers Retirement System (CalSTRS)
California
$40.6K
GFM
84
GF Fund Management
China
$36K
AB
85
Amalgamated Bank
New York
$21K
Royal Bank of Canada
86
Royal Bank of Canada
Ontario, Canada
$21K
Fidelity Investments
87
Fidelity Investments
Massachusetts
$15.8K
FFA
88
Farther Finance Advisors
California
$7.82K
GI
89
GAMMA Investing
California
$7.28K
Daiwa Securities Group
90
Daiwa Securities Group
Japan
$6K
SCM
91
Sterling Capital Management
North Carolina
$4.32K
Carson Wealth (CWM LLC)
92
Carson Wealth (CWM LLC)
Nebraska
$3K
US Bancorp
93
US Bancorp
Minnesota
$2.67K
Rockefeller Capital Management
94
Rockefeller Capital Management
New York
$1.98K
ACM
95
Aster Capital Management
United Arab Emirates
$1.52K
AF
96
Allworth Financial
California
$1.15K
HFS
97
Hughes Financial Services
Virginia
$1.03K
EWA
98
EverSource Wealth Advisors
Alabama
$823
PNC Financial Services Group
99
PNC Financial Services Group
Pennsylvania
$206
RIL
100
Rothschild Investment LLC
Illinois
$41