RNA

Atrium Therapeutics

161 hedge funds and large institutions have $198M invested in Atrium Therapeutics in 2026 Q1 according to their latest regulatory filings, with 161 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
161
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$968K
Puts
$15.6M
Net Calls
Net Calls Change

Top Buyers

1 +$21.8M
2 +$16.9M
3 +$12.1M
4
TAL
TIG Advisors LLC
New York
+$8.54M
5
PCM
Pentwater Capital Management
Florida
+$8.47M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change
Change in
Stake
EAM
101
Erste Asset Management
Austria
$48.8K
Walleye Trading
102
Walleye Trading
New York
$48.5K
PFSRSONJ
103
Police & Firemen's Retirement System of New Jersey
New Jersey
$42.5K
TRCT
104
Tower Research Capital (TRC)
New York
$36.9K
New York State Common Retirement Fund
105
New York State Common Retirement Fund
New York
$36.8K
SO
106
STRS Ohio
Ohio
$34.8K
DP
107
Diadema Partners
New Jersey
$33.6K
Barclays
108
Barclays
United Kingdom
$28K
MCM
109
MAI Capital Management
Ohio
$17.3K
N
110
Natixis
France
$17.3K
AIP
111
Ameritas Investment Partners
Nebraska
$12.7K
PNC Financial Services Group
112
PNC Financial Services Group
Pennsylvania
$12.6K
FDCDDQ
113
Federation des caisses Desjardins du Quebec
Quebec, Canada
$10.8K
Public Employees Retirement Association of Colorado
114
Public Employees Retirement Association of Colorado
Colorado
$10K
MTCM
115
Mint Tower Capital Management
Netherlands
$10K
Citigroup
116
Citigroup
New York
$8.53K
SPIA
117
Steward Partners Investment Advisory
New York
$8.49K
UBS AM
118
UBS AM
Illinois
$8.18K
PCM
119
PenderFund Capital Management
British Columbia, Canada
$6.55K
VanEck Associates
120
VanEck Associates
New York
$6K
Nisa Investment Advisors
121
Nisa Investment Advisors
Missouri
$5.13K
KBC Group
122
KBC Group
Belgium
$5K
GI
123
GAMMA Investing
California
$4.48K
Mitsubishi UFJ Asset Management
124
Mitsubishi UFJ Asset Management
Japan
$4.42K
QCG
125
Quadrant Capital Group
Ohio
$4.22K