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ACM Research

274 hedge funds and large institutions have $1.78B invested in ACM Research in 2025 Q4 according to their latest regulatory filings, with 68 funds opening new positions, 94 increasing their positions, 85 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
274
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
$121M
Puts
$79M
Net Calls
Net Calls Change

Top Buyers

1 +$40.8M
2 +$37.7M
3 +$26.6M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$20.7M
5
Morgan Stanley
Morgan Stanley
New York
+$19.2M

Top Sellers

1 -$38.8M
2 -$19.8M
3 -$13.4M
4
Goldman Sachs
Goldman Sachs
New York
-$11.6M
5
MAMHA
MY.Alpha Management HK Advisors
Hong Kong
-$9.49M
Name Holding Trade Value Shares
Change
Change in
Stake
DC
101
Diametric Capital
Massachusetts
$1.38M
New York State Teachers Retirement System (NYSTRS)
102
New York State Teachers Retirement System (NYSTRS)
New York
$1.37M
Teacher Retirement System of Texas
103
Teacher Retirement System of Texas
Texas
$1.35M
D.E. Shaw & Co
104
D.E. Shaw & Co
New York
$1.22M
JIR
105
James Investment Research
Ohio
$1.17M
FCM
106
FirstWave Capital Management
Florida
$1.16M
NAMI
107
Nomura Asset Management International
Pennsylvania
$1.16M
SOADOR
108
State of Alaska Department of Revenue
Alaska
$1.14M
OBC
109
Oakum Bay Capital
Connecticut
$1.14M
MIM
110
MetLife Investment Management
New Jersey
$1.13M
Norges Bank
111
Norges Bank
Norway
$1.13M
IIM
112
Illumine Investment Management
Washington
$1.11M
Allspring Global Investments
113
Allspring Global Investments
North Carolina
$1.09M
AR
114
Advisory Research
Illinois
$1.08M
Neuberger Berman Group
115
Neuberger Berman Group
New York
$1.08M
JFG
116
Jefferies Financial Group
New York
$1.05M
EWM
117
Empirical Wealth Management
Washington
$1.03M
Mirae Asset Global ETFs Holdings
118
Mirae Asset Global ETFs Holdings
Hong Kong
$991K
Manulife (Manufacturers Life Insurance)
119
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$985K
IIM
120
INTECH Investment Management
Florida
$973K
LSERS
121
Louisiana State Employees Retirement System
Louisiana
$963K
IMRF
122
Illinois Municipal Retirement Fund
Illinois
$953K
Millennium Management
123
Millennium Management
New York
$927K
Wealth Enhancement Advisory Services
124
Wealth Enhancement Advisory Services
Minnesota
$925K
State of Tennessee, Department of Treasury
125
State of Tennessee, Department of Treasury
Tennessee
$916K