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ACM Research

271 hedge funds and large institutions have $1.78B invested in ACM Research in 2025 Q4 according to their latest regulatory filings, with 66 funds opening new positions, 94 increasing their positions, 84 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
271
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
$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
Citadel Advisors
Citadel Advisors
Florida
-$9.39M