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ACM Research

277 hedge funds and large institutions have $1.79B invested in ACM Research in 2025 Q4 according to their latest regulatory filings, with 69 funds opening new positions, 94 increasing their positions, 85 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed

57% more first-time investments, than exits

New positions opened: 69 | Existing positions closed: 44

53% more call options, than puts

Call options by funds: $121M | Put options by funds: $79M

11% more repeat investments, than reductions

Existing positions increased: 94 | Existing positions reduced: 85

9% more capital invested

Capital invested by funds: $1.63B → $1.79B (+$151M)

7% more funds holding

Funds holding: 258277 (+19)

4.95% more ownership

Funds ownership: 70.6%75.54% (+4.9%)

0% more funds holding in top 10

Funds holding in top 10: 88 (0)

Holders
277
Holders Change
+19
Holders Change %
+7.36%
% of All Funds
3.37%
Holding in Top 10
8
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.1%
New
69
Increased
94
Reduced
85
Closed
44
Calls
$121M
Puts
$79M
Net Calls
+$42.1M
Net Calls Change
+$1.61M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$311M +$11.2M +300,941 +4%
Vanguard Group
2
Vanguard Group
Pennsylvania
$196M +$4.68M +125,690 +3%
LSV Asset Management
3
LSV Asset Management
Illinois
$93.9M -$4.61M -123,784 -5%
State Street
4
State Street
Massachusetts
$77.2M -$1.2M -32,213 -2%
TC
5
Triata Capital
Hong Kong
$76.1M -$2.73M -73,306 -4%
SAM
6
Southeastern Asset Management
Tennessee
$66.3M +$7.25M +194,494 +13%
Morgan Stanley
7
Morgan Stanley
New York
$54.9M +$19.2M +515,340 +59%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$53M +$723K +19,397 +1%
Invesco
9
Invesco
Georgia
$52.9M +$40.8M +1,095,634 +444%
Janus Henderson Group
10
Janus Henderson Group
United Kingdom
$42.7M +$37.7M +1,011,088 +1,406%
Mitsubishi UFJ Trust & Banking
11
Mitsubishi UFJ Trust & Banking
Japan
$32.7M -$19.8M -530,842 -39%
Fidelity Investments
12
Fidelity Investments
Massachusetts
$31.7M +$20.7M +555,495 +224%
TCM
13
Tekne Capital Management
New York
$28.2M +$26.6M +715,000 New
CC
14
Cederberg Capital
United Kingdom
$27.4M +$7.36M +197,400 +40%
BBCM
15
Broad Bay Capital Management
New York
$25.7M -$13.4M -360,200 -36%
Northern Trust
16
Northern Trust
Illinois
$21.5M -$1.6M -43,049 -7%
UBS Group
17
UBS Group
Switzerland
$20.1M -$2.91M -78,225 -13%
SCP
18
Steamboat Capital Partners
New York
$19.9M -$777K -20,839 -4%
Charles Schwab
19
Charles Schwab
California
$18.9M +$1.53M +41,175 +9%
RBI
20
Raiffeisen Bank International
Austria
$17.5M
PCM
21
Penn Capital Management
Pennsylvania
$17.2M +$16.2M +435,843 New
Principal Financial Group
22
Principal Financial Group
Iowa
$15.1M +$1.72M +46,136 +14%
Goldman Sachs
23
Goldman Sachs
New York
$14.3M -$11.6M -311,653 -46%
NCM
24
Nearwater Capital Markets
Ireland
$13.8M +$13.1M +350,800 New
AQR Capital Management
25
AQR Capital Management
Connecticut
$13.6M -$490K -13,138 -4%