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ACM Research
ACMR

300 hedge funds and large institutions have $1.74B invested in ACM Research in 2026 Q1 according to their latest regulatory filings, with 74 funds opening new positions, 81 increasing their positions, 105 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed

141% more call options, than puts

Call options by funds: $113M | Put options by funds: $47M

68% more first-time investments, than exits

New positions opened: 74 | Existing positions closed: 44

8% more funds holding

Funds holding: 277 → 300 (+23)

2% less capital invested

Capital invested by funds: $1.79B → $1.74B (-$41M)

2.41% less ownership

Funds ownership: 75.54% → 73.13% (-2.4%)

23% less repeat investments, than reductions

Existing positions increased: 81 | Existing positions reduced: 105

25% less funds holding in top 10

Funds holding in top 10: 8 → 6 (-2)

Holders
300
Holders Change
+23
Holders Change %
+8.3%
% of All Funds
3.69%
Holding in Top 10
6
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-25%
% of All Funds
0.07%
New
74
Increased
81
Reduced
105
Closed
44
Calls
$113M
Puts
$47M
Net Calls
+$66.4M
Net Calls Change
+$24.2M

Top Buyers

1
WCM Investment Management
WCM Investment Management
California
+$98.2M
2
VARA
Value Aligned Research Advisors
New Jersey
+$50.7M
3
PCP
Polunin Capital Partners
United Kingdom
+$40.5M
4
LP
Longaeva Partners
Illinois
+$37.6M
5
OCMH
Oxbow Capital Management (HK)
Hong Kong
+$31.7M

Top Sellers

1
LSV Asset Management
LSV Asset Management
Illinois
-$97.4M
2
TC
Triata Capital
Hong Kong
-$76.1M
3
SAM
Southeastern Asset Management
Tennessee
-$47.6M
4
Invesco
Invesco
Georgia
-$29.5M
5
BBCM
Broad Bay Capital Management
New York
-$25.7M
Name Holding Trade Value Shares
Change 		Change in
Stake
Zurich Cantonal Bank
126
Zurich Cantonal Bank
Switzerland
$926K +$1.25M +23,525 New
EWM
127
Empirical Wealth Management
Washington
$922K -$143K -2,697 -10%
Raymond James Financial
128
Raymond James Financial
Florida
$874K -$957K -18,031 -45%
MML Investors Services
129
MML Investors Services
Massachusetts
$868K -$41.6K -784 -3%
IIM
130
Illumine Investment Management
Washington
$862K -$325K -6,124 -22%
SG Americas Securities
131
SG Americas Securities
New York
$840K -$11M -208,130 -91%
CFM
132
Catalyst Funds Management
Australia
$838K +$1.13M +21,300 New
Carson Wealth (CWM LLC)
133
Carson Wealth (CWM LLC)
Nebraska
$809K -$1.96K -37 -0.2%
AI
134
Aperture Investors
New York
$806K +$1.09M +20,484 New
Blackstone Inc
135
Blackstone Inc
New York
$796K +$1.07M +20,241 New
GC
136
Guggenheim Capital
Illinois
$786K -$1.84M -34,609 -63%
BHCM
137
Brevan Howard Capital Management
Jersey
$767K +$1.04M +19,499 New
MF
138
Magnetar Financial
Illinois
$720K +$972K +18,303 New
VF
139
Virtu Financial
New York
$679K +$915K +17,244 New
MFS
140
Mirabella Financial Services
United Kingdom
$673K +$908K +17,105 New
VOYA Investment Management
141
VOYA Investment Management
Georgia
$667K -$174K -3,271 -16%
NAMI
142
Nomura Asset Management International
Pennsylvania
$661K -$669K -12,600 -43%
SWM
143
Spire Wealth Management
Virginia
$641K -$16.1K -303 -2%
Handelsbanken Fonder
144
Handelsbanken Fonder
Sweden
$626K – – –
CCG
145
Cypress Capital Group
Florida
$623K +$840K +15,820 New
State of Tennessee, Department of Treasury
146
State of Tennessee, Department of Treasury
Tennessee
$620K – – –
SO
147
STRS Ohio
Ohio
$610K +$467K +8,800 +131%
AB
148
Amalgamated Bank
New York
$600K +$1.17K +22 +0.1%
Allspring Global Investments
149
Allspring Global Investments
North Carolina
$599K -$508K -9,577 -39%
OL
150
Odyssean LLC
Connecticut
$596K – – –
4 5
6
7 8

ACMR Hedge Fund Activity: Q1 2026 in Review

300 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in ACM Research (ACMR) for Q1 2026, worth a combined $1.74B — down 2.3% from $1.79B a quarter earlier.

Buyers outnumbered sellers: 74 funds opened new ACMR positions and 44 closed out — a net gain of 30 holders — while 81 added to existing stakes and 105 trimmed.

The largest buyer was WCM Investment Management, adding an estimated $98.2M. The largest seller was LSV Asset Management, cutting an estimated $97.4M.

  • 300 institutional investors held ACM Research (ACMR) as of Q1 2026, up from 277 in Q4 2025.
  • Funds reported $1.74B of ACM Research stock for Q1 2026, down 2.3% quarter-over-quarter.
  • 74 funds opened new ACM Research positions in Q1 2026 and 44 closed out, a net change of +30 holders.
  • The largest ACM Research buyer in Q1 2026 was WCM Investment Management, an estimated $98.2M added.
  • The largest ACM Research seller in Q1 2026 was LSV Asset Management, an estimated $97.4M sold.

Based on aggregated 13F filings for Q1 2026.