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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
BFM
101
Boothbay Fund Management
New York
$1.5M -$4.29M -80,900 -68%
VAM
102
Vanguard Asset Management
$1.41M +$1.91M +35,911 New
Thrivent Financial for Lutherans
103
Thrivent Financial for Lutherans
Minnesota
$1.4M -$55.5K -1,046 -3%
State of Wisconsin Investment Board
104
State of Wisconsin Investment Board
Wisconsin
$1.37M +$1.2M +22,543 +185%
State of New Jersey Common Pension Fund D
105
State of New Jersey Common Pension Fund D
New Jersey
$1.35M +$1.83M +34,414 New
NAM
106
NorthCrest Asset Manangement
Minnesota
$1.35M -$9.45K -178 -0.5%
OBC
107
Oakum Bay Capital
Connecticut
$1.35M +$297K +5,600 +19%
New York State Teachers Retirement System (NYSTRS)
108
New York State Teachers Retirement System (NYSTRS)
New York
$1.33M -$53.7K -1,011 -3%
IMRF
109
Illinois Municipal Retirement Fund
Illinois
$1.24M +$392K +7,377 +31%
CCAM
110
Capelight Capital Asset Management
New York
$1.18M -$1.06M -20,000 -40%
JIR
111
James Investment Research
Ohio
$1.17M +$2.02K +38 +0.1%
AR
112
Advisory Research
Illinois
$1.11M +$51.8K +975 +4%
SOADOR
113
State of Alaska Department of Revenue
Alaska
$1.11M -$43.9K -827 -3%
MIM
114
MetLife Investment Management
New Jersey
$1.1M -$41.7K -786 -3%
Cerity Partners
115
Cerity Partners
New York
$1.08M -$12.8M -240,799 -90%
GCP
116
GSA Capital Partners
United Kingdom
$1.05M +$1.42M +26,759 New
Wealth Enhancement Advisory Services
117
Wealth Enhancement Advisory Services
Minnesota
$1.04M +$2.17M +40,816 +222%
Ohio Public Employees Retirement System (OPERS)
118
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.03M +$1.38M +26,055 New
GCS
119
Gordian Capital (Singapore)
Singapore
$1.02M +$1.38M +26,000 New
Mirae Asset Global ETFs Holdings
120
Mirae Asset Global ETFs Holdings
Hong Kong
$1.02M +$42.5K +800 +3%
VGA
121
Vanguard Global Advisers
Pennsylvania
$1.02M +$1.37M +25,883 New
Neuberger Berman Group
122
Neuberger Berman Group
New York
$983K -$93.4K -1,760 -7%
Manulife (Manufacturers Life Insurance)
123
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$975K -$9.08K -171 -0.7%
Simplex Trading
124
Simplex Trading
Illinois
$963K -$4.59M -86,488 -78%
LSERS
125
Louisiana State Employees Retirement System
Louisiana
$929K -$42.5K -800 -3%
3 4
5
6 7

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.