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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
BCI
151
Brinker Capital Investments
Pennsylvania
$592K +$33.6K +633 +4%
ASRS
152
Arizona State Retirement System
Arizona
$582K -$2.07K -39 -0.3%
CL
153
CIM LLC
New York
$580K -$76.2K -1,435 -9%
HIS
154
Harvest Investment Services
Illinois
$558K +$753K +14,182 New
YCM
155
Yousif Capital Management
Michigan
$557K -$3.4K -64 -0.5%
Vontobel Holding
156
Vontobel Holding
Switzerland
$557K -$195K -3,681 -21%
BFA
157
Beacon Financial Advisory
Ohio
$553K +$265 +5 +0%
PFSRSONJ
158
Police & Firemen's Retirement System of New Jersey
New Jersey
$550K – – –
ProShare Advisors
159
ProShare Advisors
Maryland
$538K -$98.2K -1,849 -12%
YMRC
160
Yorktown Management & Research Company
Virginia
$523K – – –
COPPSERS
161
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$518K -$743 -14 -0.1%
TRSOTSOK
162
Teachers Retirement System of the State of Kentucky
Kentucky
$517K – – –
OAM
163
Oberweis Asset Management
Illinois
$512K +$690K +13,000 New
VIA
164
Vanguard Investments Australia
Australia
$504K +$680K +12,810 New
B
165
Bailard
California
$495K -$84.9K -1,600 -11%
FIC
166
FCG Investment Company
Tennessee
$493K +$665K +12,531 New
IIM
167
INTECH Investment Management
Florida
$492K -$645K -12,154 -49%
Creative Planning
168
Creative Planning
Kansas
$490K +$168K +3,158 +34%
OPERF
169
Oregon Public Employees Retirement Fund
Oregon
$479K +$902 +17 +0.1%
Federated Hermes
170
Federated Hermes
Pennsylvania
$475K -$370K -6,979 -37%
KK
171
KLP Kapitalforvaltning
Norway
$468K +$31.9K +600 +5%
EIM
172
Essex Investment Management
Massachusetts
$463K – – –
Fifth Third Bancorp
173
Fifth Third Bancorp
Ohio
$449K +$601K +11,316 +11,547%
Grantham, Mayo, Van Otterloo & Co (GMO)
174
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$401K -$536K -10,106 -50%
DTL
175
Dynamic Technology Lab
Singapore
$399K +$539K +10,148 New
5 6
7
8 9

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.