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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
AC
176
Allstate Corporation
Illinois
$399K +$539K +10,146 New
N
177
Numerai
California
$396K +$535K +10,073 New
Pictet Asset Management
178
Pictet Asset Management
Switzerland
$383K – – –
PCA
179
Pallas Capital Advisors
Massachusetts
$361K -$22.8K -430 -4%
Cetera Investment Advisers
180
Cetera Investment Advisers
Illinois
$346K +$86.1K +1,621 +23%
S
181
Storgate
Texas
$340K +$458K +8,628 New
SGI
182
Summit Global Investments
Utah
$338K +$456K +8,592 New
DC
183
Diametric Capital
Massachusetts
$337K -$1.41M -26,474 -76%
PCM
184
Prelude Capital Management
New York
$330K -$25.9K -487 -5%
LG
185
Leuthold Group
Minnesota
$320K -$12.8K -242 -3%
HT
186
Headlands Technologies
Illinois
$306K +$413K +7,773 New
MSRPS
187
Maryland State Retirement & Pension System
Maryland
$306K – – –
BPA
188
Beacon Pointe Advisors
California
$302K +$407K +7,666 New
PHS
189
Pekin Hardy Strauss
Illinois
$295K +$398K +7,500 New
Osaic Holdings
190
Osaic Holdings
Arizona
$287K -$375K -7,060 -49%
VA
191
Vident Advisory
Georgia
$284K -$132K -2,483 -26%
CA
192
CoreCap Advisors
Michigan
$284K -$288K -5,416 -43%
PP
193
Prudential plc
United Kingdom
$281K -$158K -2,977 -29%
FAOAI
194
Fund Advisors of America Inc
Florida
$280K -$79.1K -1,490 -17%
IAA
195
Independent Advisor Alliance
North Carolina
$276K -$2.34K -44 -0.6%
IC
196
IEQ Capital
California
$268K +$362K +6,821 New
CIP
197
Cornerstone Investment Partners
Georgia
$251K +$339K +6,391 New
Mirae Asset Global Investments
198
Mirae Asset Global Investments
South Korea
$250K -$103K -1,944 -23%
CPIG
199
Chicago Partners Investment Group
Illinois
$250K -$20.9K -393 -8%
I
200
InceptionR
California
$244K +$329K +6,203 New
6 7
8
9 10

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.