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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
A
326
AlphaQuest
New York
– -$380K -9,627 Closed
LCM
327
Landscape Capital Management
New Jersey
– -$363K -9,191 Closed
Aberdeen Group
328
Aberdeen Group
United Kingdom
– -$331K -8,386 Closed
VC
329
VarCov Co
Connecticut
– -$306K -7,758 Closed
OAM
330
OP Asset Management
– -$292K -7,390 Closed
Cambridge Investment Research Advisors
331
Cambridge Investment Research Advisors
Iowa
– -$283K -7,176 Closed
HIP
332
HUB Investment Partners
Texas
– -$254K -6,439 Closed
IA
333
IFG Advisory
Georgia
– -$247K -6,250 Closed
PP
334
PDT Partners
New York
– -$246K -6,241 Closed
Man Group
335
Man Group
United Kingdom
– -$209K -5,307 Closed
PCM
336
Penserra Capital Management
California
– -$108K -2,748 Closed
EAM
337
Erste Asset Management
Austria
– -$88.8K -2,250 Closed
LSA
338
Leonteq Securities AG
Switzerland
– -$27.6K -700 Closed
TM
339
Torren Management
California
– -$16.7K -424 Closed
EPG
340
Estate Planners Group
Pennsylvania
– -$16.6K -421 Closed
CRI
341
Commonwealth Retirement Investments
Virginia
– -$9.86K -250 Closed
National Bank of Canada
342
National Bank of Canada
Quebec, Canada
– -$7.46K -189 Closed
SA
343
Strategic Advocates
Utah
– -$1.41K -35 Closed
C
344
Covestor
United Kingdom
– -$53 -1 -25%
10 11 12 13
14

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.