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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
AAM
226
Advisors Asset Management
Colorado
$73.3K +$69.8K +1,315 +240%
Jones Financial Companies
227
Jones Financial Companies
Missouri
$68.6K +$49.4K +930 +119%
SCM
228
Sterling Capital Management
North Carolina
$67K -$65K -1,224 -42%
KBC Group
229
KBC Group
Belgium
$67K -$30.6K -577 -25%
PNC Financial Services Group
230
PNC Financial Services Group
Pennsylvania
$53.6K -$902 -17 -1%
GI
231
GAMMA Investing
California
$49.5K +$9.98K +188 +18%
HFS
232
Hantz Financial Services
Michigan
$48K +$30.3K +571 +87%
NA
233
NewEdge Advisors
Louisiana
$42.8K +$45.7K +861 +381%
EWA
234
EverSource Wealth Advisors
Alabama
$40.1K +$3.93K +74 +8%
NRG
235
Nemes Rush Group
Michigan
$39.4K – – –
JEST
236
JTC Employer Solutions Trustee
Jersey
$39K – – –
SS
237
SBI Securities
Japan
$36.6K +$5.47K +103 +12%
BNP Paribas Asset Management
238
BNP Paribas Asset Management
France
$35.9K -$24.9K -470 -34%
Walleye Capital
239
Walleye Capital
New York
$34.3K -$284K -5,354 -86%
BONH
240
Bank of New Hampshire
New Hampshire
$28.2K +$38K +716 New
QCG
241
Quadrant Capital Group
Ohio
$22.4K +$23.3K +439 +338%
FFA
242
Farther Finance Advisors
California
$22K -$5.68K -107 -16%
IA
243
IFP Advisors
Florida
$18.3K +$7.96K +150 +48%
PWPS
244
Pinnacle Wealth Planning Services
Ohio
$17.7K +$2.44K +46 +11%
KAS
245
Kemnay Advisory Services
New York
$16.6K +$22.5K +423 New
HI
246
Harbour Investments
Wisconsin
$15.8K +$21.3K +401 New
NS
247
NBC Securities
Alabama
$15.7K +$21.2K +400 New
HNB
248
Huntington National Bank
Ohio
$11.8K – – –
SL
249
Salomon & Ludwin
Virginia
$11.2K -$1.49K -28 -9%
FDCDDQ
250
Federation des caisses Desjardins du Quebec
Quebec, Canada
$11.2K +$15.1K +285 New
8 9
10
11 12

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.