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ACM Research
ACMR

243 hedge funds and large institutions have $969M invested in ACM Research in 2025 Q2 according to their latest regulatory filings, with 55 funds opening new positions, 85 increasing their positions, 68 reducing their positions, and 52 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more funds holding in top 10

Funds holding in top 10: 2 → 4 (+2)

25% more repeat investments, than reductions

Existing positions increased: 85 | Existing positions reduced: 68

16% more capital invested

Capital invested by funds: $838M → $969M (+$131M)

1.84% more ownership

Funds ownership: 61.74% → 63.58% (+1.8%)

6% more first-time investments, than exits

New positions opened: 55 | Existing positions closed: 52

0% less funds holding

Funds holding: 244 → 243 (-1)

22% less call options, than puts

Call options by funds: $49.5M | Put options by funds: $63.2M

Holders
243
Holders Change
-1
Holders Change %
-0.41%
% of All Funds
3.2%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
55
Increased
85
Reduced
68
Closed
52
Calls
$49.5M
Puts
$63.2M
Net Calls
-$13.8M
Net Calls Change
-$23.8M

Top Buyers

Rank Fund Capital Flow
1
SAM
Southeastern Asset Management
Tennessee
+$26.7M
2
Mitsubishi UFJ Trust & Banking
Mitsubishi UFJ Trust & Banking
Japan
+$14.6M
3
N
Nuveen
North Carolina
+$13M
4
Millennium Management
Millennium Management
New York
+$10.8M
5
LSV Asset Management
LSV Asset Management
Illinois
+$10M

Top Sellers

Rank Fund Capital Flow
1
PHK
Point72 Hong Kong
Hong Kong
-$17.8M
2
Point72 Asset Management
Point72 Asset Management
Connecticut
-$15.3M
3
Invesco
Invesco
Georgia
-$11.5M
4
JP Morgan Chase
JP Morgan Chase
New York
-$8.97M
5
Amundi
Amundi
France
-$7.55M
Name Holding Trade Value Shares
Change 		Change in
Stake
Voloridge Investment Management
251
Voloridge Investment Management
Florida
– -$2.21M -94,496 Closed
EI
252
EAM Investors
California
– -$2.01M -85,967 Closed
PCM
253
Penserra Capital Management
California
– -$1.91M -81,890 Closed
CSS
254
Cubist Systematic Strategies
Connecticut
– -$1.61M -71,702 Closed
HSA
255
Hussman Strategic Advisors
Maryland
– -$1.47M -63,000 Closed
BC
256
Bayforest Capital
United Kingdom
– -$1.23M -52,804 Closed
XT
257
XTX Topco
Cayman Islands
– -$1.14M -48,878 Closed
HM
258
HCEP Management
Hong Kong
– -$1.02M -43,650 Closed
DKCM
259
Davidson Kempner Capital Management
New York
– -$989K -42,353 Closed
EFM
260
E Fund Management
China
– -$812K -34,800 Closed
BPC
261
Bryce Point Capital
New York
– -$907K -32,616 Closed
DM
262
Diker Management
New York
– -$744K -31,897 Closed
Baird Financial Group
263
Baird Financial Group
Wisconsin
– -$723K -30,958 Closed
VF
264
Virtu Financial
New York
– -$707K -30,276 Closed
BCM
265
Bayesian Capital Management
New York
– -$661K -28,327 Closed
II
266
Inspire Investing
Idaho
– -$655K -28,080 Closed
CF
267
Corebridge Financial
Texas
– -$589K -25,228 Closed
SSA
268
Schonfeld Strategic Advisors
New York
– -$565K -24,204 Closed
MCP
269
Militia Capital Partners
Nevada
– -$506K -21,689 Closed
TSS
270
Two Sigma Securities
New York
– -$432K -18,507 Closed
VI
271
Versor Investments
New York
– -$329K -14,100 Closed
FRM
272
Fox Run Management
Connecticut
– -$322K -13,811 Closed
SG Americas Securities
273
SG Americas Securities
New York
– -$314K -13,433 Closed
PMAM
274
Picton Mahoney Asset Management
Ontario, Canada
– -$288K -12,334 Closed
SPA
275
Sherbrooke Park Advisers
New York
– -$282K -12,061 Closed
8 9 10
11
12

ACMR Hedge Fund Activity: Q2 2025 in Review

243 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in ACM Research (ACMR) for Q2 2025, worth a combined $969M — up 16% from $838M a quarter earlier.

Buyers outnumbered sellers: 55 funds opened new ACMR positions and 52 closed out — a net gain of 3 holders — while 85 added to existing stakes and 68 trimmed.

The largest buyer was Southeastern Asset Management, opening a new position worth an estimated $26.7M. The largest seller was Point72 Hong Kong, exiting entirely with an estimated $17.8M sold.

  • 243 institutional investors held ACM Research (ACMR) as of Q2 2025, down from 244 in Q1 2025.
  • Funds reported $969M of ACM Research stock for Q2 2025, up 16% quarter-over-quarter.
  • 55 funds opened new ACM Research positions in Q2 2025 and 52 closed out, a net change of +3 holders.
  • The largest ACM Research buyer in Q2 2025 was Southeastern Asset Management, an estimated $26.7M added.
  • The largest ACM Research seller in Q2 2025 was Point72 Hong Kong, an estimated $17.8M sold.

Based on aggregated 13F filings for Q2 2025.