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ACM Research
ACMR

258 hedge funds and large institutions have $1.63B invested in ACM Research in 2025 Q3 according to their latest regulatory filings, with 61 funds opening new positions, 82 increasing their positions, 78 reducing their positions, and 46 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more funds holding in top 10

Funds holding in top 10: 4 → 8 (+4)

69% more capital invested

Capital invested by funds: $969M → $1.63B (+$665M)

40% more call options, than puts

Call options by funds: $141M | Put options by funds: $101M

33% more first-time investments, than exits

New positions opened: 61 | Existing positions closed: 46

7.01% more ownership

Funds ownership: 63.58% → 70.6% (+7%)

6% more funds holding

Funds holding: 243 → 258 (+15)

5% more repeat investments, than reductions

Existing positions increased: 82 | Existing positions reduced: 78

Holders
258
Holders Change
+15
Holders Change %
+6.17%
% of All Funds
3.39%
Holding in Top 10
8
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+100%
% of All Funds
0.1%
New
61
Increased
82
Reduced
78
Closed
46
Calls
$141M
Puts
$101M
Net Calls
+$40.5M
Net Calls Change
+$54.3M

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$103M
2
LSV Asset Management
LSV Asset Management
Illinois
+$61.1M
3
State Street
State Street
Massachusetts
+$21.8M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$16.3M
5
CC
Cederberg Capital
United Kingdom
+$14.7M

Top Sellers

Rank Fund Capital Flow
1
Mitsubishi UFJ Trust & Banking
Mitsubishi UFJ Trust & Banking
Japan
-$28M
2
PP
Pertento Partners
United Kingdom
-$26.5M
3
Invesco
Invesco
Georgia
-$17.2M
4
N
Nuveen
North Carolina
-$16.4M
5
UBS AM
UBS AM
Illinois
-$13.9M
Name Holding Trade Value Shares
Change 		Change in
Stake
EGM
276
Engineers Gate Manager
New York
– -$638K -24,652 Closed
Hudson Bay Capital Management
277
Hudson Bay Capital Management
Connecticut
– -$636K -24,570 Closed
Universal-Beteiligungs- und Servicegesellschaft
278
Universal-Beteiligungs- und Servicegesellschaft
Germany
– -$612K -23,617 Closed
Truist Financial
279
Truist Financial
North Carolina
– -$575K -22,198 Closed
CCM
280
Connective Capital Management
California
– -$520K -20,089 Closed
AIP
281
Arrowpoint Investment Partners
Singapore
– -$479K -18,500 Closed
WG
282
Winton Group
United Kingdom
– -$402K -15,505 Closed
AA
283
ALPS Advisors
Colorado
– -$314K -12,130 Closed
Walleye Capital
284
Walleye Capital
New York
– -$304K -11,756 Closed
CFM
285
Catalyst Funds Management
Australia
– -$267K -10,300 Closed
ATPW
286
Ashton Thomas Private Wealth
Arizona
– -$263K -10,144 Closed
YIH
287
Y-Intercept (HK)
Hong Kong
– -$244K -9,422 Closed
Lazard Asset Management
288
Lazard Asset Management
New York
– -$135K -5,245 Closed
HT
289
Headlands Technologies
Illinois
– -$114K -4,395 Closed
PD
290
Point72 (DIFC)
United Arab Emirates
– -$26.1K -1,007 Closed
EAM
291
Erste Asset Management
Austria
– -$20.7K -800 Closed
WOC
292
West Oak Capital
California
– -$130 -500 Closed
NC
293
NewSquare Capital
Pennsylvania
– -$9.32K -360 Closed
MSFP
294
Mark Sheptoff Financial Planning
Connecticut
– -$7.77K -300 Closed
FDCDDQ
295
Federation des caisses Desjardins du Quebec
Quebec, Canada
– -$6.99K -270 Closed
HCA
296
Harbor Capital Advisors
Illinois
– -$7K -259 Closed
CIAM
297
Caitong International Asset Management
Hong Kong
– -$5.08K -196 Closed
GWM
298
Geneos Wealth Management
Colorado
– -$1.43K -55 Closed
BIG
299
Brooklyn Investment Group
New York
– -$959 -37 Closed
RAM
300
Riggs Asset Management
Pennsylvania
– -$933 -36 Closed
9 10 11
12
13

ACMR Hedge Fund Activity: Q3 2025 in Review

258 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in ACM Research (ACMR) for Q3 2025, worth a combined $1.63B — up 69% from $969M a quarter earlier.

Buyers outnumbered sellers: 61 funds opened new ACMR positions and 46 closed out — a net gain of 15 holders — while 82 added to existing stakes and 78 trimmed.

The largest buyer was BlackRock, adding an estimated $103M. The largest seller was Mitsubishi UFJ Trust & Banking, cutting an estimated $28M.

  • 258 institutional investors held ACM Research (ACMR) as of Q3 2025, up from 243 in Q2 2025.
  • Funds reported $1.63B of ACM Research stock for Q3 2025, up 69% quarter-over-quarter.
  • 61 funds opened new ACM Research positions in Q3 2025 and 46 closed out, a net change of +15 holders.
  • The largest ACM Research buyer in Q3 2025 was BlackRock, an estimated $103M added.
  • The largest ACM Research seller in Q3 2025 was Mitsubishi UFJ Trust & Banking, an estimated $28M sold.

Based on aggregated 13F filings for Q3 2025.