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.
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
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$103M |
| 2 |
LSV Asset Management
Chicago,
Illinois
|
+$61.1M |
| 3 |
State Street
Boston,
Massachusetts
|
+$21.8M |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
+$16.3M |
| 5 |
CC
Cederberg Capital
London,
United Kingdom
|
+$14.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Mitsubishi UFJ Trust & Banking
Tokyo,
Japan
|
-$28M |
| 2 |
PP
Pertento Partners
London,
United Kingdom
|
-$26.5M |
| 3 |
Invesco
Atlanta,
Georgia
|
-$17.2M |
| 4 |
N
Nuveen
Charlotte,
North Carolina
|
-$16.4M |
| 5 |
UBS AM
Chicago,
Illinois
|
-$13.9M |
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.