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.
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
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SAM
Southeastern Asset Management
Memphis,
Tennessee
|
+$26.7M |
| 2 |
Mitsubishi UFJ Trust & Banking
Tokyo,
Japan
|
+$14.6M |
| 3 |
Nuveen
Charlotte,
North Carolina
|
+$13M |
| 4 |
Millennium Management
New York
|
+$10.8M |
| 5 |
LSV Asset Management
Chicago,
Illinois
|
+$10M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PHK
Point72 Hong Kong
Hong Kong
|
-$17.8M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
-$15.3M |
| 3 |
Invesco
Atlanta,
Georgia
|
-$11.5M |
| 4 |
JP Morgan Chase
New York
|
-$8.97M |
| 5 |
Amundi
Paris,
France
|
-$7.55M |
ACMR Hedge Fund Activity: Q2 2025 in Review
243 of the 7,613 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.