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 45 closing their positions.
141% more call options, than puts
Call options by funds: $113M | Put options by funds: $47M
64% more first-time investments, than exits
New positions opened: 74 | Existing positions closed: 45
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)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
WCM Investment Management
Laguna Beach,
California
|
+$98.2M |
| 2 |
VARA
Value Aligned Research Advisors
Princeton,
New Jersey
|
+$50.7M |
| 3 |
PCP
Polunin Capital Partners
London,
United Kingdom
|
+$40.5M |
| 4 |
LP
Longaeva Partners
Chicago,
Illinois
|
+$37.6M |
| 5 |
OCMH
Oxbow Capital Management (HK)
Hong Kong
|
+$31.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LSV Asset Management
Chicago,
Illinois
|
-$97.4M |
| 2 |
TC
Triata Capital
Hong Kong
|
-$76.1M |
| 3 |
SAM
Southeastern Asset Management
Memphis,
Tennessee
|
-$47.6M |
| 4 |
Invesco
Atlanta,
Georgia
|
-$29.5M |
| 5 |
BBCM
Broad Bay Capital Management
New York
|
-$25.7M |
ACMR Hedge Fund Activity: Q1 2026 in Review
300 of the 8,172 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 45 closed out — a net gain of 29 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 45 closed out, a net change of +29 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.