Position in ACMR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$464,036
-$478,840 QoQ
Shares Held
3,657
-84.8% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#240
of 374 holders
Holding Since
Sep 2021
12 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ACMR Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026DARK FOREST CAPITAL MANAGEMENT LP holds $14,535,809 across 8 Semiconductor Equipment & Materials names. ACMR ranks #7 (3.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
8,931 | $6,457,113 | |
| 2 | LRCX |
Lam Research Corp
|
5,360 | $2,322,648 | |
| 3 | ONTO |
Onto Innovation Inc.
|
5,498 | $2,080,718 | |
| 4 | AMKR |
Amkor Technology, Inc.
|
15,812 | $1,363,468 | |
| 5 | TER |
Teradyne, Inc
|
1,835 | $887,846 | |
| 6 | ICHR |
Ichor Holdings, Ltd.
|
4,605 | $517,049 | |
| 7 | ACMR |
ACM Research, Inc.
This page
|
3,657 | $464,036 | |
| 8 | AXTI |
Axt Inc
|
6,145 | $442,931 |
All Filings in ACMR
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12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $464,036 | 3,657 | Shares | Sole | 2026-08-14 | |
| 2025-09-30 | $942,876 | 24,096 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $388,551 | 15,002 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $1,880,760 | 80,581 | Shares | Sole | 2025-05-15 | |
| 2024-06-30 | $1,484,303 | 64,367 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $2,417,046 | 82,946 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $2,094,258 | 107,178 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $1,855,563 | 102,489 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $188,548 | 14,415 | Shares | Sole | 2023-08-14 | |
| 2022-12-31 | $4,448 | 577 | Shares | Sole | 2023-02-13 | |
| 2021-12-31 | $6,565 | 77 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $17,380 | 158 | Shares | Sole | 2021-11-16 | |
| No filing history on record for this holder in this stock. | ||||||