Position in ACMR
as of Jun 30, 2026
· filed Aug 7, 2026
Position Value
$1,782,677
+$1,531,192 QoQ
Shares Held
14,049
+119.8% QoQ
Ownership
0.020%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#156
of 374 holders
Holding Since
Mar 2023
13 quarters on record
Voting authority
Sole 92%
Shared 0%
None 8%
Common Shares in ACMR Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026Cornerstone Investment Partners, LLC holds $347,657,313 across 10 Semiconductor Equipment & Materials names. ACMR ranks #3 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | KLAC |
Kla Corp
|
607,345 | $183,242,059 | |
| 2 | AMAT |
Applied Materials Inc /De
|
218,915 | $158,275,545 | |
| 3 | ACMR |
ACM Research, Inc.
This page
|
14,049 | $1,782,677 | |
| 4 | ONTO |
Onto Innovation Inc.
|
4,099 | $1,551,266 | |
| 5 | UCTT |
Ultra Clean Holdings, Inc.
|
4,224 | $602,300 | |
| 6 | ICHR |
Ichor Holdings, Ltd.
|
5,294 | $594,410 | |
| 7 | KLIC |
Kulicke & Soffa Industries Inc
|
3,958 | $529,422 | |
| 8 | ACLS |
Axcelis Technologies Inc
|
2,485 | $470,783 |
All Filings in ACMR
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13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,782,677 | 14,049 | Shares | Sole | 2026-08-07 | |
| 2026-03-31 | $251,485 | 6,391 | Shares | Sole | 2026-05-08 | |
| 2025-09-30 | $397,952 | 10,170 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $282,983 | 10,926 | Shares | Sole | 2025-08-06 | |
| 2025-03-31 | $254,919 | 10,922 | Shares | Sole | 2025-04-30 | |
| 2024-12-31 | $179,357 | 11,878 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $241,590 | 11,901 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $265,259 | 11,503 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $362,589 | 12,443 | Shares | Sole | 2024-04-29 | |
| 2023-12-31 | $246,145 | 12,597 | Shares | Sole | 2024-01-31 | |
| 2023-09-30 | $228,068 | 12,597 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $176,658 | 13,506 | Shares | Sole | 2023-08-04 | |
| 2023-03-31 | $158,020 | 13,506 | Shares | Sole | 2023-04-21 | |
| No filing history on record for this holder in this stock. | ||||||