Position in ACMR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$628,359
-$1,507,266 QoQ
Shares Held
4,952
-90.9% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.25%
of 13F equity value
Holder Rank
#216
of 374 holders
Holding Since
Dec 2025
2 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, 2026Massar Capital Management, LP holds $18,851,479 across 13 Semiconductor Equipment & Materials names. ACMR ranks #8 (3.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ONTO |
Onto Innovation Inc.
|
16,358 | $6,190,685 | |
| 2 | KLIC |
Kulicke & Soffa Industries Inc
|
20,155 | $2,695,932 | |
| 3 | UCTT |
Ultra Clean Holdings, Inc.
|
17,298 | $2,466,521 | |
| 4 | ICHR |
Ichor Holdings, Ltd.
|
12,492 | $1,402,601 | |
| 5 | COHU |
Cohu Inc
|
17,885 | $1,321,880 | |
| 6 | VECO |
Veeco Instruments Inc
|
16,842 | $1,276,623 | |
| 7 | ACLS |
Axcelis Technologies Inc
|
5,222 | $989,307 | |
| 8 | ACMR |
ACM Research, Inc.
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|
4,952 | $628,359 |
All Filings in ACMR
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $628,359 | 4,952 | Shares | Sole | 2026-08-14 | |
| 2025-12-31 | $2,135,625 | 54,135 | Shares | Sole | 2026-02-17 | |
| No filing history on record for this holder in this stock. | ||||||