Position in PLAB
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$1,819,402
-$1,702,935 QoQ
Shares Held
55,930
-35.8% QoQ
Ownership
0.095%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#95
of 312 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority
Sole 22%
Shared 0%
None 78%
Common Shares in PLAB Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026MARTINGALE ASSET MANAGEMENT L P holds $46,364,524 across 8 Semiconductor Equipment & Materials names. PLAB ranks #3 (3.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
28,918 | $20,907,714 | |
| 2 | LRCX |
Lam Research Corp
|
41,095 | $17,807,696 | |
| 3 | PLAB |
Photronics Inc
This page
|
55,930 | $1,819,402 | |
| 4 | KLIC |
Kulicke & Soffa Industries Inc
|
13,387 | $1,790,645 | |
| 5 | UCTT |
Ultra Clean Holdings, Inc.
|
11,729 | $1,672,438 | |
| 6 | ACLS |
Axcelis Technologies Inc
|
5,813 | $1,101,272 | |
| 7 | ICHR |
Ichor Holdings, Ltd.
|
6,672 | $749,132 | |
| 8 | KLAC |
Kla Corp
|
1,711 | $516,225 |
All Filings in PLAB
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,819,402 | 55,930 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $3,522,337 | 87,165 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $3,560,352 | 111,261 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $2,268,768 | 98,857 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $1,867,614 | 99,183 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $2,016,584 | 97,138 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $2,253,631 | 95,655 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $2,365,768 | 95,548 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $2,270,922 | 92,052 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $2,547,185 | 89,943 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $3,426,889 | 109,241 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $2,137,631 | 105,771 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $2,583,074 | 100,158 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $1,375,543 | 82,964 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $898,065 | 53,361 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $659,844 | 45,133 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,729,005 | 88,758 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $933,723 | 55,022 | Shares | Sole | 2022-05-12 | |
| 2021-12-31 | $1,666,999 | 88,435 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $1,475,951 | 108,287 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $801,371 | 60,664 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $440,635 | 34,264 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $389,082 | 34,864 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $1,499,707 | 150,573 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $1,243,688 | 111,742 | Shares | Sole | 2020-08-10 | |
| No filing history on record for this holder in this stock. | ||||||