CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in PLAB — Photronics Inc
CIK 884546
SAN FRANCISCO, CA
Position in PLAB
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$31,643,167
-$8,964,801 QoQ
Shares Held
972,738
-3.2% QoQ
Ownership
1.65%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#14
of 312 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PLAB Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Jun 30, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $12,324,123,598 across 27 Semiconductor Equipment & Materials names. PLAB ranks #20 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
4,969,702 | $3,593,094,546 | |
| 2 | LRCX |
Lam Research Corp
|
7,698,872 | $3,336,152,203 | |
| 3 | KLAC |
Kla Corp
|
10,416,170 | $3,142,662,650 | |
| 4 | TER |
Teradyne, Inc
|
1,014,857 | $491,028,410 | |
| 5 | Q |
Qnity Electronics, Inc.
|
1,505,919 | $245,931,631 | |
| 6 | ENTG |
Entegris Inc
|
1,221,521 | $219,702,766 | |
| 7 | ONTO |
Onto Innovation Inc.
|
509,528 | $192,830,871 | |
| 8 | ASML |
Asml Holding NV
|
88,615 | $176,294,215 |
All Filings in PLAB
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $31,643,167 | 972,738 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $40,607,968 | 1,004,899 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $32,760,512 | 1,023,766 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $22,724,929 | 990,193 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $18,840,544 | 1,000,560 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $21,024,565 | 1,012,744 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $23,738,631 | 1,007,582 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $23,942,994 | 967,003 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $23,042,421 | 934,026 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $25,653,162 | 905,832 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $27,789,522 | 885,863 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $17,293,697 | 855,700 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $21,284,564 | 825,303 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $13,833,655 | 834,358 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $12,700,086 | 754,610 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $11,180,878 | 764,766 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $15,283,501 | 784,574 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $12,922,655 | 761,500 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $14,040,893 | 744,875 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $10,015,228 | 734,793 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $9,422,626 | 713,295 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $8,614,502 | 669,868 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $7,371,023 | 660,486 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $6,508,929 | 653,507 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $7,594,744 | 682,367 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $8,037,314 | 783,364 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||