Robeco Institutional Asset Management B.V.
Position in PLAB — Photronics Inc
CIK 1418773
ROTTERDAM, P7
Position in PLAB
as of Mar 31, 2026
· filed Apr 21, 2026
Position Value
$2,981,288
+$620,456 QoQ
Shares Held
73,776
0.0% QoQ
Ownership
0.125%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2022
15 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 0.ToString("F0")%
None 100.ToString("F0")%
Common Shares in PLAB Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Mar 31, 2026Robeco Institutional Asset Management B.V. holds $1,136,169,919 across 8 Semiconductor Equipment & Materials names. PLAB ranks #7 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMAT |
Applied Materials Inc /De
|
1,757,378 | $600,654,226 | |
| 2 | LRCX |
Lam Research Corp
|
2,060,775 | $440,305,186 | |
| 3 | KLAC |
Kla Corp
|
303,514 | $44,689,704 | |
| 4 | TER |
Teradyne, Inc
|
121,314 | $35,964,748 | |
| 5 | Q |
Qnity Electronics, Inc.
|
66,076 | $7,623,848 | |
| 6 | ONTO |
Onto Innovation Inc.
|
16,007 | $3,282,555 | |
| 7 | PLAB |
Photronics Inc
This page
|
73,776 | $2,981,288 | |
| 8 | AMBA |
Ambarella Inc
|
12,983 | $668,364 |
All Filings in PLAB
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,981,288 | 73,776 | Shares | Defined | 2026-04-21 | |
| 2025-12-31 | $2,360,832 | 73,776 | Shares | Defined | 2026-01-23 | |
| 2025-09-30 | $1,693,159 | 73,776 | Shares | Defined | 2025-10-22 | |
| 2025-06-30 | $1,389,202 | 73,776 | Shares | Defined | 2025-07-18 | |
| 2025-03-31 | $1,531,589 | 73,776 | Shares | Defined | 2025-04-23 | |
| 2024-12-31 | $1,733,356 | 73,572 | Shares | Defined | 2025-01-23 | |
| 2024-09-30 | $1,821,642 | 73,572 | Shares | Defined | 2024-10-29 | |
| 2024-06-30 | $1,815,021 | 73,572 | Shares | Defined | 2024-07-23 | |
| 2023-09-30 | $73,584 | 3,641 | Shares | Defined | 2023-10-24 | |
| 2023-06-30 | $93,901 | 3,641 | Shares | Defined | 2023-07-24 | |
| 2023-03-31 | $227,908 | 13,746 | Shares | Defined | 2023-05-04 | |
| 2022-12-31 | $231,345 | 13,746 | Shares | Defined | 2023-02-07 | |
| 2022-09-30 | $258,218 | 17,662 | Shares | Defined | 2022-12-01 | |
| 2022-06-30 | $326,114 | 16,741 | Shares | Defined | 2022-12-01 | |
| 2022-03-31 | $365,941 | 21,564 | Shares | Defined | 2022-12-01 | |
| No filing history on record for this holder in this stock. | ||||||