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Grantham, Mayo, Van Otterloo & Co. LLC

Position in PLAB — Photronics Inc

CIK 1352662 Boston, MA

Position in PLAB

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$1,619,375
+$379,960 QoQ
Shares Held
49,781
+62.3% QoQ
Ownership
0.084%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#100
of 312 holders
Holding Since
Mar 2020
13 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, 2026

Grantham, Mayo, Van Otterloo & Co. LLC holds $3,977,292,452 across 11 Semiconductor Equipment & Materials names. PLAB ranks #10 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PLAB

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13 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,619,375 49,781
2026-03-31 $1,239,415 30,671
2025-12-31 $487,136 15,223
2025-09-30 $222,500 9,695
2024-09-30 $236,482 9,551
2024-06-30 $235,623 9,551
2024-03-31 $246,015 8,687
2022-09-30 $233,920 16,000
2022-06-30 $726,604 37,300
2020-12-31 $592,596 53,100
2020-09-30 $1,507,944 151,400
2020-06-30 $1,924,377 172,900
2020-03-31 $291,384 28,400