Quality Investor

PLAB

Rank #403

Rank #403 by gross profitability (GP/assets 0.16) · ROE 11.0% · Piotroski F-Score N/A.

As-of 2026-07-22 · CIK 0000810136 · all metrics point-in-time as of the filing date.

Each fiscal year is read as-of that year’s own 10-K filing, so nothing restated after the fact leaks backwards. Line items this filer never tagged are omitted. Hover or tap a badge for the diagnostic behind it.

USD in millions, except per-share (EPS) and percentage rows. Values are as originally filed; em-dash = not tagged in that year's filing.
Fiscal year end2022-10-31filed 2022-12-232018-10-31filed 2018-12-212017-10-29filed 2018-12-212016-10-30filed 2018-12-21
Revenue824.5535.3450.7483.5
Revenue growth (YoY)83.0%18.8%18.8%18.8%
Cost of revenue530.3403.8359.4364.8
Gross profit294.2131.5131.5131.5
Gross margin35.7%24.6%24.6%24.6%
Selling, general & administrative64.051.443.644.6
Research & development18.314.515.921.7
Operating income211.965.631.952.5
Operating margin25.7%12.3%12.3%12.3%
Pre-tax income239.068.626.660.5
Income tax expense59.87.35.34.8
Net income118.842.113.146.2
Net margin14.4%7.9%7.9%7.9%
EPS (basic)$1.96$0.61$0.19$0.68
EPS (diluted)$1.94$0.59$0.19$0.64

Figures are as originally filed with the SEC (point-in-time), not restated, so they can differ slightly from sites that show later-restated numbers. Why point-in-time?