TORVANTA
Compare · data as of 2026-10-12

PDFS vs UCTT: PDF Solutions, Inc. vs Ultra Clean Holdings, Inc.

PDF Solutions, Inc. (PDFS) and Ultra Clean Holdings, Inc. (UCTT) on Torvanta's measures: PDFS grades higher on 3 of the 4 factor families and UCTT on 1.

PDFSUCTT
Value gradeDD+
Growth gradeAD-
Profitability gradeC-D
Momentum gradeB-C-
Market value$2.2B$2.9B
P/E (trailing)210.8xn/a
Forward P/E (Torvanta model estimate)152.7xn/a
Revenue, last 12 months$241.2M$2.2B
Revenue growth (y/y)+23%+3%
Operating margin8.2%2.8%
Return on invested capital3.9%4.1%
Free-cash-flow yield-0.1%-3.9%
Total return, 1 year+109.9%+148.8%
Total return, 3 yearsn/an/a

Full PDFS analysis · Full UCTT analysis

Frequently asked questions

Which is better, PDFS or UCTT?

PDF Solutions, Inc. (PDFS) and Ultra Clean Holdings, Inc. (UCTT) on Torvanta's measures: PDFS grades higher on 3 of the 4 factor families and UCTT on 1. Which fits an investor depends on their goals; this is research, not a recommendation. Subscribers see where the model ranks each and its expected return.

Which is cheaper, PDFS or UCTT?

On trailing earnings PDFS trades at 210.8x and UCTT at n/a; their value grades are D and D+ against their sectors.

See the model's view

Subscribers get the model's rank and expected return for every covered company, the reasoning behind each, and the Torvanta model portfolio's trades each trading day, sized and explained, at three risk levels.

See plans Or get the free weekly newsletter

Torvanta is research only - not investment advice and not a recommendation to buy or sell any security. Grades describe a company's reported data against its sector; they are not the model's view, change as data changes and can be wrong. Financial figures come from the company's SEC filings; returns include reinvested dividends. Past performance does not predict future results.

All stock ratings · Stock lists · AI stock research · Model portfolio · Research · Disclaimer