Ultra Clean

UCTTNasdaq United States Technology Semiconductors

Market cap

$3.950 B

$87.25 +4.94%

Close of 7 Aug 2026

Revenue

$2.10B

#1115 by revenue

Earnings

-$181.2M

Loss-making

Shares outstanding

45,277,029

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Semiconductors — ranked by market cap

All 100 →

#47Kulicke & Soffa IndustriesKLIC$4.78B
#48SynapticsSYNA$4.10B
#49Ultra CleanUCTT$3.95B
#50Osi SystemsOSIS$3.89B
#51Ipg PhotonicsIPGP$3.84B

Where these numbers come from

Share counts and financials for Ultra Clean are taken from its own SEC filings via EDGAR — public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 9 Aug 2026. Read the methodology.