The Filing Desk

Onto Innovation vs SolarEdge

Onto Innovation ONTO · SolarEdge SEDG · Semiconductor Materials & Equipment

SolarEdge reported revenue of $1.2 billion in fiscal 2025, 1.2 times Onto Innovation's $1.0 billion in fiscal 2025. Onto Innovation's revenue grew 1.8% in its latest year, and SolarEdge's grew 31.4%. Onto Innovation had an operating margin of 13.2%, against -25.5% at SolarEdge. Free cash flow was $300 million at Onto Innovation and $81 million at SolarEdge. Their fiscal years end in different months (January 3 and December 31), so the periods don't line up exactly.

Side by side

Onto InnovationSolarEdge
Latest fiscal yearFY2025, Jan 3, 2026FY2025, Dec 31, 2025
Revenue$1.0B$1.2B
Revenue growth1.8%31.4%
Revenue growth a year, last 5 years12.6%−4.1%
Gross margin49.7%16.6%
Operating margin13.2%−25.5%
Net margin13.6%−34.2%
Free cash flow$300M$81M
Free cash flow margin29.8%6.8%
Return on capital8.8%−45.1%
Net debt to EBITDA−3.3x—
Dividends and buybacks$75M$0M
Change in diluted share count−0.8%3.3%
Last close$173.28$27.51
P/E at the last close65.1×—
Insider trades, last 12 monthssold $302,300sold $99,473
Piotroski F-score4 of 97 of 9
Amounts in each company's own currency, US$ unless marked (a foreign company may report in another), each company's latest fiscal year from its 10-K, or 20-F or 40-F for a foreign company. Growth rates compare with the year before; the five-year rate is the average a year. Free cash flow is cash from operations minus capital spending; return on capital is after-tax operating income over the money invested in the business; P/E is the last close over the latest earnings per share. Banks are measured differently (return on equity, efficiency ratio), so some rows apply to one company only.

Ten years

Revenue
US$ billions, fiscal years
Onto InnovationSolarEdge
Operating margin
Percent of revenue
Onto InnovationSolarEdge
Free cash flow
US$ billions. Cash from operations minus capital expenditure.
Onto InnovationSolarEdge

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Source: the companies' Form 10-K filings, from SEC EDGAR, and the last close. For information only, not investment advice: the figures describe results, not which company is the better investment. The Filing Desk is not affiliated with either company. Full figures on the Onto Innovation and SolarEdge pages.