Quick verdict: ATEN vs UCTT in 2026

A10 Networks, Inc. (ATEN) exhibits a strong edge in terms of current growth and profitability, while Ultra Clean Holdings, Inc. (UCTT) shows a more favorable analyst consensus target price upside. ATEN stands out as the growth and margin leader, boasting positive revenue growth and robust net and EBITDA margins. UCTT, despite current unprofitability, is the analyst favorite with a higher percentage of buy ratings and significant implied upside to its price target. Not investment advice.

ATEN vs UCTT: key metrics side by side

Full side-by-side comparison of ATEN and UCTT across valuation, profitability, growth and analyst sentiment. Data updated 2026-05-11.

ATEN vs UCTT valuation comparison

When considering the ATEN vs UCTT valuation, A10 Networks (ATEN) appears to be trading at a premium compared to Ultra Clean Holdings (UCTT), particularly when examining the P/E ratio. ATEN commands a P/E ratio of 44.65x, reflecting investor confidence in its profitability and growth prospects. In contrast, UCTT reports a negative P/E ratio of -20.33x, which signifies that the company is currently unprofitable over the trailing twelve months. This negative P/E complicates direct comparison but clearly indicates UCTT’s current financial struggles. From a price-to-book perspective, ATEN’s P/B ratio stands at 9.02x, notably higher than UCTT’s P/B of 6.28x, suggesting UCTT might be relatively cheaper based on its book value, despite its lack of profitability.

However, a deeper look into the intrinsic value through discounted cash flow (DCF) models reveals significant downside for both stocks. ATEN’s DCF valuation suggests a potential downside of -47.1%, with a fair value estimated at $14.7 against its current price of $27.8. UCTT presents an even more alarming picture, with its DCF indicating a massive -98.4% downside, valuing the stock at a mere $1.37 compared to its $87.1 price. This wide disparity between market price and DCF estimates for both companies, especially UCTT, suggests that current market valuations might be overly optimistic or reflect expectations of significant future turnarounds not captured by standard DCF models. Overall, while UCTT has a lower P/B, its negative profitability and extreme DCF downside make a “cheaper” label complex without considering its underlying financial health, especially in an aten vs uctt fundamentals and valuation context.

ATEN vs UCTT growth comparison

In the ATEN vs UCTT growth comparison, A10 Networks (ATEN) clearly demonstrates stronger momentum with a positive year-over-year revenue growth of +11.0%. This indicates that ATEN is effectively expanding its sales and market presence in its sector. The company’s revenue stands at $290,557,000, supported by robust profitability metrics that suggest efficient operations alongside this growth. Such consistent top-line expansion makes ATEN an attractive option for growth-oriented investors looking at a aten vs uctt stock comparison 2026.

Conversely, Ultra Clean Holdings (UCTT) has experienced a decline in revenue, posting a year-over-year growth rate of -2.1%. With a larger revenue base of $2.05 billion, this negative growth signals challenges in its core business or market conditions affecting its operations. Coupled with its negative net margin and EBITDA margin, UCTT’s current financial performance suggests a period of contraction rather than growth. Investors evaluating the growth potential in 2026 might find ATEN’s positive trajectory more appealing, as UCTT would need to demonstrate a significant turnaround to reverse its current negative growth trend.

ATEN vs UCTT profitability

When examining the ATEN vs UCTT profitability, A10 Networks (ATEN) stands out as a significantly more profitable enterprise. ATEN boasts a healthy net margin of 14.9%, indicating that a substantial portion of its revenue translates into profit. Furthermore, its EBITDA margin is robust at 24.13%, showcasing strong operational efficiency before accounting for depreciation, amortization, interest, and taxes. ATEN also generates positive free cash flow, with a FCF yield of 2.57%, which is crucial for funding operations, growth initiatives, or returning capital to shareholders. Unfortunately, the Return on Equity (ROE) for both companies is listed as N/A%, preventing a direct comparison on that specific metric.

In stark contrast, Ultra Clean Holdings (UCTT) is currently operating at a loss, reflected in its negative net margin of -9.38%. This suggests that UCTT’s expenses exceed its revenues. The company also reports a negative EBITDA margin of -1.68% and a negative FCF yield of -1.13%, indicating that it is not generating enough cash from its operations to cover its expenditures. This lack of profitability and cash generation poses significant financial risks and challenges for UCTT. Therefore, for investors prioritizing strong earnings and cash flow generation, ATEN clearly outperforms UCTT in terms of profitability.

Analyst ratings: ATEN vs UCTT

The analyst sentiment for A10 Networks (ATEN) and Ultra Clean Holdings (UCTT) presents an interesting dichotomy despite both companies carrying a ‘Buy’ consensus. For ATEN, out of 20 analysts, 55.0% currently recommend a “Buy” rating. However, the average analyst price target for ATEN is $20.33, which represents a -26.9% downside from its current price of $27.8. This suggests that while a majority of analysts rate ATEN as a ‘Buy,’ they believe its current market price has surpassed its fair value in the near term, implying a potential correction or limited immediate upside for investors at this price point.

On the other hand, Ultra Clean Holdings (UCTT) appears to be more favored by analysts in terms of potential upside. Out of 12 analysts covering UCTT, a higher percentage, 66.7%, recommend a “Buy” rating. More importantly, the consensus price target for UCTT is $100, which suggests a significant +14.8% upside from its current price of $87.1. This indicates that despite UCTT’s current unprofitability, analysts might be anticipating a strong turnaround or see the current stock price as an attractive entry point for future gains. Therefore, when considering which stock offers more immediate analyst-projected upside in an ATEN vs UCTT stock comparison 2026, UCTT holds the edge.

Should I buy ATEN or UCTT stock in 2026?

Deciding whether to buy ATEN or UCTT stock in 2026 depends heavily on an investor’s risk tolerance and investment objectives. For growth-oriented investors, A10 Networks (ATEN) appears to be the more compelling option. It boasts a solid 11.0% year-over-year revenue growth and impressive profitability metrics, including a 14.9% net margin and a 24.13% EBITDA margin. These fundamentals suggest a company with strong operational health and a capacity to expand. Its free cash flow yield of 2.57% further reinforces its ability to generate cash. However, investors should be mindful of its higher P/E of 44.65x and the significant negative DCF valuation, which suggests it might be overvalued based on current intrinsic value models.

For value investors, the choice is more nuanced. Ultra Clean Holdings (UCTT) presents a lower P/B ratio of 6.28x compared to ATEN’s 9.02x, which might initially signal a better value proposition. Additionally, UCTT has a higher analyst buy rating percentage (66.7%) and a positive price target upside of +14.8%. However, this must be weighed against its current unprofitability, indicated by a negative P/E ratio, net margin of -9.38%, negative EBITDA margin, and negative FCF yield. Its extremely negative DCF valuation of -98.4% also presents a substantial risk, implying severe overvaluation by traditional intrinsic metrics. Should I buy ATEN or UCTT stock 2026 for value requires a deep dive into UCTT’s turnaround potential.

Regarding income, neither ATEN nor UCTT are significant dividend payers. ATEN offers a minuscule dividend yield of 0.01%, while UCTT offers 0%. Therefore, for investors seeking income through dividends, neither stock is a suitable choice. Ultimately, ATEN offers a more stable and growing business profile with strong fundamentals, albeit at a higher valuation. UCTT presents a higher-risk, higher-reward scenario, heavily reliant on a successful turnaround from its current unprofitable state and analyst projections. This is not investment advice; always conduct your own thorough research.

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FAQ: ATEN vs UCTT