BRIA vs ACMR vs ICHR vs ONTO

For growth investors, Brillia Inc (BRIA) is the stronger pick with 15.

3% revenue growth year-over-year, versus 1. 8% for Onto Innovation Inc. (ONTO). ACM Research, Inc. (ACMR) offers the better valuation at 43. 2x trailing P/E (29. 7x forward), making it the more compelling value choice. Analysts rate ACM Research, Inc. (ACMR) a "Buy" — based on 10 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, ACM Research, Inc.

(ACMR) is the cheapest at 43. 2x versus Onto Innovation Inc. at 98. 6x. On forward P/E, ACM Research, Inc. is actually cheaper at 29. 7x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: ACM Research, Inc. wins at 0. 84x versus Onto Innovation Inc. 's 1. 12x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Onto Innovation Inc.

(ONTO) delivered a total return of +312. 6%, compared to -50. 9% for Brillia Inc (BRIA). Over 10 years, the gap is even starker: ACMR returned +30. 7% versus BRIA's -50. 9%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Brillia Inc (BRIA) is the lower-risk stock at 0.

64β versus Ichor Holdings, Ltd. 's 3. 93β — meaning ICHR is approximately 509% more volatile than BRIA relative to the S&P 500. On balance sheet safety, Onto Innovation Inc. (ONTO) carries a lower debt/equity ratio of 1% versus 28% for Ichor Holdings, Ltd. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Brillia Inc (BRIA) is pulling ahead at 15.

3% versus 1. 8% for Onto Innovation Inc. (ONTO). On earnings-per-share growth, the picture is similar: ACM Research, Inc. grew EPS -10. 5% year-over-year, compared to -140. 6% for Ichor Holdings, Ltd.. Over a 3-year CAGR, ACMR leads at 32. 3% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Onto Innovation Inc.

(ONTO) is the more profitable company, earning 13. 6% net margin versus -5. 6% for Ichor Holdings, Ltd. — meaning it keeps 13. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ONTO leads at 13. 2% versus -4. 1% for ICHR. At the gross margin level — before operating expenses — ONTO leads at 49. 7%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, ACM Research, Inc. (ACMR) is the more undervalued stock at a PEG of 0. 84x versus Onto Innovation Inc. 's 1. 12x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, ACM Research, Inc. (ACMR) trades at 29. 7x forward P/E versus 62. 2x for Ichor Holdings, Ltd. — 32. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ONTO: 12. 5% to $308. 33.

In this comparison, ACMR (0.

2% yield) pays a dividend. BRIA, ICHR, ONTO do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Brillia Inc (BRIA) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

64)). ACM Research, Inc. (ACMR) carries a higher beta of 3. 24 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (BRIA: -50. 9%, ACMR: +30. 7%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (BRIA (Industrials) and ACMR (Technology) and ICHR (Technology) and ONTO (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: BRIA is a small-cap high-growth stock; ACMR is a small-cap high-growth stock; ICHR is a small-cap quality compounder stock; ONTO is a mid-cap quality compounder stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.