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Side-by-side financial comparison of DIODES INC (DIOD) and ONTO INNOVATION INC. (ONTO). Click either name above to swap in a different company.
DIODES INC is the larger business by last-quarter revenue ($391.6M vs $218.2M, roughly 1.8× ONTO INNOVATION INC.). ONTO INNOVATION INC. runs the higher net margin — 12.9% vs 2.6%, a 10.3% gap on every dollar of revenue. On growth, DIODES INC posted the faster year-over-year revenue change (15.4% vs -13.5%). ONTO INNOVATION INC. produced more free cash flow last quarter ($82.0M vs $12.4M). Over the past eight quarters, DIODES INC's revenue compounded faster (13.9% CAGR vs 2.6%).
Diodes Incorporated is a global semiconductor manufacturer that designs, produces and supplies discrete, analog and mixed-signal semiconductor products. Its solutions serve key end markets including automotive, industrial, consumer electronics, personal computing and communications infrastructure, with a worldwide customer base.
Onto Innovation Inc. is an American semiconductor company formed in 2019 from the merger of Rudolph Technologies, Inc. and Nanometrics Incorporated. It is a provider of process and process control equipment and software for microelectronic manufacturing industries.
DIOD vs ONTO — Head-to-Head
Income Statement — Q4 FY2025 vs Q3 FY2025
| Metric | | |
|---|---|---|
| Revenue | $391.6M | $218.2M |
| Net Profit | $10.2M | $28.2M |
| Gross Margin | 31.1% | 50.7% |
| Operating Margin | 3.4% | 10.9% |
| Net Margin | 2.6% | 12.9% |
| Revenue YoY | 15.4% | -13.5% |
| Net Profit YoY | 23.8% | -46.8% |
| EPS (diluted) | $0.23 | $0.57 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $391.6M | — | ||
| Q3 25 | $392.2M | $218.2M | ||
| Q2 25 | $366.2M | $253.6M | ||
| Q1 25 | $332.1M | $266.6M | ||
| Q4 24 | $339.3M | $263.9M | ||
| Q3 24 | $350.1M | $252.2M | ||
| Q2 24 | $319.8M | $242.3M | ||
| Q1 24 | $302.0M | $228.8M |
| Q4 25 | $10.2M | — | ||
| Q3 25 | $14.3M | $28.2M | ||
| Q2 25 | $46.1M | $33.9M | ||
| Q1 25 | $-4.4M | $64.1M | ||
| Q4 24 | $8.2M | $48.8M | ||
| Q3 24 | $13.7M | $53.1M | ||
| Q2 24 | $8.0M | $52.9M | ||
| Q1 24 | $14.0M | $46.9M |
| Q4 25 | 31.1% | — | ||
| Q3 25 | 30.7% | 50.7% | ||
| Q2 25 | 31.5% | 48.2% | ||
| Q1 25 | 31.5% | 53.7% | ||
| Q4 24 | 32.7% | 50.2% | ||
| Q3 24 | 33.7% | 54.1% | ||
| Q2 24 | 33.6% | 52.9% | ||
| Q1 24 | 33.0% | 51.7% |
| Q4 25 | 3.4% | — | ||
| Q3 25 | 3.0% | 10.9% | ||
| Q2 25 | 2.6% | 12.7% | ||
| Q1 25 | 0.4% | 23.7% | ||
| Q4 24 | 3.5% | 16.1% | ||
| Q3 24 | 6.2% | 21.0% | ||
| Q2 24 | 1.2% | 20.2% | ||
| Q1 24 | 4.3% | 18.7% |
| Q4 25 | 2.6% | — | ||
| Q3 25 | 3.6% | 12.9% | ||
| Q2 25 | 12.6% | 13.4% | ||
| Q1 25 | -1.3% | 24.0% | ||
| Q4 24 | 2.4% | 18.5% | ||
| Q3 24 | 3.9% | 21.0% | ||
| Q2 24 | 2.5% | 21.9% | ||
| Q1 24 | 4.6% | 20.5% |
| Q4 25 | $0.23 | — | ||
| Q3 25 | $0.31 | $0.57 | ||
| Q2 25 | $0.99 | $0.69 | ||
| Q1 25 | $-0.10 | $1.30 | ||
| Q4 24 | $0.18 | $0.98 | ||
| Q3 24 | $0.30 | $1.07 | ||
| Q2 24 | $0.17 | $1.07 | ||
| Q1 24 | $0.30 | $0.94 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $377.0M | $603.1M |
| Total DebtLower is stronger | $25.7M | — |
| Stockholders' EquityBook value | $1.9B | $2.0B |
| Total Assets | $2.4B | $2.2B |
| Debt / EquityLower = less leverage | 0.01× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $377.0M | — | ||
| Q3 25 | $386.4M | $603.1M | ||
| Q2 25 | $327.3M | $217.5M | ||
| Q1 25 | $343.9M | $203.7M | ||
| Q4 24 | $316.1M | $212.9M | ||
| Q3 24 | $319.3M | $188.7M | ||
| Q2 24 | $273.9M | $172.6M | ||
| Q1 24 | $276.0M | $190.9M |
| Q4 25 | $25.7M | — | ||
| Q3 25 | $24.9M | — | ||
| Q2 25 | $26.4M | — | ||
| Q1 25 | $20.5M | — | ||
| Q4 24 | $20.7M | — | ||
| Q3 24 | $22.2M | — | ||
| Q2 24 | $20.3M | — | ||
| Q1 24 | $20.9M | — |
| Q4 25 | $1.9B | — | ||
| Q3 25 | $1.9B | $2.0B | ||
| Q2 25 | $1.9B | $2.0B | ||
| Q1 25 | $1.8B | $1.9B | ||
| Q4 24 | $1.8B | $1.9B | ||
| Q3 24 | $1.8B | $1.9B | ||
| Q2 24 | $1.8B | $1.8B | ||
| Q1 24 | $1.7B | $1.8B |
| Q4 25 | $2.4B | — | ||
| Q3 25 | $2.5B | $2.2B | ||
| Q2 25 | $2.5B | $2.1B | ||
| Q1 25 | $2.4B | $2.1B | ||
| Q4 24 | $2.4B | $2.1B | ||
| Q3 24 | $2.4B | $2.1B | ||
| Q2 24 | $2.4B | $2.0B | ||
| Q1 24 | $2.4B | $2.0B |
| Q4 25 | 0.01× | — | ||
| Q3 25 | 0.01× | — | ||
| Q2 25 | 0.01× | — | ||
| Q1 25 | 0.01× | — | ||
| Q4 24 | 0.01× | — | ||
| Q3 24 | 0.01× | — | ||
| Q2 24 | 0.01× | — | ||
| Q1 24 | 0.01× | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $38.1M | $83.4M |
| Free Cash FlowOCF − Capex | $12.4M | $82.0M |
| FCF MarginFCF / Revenue | 3.2% | 37.6% |
| Capex IntensityCapex / Revenue | 6.6% | 0.6% |
| Cash ConversionOCF / Net Profit | 3.74× | 2.95× |
| TTM Free Cash FlowTrailing 4 quarters | $137.2M | $261.3M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $38.1M | — | ||
| Q3 25 | $79.1M | $83.4M | ||
| Q2 25 | $41.5M | $57.9M | ||
| Q1 25 | $56.7M | $92.0M | ||
| Q4 24 | $81.8M | $56.0M | ||
| Q3 24 | $54.4M | $67.2M | ||
| Q2 24 | $14.4M | $65.3M | ||
| Q1 24 | $-31.1M | $57.1M |
| Q4 25 | $12.4M | — | ||
| Q3 25 | $62.8M | $82.0M | ||
| Q2 25 | $21.1M | $44.2M | ||
| Q1 25 | $40.8M | $83.7M | ||
| Q4 24 | $62.1M | $51.4M | ||
| Q3 24 | $39.4M | $59.2M | ||
| Q2 24 | $-3.5M | $53.0M | ||
| Q1 24 | $-51.5M | $50.2M |
| Q4 25 | 3.2% | — | ||
| Q3 25 | 16.0% | 37.6% | ||
| Q2 25 | 5.8% | 17.4% | ||
| Q1 25 | 12.3% | 31.4% | ||
| Q4 24 | 18.3% | 19.5% | ||
| Q3 24 | 11.2% | 23.5% | ||
| Q2 24 | -1.1% | 21.9% | ||
| Q1 24 | -17.1% | 21.9% |
| Q4 25 | 6.6% | — | ||
| Q3 25 | 4.2% | 0.6% | ||
| Q2 25 | 5.6% | 5.4% | ||
| Q1 25 | 4.8% | 3.1% | ||
| Q4 24 | 5.8% | 1.8% | ||
| Q3 24 | 4.3% | 3.2% | ||
| Q2 24 | 5.6% | 5.1% | ||
| Q1 24 | 6.7% | 3.0% |
| Q4 25 | 3.74× | — | ||
| Q3 25 | 5.54× | 2.95× | ||
| Q2 25 | 0.90× | 1.71× | ||
| Q1 25 | — | 1.44× | ||
| Q4 24 | 9.93× | 1.15× | ||
| Q3 24 | 3.95× | 1.27× | ||
| Q2 24 | 1.80× | 1.23× | ||
| Q1 24 | -2.22× | 1.22× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
DIOD
| Distributor | $253.1M | 65% |
| Direct Sales | $138.5M | 35% |
ONTO
| Systems And Software Revenue | $173.8M | 80% |
| Parts Revenue | $23.9M | 11% |
| Service Revenue | $20.5M | 9% |
