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Side-by-side financial comparison of ONTO INNOVATION INC. (ONTO) and PTC THERAPEUTICS, INC. (PTCT). Click either name above to swap in a different company.
ONTO INNOVATION INC. is the larger business by last-quarter revenue ($218.2M vs $164.7M, roughly 1.3× PTC THERAPEUTICS, INC.). ONTO INNOVATION INC. runs the higher net margin — 12.9% vs -82.0%, a 94.9% gap on every dollar of revenue. On growth, ONTO INNOVATION INC. posted the faster year-over-year revenue change (-13.5% vs -22.7%). ONTO INNOVATION INC. produced more free cash flow last quarter ($82.0M vs $-36.6M). Over the past eight quarters, ONTO INNOVATION INC.'s revenue compounded faster (2.6% CAGR vs -11.5%).
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.
PTC Therapeutics, Inc. is a US pharmaceutical company focused on the development of orally administered small molecule drugs and gene therapy which regulate gene expression by targeting post-transcriptional control (PTC) mechanisms in orphan diseases.
ONTO vs PTCT — Head-to-Head
Income Statement — Q3 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $218.2M | $164.7M |
| Net Profit | $28.2M | $-135.0M |
| Gross Margin | 50.7% | — |
| Operating Margin | 10.9% | -43.3% |
| Net Margin | 12.9% | -82.0% |
| Revenue YoY | -13.5% | -22.7% |
| Net Profit YoY | -46.8% | -104.8% |
| EPS (diluted) | $0.57 | $-1.63 |
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 | — | $164.7M | ||
| Q3 25 | $218.2M | $211.0M | ||
| Q2 25 | $253.6M | $178.9M | ||
| Q1 25 | $266.6M | $1.2B | ||
| Q4 24 | $263.9M | $213.2M | ||
| Q3 24 | $252.2M | $196.8M | ||
| Q2 24 | $242.3M | $186.7M | ||
| Q1 24 | $228.8M | $210.1M |
| Q4 25 | — | $-135.0M | ||
| Q3 25 | $28.2M | $15.9M | ||
| Q2 25 | $33.9M | $-64.8M | ||
| Q1 25 | $64.1M | $866.6M | ||
| Q4 24 | $48.8M | $-65.9M | ||
| Q3 24 | $53.1M | $-106.7M | ||
| Q2 24 | $52.9M | $-99.2M | ||
| Q1 24 | $46.9M | $-91.6M |
| Q4 25 | — | — | ||
| Q3 25 | 50.7% | — | ||
| Q2 25 | 48.2% | — | ||
| Q1 25 | 53.7% | — | ||
| Q4 24 | 50.2% | — | ||
| Q3 24 | 54.1% | — | ||
| Q2 24 | 52.9% | — | ||
| Q1 24 | 51.7% | — |
| Q4 25 | — | -43.3% | ||
| Q3 25 | 10.9% | 1.4% | ||
| Q2 25 | 12.7% | -19.5% | ||
| Q1 25 | 23.7% | 82.5% | ||
| Q4 24 | 16.1% | -76.2% | ||
| Q3 24 | 21.0% | -27.7% | ||
| Q2 24 | 20.2% | -21.5% | ||
| Q1 24 | 18.7% | -21.6% |
| Q4 25 | — | -82.0% | ||
| Q3 25 | 12.9% | 7.5% | ||
| Q2 25 | 13.4% | -36.3% | ||
| Q1 25 | 24.0% | 73.7% | ||
| Q4 24 | 18.5% | -30.9% | ||
| Q3 24 | 21.0% | -54.2% | ||
| Q2 24 | 21.9% | -53.1% | ||
| Q1 24 | 20.5% | -43.6% |
| Q4 25 | — | $-1.63 | ||
| Q3 25 | $0.57 | $0.20 | ||
| Q2 25 | $0.69 | $-0.83 | ||
| Q1 25 | $1.30 | $10.04 | ||
| Q4 24 | $0.98 | $-0.85 | ||
| Q3 24 | $1.07 | $-1.39 | ||
| Q2 24 | $1.07 | $-1.29 | ||
| Q1 24 | $0.94 | $-1.20 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $603.1M | $1.9B |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $2.0B | $-205.3M |
| Total Assets | $2.2B | $2.9B |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | — | $1.9B | ||
| Q3 25 | $603.1M | $1.7B | ||
| Q2 25 | $217.5M | $2.0B | ||
| Q1 25 | $203.7M | $2.0B | ||
| Q4 24 | $212.9M | $1.1B | ||
| Q3 24 | $188.7M | $1.0B | ||
| Q2 24 | $172.6M | $1.1B | ||
| Q1 24 | $190.9M | $884.8M |
| Q4 25 | — | $-205.3M | ||
| Q3 25 | $2.0B | $-155.8M | ||
| Q2 25 | $2.0B | $-206.5M | ||
| Q1 25 | $1.9B | $-185.8M | ||
| Q4 24 | $1.9B | $-1.1B | ||
| Q3 24 | $1.9B | $-1.1B | ||
| Q2 24 | $1.8B | $-980.2M | ||
| Q1 24 | $1.8B | $-893.9M |
| Q4 25 | — | $2.9B | ||
| Q3 25 | $2.2B | $2.6B | ||
| Q2 25 | $2.1B | $2.6B | ||
| Q1 25 | $2.1B | $2.7B | ||
| Q4 24 | $2.1B | $1.7B | ||
| Q3 24 | $2.1B | $1.8B | ||
| Q2 24 | $2.0B | $1.9B | ||
| Q1 24 | $2.0B | $1.8B |
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 | $83.4M | $-34.3M |
| Free Cash FlowOCF − Capex | $82.0M | $-36.6M |
| FCF MarginFCF / Revenue | 37.6% | -22.3% |
| Capex IntensityCapex / Revenue | 0.6% | 1.4% |
| Cash ConversionOCF / Net Profit | 2.95× | — |
| TTM Free Cash FlowTrailing 4 quarters | $261.3M | $702.3M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | — | $-34.3M | ||
| Q3 25 | $83.4M | $-66.3M | ||
| Q2 25 | $57.9M | $-58.3M | ||
| Q1 25 | $92.0M | $870.1M | ||
| Q4 24 | $56.0M | $-30.0M | ||
| Q3 24 | $67.2M | $-77.0M | ||
| Q2 24 | $65.3M | $-71.5M | ||
| Q1 24 | $57.1M | $70.8M |
| Q4 25 | — | $-36.6M | ||
| Q3 25 | $82.0M | $-69.7M | ||
| Q2 25 | $44.2M | $-59.6M | ||
| Q1 25 | $83.7M | $868.4M | ||
| Q4 24 | $51.4M | $-33.8M | ||
| Q3 24 | $59.2M | $-77.5M | ||
| Q2 24 | $53.0M | $-78.8M | ||
| Q1 24 | $50.2M | $61.2M |
| Q4 25 | — | -22.3% | ||
| Q3 25 | 37.6% | -33.1% | ||
| Q2 25 | 17.4% | -33.3% | ||
| Q1 25 | 31.4% | 73.8% | ||
| Q4 24 | 19.5% | -15.8% | ||
| Q3 24 | 23.5% | -39.4% | ||
| Q2 24 | 21.9% | -42.2% | ||
| Q1 24 | 21.9% | 29.1% |
| Q4 25 | — | 1.4% | ||
| Q3 25 | 0.6% | 1.6% | ||
| Q2 25 | 5.4% | 0.7% | ||
| Q1 25 | 3.1% | 0.1% | ||
| Q4 24 | 1.8% | 1.8% | ||
| Q3 24 | 3.2% | 0.3% | ||
| Q2 24 | 5.1% | 4.0% | ||
| Q1 24 | 3.0% | 4.6% |
| Q4 25 | — | — | ||
| Q3 25 | 2.95× | -4.17× | ||
| Q2 25 | 1.71× | — | ||
| Q1 25 | 1.44× | 1.00× | ||
| Q4 24 | 1.15× | — | ||
| Q3 24 | 1.27× | — | ||
| Q2 24 | 1.23× | — | ||
| Q1 24 | 1.22× | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
ONTO
| Systems And Software Revenue | $173.8M | 80% |
| Parts Revenue | $23.9M | 11% |
| Service Revenue | $20.5M | 9% |
PTCT
Segment breakdown not available.
