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Side-by-side financial comparison of PDF SOLUTIONS INC (PDFS) and Quanterix Corp (QTRX). Click either name above to swap in a different company.
PDF SOLUTIONS INC is the larger business by last-quarter revenue ($62.4M vs $43.9M, roughly 1.4× Quanterix Corp). PDF SOLUTIONS INC runs the higher net margin — -0.1% vs -52.7%, a 52.6% gap on every dollar of revenue. On growth, Quanterix Corp posted the faster year-over-year revenue change (24.7% vs 24.6%). PDF SOLUTIONS INC produced more free cash flow last quarter ($7.5M vs $-16.5M). Over the past eight quarters, PDF SOLUTIONS INC's revenue compounded faster (22.9% CAGR vs 16.9%).
PDF Solutions, Inc. is an American multinational software and engineering services company based in Santa Clara, California. The company is listed in the Nasdaq stock exchange under the ticker symbol PDFS.
Quanterix Corp is a life sciences firm that develops, manufactures, and commercializes ultra-sensitive single-molecule detection diagnostic platforms, reagents, and testing services. Its solutions empower biological research, drug development, and clinical diagnostics across oncology, neurodegenerative disorders, infectious diseases, and other therapeutic areas, serving research institutions, biopharmaceutical companies, and clinical laboratories globally.
PDFS vs QTRX — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $62.4M | $43.9M |
| Net Profit | $-48.0K | $-23.1M |
| Gross Margin | 72.9% | 45.7% |
| Operating Margin | 5.5% | -56.4% |
| Net Margin | -0.1% | -52.7% |
| Revenue YoY | 24.6% | 24.7% |
| Net Profit YoY | -108.9% | -98.8% |
| EPS (diluted) | $0.00 | $-0.48 |
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 | $62.4M | $43.9M | ||
| Q3 25 | $57.1M | $40.2M | ||
| Q2 25 | $51.7M | $24.5M | ||
| Q1 25 | $47.8M | $30.3M | ||
| Q4 24 | $50.1M | $35.2M | ||
| Q3 24 | $46.4M | $35.8M | ||
| Q2 24 | $41.7M | $34.4M | ||
| Q1 24 | $41.3M | $32.1M |
| Q4 25 | $-48.0K | $-23.1M | ||
| Q3 25 | $1.3M | $-33.5M | ||
| Q2 25 | $1.1M | $-30.0M | ||
| Q1 25 | $-3.0M | $-20.5M | ||
| Q4 24 | $539.0K | $-11.6M | ||
| Q3 24 | $2.2M | $-8.4M | ||
| Q2 24 | $1.7M | $-7.4M | ||
| Q1 24 | $-393.0K | $-11.2M |
| Q4 25 | 72.9% | 45.7% | ||
| Q3 25 | 72.3% | 42.8% | ||
| Q2 25 | 71.2% | 46.2% | ||
| Q1 25 | 72.9% | 54.1% | ||
| Q4 24 | 68.3% | 63.0% | ||
| Q3 24 | 73.1% | 56.3% | ||
| Q2 24 | 70.6% | 64.7% | ||
| Q1 24 | 67.3% | 57.8% |
| Q4 25 | 5.5% | -56.4% | ||
| Q3 25 | 8.5% | -92.8% | ||
| Q2 25 | 2.2% | -151.6% | ||
| Q1 25 | -7.4% | -86.9% | ||
| Q4 24 | 1.0% | -42.0% | ||
| Q3 24 | 4.6% | -32.8% | ||
| Q2 24 | 0.6% | -31.8% | ||
| Q1 24 | -4.7% | -47.3% |
| Q4 25 | -0.1% | -52.7% | ||
| Q3 25 | 2.3% | -83.3% | ||
| Q2 25 | 2.2% | -122.6% | ||
| Q1 25 | -6.3% | -67.6% | ||
| Q4 24 | 1.1% | -33.1% | ||
| Q3 24 | 4.8% | -23.3% | ||
| Q2 24 | 4.1% | -21.5% | ||
| Q1 24 | -1.0% | -34.8% |
| Q4 25 | $0.00 | $-0.48 | ||
| Q3 25 | $0.03 | $-0.73 | ||
| Q2 25 | $0.03 | $-0.77 | ||
| Q1 25 | $-0.08 | $-0.53 | ||
| Q4 24 | $0.01 | $-0.30 | ||
| Q3 24 | $0.06 | $-0.22 | ||
| Q2 24 | $0.04 | $-0.19 | ||
| Q1 24 | $-0.01 | $-0.29 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $42.2M | $29.8M |
| Total DebtLower is stronger | $67.0M | — |
| Stockholders' EquityBook value | $271.0M | $295.7M |
| Total Assets | $418.7M | $418.8M |
| Debt / EquityLower = less leverage | 0.25× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $42.2M | $29.8M | ||
| Q3 25 | $35.9M | $38.3M | ||
| Q2 25 | $40.4M | $132.9M | ||
| Q1 25 | $54.1M | $76.5M | ||
| Q4 24 | $114.9M | $56.7M | ||
| Q3 24 | $120.2M | $29.3M | ||
| Q2 24 | $117.9M | $47.0M | ||
| Q1 24 | $122.9M | $45.3M |
| Q4 25 | $67.0M | — | ||
| Q3 25 | $67.6M | — | ||
| Q2 25 | $68.1M | — | ||
| Q1 25 | $68.7M | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
| Q4 25 | $271.0M | $295.7M | ||
| Q3 25 | $264.4M | $314.5M | ||
| Q2 25 | $257.5M | $292.5M | ||
| Q1 25 | $249.0M | $316.4M | ||
| Q4 24 | $246.0M | $330.0M | ||
| Q3 24 | $240.5M | $338.9M | ||
| Q2 24 | $232.2M | $340.8M | ||
| Q1 24 | $225.4M | $343.4M |
| Q4 25 | $418.7M | $418.8M | ||
| Q3 25 | $406.4M | $444.1M | ||
| Q2 25 | $391.1M | $375.6M | ||
| Q1 25 | $390.0M | $396.5M | ||
| Q4 24 | $315.3M | $406.5M | ||
| Q3 24 | $307.4M | $411.0M | ||
| Q2 24 | $298.0M | $415.9M | ||
| Q1 24 | $286.8M | $414.2M |
| Q4 25 | 0.25× | — | ||
| Q3 25 | 0.26× | — | ||
| Q2 25 | 0.26× | — | ||
| Q1 25 | 0.28× | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
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 | $17.3M | $-16.4M |
| Free Cash FlowOCF − Capex | $7.5M | $-16.5M |
| FCF MarginFCF / Revenue | 12.1% | -37.7% |
| Capex IntensityCapex / Revenue | 15.7% | 0.2% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | $-8.6M | $-80.0M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $17.3M | $-16.4M | ||
| Q3 25 | $3.3M | $-41.2M | ||
| Q2 25 | $-5.2M | $-5.7M | ||
| Q1 25 | $8.6M | $-13.9M | ||
| Q4 24 | $1.6M | $-4.3M | ||
| Q3 24 | $9.3M | $-5.7M | ||
| Q2 24 | $684.0K | $-5.0M | ||
| Q1 24 | $-1.9M | $-20.2M |
| Q4 25 | $7.5M | $-16.5M | ||
| Q3 25 | $-2.9M | $-41.9M | ||
| Q2 25 | $-13.8M | $-6.4M | ||
| Q1 25 | $535.0K | $-15.1M | ||
| Q4 24 | $-4.0M | $-4.7M | ||
| Q3 24 | $5.1M | $-6.6M | ||
| Q2 24 | $-4.6M | $-6.5M | ||
| Q1 24 | $-3.9M | $-20.7M |
| Q4 25 | 12.1% | -37.7% | ||
| Q3 25 | -5.1% | -104.2% | ||
| Q2 25 | -26.6% | -26.3% | ||
| Q1 25 | 1.1% | -49.9% | ||
| Q4 24 | -8.0% | -13.4% | ||
| Q3 24 | 11.0% | -18.4% | ||
| Q2 24 | -11.1% | -19.1% | ||
| Q1 24 | -9.4% | -64.5% |
| Q4 25 | 15.7% | 0.2% | ||
| Q3 25 | 10.8% | 1.7% | ||
| Q2 25 | 16.5% | 3.2% | ||
| Q1 25 | 17.0% | 4.1% | ||
| Q4 24 | 11.3% | 1.2% | ||
| Q3 24 | 9.0% | 2.4% | ||
| Q2 24 | 12.8% | 4.7% | ||
| Q1 24 | 4.9% | 1.6% |
| Q4 25 | — | — | ||
| Q3 25 | 2.54× | — | ||
| Q2 25 | -4.55× | — | ||
| Q1 25 | — | — | ||
| Q4 24 | 2.98× | — | ||
| Q3 24 | 4.20× | — | ||
| Q2 24 | 0.40× | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
PDFS
| Volumebased | $38.0M | 61% |
| Other | $24.4M | 39% |
QTRX
| Products | $29.2M | 67% |
| Consumable And Other Products | $12.7M | 29% |
| Service Type Warranties | $1.7M | 4% |
