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Side-by-side financial comparison of Cytek Biosciences, Inc. (CTKB) and GRAFTECH INTERNATIONAL LTD (EAF). Click either name above to swap in a different company.
GRAFTECH INTERNATIONAL LTD is the larger business by last-quarter revenue ($116.5M vs $62.1M, roughly 1.9× Cytek Biosciences, Inc.). GRAFTECH INTERNATIONAL LTD runs the higher net margin — -55.9% vs -70.9%, a 15.0% gap on every dollar of revenue. On growth, Cytek Biosciences, Inc. posted the faster year-over-year revenue change (8.1% vs -13.2%). Cytek Biosciences, Inc. produced more free cash flow last quarter ($-1.8M vs $-39.3M). Over the past eight quarters, Cytek Biosciences, Inc.'s revenue compounded faster (17.7% CAGR vs -7.7%).
Cytek Biosciences, Inc. develops, manufactures and sells high-performance flow cytometry systems, associated reagents and analysis software. Its solutions serve life science research, clinical diagnostics and biopharmaceutical sectors, with a global customer base across North America, Europe and the Asia-Pacific region.
GrafTech International Ltd. is a manufacturer of graphite electrodes and petroleum coke, which are essential for the production of electric arc furnace steel and other metals. Headquartered in Brooklyn Heights, Ohio, it has manufacturing facilities in Calais, France;Pamplona, Spain; Monterrey, Mexico; and St. Marys, Pennsylvania.
CTKB vs EAF — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $62.1M | $116.5M |
| Net Profit | $-44.1M | $-65.1M |
| Gross Margin | 52.9% | -20.9% |
| Operating Margin | -9.0% | -33.6% |
| Net Margin | -70.9% | -55.9% |
| Revenue YoY | 8.1% | -13.2% |
| Net Profit YoY | -557.1% | -31.6% |
| EPS (diluted) | — | $-6.86 |
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 | $62.1M | $116.5M | ||
| Q3 25 | $52.3M | $144.0M | ||
| Q2 25 | $45.6M | $131.8M | ||
| Q1 25 | $41.5M | $111.8M | ||
| Q4 24 | $57.5M | $134.2M | ||
| Q3 24 | $51.5M | $130.7M | ||
| Q2 24 | $46.6M | $137.3M | ||
| Q1 24 | $44.9M | $136.6M |
| Q4 25 | $-44.1M | $-65.1M | ||
| Q3 25 | $-5.5M | $-28.5M | ||
| Q2 25 | $-5.6M | $-86.9M | ||
| Q1 25 | $-11.4M | $-39.4M | ||
| Q4 24 | $9.6M | $-49.5M | ||
| Q3 24 | $941.0K | $-36.1M | ||
| Q2 24 | $-10.4M | $-14.8M | ||
| Q1 24 | $-6.2M | $-30.9M |
| Q4 25 | 52.9% | -20.9% | ||
| Q3 25 | 52.7% | 7.2% | ||
| Q2 25 | 52.3% | 0.0% | ||
| Q1 25 | 48.6% | -1.5% | ||
| Q4 24 | 58.5% | -7.8% | ||
| Q3 24 | 56.3% | -9.2% | ||
| Q2 24 | 54.6% | 2.9% | ||
| Q1 24 | 51.3% | -1.0% |
| Q4 25 | -9.0% | -33.6% | ||
| Q3 25 | -17.6% | -3.6% | ||
| Q2 25 | -23.3% | -11.0% | ||
| Q1 25 | -36.1% | -16.3% | ||
| Q4 24 | 5.2% | -18.6% | ||
| Q3 24 | -8.2% | -20.1% | ||
| Q2 24 | -18.3% | -2.0% | ||
| Q1 24 | -23.9% | -15.6% |
| Q4 25 | -70.9% | -55.9% | ||
| Q3 25 | -10.5% | -19.8% | ||
| Q2 25 | -12.2% | -65.9% | ||
| Q1 25 | -27.5% | -35.2% | ||
| Q4 24 | 16.8% | -36.9% | ||
| Q3 24 | 1.8% | -27.6% | ||
| Q2 24 | -22.4% | -10.7% | ||
| Q1 24 | -13.8% | -22.6% |
| Q4 25 | — | $-6.86 | ||
| Q3 25 | — | $-1.10 | ||
| Q2 25 | — | $-0.34 | ||
| Q1 25 | — | $-0.15 | ||
| Q4 24 | — | $-3.51 | ||
| Q3 24 | — | $-1.40 | ||
| Q2 24 | — | $-0.06 | ||
| Q1 24 | — | $-0.12 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $90.9M | — |
| Total DebtLower is stronger | — | $1.1B |
| Stockholders' EquityBook value | $341.7M | $-259.6M |
| Total Assets | $461.5M | $1.0B |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $90.9M | — | ||
| Q3 25 | $93.3M | — | ||
| Q2 25 | $75.5M | — | ||
| Q1 25 | $95.3M | — | ||
| Q4 24 | $98.7M | — | ||
| Q3 24 | $162.3M | — | ||
| Q2 24 | $177.9M | $120.7M | ||
| Q1 24 | $168.8M | $165.2M |
| Q4 25 | — | $1.1B | ||
| Q3 25 | — | $1.1B | ||
| Q2 25 | — | $1.1B | ||
| Q1 25 | — | $1.1B | ||
| Q4 24 | — | $1.1B | ||
| Q3 24 | — | $929.5M | ||
| Q2 24 | — | $928.2M | ||
| Q1 24 | — | $926.9M |
| Q4 25 | $341.7M | $-259.6M | ||
| Q3 25 | $378.6M | $-194.4M | ||
| Q2 25 | $377.6M | $-168.4M | ||
| Q1 25 | $379.6M | $-105.3M | ||
| Q4 24 | $395.7M | $-78.9M | ||
| Q3 24 | $385.5M | $-9.0M | ||
| Q2 24 | $389.1M | $16.2M | ||
| Q1 24 | $392.6M | $37.6M |
| Q4 25 | $461.5M | $1.0B | ||
| Q3 25 | $494.9M | $1.1B | ||
| Q2 25 | $493.3M | $1.1B | ||
| Q1 25 | $482.6M | $1.2B | ||
| Q4 24 | $499.5M | $1.2B | ||
| Q3 24 | $491.2M | $1.1B | ||
| Q2 24 | $483.7M | $1.2B | ||
| Q1 24 | $492.1M | $1.2B |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | 57.16× | ||
| Q1 24 | — | 24.64× |
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 | $-771.0K | $-20.9M |
| Free Cash FlowOCF − Capex | $-1.8M | $-39.3M |
| FCF MarginFCF / Revenue | -2.9% | -33.7% |
| Capex IntensityCapex / Revenue | 1.6% | 15.8% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | $-8.8M | $-120.5M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-771.0K | $-20.9M | ||
| Q3 25 | $-3.9M | $24.7M | ||
| Q2 25 | $108.0K | $-53.2M | ||
| Q1 25 | $-125.0K | $-32.2M | ||
| Q4 24 | $2.0M | $-26.4M | ||
| Q3 24 | $13.2M | $23.7M | ||
| Q2 24 | $6.2M | $-36.9M | ||
| Q1 24 | $4.0M | $-530.0K |
| Q4 25 | $-1.8M | $-39.3M | ||
| Q3 25 | $-4.6M | $18.4M | ||
| Q2 25 | $-1.5M | $-57.1M | ||
| Q1 25 | $-974.0K | $-42.5M | ||
| Q4 24 | $1.1M | $-39.2M | ||
| Q3 24 | $12.2M | $19.7M | ||
| Q2 24 | $5.2M | $-43.8M | ||
| Q1 24 | $3.4M | $-11.0M |
| Q4 25 | -2.9% | -33.7% | ||
| Q3 25 | -8.7% | 12.8% | ||
| Q2 25 | -3.2% | -43.3% | ||
| Q1 25 | -2.3% | -38.0% | ||
| Q4 24 | 1.9% | -29.2% | ||
| Q3 24 | 23.7% | 15.1% | ||
| Q2 24 | 11.0% | -31.9% | ||
| Q1 24 | 7.6% | -8.1% |
| Q4 25 | 1.6% | 15.8% | ||
| Q3 25 | 1.3% | 4.4% | ||
| Q2 25 | 3.5% | 3.0% | ||
| Q1 25 | 2.0% | 9.2% | ||
| Q4 24 | 1.6% | 9.5% | ||
| Q3 24 | 2.0% | 3.1% | ||
| Q2 24 | 2.3% | 5.1% | ||
| Q1 24 | 1.3% | 7.7% |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | 0.21× | — | ||
| Q3 24 | 14.05× | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
CTKB
| Products | $46.6M | 75% |
| Services | $15.5M | 25% |
EAF
| Graphite Electrodes | $107.0M | 92% |
| By Products And Other | $9.4M | 8% |
