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Side-by-side financial comparison of Applied Digital Corp. (APLD) and CASTLE BIOSCIENCES INC (CSTL). Click either name above to swap in a different company.
Applied Digital Corp. is the larger business by last-quarter revenue ($126.6M vs $87.0M, roughly 1.5× CASTLE BIOSCIENCES INC). On growth, Applied Digital Corp. posted the faster year-over-year revenue change (98.2% vs 0.8%). CASTLE BIOSCIENCES INC produced more free cash flow last quarter ($19.7M vs $-567.9M). Over the past eight quarters, Applied Digital Corp.'s revenue compounded faster (70.9% CAGR vs 9.2%).
BAE Systems Digital Intelligence is an international defence and security technology firm owned by BAE Systems. They specialize in delivering digital solutions that enable rapid, data-driven decision-making. Their services, solutions and products span customers in Law Enforcement, National Security, Government Departments and Government Enterprises, Critical National Infrastructure, Telecommunications, the Military, and Space.
Castle Biosciences Inc. is a commercial-stage diagnostic firm that develops and markets proprietary, clinically actionable tests for dermatological conditions such as melanoma and other skin cancers, plus rare diseases. It operates mainly in the U.S. healthcare market, focusing on segments with high unmet need for more accurate diagnostics to guide treatment choices.
APLD vs CSTL — Head-to-Head
Income Statement — Q2 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $126.6M | $87.0M |
| Net Profit | $-14.4M | — |
| Gross Margin | 20.6% | 79.0% |
| Operating Margin | -24.5% | -4.4% |
| Net Margin | -11.4% | — |
| Revenue YoY | 98.2% | 0.8% |
| Net Profit YoY | 89.6% | — |
| EPS (diluted) | $-0.07 | $-0.06 |
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 | $126.6M | $87.0M | ||
| Q3 25 | $64.2M | $83.0M | ||
| Q2 25 | $-33.3M | $86.2M | ||
| Q1 25 | $52.9M | $88.0M | ||
| Q4 24 | $63.9M | $86.3M | ||
| Q3 24 | $60.7M | $85.8M | ||
| Q2 24 | $43.7M | $87.0M | ||
| Q1 24 | $43.3M | $73.0M |
| Q4 25 | $-14.4M | — | ||
| Q3 25 | $-16.9M | $-501.0K | ||
| Q2 25 | $-52.5M | $4.5M | ||
| Q1 25 | $-35.6M | $-25.8M | ||
| Q4 24 | $-138.7M | — | ||
| Q3 24 | $-4.2M | $2.3M | ||
| Q2 24 | $-64.5M | $8.9M | ||
| Q1 24 | $-62.8M | $-2.5M |
| Q4 25 | 20.6% | 79.0% | ||
| Q3 25 | 13.4% | 77.5% | ||
| Q2 25 | — | 79.5% | ||
| Q1 25 | 7.1% | 81.4% | ||
| Q4 24 | 18.0% | 81.3% | ||
| Q3 24 | -0.6% | 81.8% | ||
| Q2 24 | -9.1% | 83.3% | ||
| Q1 24 | -8.6% | 81.0% |
| Q4 25 | -24.5% | -4.4% | ||
| Q3 25 | -34.7% | -8.2% | ||
| Q2 25 | — | -4.9% | ||
| Q1 25 | -35.8% | -31.7% | ||
| Q4 24 | -29.1% | 4.7% | ||
| Q3 24 | 15.6% | 5.9% | ||
| Q2 24 | -68.4% | 5.8% | ||
| Q1 24 | -128.8% | -7.5% |
| Q4 25 | -11.4% | — | ||
| Q3 25 | -26.4% | -0.6% | ||
| Q2 25 | 157.8% | 5.2% | ||
| Q1 25 | -67.2% | -29.4% | ||
| Q4 24 | -217.2% | — | ||
| Q3 24 | -7.0% | 2.6% | ||
| Q2 24 | -147.5% | 10.3% | ||
| Q1 24 | -145.0% | -3.5% |
| Q4 25 | $-0.07 | $-0.06 | ||
| Q3 25 | $-0.07 | $-0.02 | ||
| Q2 25 | $-0.31 | $0.15 | ||
| Q1 25 | $-0.16 | $-0.90 | ||
| Q4 24 | $-0.66 | $0.32 | ||
| Q3 24 | $-0.03 | $0.08 | ||
| Q2 24 | $-0.57 | $0.31 | ||
| Q1 24 | $-0.52 | $-0.09 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $1.9B | $299.5M |
| Total DebtLower is stronger | — | $10.1M |
| Stockholders' EquityBook value | $1.4B | $470.9M |
| Total Assets | $5.2B | $578.6M |
| Debt / EquityLower = less leverage | — | 0.02× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $1.9B | $299.5M | ||
| Q3 25 | $73.9M | $287.5M | ||
| Q2 25 | $41.6M | $275.9M | ||
| Q1 25 | $68.7M | $275.2M | ||
| Q4 24 | $286.2M | $293.1M | ||
| Q3 24 | $58.2M | $95.0M | ||
| Q2 24 | $3.3M | $85.6M | ||
| Q1 24 | $4.4M | $82.9M |
| Q4 25 | — | $10.1M | ||
| Q3 25 | — | $10.0M | ||
| Q2 25 | — | $10.0M | ||
| Q1 25 | — | $10.0M | ||
| Q4 24 | — | $10.0M | ||
| Q3 24 | — | $10.0M | ||
| Q2 24 | — | $10.0M | ||
| Q1 24 | — | $10.0M |
| Q4 25 | $1.4B | $470.9M | ||
| Q3 25 | $1.0B | $467.0M | ||
| Q2 25 | $497.7M | $455.4M | ||
| Q1 25 | $454.6M | $440.3M | ||
| Q4 24 | $434.6M | $455.8M | ||
| Q3 24 | $241.8M | $441.1M | ||
| Q2 24 | $124.8M | $423.9M | ||
| Q1 24 | $118.5M | $402.5M |
| Q4 25 | $5.2B | $578.6M | ||
| Q3 25 | $2.4B | $562.8M | ||
| Q2 25 | $1.9B | $544.7M | ||
| Q1 25 | $1.7B | $501.7M | ||
| Q4 24 | $1.5B | $531.2M | ||
| Q3 24 | $937.7M | $514.6M | ||
| Q2 24 | $762.9M | $487.3M | ||
| Q1 24 | $643.2M | $458.5M |
| Q4 25 | — | 0.02× | ||
| Q3 25 | — | 0.02× | ||
| Q2 25 | — | 0.02× | ||
| Q1 25 | — | 0.02× | ||
| Q4 24 | — | 0.02× | ||
| Q3 24 | — | 0.02× | ||
| Q2 24 | — | 0.02× | ||
| Q1 24 | — | 0.02× |
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 | $-15.8M | $26.9M |
| Free Cash FlowOCF − Capex | $-567.9M | $19.7M |
| FCF MarginFCF / Revenue | -448.6% | 22.7% |
| Capex IntensityCapex / Revenue | 436.1% | 8.3% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | $-1.3B | $28.3M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-15.8M | $26.9M | ||
| Q3 25 | $-82.0M | $22.6M | ||
| Q2 25 | $6.9M | $20.8M | ||
| Q1 25 | $5.9M | $-6.0M | ||
| Q4 24 | $-52.3M | $24.4M | ||
| Q3 24 | $-75.9M | $23.3M | ||
| Q2 24 | $-34.1M | $24.0M | ||
| Q1 24 | $38.8M | $-6.8M |
| Q4 25 | $-567.9M | $19.7M | ||
| Q3 25 | $-331.4M | $7.8M | ||
| Q2 25 | $-191.4M | $11.6M | ||
| Q1 25 | $-251.6M | $-10.8M | ||
| Q4 24 | $-223.3M | $16.8M | ||
| Q3 24 | $-130.7M | $17.0M | ||
| Q2 24 | $-88.9M | $18.8M | ||
| Q1 24 | $-2.3M | $-16.0M |
| Q4 25 | -448.6% | 22.7% | ||
| Q3 25 | -516.1% | 9.4% | ||
| Q2 25 | 574.8% | 13.4% | ||
| Q1 25 | -475.4% | -12.2% | ||
| Q4 24 | -349.6% | 19.5% | ||
| Q3 24 | -215.3% | 19.8% | ||
| Q2 24 | -203.5% | 21.6% | ||
| Q1 24 | -5.4% | -21.9% |
| Q4 25 | 436.1% | 8.3% | ||
| Q3 25 | 388.4% | 17.9% | ||
| Q2 25 | -595.4% | 10.7% | ||
| Q1 25 | 486.6% | 5.4% | ||
| Q4 24 | 267.8% | 8.8% | ||
| Q3 24 | 90.3% | 7.4% | ||
| Q2 24 | 125.4% | 6.0% | ||
| Q1 24 | 95.0% | 12.5% |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | 4.60× | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | 10.29× | ||
| Q2 24 | — | 2.69× | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
APLD
| HPC Hosting Business | $85.0M | 67% |
| Data Center Hosting Business | $41.6M | 33% |
CSTL
| Dermatologic | $48.6M | 56% |
| Non Dermatologic | $38.4M | 44% |
