Castle Biosciences Inc (CSTL) — Working Capital to Net Assets Ratio
Castle Biosciences Inc (CSTL) has a Working Capital to Net Assets ratio of 60.7% as of March 2026. Working capital of $280.14 Million (current assets of $328.90 Million minus current liabilities of $48.76 Million) is measured against net assets of $461.42 Million. A higher ratio indicates strong short-term liquidity financed by the equity base. See CSTL financial flexibility index to measure the company's free cash flow as a share of total liabilities.
WC/NA Ratio
Working Capital
Current Assets
Current Liabilities
Castle Biosciences Inc Working Capital to Net Assets (2017–2025)
This chart shows how Castle Biosciences Inc's Working Capital to Net Assets ratio has evolved across 9 annual periods from 2017 to 2025. As of March 2026, the ratio stands at 60.7%, reflecting working capital of $280.14 Million against net assets of $461.42 Million USD. See defensive interval ratio of Castle Biosciences Inc to measure how many days the company can operate on defensive assets alone.
Annual Working Capital to Net Assets for Castle Biosciences Inc (2017–2025)
The table below presents the year-by-year Working Capital to Net Assets ratio for Castle Biosciences Inc from 2017 to 2025, covering 9 annual filings. Each row shows current assets, current liabilities, working capital, net assets, the ratio, and the change in percentage points compared to the prior year. For live market cap and the full company profile, see Castle Biosciences Inc market capitalisation.
| Year | WC/NA Ratio | Working Capital (USD) | Net Assets | Current Assets | Current Liabilities | Change (pp) |
|---|---|---|---|---|---|---|
| 2025 | 62.1% | $292.42 Million | $470.87 Million | $361.10 Million | $68.68 Million | ▼ -6.1 pp |
| 2024 | 68.2% | $310.76 Million | $455.83 Million | $360.15 Million | $49.39 Million | ▲ +4.8 pp |
| 2023 | 63.4% | $247.97 Million | $391.27 Million | $295.63 Million | $47.67 Million | ▼ -0.8 pp |
| 2022 | 64.2% | $256.16 Million | $399.15 Million | $292.29 Million | $36.13 Million | ▼ -15.7 pp |
| 2021 | 79.9% | $328.86 Million | $411.74 Million | $353.74 Million | $24.89 Million | ▼ -18.5 pp |
| 2020 | 98.3% | $408.72 Million | $415.69 Million | $429.59 Million | $20.88 Million | ▼ -20.8 pp |
| 2019 | 119.1% | $101.39 Million | $85.11 Million | $116.68 Million | $15.29 Million | ▲ +232.2 pp |
| 2018 | -113.1% | $11.39 Million | $-10.07 Million | $18.13 Million | $6.74 Million | ▼ -102.9 pp |
| 2017 | -10.3% | $1.46 Million | $-14.27 Million | $6.68 Million | $5.22 Million | — |