Castle Biosciences Inc (CSTL) — Working Capital to Net Assets Ratio
Castle Biosciences Inc (CSTL) has a Working Capital to Net Assets ratio of 64.7% as of September 2025. Working capital of $302.26 Million (current assets of $357.57 Million minus current liabilities of $55.31 Million) is measured against net assets of $467.05 Million. A higher ratio indicates strong short-term liquidity financed by the equity base. See CSTL equity to assets ratio to measure how much of total assets are equity-financed.
WC/NA Ratio
Working Capital
Current Assets
Current Liabilities
Castle Biosciences Inc Working Capital to Net Assets (2017–2024)
This chart shows how Castle Biosciences Inc's Working Capital to Net Assets ratio has evolved across 8 annual periods from 2017 to 2024. As of September 2025, the ratio stands at 64.7%, reflecting working capital of $302.26 Million against net assets of $467.05 Million USD. Check how tangible is Castle Biosciences Inc's equity to evaluate the tangible quality of the company's equity base.
Annual Working Capital to Net Assets for Castle Biosciences Inc (2017–2024)
The table below presents the year-by-year Working Capital to Net Assets ratio for Castle Biosciences Inc from 2017 to 2024, covering 8 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 market cap of Castle Biosciences Inc.
| Year | WC/NA Ratio | Working Capital (USD) | Net Assets | Current Assets | Current Liabilities | Change (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 | — |