Spero Therapeutics Inc (SPRO) — Working Capital to Net Assets Ratio
Spero Therapeutics Inc (SPRO) has a Working Capital to Net Assets ratio of 99.0% as of December 2025. Working capital of $58.42 Million (current assets of $67.29 Million minus current liabilities of $8.87 Million) is measured against net assets of $59.02 Million. A higher ratio indicates strong short-term liquidity financed by the equity base. See Spero Therapeutics Inc liquidity coverage in days to measure how many days the company can operate on defensive assets alone.
WC/NA Ratio
Working Capital
Current Assets
Current Liabilities
Spero Therapeutics Inc Working Capital to Net Assets (2015–2025)
This chart shows how Spero Therapeutics Inc's Working Capital to Net Assets ratio has evolved across 11 annual periods from 2015 to 2025. As of December 2025, the ratio stands at 99.0%, reflecting working capital of $58.42 Million against net assets of $59.02 Million USD. For the complete balance sheet picture, see Spero Therapeutics Inc total assets.
Annual Working Capital to Net Assets for Spero Therapeutics Inc (2015–2025)
The table below presents the year-by-year Working Capital to Net Assets ratio for Spero Therapeutics Inc from 2015 to 2025, covering 11 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. Check financial resilience of Spero Therapeutics Inc to evaluate the company's liquid asset resilience ratio.
| Year | WC/NA Ratio | Working Capital (USD) | Net Assets | Current Assets | Current Liabilities | Change (pp) |
|---|---|---|---|---|---|---|
| 2025 | 99.0% | $58.42 Million | $59.02 Million | $67.29 Million | $8.87 Million | ▼ -27.2 pp |
| 2024 | 126.2% | $58.20 Million | $46.12 Million | $107.28 Million | $49.07 Million | ▲ +38.2 pp |
| 2023 | 88.0% | $94.06 Million | $106.89 Million | $131.21 Million | $37.15 Million | ▼ -27.2 pp |
| 2022 | 115.2% | $87.46 Million | $75.93 Million | $109.11 Million | $21.65 Million | ▼ -42.5 pp |
| 2021 | 157.7% | $139.20 Million | $88.29 Million | $157.87 Million | $18.67 Million | ▲ +63.1 pp |
| 2020 | 94.5% | $124.80 Million | $132.04 Million | $139.15 Million | $14.34 Million | ▲ +2.3 pp |
| 2019 | 92.2% | $68.75 Million | $74.57 Million | $95.41 Million | $26.66 Million | ▲ +3.2 pp |
| 2018 | 89.0% | $103.12 Million | $115.86 Million | $115.44 Million | $12.32 Million | ▼ -4.1 pp |
| 2017 | 93.1% | $79.13 Million | $84.96 Million | $87.29 Million | $8.16 Million | ▲ +15.3 pp |
| 2016 | 77.9% | $4.95 Million | $6.36 Million | $11.87 Million | $6.92 Million | ▼ -90.6 pp |
| 2015 | 168.5% | $-433.00K | $-257.00K | $5.99 Million | $6.42 Million | — |