Spero Therapeutics Inc (SPRO) — Net Asset Quality Index
Spero Therapeutics Inc (SPRO) has a Net Asset Quality Index of 85.6% as of December 2025. This metric measures the proportion of total assets financed by shareholders' equity — total assets of $68.92 Million minus total liabilities of $9.90 Million yields net assets of $59.02 Million. A higher index indicates a stronger, lower-leverage balance sheet. Read Spero Therapeutics Inc (SPRO) financial obligations for a breakdown of total debt and financial obligations.
Quality Index
Net Assets
Total Assets
Total Liabilities
Spero Therapeutics Inc Net Asset Quality Index Over Time (2015–2025)
This chart shows how Spero Therapeutics Inc's Net Asset Quality Index has evolved across 11 annual periods from 2015 to 2025. As of December 2025, the index stands at 85.6%, representing net assets of $59.02 Million against total assets of $68.92 Million USD. For live market cap and overall valuation, see SPRO market cap overview.
Annual Net Asset Quality Index for Spero Therapeutics Inc (2015–2025)
The table below presents the year-by-year Net Asset Quality Index for Spero Therapeutics Inc from 2015 to 2025, covering 11 annual filings. Each row shows total assets, total liabilities, net assets, the quality index percentage, and the change in percentage points compared to the prior year. Check Spero Therapeutics Inc strategic asset allocation index to assess the company's strategic physical and investment asset allocation.
| Year | Quality Index | Net Assets (USD) | Total Assets | Total Liabilities | Change (pp) |
|---|---|---|---|---|---|
| 2025 | 85.6% | $59.02 Million | $68.92 Million | $9.90 Million | ▲ +43.9 pp |
| 2024 | 41.7% | $46.12 Million | $110.54 Million | $64.42 Million | ▼ -16.9 pp |
| 2023 | 58.6% | $106.89 Million | $182.39 Million | $75.50 Million | ▼ -2.2 pp |
| 2022 | 60.8% | $75.93 Million | $124.80 Million | $48.87 Million | ▲ +9.2 pp |
| 2021 | 51.6% | $88.29 Million | $171.07 Million | $82.78 Million | ▼ -34.4 pp |
| 2020 | 86.0% | $132.04 Million | $153.45 Million | $21.41 Million | ▲ +15.8 pp |
| 2019 | 70.3% | $74.57 Million | $106.10 Million | $31.53 Million | ▼ -19.5 pp |
| 2018 | 89.8% | $115.86 Million | $129.01 Million | $13.15 Million | ▼ -1.1 pp |
| 2017 | 90.9% | $84.96 Million | $93.48 Million | $8.52 Million | ▲ +44.7 pp |
| 2016 | 46.2% | $6.36 Million | $13.77 Million | $7.41 Million | ▲ +49.8 pp |
| 2015 | -3.6% | $-257.00K | $7.18 Million | $7.43 Million | — |