Spero Therapeutics, Inc. (SPRO) Balance Sheet
SPRO balance sheet, 2025
December 31, 2025 · U.S. dollars$68.9M assets = $9.9M liabilities + $59.0M equity
Both columns are drawn to the same scale: what SPRO owns equals what it owes plus shareholders’ equity. Hover a block for its value.
SPRO financial health
Descriptive bands, not a rating. Fiscal 2025.
SPRO balance sheet trends, 2016–2025
| Metric | Trend | Then | Latest | Change |
|---|---|---|---|---|
| Total assets | $13.8M2016 | $68.9M2025 | +19.6%/yr | |
| Total liabilities | $7.4M2016 | $9.9M2025 | +3.3%/yr | |
| Shareholders’ equity | $10.2M2016 | $59.0M2025 | +21.6%/yr | |
| Cash & short-term investments | $10.3M2016 | $40.3M2025 | +16.3%/yr | |
| Total debt | $223,0002017 | $2.9M2025 | +37.8%/yr | |
| Net cash (debt) | $87.1M2017 | $37.4M2025 | −$49.7M | |
| Working capital | $5.0M2016 | $58.4M2025 | +$53.5M | |
| Book value per share | $7.242018 | $1.002025 | −24.6%/yr | |
| Current ratio | 1.722016 | 7.592025 | +5.87 | |
| Debt / equity | 0.002017 | 0.052025 | +0.05 | |
| Shares outstanding | 16.0M2018 | 59.0M2025 | +20.5%/yr |
Change is the average annual growth (CAGR) or the difference between the first and latest year.
SPRO assets
SPRO liabilities and equity
SPRO debt vs cash
Debt includes short- and long-term borrowings and, where reported, lease obligations.
SPRO balance sheet
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Assets | ||||||||||
| Cash & short-term investments | $40.3M | $52.9M | $76.3M | $109.1M | $146.4M | $126.9M | $82.0M | $115.4M | $87.3M | $10.3M |
| Cash & equivalents | $40.3M | $52.9M | $76.3M | $109.1M | $112.6M | $85.2M | $29.7M | $34.1M | $87.3M | $10.3M |
| Short-term investments | — | — | — | $0 | $33.8M | $41.7M | $52.3M | $81.4M | $0 | — |
| Receivables | $25.4M | $52.5M | $50.7M | $1.1M | $2.6M | $6.2M | $10.2M | $1.3M | $2.9M | $304,000 |
| Inventory | $0 | $0 | $1 | −$4.5M | −$361,000 | −$12.2M | −$13.4M | −$8.8M | −$4.8M | $0 |
| Other current assets | $1.6M | $1.9M | $4.2M | $3.4M | $9.2M | $18.3M | $16.5M | $7.5M | $1.8M | $1.3M |
| Total current assets | $67.3M | $107.3M | $131.2M | $109.1M | $157.9M | $139.1M | $95.4M | $115.4M | $87.3M | $11.9M |
| Property, plant & equipment (net) | $1.5M | $3.1M | $4.2M | $5.5M | $7.6M | $8.8M | $7.1M | $2.9M | $1.2M | $1.5M |
| Goodwill & intangible assets | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Long-term investments | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Other non-current assets | $153,000 | $153,000 | $47.0M | $10.2M | $5.6M | $5.5M | $3.5M | $10.7M | $5.0M | $400,000 |
| Total assets | $68.9M | $110.5M | $182.4M | $124.8M | $171.1M | $153.5M | $106.1M | $129.0M | $93.5M | $13.8M |
| Liabilities | ||||||||||
| Accounts payable | $693,000 | $7.3M | $1.4M | $617,000 | $1.1M | $1.2M | $4.1M | $3.6M | $3.5M | $1.1M |
| Short-term debt | $2.0M | $1.7M | $1.7M | $1.7M | $1.4M | $947,000 | $928,000 | $223,000 | $223,000 | — |
| Deferred revenue | $258,000 | $22.1M | $27.1M | $10.4M | $1.9M | — | — | — | — | — |
| Total current liabilities | $8.9M | $49.1M | $37.2M | $21.6M | $18.7M | $14.3M | $26.7M | $12.3M | $8.2M | $6.9M |
| Long-term debt | $0 | $0 | $0 | $0 | $0 | $177,000 | $249,000 | $0 | $0 | $0 |
| Lease obligations | $2.9M | $4.3M | $5.5M | $6.6M | $7.3M | $7.8M | $5.5M | — | — | — |
| Other long-term liabilities | $1.0M | $15.3M | $38.3M | $27.2M | $64.1M | $6.9M | $4.6M | $833,000 | $365,000 | $493,000 |
| Total liabilities | $9.9M | $64.4M | $75.5M | $48.9M | $82.8M | $21.4M | $31.5M | $13.2M | $8.5M | $7.4M |
| Shareholders' equity | ||||||||||
| Common stock & paid-in capital | $56,000 | $55,000 | $53,000 | $52,000 | $32,000 | $29,000 | $19,000 | $17,000 | $181.4M | $7.9M |
| Retained earnings (deficit) | −$451.1M | −$459.6M | −$391.1M | −$413.9M | −$367.5M | −$277.7M | −$199.4M | −$138.5M | −$96.8M | −$45.4M |
| Treasury stock | — | — | — | — | — | — | — | — | $0 | — |
| Accumulated other comprehensive income | — | — | — | — | −$2,000 | −$7,000 | $16,000 | −$28,000 | −$643,000 | −$290,000 |
| Minority interest | — | — | — | — | — | — | — | $355,000 | $355,000 | — |
| Total shareholders' equity | $59.0M | $46.1M | $106.9M | $75.9M | $88.3M | $132.0M | $74.6M | $115.9M | $85.0M | $10.2M |
| Key figures | ||||||||||
| Total debt | $2.9M | $4.3M | $5.5M | $6.6M | $7.3M | $7.8M | $5.5M | $223,000 | $223,000 | — |
| Net cash (debt) | $37.4M | $48.6M | $70.8M | $102.5M | $139.1M | $119.1M | $76.5M | $115.2M | $87.1M | — |
| Working capital | $58.4M | $58.2M | $94.1M | $87.5M | $139.2M | $124.8M | $68.8M | $103.1M | $79.1M | $5.0M |
| Tangible book value | $59.0M | $46.1M | $106.9M | $75.9M | $88.3M | $132.0M | $74.6M | $115.9M | $85.0M | $10.2M |
| Book value per share | $1.00 | $0.85 | $2.02 | $2.02 | $2.86 | $5.90 | $4.11 | $7.24 | — | — |
| Shares outstanding | 59.0M | 54.0M | 53.0M | 37.6M | 30.9M | 22.4M | 18.2M | 16.0M | — | — |
| Current ratio | 7.59 | 2.19 | 3.53 | 5.04 | 8.46 | 9.70 | 3.58 | 9.37 | 10.70 | 1.72 |
| Quick ratio | 7.40 | 2.15 | 3.42 | 5.09 | 7.98 | 9.28 | 3.46 | 9.48 | 11.06 | 1.53 |
| Debt / equity | 0.05 | 0.09 | 0.05 | 0.09 | 0.08 | 0.06 | 0.07 | 0.00 | 0.00 | — |
| Equity / assets | 85.6% | 41.7% | 58.6% | 60.8% | 51.6% | 86.0% | 70.3% | 89.8% | 90.9% | 73.8% |
| Jun '26 | Mar '26 | Dec '25 | Sep '25 | Jun '25 | Mar '25 | Dec '24 | Sep '24 | Jun '24 | Mar '24 | Dec '23 | Sep '23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Assets | ||||||||||||
| Cash & short-term investments | $50.8M | $56.1M | $40.3M | $48.6M | $31.2M | $48.9M | $52.9M | $76.3M | $63.5M | $82.3M | $76.3M | $93.8M |
| Cash & equivalents | $50.8M | $56.1M | $40.3M | $48.6M | $31.2M | $48.9M | $52.9M | $76.3M | $63.5M | $82.3M | $76.3M | $93.8M |
| Receivables | $25,000 | $44,000 | $25.4M | $2.5M | $24.5M | $24.3M | $52.5M | $53.3M | $50.8M | $54.2M | $50.7M | $3.0M |
| Inventory | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $1 | $1 | $0 |
| Other current assets | $785,000 | $1.4M | $1.6M | $1.2M | $3.8M | $1.5M | $1.9M | $2.1M | $7.9M | $3.7M | $4.2M | $5.4M |
| Total current assets | $51.6M | $57.6M | $67.3M | $52.3M | $59.4M | $74.7M | $107.3M | $131.6M | $122.2M | $140.2M | $131.2M | $102.2M |
| Property, plant & equipment (net) | $1.0M | $1.3M | $1.5M | $1.7M | $2.6M | $2.8M | $3.1M | $3.4M | $3.6M | $3.9M | $4.2M | $4.4M |
| Goodwill & intangible assets | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Long-term investments | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Other non-current assets | $153,000 | $153,000 | $153,000 | $153,000 | $153,000 | $153,000 | $153,000 | $153,000 | $24.0M | $23.6M | $47.0M | $434,000 |
| Total assets | $52.8M | $59.0M | $68.9M | $54.2M | $62.1M | $77.7M | $110.5M | $135.2M | $149.9M | $167.7M | $182.4M | $107.1M |
| Liabilities | ||||||||||||
| Accounts payable | $155,000 | $217,000 | $693,000 | $1.4M | $780,000 | $1.8M | $7.3M | $6.1M | $2.7M | $3.1M | $1.4M | $1.1M |
| Short-term debt | $2.0M | $2.0M | $2.0M | $1.9M | $1.8M | $1.8M | $1.7M | $1.7M | $1.7M | $1.7M | $1.7M | $1.7M |
| Deferred revenue | — | — | $258,000 | $2.4M | $5.4M | $17.2M | $22.1M | $25.8M | $30.8M | $31.3M | $27.1M | $13.9M |
| Total current liabilities | $8.4M | $5.5M | $8.9M | $13.6M | $14.9M | $29.2M | $49.1M | $49.1M | $45.6M | $41.8M | $37.2M | $25.5M |
| Long-term debt | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Lease obligations | $2.0M | $2.5M | $2.9M | $3.4M | $3.6M | $4.0M | $4.3M | $4.6M | $4.9M | $5.2M | $5.5M | $5.8M |
| Other long-term liabilities | $134,000 | $598,000 | $1.0M | $14.0M | $14.3M | $14.7M | $15.3M | $20.6M | $23.7M | $29.6M | $38.3M | $27.9M |
| Total liabilities | $8.6M | $6.1M | $9.9M | $27.7M | $29.3M | $43.9M | $64.4M | $69.7M | $69.4M | $71.5M | $75.5M | $53.4M |
| Shareholders' equity | ||||||||||||
| Common stock & paid-in capital | $58,000 | $58,000 | $56,000 | $56,000 | $56,000 | $56,000 | $55,000 | $54,000 | $54,000 | $54,000 | $53,000 | $53,000 |
| Retained earnings (deficit) | −$467.8M | −$458.3M | −$451.1M | −$482.6M | −$475.2M | −$473.5M | −$459.6M | −$438.8M | −$421.6M | −$403.7M | −$391.1M | −$442.3M |
| Accumulated other comprehensive income | — | — | — | — | — | — | — | — | $0 | — | — | $0 |
| Total shareholders' equity | $44.2M | $52.9M | $59.0M | $26.5M | $32.8M | $33.8M | $46.1M | $65.5M | $80.5M | $96.2M | $106.9M | $53.7M |
| Key figures | ||||||||||||
| Total debt | $2.0M | $2.5M | $2.9M | $3.4M | $3.6M | $4.0M | $4.3M | $4.6M | $4.9M | $5.2M | $5.5M | $5.8M |
| Net cash (debt) | $48.7M | $53.7M | $37.4M | $45.3M | $27.6M | $44.9M | $48.6M | $71.7M | $58.6M | $77.0M | $70.8M | $88.0M |
| Working capital | $43.2M | $52.1M | $58.4M | $38.7M | $44.5M | $45.6M | $58.2M | $82.5M | $76.6M | $98.3M | $94.1M | $76.8M |
| Tangible book value | $44.2M | $52.9M | $59.0M | $26.5M | $32.8M | $33.8M | $46.1M | $65.5M | $80.5M | $96.2M | $106.9M | $53.7M |
| Book value per share | $0.76 | $0.92 | $0.99 | $0.47 | $0.59 | $0.61 | $0.85 | $1.21 | $1.49 | $1.80 | $2.01 | $1.02 |
| Shares outstanding | 58.0M | 57.3M | 59.4M | 56.3M | 56.0M | 55.4M | 54.0M | 54.1M | 54.0M | 53.5M | 53.1M | 52.7M |
| Current ratio | 6.12 | 10.50 | 7.59 | 3.83 | 3.97 | 2.56 | 2.19 | 2.68 | 2.68 | 3.35 | 3.53 | 4.01 |
| Quick ratio | 6.03 | 10.23 | 7.40 | 3.74 | 3.72 | 2.51 | 2.15 | 2.64 | 2.50 | 3.26 | 3.42 | 3.80 |
| Debt / equity | 0.05 | 0.05 | 0.05 | 0.13 | 0.11 | 0.12 | 0.09 | 0.07 | 0.06 | 0.05 | 0.05 | 0.11 |
| Equity / assets | 83.8% | 89.7% | 85.6% | 48.9% | 52.8% | 43.5% | 41.7% | 48.5% | 53.7% | 57.4% | 58.6% | 50.1% |
Quarterly columns are labeled by the month the quarter ended. Figures in U.S. dollars as reported (latest annual report filed March 26, 2026); data from EODHD.
SPRO financial position
At the end of fiscal 2025 (December 31, 2025), Spero Therapeutics had total assets of $68.9 million (down 37.7% from a year earlier), total liabilities of $9.9 million and shareholders' equity of $59.0 million. It held $40.3 million in cash and short-term investments against $2.9 million of debt, a net cash position of $37.4 million. Its current ratio was 7.59. In the latest quarter (ended June 30, 2026) total assets were $52.8 million and equity $44.2 million.
Related: SPRO income statement, SPRO cash flow statement, SPRO key metrics. See the SPRO stock overview for the latest quote and news.
SPRO balance sheet FAQ
What are Spero Therapeutics's total assets?
Spero Therapeutics reported total assets of $68.9 million at the end of fiscal 2025 (December 31, 2025), compared with $110.5 million a year earlier.
How much debt does Spero Therapeutics have?
Spero Therapeutics had $2.9 million of total debt at the end of fiscal 2025, including short-term borrowings and lease obligations. Its debt-to-equity ratio was 0.05.
How much cash does Spero Therapeutics have?
Spero Therapeutics held $40.3 million in cash and short-term investments at the end of fiscal 2025; with $2.9 million of debt that is net cash of $37.4 million.
What is Spero Therapeutics's book value?
Spero Therapeutics's shareholders' equity (book value) was $59.0 million at the end of fiscal 2025, or $1.00 per share.
What is Spero Therapeutics's current ratio?
Spero Therapeutics had current assets of $67.3 million and current liabilities of $8.9 million, a current ratio of 7.59 (it can cover its short-term obligations).