Sionna Therapeutics, Inc. (SION) Balance Sheet
SION balance sheet, 2025
December 31, 2025 · U.S. dollars$326.0M assets = $19.1M liabilities + $306.8M equity
Both columns are drawn to the same scale: what SION owns equals what it owes plus shareholders’ equity. Hover a block for its value.
SION financial health
Descriptive bands, not a rating. Fiscal 2025.
SION balance sheet trends, 2022–2025
| Metric | Trend | Then | Latest | Change |
|---|---|---|---|---|
| Total assets | $87.4M2022 | $326.0M2025 | +55.1%/yr | |
| Total liabilities | $157.3M2022 | $19.1M2025 | −50.5%/yr | |
| Shareholders’ equity | −$69.9M2022 | $306.8M2025 | — | |
| Cash & short-term investments | $82.6M2022 | $235.9M2025 | +41.9%/yr | |
| Total debt | $10.5M2023 | $8.7M2025 | −9.0%/yr | |
| Net cash (debt) | $28.0M2023 | $227.2M2025 | +$199.2M | |
| Working capital | $75.6M2022 | $229.7M2025 | +$154.1M | |
| Book value per share | −$1.582022 | $7.682025 | — | |
| Shares outstanding | 44.1M2022 | 40.0M2025 | −3.2%/yr |
Change is the average annual growth (CAGR) or the difference between the first and latest year.
SION assets
SION liabilities and equity
SION debt vs cash
Debt includes short- and long-term borrowings and, where reported, lease obligations.
SION balance sheet
| 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|
| Assets | ||||
| Cash & short-term investments | $235.9M | $147.5M | $38.5M | $82.6M |
| Cash & equivalents | $58.5M | $37.8M | $38.5M | $54.8M |
| Short-term investments | $177.4M | $109.8M | $0 | $27.8M |
| Receivables | $0 | $0 | $0 | $0 |
| Inventory | $0 | $0 | $0 | $0 |
| Other current assets | $5.5M | $3.5M | $686,000 | $1.2M |
| Total current assets | $241.4M | $151.0M | $39.2M | $83.8M |
| Property, plant & equipment (net) | $9.2M | $10.3M | $11.7M | $2.6M |
| Goodwill & intangible assets | $0 | $0 | $0 | $0 |
| Long-term investments | $74.4M | $20.5M | $0 | $0 |
| Other non-current assets | $963,000 | $4.0M | $1.0M | $962,000 |
| Total assets | $326.0M | $185.8M | $51.9M | $87.4M |
| Liabilities | ||||
| Accounts payable | $769,000 | $1.2M | $719,000 | $557,000 |
| Short-term debt | $1.3M | $1.1M | $728,000 | — |
| Total current liabilities | $11.7M | $10.4M | $8.0M | $8.3M |
| Long-term debt | $0 | $0 | $0 | $0 |
| Lease obligations | $8.7M | $9.7M | $10.5M | $0 |
| Other long-term liabilities | $7.4M | $339.0M | $158.8M | $149.0M |
| Total liabilities | $19.1M | $349.5M | $166.8M | $157.3M |
| Shareholders' equity | ||||
| Common stock & paid-in capital | $45,000 | $5,000 | $2,000 | $2,000 |
| Retained earnings (deficit) | −$256.4M | −$181.1M | −$119.4M | −$72.1M |
| Accumulated other comprehensive income | $540,000 | $368,000 | — | −$16,000 |
| Total shareholders' equity | $306.8M | −$163.7M | −$114.9M | −$69.9M |
| Key figures | ||||
| Total debt | $8.7M | $9.7M | $10.5M | — |
| Net cash (debt) | $227.2M | $137.8M | $28.0M | — |
| Working capital | $229.7M | $140.6M | $31.2M | $75.6M |
| Tangible book value | $306.8M | −$163.7M | −$114.9M | −$69.9M |
| Book value per share | $7.68 | −$3.71 | −$2.60 | −$1.58 |
| Shares outstanding | 40.0M | 44.1M | 44.1M | 44.1M |
| Current ratio | 20.61 | 14.49 | 4.88 | 10.16 |
| Quick ratio | 20.14 | 14.16 | 4.79 | 10.01 |
| Debt / equity | 0.03 | — | — | — |
| Equity / assets | 94.1% | −88.1% | −221.2% | −80.0% |
| Jun '26 | Mar '26 | Dec '25 | Sep '25 | Jun '25 | Mar '25 | Dec '24 | Sep '24 | Dec '23 | |
|---|---|---|---|---|---|---|---|---|---|
| Assets | |||||||||
| Cash & short-term investments | $211.0M | $216.2M | $235.9M | $248.3M | $262.6M | $269.7M | $147.5M | $137.5M | $38.5M |
| Cash & equivalents | $63.3M | $63.3M | $58.5M | $50.8M | $41.0M | $82.7M | $37.8M | $35.7M | $38.5M |
| Short-term investments | $147.7M | $152.8M | $177.4M | $197.5M | $221.6M | $187.0M | $109.8M | $101.7M | $0 |
| Receivables | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Inventory | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Other current assets | $5.1M | $4.8M | $5.5M | $4.0M | $4.2M | $4.0M | $3.5M | $2.9M | $686,000 |
| Total current assets | $216.1M | $221.0M | $241.4M | $252.3M | $266.7M | $273.7M | $151.0M | $140.3M | $39.2M |
| Property, plant & equipment (net) | $8.3M | $8.8M | $9.2M | $9.3M | $9.6M | $10.0M | $10.3M | $10.6M | $11.7M |
| Goodwill & intangible assets | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Long-term investments | $57.2M | $73.8M | $74.4M | $76.7M | $74.7M | $85.0M | $20.5M | $43.4M | $0 |
| Other non-current assets | $1.6M | $1.5M | $963,000 | $962,000 | $962,000 | $962,000 | $4.0M | $2.9M | $1.0M |
| Total assets | $283.2M | $305.0M | $326.0M | $339.3M | $352.0M | $369.7M | $185.8M | $197.3M | $51.9M |
| Liabilities | |||||||||
| Accounts payable | $523,000 | $2.1M | $769,000 | $1.5M | $914,000 | $5.0M | $1.2M | $104,000 | $719,000 |
| Short-term debt | $1.4M | $1.3M | $1.3M | $1.2M | $1.2M | $1.1M | $1.1M | $1.0M | $728,000 |
| Total current liabilities | $10.8M | $9.8M | $11.7M | $9.9M | $7.5M | $9.5M | $10.4M | $6.5M | $8.0M |
| Long-term debt | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Lease obligations | $8.1M | $8.4M | $8.7M | $9.0M | $9.2M | $9.5M | $9.7M | $10.0M | $10.5M |
| Other long-term liabilities | $6.7M | $7.1M | $7.4M | $7.8M | $8.1M | $8.4M | $339.0M | $339.3M | $158.8M |
| Total liabilities | $17.5M | $16.8M | $19.1M | $17.6M | $15.6M | $17.9M | $349.5M | $345.8M | $166.8M |
| Shareholders' equity | |||||||||
| Common stock & paid-in capital | $45,000 | $45,000 | $45,000 | $44,000 | $44,000 | $44,000 | $5,000 | $5,000 | $2,000 |
| Retained earnings (deficit) | −$313.0M | −$283.1M | −$256.4M | −$235.9M | −$215.6M | −$197.6M | −$181.1M | −$165.2M | −$119.4M |
| Accumulated other comprehensive income | −$448,000 | −$84,000 | $540,000 | $420,000 | $183,000 | $301,000 | $368,000 | $773,000 | — |
| Total shareholders' equity | $265.8M | $288.2M | $306.8M | $321.7M | $336.4M | $351.8M | −$163.7M | −$148.5M | −$114.9M |
| Key figures | |||||||||
| Total debt | $8.1M | $8.4M | $8.7M | $9.0M | $9.2M | $9.5M | $9.7M | $10.0M | $10.5M |
| Net cash (debt) | $203.0M | $207.8M | $227.2M | $239.4M | $253.3M | $260.2M | $137.8M | $127.5M | $28.0M |
| Working capital | $205.3M | $211.2M | $229.7M | $242.5M | $259.2M | $264.2M | $140.6M | $133.9M | $31.2M |
| Tangible book value | $265.8M | $288.2M | $306.8M | $321.7M | $336.4M | $351.8M | −$163.7M | −$148.5M | −$114.9M |
| Book value per share | $5.89 | $6.42 | $7.68 | $7.23 | $7.62 | $7.98 | −$3.71 | −$3.37 | −$2.60 |
| Shares outstanding | 45.1M | 44.9M | 40.0M | 44.5M | 44.1M | 44.1M | 44.1M | 44.1M | 44.1M |
| Current ratio | 20.05 | 22.60 | 20.61 | 25.61 | 35.33 | 28.73 | 14.49 | 21.66 | 4.88 |
| Quick ratio | 19.57 | 22.11 | 20.14 | 25.21 | 34.78 | 28.31 | 14.16 | 21.22 | 4.79 |
| Debt / equity | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | — | — | — |
| Equity / assets | 93.8% | 94.5% | 94.1% | 94.8% | 95.6% | 95.2% | −88.1% | −75.3% | −221.2% |
Quarterly columns are labeled by the month the quarter ended. Figures in U.S. dollars as reported (latest annual report filed March 2, 2026); data from EODHD.
SION financial position
At the end of fiscal 2025 (December 31, 2025), Sionna Therapeutics had total assets of $326.0 million (up 75.5% from a year earlier), total liabilities of $19.1 million and shareholders' equity of $306.8 million. It held $235.9 million in cash and short-term investments against $8.7 million of debt, a net cash position of $227.2 million. Its current ratio was 20.61. In the latest quarter (ended June 30, 2026) total assets were $283.2 million and equity $265.8 million.
Related: SION income statement, SION cash flow statement, SION key metrics. See the SION stock overview for the latest quote and news.
SION balance sheet FAQ
What are Sionna Therapeutics's total assets?
Sionna Therapeutics reported total assets of $326.0 million at the end of fiscal 2025 (December 31, 2025), compared with $185.8 million a year earlier.
How much debt does Sionna Therapeutics have?
Sionna Therapeutics had $8.7 million of total debt at the end of fiscal 2025, including short-term borrowings and lease obligations. Its debt-to-equity ratio was 0.03.
How much cash does Sionna Therapeutics have?
Sionna Therapeutics held $235.9 million in cash and short-term investments at the end of fiscal 2025; with $8.7 million of debt that is net cash of $227.2 million.
What is Sionna Therapeutics's book value?
Sionna Therapeutics's shareholders' equity (book value) was $306.8 million at the end of fiscal 2025, or $7.68 per share.
What is Sionna Therapeutics's current ratio?
Sionna Therapeutics had current assets of $241.4 million and current liabilities of $11.7 million, a current ratio of 20.61 (it can cover its short-term obligations).