Upstream Bio (UPB) | Financial Analysis & Statements
Upstream Bio Inc. Small-cap Healthcare
TL;DR: Financial Overview - Revenue, Profits & Key Metrics
Latest Quarterly: Dec 2025Income Metrics
Revenue
668.0K
Operating Income
-46.2M
-6,911.23%
Net Income
-42.5M
-6,356.14%
Balance Sheet Metrics
Total Assets
353.8M
Total Liabilities
14.0M
Shareholders Equity
339.8M
Debt to Equity
0.04
Cash Flow Metrics
Operating Cash Flow
-41.1M
Free Cash Flow
-30.7M
Revenue & Profitability Trend
Quarter Income Flow
Dec 31, 2025
Annual Income Flow
2025
Upstream Bio Income Statement From 2022 to 2025
| Metric | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|
| Revenue | 2.9M | 2.4M | 2.4M | 1.2M |
| Cost of Goods Sold | - | - | - | - |
| Gross Profit | - | - | - | - |
| Gross Margin % | 0.0% | 0.0% | 0.0% | 0.0% |
| Operating Expenses | ||||
| Research & Development | 136.8M | 63.0M | 31.8M | 18.7M |
| Selling, General & Administrative | 26.4M | 17.2M | 10.7M | 6.5M |
| Other Operating Expenses | - | - | - | - |
| Total Operating Expenses | 163.2M | 80.1M | 42.5M | 25.1M |
| Operating Income | -160.4M | -77.8M | -40.1M | -23.9M |
| Operating Margin % | -5,618.8% | -3,281.2% | -1,685.5% | -1,972.7% |
| Non-Operating Items | ||||
| Interest Income | 16.9M | 12.1M | 4.2M | 205.0K |
| Interest Expense | - | - | - | - |
| Other Non-Operating Income | -15.0K | 2.8M | 15.4M | -164.0K |
| Pre-tax Income | -143.4M | -62.8M | -20.5M | -23.9M |
| Income Tax | - | - | - | - |
| Effective Tax Rate % | 0.0% | 0.0% | 0.0% | 0.0% |
| Net Income | -143.4M | -62.8M | -20.5M | -23.9M |
| Net Margin % | -5,026.0% | -2,650.0% | -862.9% | -1,969.3% |
| Key Metrics | ||||
| EBITDA | -160.2M | -77.7M | -40.1M | -23.9M |
| EPS (Basic) | $-2.66 | $-1.17 | $-1.05 | $-0.66 |
| EPS (Diluted) | $-2.66 | $-1.17 | $-1.05 | $-0.66 |
| Basic Shares Outstanding | 53852752 | 53603398 | 36323322 | 36323322 |
| Diluted Shares Outstanding | 53852752 | 53603398 | 36323322 | 36323322 |
Income Statement Trend
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Upstream Bio Balance Sheet From 2022 to 2025
| Metric | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|
| Assets | ||||
| Current Assets | ||||
| Cash & Equivalents | 101.6M | 325.9M | 25.8M | 17.1M |
| Short-term Investments | 239.9M | 144.6M | 84.0M | 0 |
| Accounts Receivable | 668.0K | 613.0K | 98.0K | 412.0K |
| Inventory | - | - | - | - |
| Other Current Assets | 727.0K | 494.0K | 370.0K | 233.0K |
| Total Current Assets | 351.8M | 479.2M | 117.0M | 18.3M |
| Non-Current Assets | ||||
| Property, Plant & Equipment | 1.2M | 1.8M | 43.0K | 89.0K |
| Goodwill | - | - | - | - |
| Intangible Assets | - | - | - | - |
| Long-term Investments | - | - | - | - |
| Other Non-Current Assets | 194.0K | 194.0K | - | 7.0K |
| Total Non-Current Assets | 2.0M | 2.6M | 202.0K | 171.0K |
| Total Assets | 353.8M | 481.7M | 117.2M | 18.5M |
| Liabilities | ||||
| Current Liabilities | ||||
| Accounts Payable | 2.7M | 4.0M | 2.0M | 712.0K |
| Short-term Debt | 720.0K | 704.0K | 45.0K | 87.0K |
| Current Portion of Long-term Debt | - | - | - | - |
| Other Current Liabilities | - | - | - | - |
| Total Current Liabilities | 13.5M | 10.7M | 6.5M | 4.9M |
| Non-Current Liabilities | ||||
| Long-term Debt | 549.0K | 1.1M | 0 | 7.0K |
| Deferred Tax Liabilities | - | - | - | - |
| Other Non-Current Liabilities | - | - | - | - |
| Total Non-Current Liabilities | 549.0K | 1.1M | 233.8M | 119.8M |
| Total Liabilities | 14.0M | 11.9M | 240.3M | 124.6M |
| Equity | ||||
| Common Stock | 54.0K | 53.0K | 3.0K | 3.0K |
| Retained Earnings | -334.2M | -190.8M | -128.0M | -107.4M |
| Treasury Stock | - | - | - | - |
| Other Equity | - | - | - | - |
| Total Shareholders Equity | 339.8M | 469.9M | -123.1M | -106.2M |
| Key Metrics | ||||
| Total Debt | 1.3M | 1.8M | 45.0K | 94.0K |
| Working Capital | 338.3M | 468.4M | 110.5M | 13.5M |
Balance Sheet Composition
Upstream Bio Cash Flow Statement From 2022 to 2025
| Metric | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|
| Operating Activities | ||||
| Net Income | -143.4M | -62.8M | -20.5M | -23.9M |
| Depreciation & Amortization | 188.0K | 89.0K | 60.0K | 7.0K |
| Stock-Based Compensation | 10.3M | 6.0M | 3.4M | 1.3M |
| Working Capital Changes | -1.9M | 1.4M | 1.5M | -24.0K |
| Operating Cash Flow | -134.3M | -58.0M | -30.9M | -22.5M |
| Investing Activities | ||||
| Capital Expenditures | -165.0K | -511.0K | -144.0K | -82.0K |
| Acquisitions | - | - | - | - |
| Investment Purchases | -385.9M | -290.6M | -129.0M | 0 |
| Investment Sales | 292.6M | 231.6M | 46.3M | 0 |
| Investing Cash Flow | -93.5M | -59.5M | -82.8M | -82.0K |
| Financing Activities | ||||
| Share Repurchases | - | - | - | - |
| Dividends Paid | - | - | - | - |
| Debt Issuance | - | - | - | - |
| Debt Repayment | - | - | - | - |
| Financing Cash Flow | -34.0K | 418.8M | 129.4M | 10.0M |
| Free Cash Flow | -133.4M | -59.7M | -38.1M | -19.1M |
| Net Change in Cash | -227.8M | 301.2M | 15.7M | -12.6M |
Cash Flow Trend
Upstream Bio Key Financial Ratios
Valuation Ratios
P/E Ratio (TTM)
-3.50
Forward P/E
-2.88
Price to Book
1.48
Price to Sales
177.33
PEG Ratio
-0.04
Profitability Ratios
Profit Margin
0.00%
Operating Margin
-6,911.23%
Return on Equity
-35.44%
Return on Assets
-23.99%
Financial Health
Current Ratio
26.15
Debt to Equity
0.37
Per Share Data
EPS (TTM)
$-2.66
Book Value per Share
$6.26
Revenue per Share
$0.05
Peer Financial Comparison
| Company | Market Cap | P/E Ratio | P/B Ratio | ROE | Profit Margin | Debt/Equity |
|---|---|---|---|---|---|---|
| UPB | 506.1M | -3.50 | 1.48 | -35.44% | 0.00% | 0.37 |
| Vertex | 109.4B | 28.40 | 5.92 | 22.54% | 32.94% | 10.91 |
| Regeneron | 81.0B | 18.00 | 2.45 | 14.86% | 31.41% | 9.51 |
| Capricor | 2.0B | -15.61 | 6.62 | -46.56% | 0.00% | 4.75 |
| Zymeworks | 2.0B | 3.79 | 7.32 | -26.72% | -76.56% | 6.80 |
| Amylyx | 1.9B | 2.54 | 6.31 | -61.59% | 0.00% | 1.95 |
Financial data is updated regularly. All figures are in the company's reporting currency.






