Free cash flow has deteriorated sharply, with the quarterly deficit expanding from -$10.0M in 2024Q1 to -$20.9M in 2026Q2, indicating an accelerating pace of cash consumption.
Zura Bio Limited (ZURA) cash flow statement — 5-year operating, investing & financing cash flows
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 |
|---|
| Cash from Operations | -77.55M | -64.81M | -28.08M | -15.05M | -1.2M | -1.1M |
| Operating CF Margin % | - | - | - | - | - | - |
| Operating CF Growth % | -380.45% | -130.86% | -86.5% | -1152.41% | -9.46% | - |
| Net Income | -85.74M | -68.65M | -52.4M | -60.56M | -27.33M | 8.42M |
| Depreciation & Amortization | 61K | 49K | 9K | 0 | 0 | 0 |
| Stock-Based Compensation | 12.04M | 12.33M | 16.8M | 9.65M | 334K | 0 |
| Deferred Taxes | -2.75M | 0 | 0 | 0 | 0 | 0 |
| Other Non-Cash Items | -552K | -4.91M | 5.21M | 30.74M | 22.26M | -9.28M |
| Working Capital Changes | 1.4M | -3.63M | 2.31M | 5.12M | 3.54M | -235.6K |
| Change in Receivables | 0 | 0 | 0 | 0 | 0 | 2.87K |
| Change in Inventory | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | 2.45M | -2.16M | 4.21M | 0 | 288.29K | 0 |
| Cash from Investing | -86K | -113K | -5.08M | -8M | -12M | -139.38M |
| Capital Expenditures | -86K | -113K | -75K | -8M | -12M | 0 |
| CapEx % of Revenue | - | - | - | - | - | - |
| Acquisitions | 0 | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - |
| Other Investing | 0 | 0 | -5M | 0 | 0 | 0 |
| Cash from Financing | 128.28M | -2.16M | 109.84M | 121.29M | 14.77M | 141.21M |
| Debt Issued (Net) | -90K | 0 | 0 | -10M | 7.6M | -117.38K |
| Equity Issued (Net) | 135.7M | 5.2M | 60.76M | 116.41M | 10M | 140.82M |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | -7.33M | -7.37M | 49.09M | 14.89M | -2.83M | 505K |
| Net Change in Cash | 50.64M | -67.09M | 76.69M | 98.24M | 1.57M | 729.22K |
| Free Cash Flow | -77.63M | -64.93M | -28.15M | -23.05M | -13.2M | -1.1M |
| FCF Margin % | - | - | - | - | - | - |
| FCF Growth % | -77.68% | -130.64% | -22.11% | -74.63% | -1102.2% | - |
| FCF per Share | -0.61 | -0.69 | -0.37 | -0.70 | -0.77 | -0.06 |
| FCF Conversion (FCF/Net Income) | 0.91x | 0.94x | 0.54x | 0.25x | 0.05x | -0.13x |
| Interest Paid | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 0 | 0 | 0 | 0 |
Quick answers to the most common questions about buying ZURA stock.
Zura Bio Limited (ZURA) generated $-64.8M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Zura Bio Limited (ZURA) reported negative free cash flow of $64.9M in 2025, indicating capital requirements exceeded cash from operations.
Zura Bio Limited (ZURA) spent $0.1M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.
Key Metrics
Top Statement Risk
Pre-revenue cash burn
Metrics are mathematically derived from official filings.
Cash Burn Outpaces Net Losses
Operating cash flow has consistently been more negative than net income, with the OCF/NI ratio averaging 0.86 over the last ten quarters, indicating that cash consumption is accelerating relative to reported accounting losses.
The persistent gap where operating cash flow is more negative than net income suggests that non-cash items like stock-based compensation are not fully offsetting the cash outflows from operations. This pattern, seen in 8 of the last 10 quarters, implies the company's core operational activities are consuming cash at a rate faster than the net loss alone would indicate, a critical dynamic for a pre-revenue firm.
Accelerating Free Cash Flow Deficit
Free cash flow has deteriorated sharply, with the quarterly deficit expanding from -$10.0M in 2024Q1 to -$20.9M in 2026Q2, reflecting a significant increase in cash burn as development activities intensify.
The FCF trajectory shows a clear and concerning acceleration in cash consumption, with the deficit more than doubling over the past two years. This trend is driven by rising operating losses, as capital expenditures remain negligible, confirming that the burn is almost entirely operational. Investors should monitor this trajectory closely for signs of stabilization or further acceleration.
Volatile Working Capital Swings
Working capital changes have been erratic, swinging from a $2.5M use in 2024Q3 to a $3.6M source in 2026Q2, suggesting inconsistent management of receivables, inventory, or payables in the absence of revenue.
The lack of a consistent pattern in working capital movements is notable for a pre-revenue company. The large positive swing in 2026Q2 provided a temporary cushion to operating cash flow, but the volatility indicates that these movements are not a reliable source of cash and may reflect timing of payments or accruals rather than operational efficiency.
Minimal Capital Deployment
Capital deployment has been minimal, with no dividends, negligible buybacks, and no acquisitions, as the company conserves its cash resources for core pipeline development activities.
The absence of shareholder returns or strategic acquisitions is expected for a clinical-stage biotech. The only notable deployment was a minor $34K share repurchase in 2025Q2. This conservative posture focuses all available capital on R&D, but it also means the company's value is entirely dependent on the success of its pipeline, with no financial engineering to support the stock.
Stock-Based Compensation Mask
Stock-based compensation, which reached $5.0M in 2026Q1, is a significant non-cash add-back that inflates operating cash flow relative to the underlying economic loss, obscuring the true cash cost of operations.
While SBC is a standard non-cash expense, its magnitude relative to the net loss is substantial. In 2026Q1, SBC of $5.0M represented over 20% of the net loss, meaning a meaningful portion of the 'improvement' from net income to operating cash flow is due to this non-cash charge. This adjustment does not represent actual cash generated and highlights the dilutive cost of funding operations through equity.