Free cash flow remains deeply negative at -$44.0 million for 2026Q1, reflecting a high capital intensity with a CapEx-to-revenue ratio of 24.6%.
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 |
|---|
| Cash from Operations | -125.58M | -99.84M | -60.92M | -102M | -98.05M | -75.56M | -48.57M | -26.68M | -23.97M | -19.13M | -37.31M | -42.53M | -22.84M | -8.52M | -5.71M | -2.64M | -17.98K | -27.87K | -23.57K |
| Operating CF Margin % | - | -761.76% | -603.58% | -1313.12% | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Operating CF Growth % | -428.9% | -63.88% | 40.27% | -4.03% | -29.77% | -55.58% | -82.01% | -11.31% | -25.32% | 48.74% | 12.26% | -86.2% | -168.17% | -49.08% | -116.6% | -14567.66% | 35.48% | -18.25% | - |
| Net Income | -147.39M | -124.02M | -130.04M | -116.66M | -110.22M | -92.29M | -50.46M | -28.62M | -26.09M | -21.12M | -38.84M | -48.05M | -27.62M | -10.88M | -9.45M | -3.47M | -17.72K | -30.87K | -21.13K |
| Depreciation & Amortization | 1.99M | 1.93M | 3.42M | 4.29M | 1.25M | 50K | 27K | 26K | 54K | 70K | 206K | 161K | 36K | 17K | 14.33K | 9.3K | 0 | 0 | 0 |
| Stock-Based Compensation | 5.03M | 6.02M | 4.78M | 9.28M | 10.91M | 7.9M | 2.88M | 1.46M | 1.63M | 1.79M | 3.27M | 4.39M | 3.09M | 1.72M | 865.16K | 435.65K | 0 | 0 | 0 |
| Deferred Taxes | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.18M | 0 | 0 | 0 | 0 |
| Other Non-Cash Items | 6.63M | 7.69M | 55.14M | 1.12M | 0 | 3M | 1.36M | 0 | 1.63M | 1.5M | 133K | 3.06M | 608K | 51K | 1.41M | 53.38K | 0 | 0 | 0 |
| Working Capital Changes | 8.16M | 8.54M | 5.78M | -35K | -2K | 5.78M | -2.37M | 452K | 437K | 135K | -2.08M | 976K | 1.04M | 582K | 266.57K | 334.25K | -258 | 3K | -2.43K |
| Change in Receivables | -5.65M | -2.62M | -3.68M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | 3.82M | 1.73M | 3.74M | 61K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | 3.79M | 2.99M | 927K | -3.49M | -1.04M | 3.53M | 1.53M | 1.66M | 106K | 424K | -2.19M | 1.58M | 728K | -60K | 130.64K | 377.45K | -683 | 988 | 0 |
| Cash from Investing | -6.21M | -4.53M | -120K | -29.07M | -48.15M | -35.31M | -8.56M | -17K | -6K | 7.17M | 16.59M | -24.17M | -392K | -15K | -35.76K | 302 | 0 | 0 | 0 |
| Capital Expenditures | -5.05M | -3.37M | -120K | -7.89M | -48.15M | -35.31M | -8.56M | -17K | -6K | -5K | -66K | -238K | -319K | -15K | -35.67K | -2.76K | 0 | 0 | 0 |
| CapEx % of Revenue | 28.79% | 25.7% | 1.19% | 101.63% | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Acquisitions | 0 | 0 | 0 | -22.17M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 120K | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -1.16M | -1.16M | 0 | 999K | 0 | 0 | 0 | 0 | -6K | 7.17M | 45K | -120K | -73K | -15K | -90 | 3.07K | 0 | 0 | 0 |
| Cash from Financing | 185.2M | 214.53M | 134.87M | 36.52M | 87.84M | 212.49M | 123.11M | 12.92M | 23.54M | 18.52M | 20.5M | 47.69M | 53.22M | 14.95M | 7.49M | 2.61M | 10K | 0 | 50K |
| Debt Issued (Net) | 114.5K | -9.65M | -2.35M | 8.94M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 280K | 560K | 2M | 50K | 0 | 0 |
| Equity Issued (Net) | 90.7M | 224.18M | 140.19M | 4.97M | 87.8M | 212.39M | 113.21M | 12.82M | 23.54M | 18.5M | 20.5M | 47.69M | 0 | 0 | 6.93M | 612K | 0 | 0 | 50K |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | -451K | 0 | -3.27M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | -10.97M | -13.76M | 0 | -13.96M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | 94.39M | 0 | -2.97M | 22.6M | 40K | 98K | 10.35M | 101K | 3.27M | 14K | 0 | 9K | 53.22M | 14.67M | 0 | 0 | 1.34M | 0 | 0 |
| Net Change in Cash | 55.02M | 110.13M | 73.83M | -94.62M | -58.43M | 101.59M | 65.96M | -13.79M | -451K | 6.55M | -234K | -19.01M | 29.98M | 6.42M | 1.74M | -24.24K | -7.98K | -27.87K | 26.43K |
| Free Cash Flow | -132.65M | -103.21M | -61.05M | -109.9M | -146.2M | -110.86M | -57.13M | -26.7M | -23.98M | -19.13M | -37.38M | -42.77M | -23.16M | -8.53M | -5.75M | -2.64M | -17.98K | -27.87K | -23.57K |
| FCF Margin % | -755.58% | -787.46% | -604.77% | -1414.75% | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| FCF Growth % | -121.28% | -69.08% | 44.45% | 24.83% | -31.87% | -94.06% | -113.97% | -11.36% | -25.32% | 48.82% | 12.59% | -84.66% | -171.44% | -48.42% | -117.72% | -14583.03% | 35.48% | -18.25% | - |
| FCF per Share | -9.68 | -12.13 | -26.97 | -60.00 | -47.64 | -196973.74 | -22.31 | -33.20 | -147.55 | -489.34 | -1916.97 | -4549.57 | -4288.70 | -2942.07 | -5748.54 | -4400.50 | -179.82 | -278.69 | -235.68 |
| FCF Conversion (FCF/Net Income) | 0.90x | 0.81x | 0.47x | 0.87x | 0.89x | 0.82x | 0.96x | 0.93x | 0.82x | 0.91x | 0.96x | 0.89x | 0.83x | 0.78x | 604.54x | 0.76x | 1.01x | 0.90x | 1.12x |
| Interest Paid | -28K | 0 | 1.23M | 88K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 82K | 65K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Persistent cash burn dilution
According to the latest financial data, Tonix consistently reports operating cash outflows that closely track net losses, with the 2026Q1 operating cash flow of -$42.3 million highlighting a persistent inability to generate positive cash from operations despite the company's ongoing efforts to commercialize its migraine portfolio.
The tight correlation between net income and operating cash flow suggests that the company lacks significant non-cash accruals or working capital benefits to mask its underlying operational losses. Investors should interpret this as a sign that the current business model is fundamentally cash-consumptive, with no immediate path to self-funding.
As reported in recent quarterly filings, Tonix's free cash flow remains deeply negative, reaching -$44.0 million in 2026Q1, which underscores the company's reliance on external financing to sustain its broad R&D pipeline and commercial infrastructure investments without the benefit of meaningful internal cash generation.
The consistent negative free cash flow trajectory indicates that the company's capital requirements are expanding rather than contracting as it approaches late-stage clinical milestones. This trend warrants close monitoring, as it implies that the company's cash runway is being depleted at an accelerating rate.
Based on the provided cash flow statements, Tonix's capital expenditure intensity has surged, with the CapEx-to-revenue ratio reaching 24.6% in 2026Q1, reflecting the company's commitment to building out specialized manufacturing and clinical infrastructure necessary to support its diverse portfolio of vaccine and biologic candidates.
This increase in capital intensity suggests that the company is transitioning from purely research-based spending to more asset-heavy operational requirements. Such investments may indicate management's confidence in long-term manufacturing needs, but they simultaneously increase the company's fixed-cost burden and overall financial risk profile.
Analysis of recent quarterly data reveals significant volatility in working capital, with a -$4.6 million outflow in 2026Q1 following a $5.8 million inflow in 2025Q4, suggesting that the company's cash position is highly sensitive to the timing of inventory procurement and the settlement of trade payables.
The erratic nature of these working capital swings may indicate challenges in managing supply chain costs or potential inefficiencies in the collection cycle for its commercial migraine products. Investors should view this volatility as a potential source of liquidity risk during periods of high clinical trial activity.
As evidenced by the absence of dividends and the presence of periodic share repurchases despite negative cash flow, Tonix appears to be utilizing equity-based capital management strategies that may be intended to offset dilution, though these actions remain secondary to the primary need for ongoing R&D funding.
The company's capital deployment strategy appears constrained by its need to preserve cash for clinical development, making any share repurchases appear counterintuitive given the persistent cash burn. This suggests that management may be attempting to manage share count volatility, though the overall impact on shareholder value remains unclear.
Quick answers to the most common questions about buying TNXP stock.
Tonix Pharmaceuticals Holding Corp. (TNXP) generated $-99.8M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Tonix Pharmaceuticals Holding Corp. (TNXP) reported negative free cash flow of $103.2M in 2025, indicating capital requirements exceeded cash from operations.
Tonix Pharmaceuticals Holding Corp. (TNXP) spent $3.4M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.
In 2025, Tonix Pharmaceuticals Holding Corp. (TNXP) spent $13.8M on share repurchases. This shows the company's commitment to returning capital to its equity investors.