Free cash flow generation is highly erratic, ranging from -$29.3M to $46.5M over the last ten quarters, with the most recent quarter showing a near-breakeven $499K, indicating an unstable cash conversion profile driven by volatile working capital swings.
Onterris, Inc. (ONT) cash flow statement — 8-year operating, investing & financing cash flows
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 |
|---|
| Cash from Operations | 87.34M | 107.48M | 22.23M | 56.02M | 20.65M | 37.58M | 1.85M | 17.04M | -2.85M |
| Operating CF Margin % | - | 12.94% | 3.19% | 8.97% | 3.79% | 6.88% | 0.56% | 7.29% | -1.51% |
| Operating CF Growth % | -275.54% | 383.36% | -60.31% | 171.31% | -45.05% | 1931.41% | -89.14% | 699.02% | - |
| Net Income | -10.56M | -843K | -62.31M | -30.86M | -31.82M | -25.32M | -57.95M | -23.56M | -16.49M |
| Depreciation & Amortization | 49.83M | 50.91M | 64.33M | 55.97M | 56.77M | 52.96M | 37.27M | 27.7M | 23.91M |
| Stock-Based Compensation | 37.36M | 42.72M | 64.67M | 47.27M | 43.29M | 10.32M | 4.85M | 4.34M | 5.79M |
| Deferred Taxes | 12.24M | 9.9M | 4.29M | -980K | 2.25M | 1.71M | 851K | -3.12M | -4.97M |
| Other Non-Cash Items | 17.07M | 1.81M | 3.73M | -1.6M | -26.83M | 15.93M | 33.49M | 13.99M | 756K |
| Working Capital Changes | -18.61M | 2.97M | -52.47M | -13.78M | -23.01M | -18.02M | -16.67M | -2.33M | -11.85M |
| Change in Receivables | 34.88M | -10.07M | -41.98M | -2.92M | 4.39M | -36.16M | -19.2M | -6.59M | -10M |
| Change in Inventory | 0 | 0 | 0 | 0 | 0 | 0 | 19.2M | 0 | -11.29M |
| Change in Payables | -11.64M | 8.35M | 3.8M | -8.91M | -9.88M | 24M | 601K | 6.08M | -2.2M |
| Cash from Investing | -18.84M | -15.84M | -138.04M | -101.62M | -38.69M | -71.64M | -179.74M | -86.98M | -50.28M |
| Capital Expenditures | -16.52M | -17.01M | -21.33M | -29.58M | -10M | -6.88M | -7.78M | -4.69M | -4.11M |
| CapEx % of Revenue | 2.2% | 2.05% | 3.06% | 4.74% | 1.84% | 1.26% | 2.37% | 2.01% | 2.18% |
| Acquisitions | 804K | 712K | -113.09M | -66.19M | -28.63M | -55.73M | -171.98M | -81.37M | -45.84M |
| Investments | - | - | - | - | - | - | - | - | - |
| Other Investing | -3.13M | 458K | -3.63M | -5.86M | -60K | -9.03M | 20K | -921K | -339K |
| Cash from Financing | -54.46M | -93.12M | 106M | -20.11M | -38.76M | 146.1M | 205.9M | 74.45M | 50.85M |
| Debt Issued (Net) | 29.52M | 56.39M | 53.94M | -6.45M | -12.72M | -1.62M | 24.37M | 73.93M | -29.21M |
| Equity Issued (Net) | -28.05M | -123.58M | 61.78M | 0 | 1.46M | 169.78M | 199.38M | 0 | -2.72M |
| Dividends Paid | 0 | -4.15M | -11.06M | -16.4M | -16.4M | -16.4M | -6.97M | 0 | 0 |
| Share Repurchases | -29.99M | -122.23M | 0 | 0 | 0 | 0 | -131.82M | 0 | -2.72M |
| Other Financing | -55.93M | -21.78M | 1.35M | 2.74M | -11.11M | -5.66M | -10.87M | 518K | 82.78M |
| Net Change in Cash | 5.99M | -1.71M | -10.3M | -66.59M | -56.91M | 111.86M | 28M | 4.39M | -2.28M |
| Free Cash Flow | 69.75M | 91.16M | 902K | 23.09M | 10.65M | 30M | -5.93M | 12.33M | -6.95M |
| FCF Margin % | 9.28% | 10.98% | 0.13% | 3.7% | 1.96% | 5.49% | -1.81% | 5.27% | -3.68% |
| FCF Growth % | -5.58% | 10006.32% | -96.09% | 116.89% | -64.51% | 606.19% | -148.07% | 277.29% | - |
| FCF per Share | 1.83 | 2.60 | 0.03 | 0.77 | 0.36 | 1.12 | -0.36 | 0.49 | -0.33 |
| FCF Conversion (FCF/Net Income) | -6.61x | -127.49x | -0.36x | -1.82x | -0.65x | -1.48x | -0.03x | -0.72x | 0.17x |
| Interest Paid | 14.28M | 17.88M | 14.78M | 8.06M | 6.51M | 5.01M | 11.95M | 5.89M | 7.92M |
| Taxes Paid | 6.48M | 5.5M | 4.19M | 997K | 789K | 412K | 171K | 1.21M | 596K |
Quick answers to the most common questions about buying ONT stock.
Onterris, Inc. (ONT) generated $107.5M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Onterris, Inc. (ONT) generated $91.2M in free cash flow in 2025. Free cash flow is the cash left over after capital expenditures, which can be used to pay dividends, repurchase shares, or pay down debt.
Onterris, Inc. (ONT) spent $17.0M 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, Onterris, Inc. (ONT) returned $4.2M to shareholders via cash dividends and spent $122.2M on share repurchases. This shows the company's commitment to returning capital to its equity investors.
Key Metrics
Top Statement Risk
Earnings quality and cash flow volatility
Metrics are mathematically derived from official filings.
Earnings Quality Masked by Non-Cash Charges
The relationship between net income and operating cash flow is highly erratic, with the OCF/NI ratio swinging from -6.32 to 4.51 over the last ten quarters, suggesting that reported earnings are a poor proxy for underlying cash generation.
The extreme volatility in the OCF/NI ratio indicates that non-cash items, particularly stock-based compensation and depreciation, are the primary drivers of operating cash flow, not core profitability. For instance, in 2025Q4, a net loss of $8.2M translated to $51.9M in operating cash flow, a divergence almost entirely explained by $11.9M in D&A and $8.9M in SBC. This pattern suggests that investors should focus on operating cash flow as the more reliable measure of performance, as net income is heavily distorted by non-cash accounting charges.
FCF Volatility Undermines Growth Narrative
Free cash flow has been highly inconsistent, ranging from a negative $29.3M in 2024Q1 to a positive $46.5M in 2025Q4, with the most recent quarter showing a near-breakeven $499K, indicating an unstable cash generation profile.
The FCF trajectory does not support a stable growth story. The company swung from burning cash in early 2024 to generating significant FCF in late 2025, only to see it collapse again in 2026Q1. This volatility appears driven by large swings in working capital rather than consistent operational performance. The recent return to minimal FCF in 2026Q2, despite a small net profit, suggests that the cash generation achieved in 2025 may not be sustainable.
Working Capital Swings Drive Cash Flow
Working capital changes have been the dominant factor in quarterly cash flow, with a massive $24.7M positive swing in 2025Q4 and a corresponding $19.2M negative swing in 2026Q1, indicating an unpredictable and lumpy cash conversion cycle.
The company's operating cash flow is being dictated by its working capital cycle rather than its core earnings. The large positive WC change in 2025Q4 was the primary reason for the strong $51.9M operating cash flow that quarter, masking the underlying net loss. Conversely, the negative WC change in 2026Q1 turned a modest operating loss into a significant cash burn. This pattern suggests that Montrose's project-based business model leads to highly irregular collections and payment timings, making cash flow forecasting exceptionally difficult.
Aggressive Buybacks Amidst Cash Instability
The company has deployed significant capital to share repurchases, spending $122.2M over the last ten quarters, including $62.2M in 2025Q3 alone, which appears aggressive given its volatile cash generation and periodic cash burn.
The capital deployment strategy raises questions about financial discipline. The $62.2M buyback in 2025Q3 occurred in a quarter where net income was only $8.4M and was followed by a quarter of net loss. This suggests management may be prioritizing share count reduction over building a cash buffer for operational volatility. The lack of consistent dividend payments further highlights that shareholder returns are being executed through a more volatile mechanism, which may not be appropriate for a company with such an erratic cash flow profile.
Cash Flow Obscured by SBC and Acquisition Noise
Stock-based compensation, which totaled $9.6M in 2026Q2, is a significant non-cash add-back that inflates operating cash flow relative to economic earnings, while acquisition-related cash flows create further noise in the underlying trend.
The cash flow statement obscures the true economic cost of equity compensation. While SBC is added back to calculate operating cash flow, it represents a real dilution cost to shareholders that is not reflected in the cash metrics. Furthermore, the company's acquisition activity, such as the $58.1M cash outflow in 2024Q1, creates large, non-recurring cash movements that distort the view of organic cash generation. Investors should adjust for both SBC and acquisition-related cash flows to assess the sustainability of the core business's cash flow.