Free cash flow remains highly volatile, swinging from a negative 8.6% margin in 2025Q2 to a 16.6% margin in 2026Q4, largely driven by $121.2 million in working capital inflows.
| Metric | Mar'26 | Mar'25 | Mar'24 | Mar'23 | Mar'22 | Mar'21 | Mar'20 | Mar'19 | Mar'18 | Mar'17 | Mar'16 | Mar'15 | Mar'14 | Mar'13 | Mar'12 | Mar'11 | Mar'10 | Mar'09 | Mar'08 | Mar'07 | Mar'06 | Mar'05 | Mar'04 | Mar'03 | Mar'02 | Mar'01 | Mar'00 | Mar'99 | Mar'98 | Mar'97 |
|---|
| Cash from Operations | 448.38M | 25.77M | 20.78M | 127.8M | 216.16M | 216.16M | 20.35M | 127.6M | 59.69M | 127.9M | 35.76M | 80.52M | 62.93M | 26.67M | -26.03M | 40.72M | 56.61M | 74.6M | -1.35M | 9.43M | 48.24M | 66.4M | 38.39M | 32.59M | 93.95M | 8.31M | -10.1M | 86.6M | -4.2M | 6.4M |
| Operating CF Margin % | 15.08% | 1.02% | 0.69% | 4.96% | 9.9% | 15.12% | 1.42% | 10.18% | 5.35% | 12.65% | 3.44% | 8.6% | 9.21% | 4.51% | -4.37% | 8.39% | 9.8% | 8.72% | -0.2% | 1.53% | 6.65% | 8.61% | 6.22% | 5.6% | 17.1% | 1.22% | -1.91% | 16.81% | -1.04% | 2.56% |
| Operating CF Growth % | 1639.87% | 24.02% | -83.74% | -40.88% | 0% | 962.38% | -84.05% | 113.78% | -53.33% | 257.66% | -55.59% | 27.95% | 135.91% | 202.48% | -163.92% | -28.08% | -24.11% | 5634.12% | -114.3% | -80.46% | -27.35% | 72.98% | 17.81% | -65.32% | 1030.47% | 182.29% | -111.66% | 2161.9% | -165.63% | 1180% |
| Net Income | 71.73M | -27.98M | 193.74M | 127.7M | 121.39M | 121.39M | 52.95M | 70.76M | 47.21M | 35.03M | 39.6M | 38.9M | 49.42M | 41.07M | 44.02M | -18.01M | 12.16M | 48.02M | -23.42M | -85.02M | -69.29M | 9.3M | -2.25M | 2.34M | 12.59M | 46.19M | 35.7M | 37.2M | 27.4M | 19.6M |
| Depreciation & Amortization | 163.87M | 152.67M | 141.17M | 125.49M | 115.42M | 115.42M | 71.4M | 42.39M | 36.67M | 34.56M | 39.36M | 40.52M | 18.45M | 12.24M | 11.96M | 24.2M | 24.29M | 24.87M | 22.02M | 29.26M | 32.39M | 28.4M | 33.48M | 31.07M | 27.46M | 25.28M | 21M | 27M | 13M | 7.1M |
| Stock-Based Compensation | 5.06M | 10.56M | 11.25M | 5.09M | 1.36M | 1.36M | 6.25M | 9.85M | 8.28M | 6.81M | 2.64M | 4.32M | 7.32M | 3.79M | 4.86M | 2.85M | 3.27M | 2.36M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | -37.52M | -84.55M | -29.91M | -37.54M | -35.61M | -35.61M | -951K | 13.72M | 866K | 1.9M | -232K | 1M | -2.07M | 2.66M | 2.98M | 4.12M | -33.17M | -2.86M | -2.67M | 20.3M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10M | 8.8M |
| Other Non-Cash Items | -1.34M | -16.97M | -19.83M | 16.47M | 27.89M | 27.89M | 3.27M | -11.59M | -6.37M | -6.94M | -14.79M | -7.8M | -5.34M | -7.05M | -51.45M | 17.86M | 42.55M | 773K | 29.63M | 27.99M | 64.01M | 55M | 5M | 5.83M | 4.02M | 3.17M | 4.1M | 22.4M | -54.6M | -29.1M |
| Working Capital Changes | 246.59M | -7.97M | -275.64M | -109.41M | -14.3M | -14.3M | -112.57M | 2.46M | -26.96M | 56.54M | -30.81M | 3.58M | -4.86M | -26.03M | -38.4M | 9.69M | 7.51M | 1.43M | 4.88M | 16.89M | 21.13M | -26.29M | 2.15M | -6.66M | 49.88M | -66.33M | -70.9M | 0 | 0 | 0 |
| Change in Receivables | 284.11M | -57.76M | -50.52M | -209.41M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | 24.97M | 1.56M | -12.2M | -48.41M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | -46.51M | 42.13M | -69.92M | 129.24M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -76.04M | -268.44M | -341.98M | -109.02M | -797.47M | -797.47M | -109.8M | -192.06M | -23.38M | -17.81M | 8.87M | -346.67M | -121.26M | -17.23M | -3.51M | -101.07M | -29.15M | -10.07M | -22.07M | -49.92M | -48.26M | -54.61M | -77.95M | -61.66M | -50.98M | -105.05M | -27.2M | -65.9M | -85.2M | -34.1M |
| Capital Expenditures | -33.64M | -33.95M | -54.43M | -56.1M | -36.31M | -36.31M | -45.45M | -40.92M | -25.98M | -17.9M | -15.66M | -17.91M | -11.1M | -12.5M | -7.51M | -34.43M | -21.93M | -14.76M | -21.84M | -44.98M | -42.39M | -49.89M | -76M | -37.63M | -29.7M | -97.15M | -27.8M | -54.9M | -79.6M | -33.6M |
| CapEx % of Revenue | 1.13% | 1.34% | 1.79% | 2.18% | 1.66% | 2.54% | 3.18% | 3.26% | 2.33% | 1.77% | 1.51% | 1.91% | 1.62% | 2.11% | 1.26% | 7.1% | 3.8% | 1.73% | 3.29% | 7.32% | 5.84% | 6.47% | 12.32% | 6.47% | 5.4% | 14.31% | 5.25% | 10.65% | 19.75% | 13.45% |
| Acquisitions | 0 | -179.39M | -253.52M | -51.68M | -745.02M | -745.02M | -53.37M | -156.35M | 2.59M | 84K | 2.2M | -359.81M | -137.41M | 0 | 0 | -67.65M | 0 | 0 | -3.84M | -1.48M | 461K | 0 | -650K | -14.7M | -5.32M | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -42.39M | -55.1M | -34.03M | -22.73M | -16.14M | -16.14M | -10.98M | 5.21M | 2.59M | 84K | 22.32M | 31.04M | 15.16M | -88K | 1.95M | 2.17M | 1.66M | 20.1M | 795K | 1.7M | 7.38M | 10.26M | -1.31M | -9.33M | 0 | -7.9M | 600K | -11M | -5.6M | -500K |
| Cash from Financing | -313.08M | 290.28M | 330.92M | 4.88M | 531.53M | 531.53M | 222.31M | -41.22M | 3.33M | 7.1M | 16M | 287.85M | 21.52M | -154K | 253K | -26.06M | 47.99M | 30.37M | 57.64M | 36.92M | -20.08M | 575K | 270K | -1.87M | -2.64M | 103.44M | 19.2M | 19.8M | 110.8M | 5.3M |
| Debt Issued (Net) | -301.52M | 325.2M | 16.61M | 33.81M | 566.73M | 566.73M | 221.11M | -7.35M | -808K | -5.34M | 13.35M | 281.61M | 2.9M | -1.69M | -4.14M | -3.61M | 28.89M | -16.34M | -46.82M | 35.39M | 1.81M | 0 | 0 | -3.11M | -3.5M | -25.1M | 6.9M | 13.7M | 17M | 100K |
| Equity Issued (Net) | -7.19M | -59.67M | 340.39M | -33.44M | 0 | 0 | -4.79M | -39.28M | 0 | 0 | -6.03M | 5.92M | 17.62M | 2.52M | 810K | 41K | 3K | 50M | 112.14M | 1.52M | -21.89M | 601K | 266K | 839K | 786K | 118.09M | 5M | 2.7M | 95.3M | 8M |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | -19.62M | -59.67M | -23.83M | -33.44M | 0 | 0 | -4.79M | -39.28M | 0 | 0 | -6.03M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -25M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | -4.37M | 24.76M | -26.08M | 4.51M | -35.19M | -35.19M | 5.99M | 5.41M | 4.14M | 12.44M | 8.69M | 327K | 1.01M | -993K | 3.58M | -23.87M | 19.09M | -13.63M | -7.69M | 0 | 0 | -26K | 4K | 396K | 70K | 10.45M | 7.3M | 3.4M | -1.5M | -2.8M |
| Net Change in Cash | 59.01M | 55.77M | 10.31M | 24.59M | -52.19M | -52.19M | 134.1M | -105.61M | 43.45M | 116.66M | 63.51M | 27.91M | -27.26M | 9.18M | -27.58M | -87.52M | 69.42M | 97.47M | 31.22M | -2.35M | -21.61M | 10.98M | -43.78M | -30.95M | 40.33M | 6.7M | -18.1M | 40.5M | 21.4M | -22.4M |
| Free Cash Flow | 371.61M | -52.26M | -67.68M | 47.5M | 162.9M | 162.9M | -36.22M | 86.68M | 33.71M | 110M | 20.1M | 62.61M | 51.82M | 14.18M | -33.54M | 6.29M | 34.68M | 59.84M | -23.19M | -35.55M | 5.85M | 16.51M | -37.61M | -5.04M | 64.26M | -88.83M | -37.9M | 31.7M | -83.8M | -27.2M |
| FCF Margin % | 12.5% | -2.06% | -2.23% | 1.84% | 7.46% | 11.39% | -2.53% | 6.91% | 3.02% | 10.88% | 1.93% | 6.69% | 7.58% | 2.4% | -5.63% | 1.3% | 6% | 7% | -3.5% | -5.79% | 0.81% | 2.14% | -6.1% | -0.87% | 11.69% | -13.08% | -7.15% | 6.15% | -20.79% | -10.89% |
| FCF Growth % | 811.09% | 22.78% | -242.47% | -70.84% | 0% | 549.74% | -141.79% | 157.12% | -69.35% | 447.3% | -67.9% | 20.81% | 265.55% | 142.27% | -633.6% | -81.88% | -42.04% | 358.02% | 34.77% | -708.09% | -64.58% | 143.9% | -645.91% | -107.85% | 172.33% | -134.39% | -219.56% | 137.83% | -208.09% | -39.49% |
| FCF per Share | 3.79 | -0.53 | -0.69 | 0.51 | 1.76 | 1.76 | -0.39 | 0.92 | 0.36 | 1.19 | 0.22 | 0.68 | 0.58 | 0.16 | -0.38 | 0.07 | 0.40 | 0.75 | -0.33 | -0.59 | 0.09 | 0.25 | -0.62 | -0.08 | 1.00 | -1.36 | -0.64 | 0.51 | -1.42 | -0.51 |
| FCF Conversion (FCF/Net Income) | 6.26x | -0.92x | 0.11x | 1.00x | 1.77x | 3.37x | 0.38x | 1.80x | 1.27x | 3.65x | 0.90x | 1.46x | 1.01x | 1.77x | 0.44x | -0.48x | 4.65x | 1.55x | 0.06x | -0.11x | -0.70x | 7.14x | -17.04x | 13.91x | 7.46x | 0.18x | -0.28x | 2.33x | -0.15x | 0.33x |
| Interest Paid | 97.5M | 95.15M | 68.53M | 58.45M | 30.8M | 30.8M | 30.36M | 26.24M | 21.75M | 23.22M | 16.62M | 10.87M | 2.14M | 1M | 1.5M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 42.17M | 61.94M | 49.51M | 58.4M | 24.13M | 24.13M | 10.81M | 10.47M | 10.23M | 10.79M | 10.08M | 11.98M | 2.87M | 3.93M | 5.93M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Working Capital Volatility Risk
According to recent financial statements, ATS Corporation exhibits a highly erratic relationship between net income and operating cash flow, evidenced by a 2026Q4 operating cash flow of $149.5 million against a net loss of $16.1 million, suggesting significant reliance on non-cash adjustments and working capital shifts.
The extreme variance in the OCF/NI ratio indicates that headline earnings are frequently decoupled from actual cash generation. Investors should monitor whether this divergence stems from sustainable operational improvements or merely the timing of milestone-based billing inherent in percentage-of-completion accounting.
As reported in quarterly filings, ATS Corporation's free cash flow trajectory remains inconsistent, with margins swinging from a negative 8.6% in 2025Q2 to a peak of 18.9% in 2026Q1, reflecting the lumpy nature of large-scale industrial project delivery and associated capital expenditure requirements.
The lack of a stable free cash flow trend suggests that the company's ability to self-fund operations is highly sensitive to project-specific execution. This volatility complicates the assessment of long-term value creation and may indicate that the business requires frequent external financing to bridge gaps between project phases.
Based on the provided cash flow data, working capital changes appear to be the primary engine of liquidity, with a significant $121.2 million inflow in 2026Q4, which highlights the company's heavy dependence on aggressive collection cycles and customer advances to maintain positive operating cash flow.
The reliance on working capital swings to mask operational losses warrants further investigation into the sustainability of these inflows. If these figures are driven by front-loaded customer payments, any slowdown in new project intake could lead to a rapid reversal in cash availability.
Financial disclosures indicate that ATS Corporation has utilized cash for both share repurchases and acquisitions, such as the $181.4 million net acquisition outflow in 2025Q2, which appears to compete with internal liquidity needs during periods of negative free cash flow generation.
The company's aggressive pursuit of inorganic growth through acquisitions, while simultaneously returning capital to shareholders, may be straining the balance sheet. This strategy appears to prioritize scale over the maintenance of a robust cash buffer, potentially increasing vulnerability to sector-specific downturns.
Quick answers to the most common questions about buying ATS stock.
ATS Corporation (ATS) generated $448.4M in net cash from operating activities in 2026. This reflects the cash generated directly from core business operations.
ATS Corporation (ATS) generated $371.6M in free cash flow in 2026. Free cash flow is the cash left over after capital expenditures, which can be used to pay dividends, repurchase shares, or pay down debt.
ATS Corporation (ATS) spent $33.6M on capital expenditures in 2026. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.
In 2026, ATS Corporation (ATS) spent $19.6M on share repurchases. This shows the company's commitment to returning capital to its equity investors.