Cash conversion remains inconsistent, evidenced by an operating cash flow to net income ratio that plummeted to 0.18 in 2026Q2, largely due to volatile working capital requirements.
| Metric | TTM | Sep'25 | Sep'24 | Sep'23 | Sep'22 | Sep'21 | Sep'20 | Sep'19 | Sep'18 | Sep'17 | Sep'16 | Sep'15 | Sep'14 | Sep'13 | Sep'12 | Sep'11 | Sep'10 | Sep'09 | Sep'08 | Sep'07 | Sep'06 | Sep'05 | Sep'04 | Sep'03 | Sep'02 | Sep'01 | Sep'00 | Sep'99 | Sep'98 | Sep'97 | Sep'96 |
|---|
| Cash from Operations | 258.95M | 241.94M | 127.54M | 76.89M | 135.28M | 123.14M | 82.28M | 105.14M | 93.26M | 67.34M | 73.86M | 65.75M | 43.44M | 47.15M | 53.16M | 74.62M | 67.02M | 77.62M | 77.14M | 44.99M | 56.21M | 68.56M | 61.03M | 39.03M | 35.02M | 32.99M | 20M | 25.9M | 20.3M | 25.3M | 1M |
| Operating CF Margin % | - | 22.09% | 13.88% | 8.98% | 15.78% | 17.21% | 11.26% | 14.48% | 13.64% | 9.82% | 12.92% | 12.24% | 8.18% | 9.62% | 11.11% | 16.55% | 11.03% | 12.54% | 12.57% | 10.12% | 14.7% | 15.98% | 14.46% | 9.84% | 11.06% | 11.06% | 6.66% | 6.22% | 5.56% | 6.68% | 0.23% |
| Operating CF Growth % | 184.22% | 89.69% | 65.88% | -43.16% | 9.86% | 49.66% | -21.74% | 12.74% | 38.49% | -8.83% | 12.33% | 51.36% | -7.87% | -11.31% | -28.75% | 11.33% | -13.65% | 0.62% | 71.48% | -19.97% | -18.01% | 12.34% | 56.34% | 11.48% | 6.15% | 64.92% | -22.78% | 27.59% | -19.76% | 2430% | 112.35% |
| Net Income | 308.14M | 299.22M | 101.88M | 92.55M | 82.32M | 63.5M | 99.41M | 81.04M | 92.14M | 53.7M | 45.88M | 42.51M | 410K | -25.6M | 46.88M | 52.5M | 44.85M | 49.3M | 46.71M | 33.71M | 31.28M | 43.54M | 35.67M | -41.14M | 21.78M | 30.11M | 16.82M | 50.5M | 11.3M | 11.8M | 26.1M |
| Depreciation & Amortization | 73.73M | 75.02M | 52.16M | 47.71M | 48.34M | 42.05M | 41.34M | 35.99M | 33.69M | 32.23M | 23.57M | 18.58M | 16.36M | 14.8M | 14.49M | 13.48M | 22.14M | 30.27M | 27.63M | 16.41M | 11.72M | 12.18M | 11.89M | 13.45M | 10.4M | 12.95M | 14.19M | 17M | 17.5M | 14.4M | 13.5M |
| Stock-Based Compensation | 8.58M | 10.67M | 8.6M | 8.91M | 7.32M | 6.91M | 5.55M | 5.09M | 5.03M | 5.44M | 4.7M | 4.78M | 4.82M | 4.58M | 4.36M | 4.47M | 4.56M | 4.87M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | -3.67M | -10.98M | -8.39M | -5.46M | 8.95M | -3.04M | -2.79M | 61K | -21.03M | 1.36M | -2.99M | 1.42M | -2.66M | 10.08M | 1.09M | 3.55M | 4.06M | -2.54M | 12.35M | 13.76M | 4.24M | 15.22M | 14.06M | 10.14M | 8.23M | -5.99M | 6.27M | 11.6M | 6.1M | 4.8M | -12.6M |
| Other Non-Cash Items | -170.55M | -141.38M | 6.71M | -10.7M | 0 | -1.95M | -87.82M | -10.4M | -7.01M | -7.51M | 952K | -794K | 35.05M | 65.82M | -8.12M | 14.11M | -56K | 2.69M | -784K | 10.61M | 6.77M | 2.24M | 1.76M | 72.25M | 7.4M | 8.2M | 3.26M | -64.5M | -6M | -3M | -31.8M |
| Working Capital Changes | 43.89M | 9.38M | -33.41M | -56.12M | -11.65M | 15.67M | 26.59M | -6.65M | -9.55M | -17.89M | 1.75M | -745K | -10.53M | -22.53M | -5.54M | -13.49M | -8.52M | -6.96M | -8.77M | -29.5M | 2.2M | -4.63M | -2.35M | -15.67M | -12.79M | -12.28M | -20.53M | 11.3M | -8.6M | -2.7M | 5.8M |
| Change in Receivables | 0 | -8.34M | -31.61M | -31.44M | -17.68M | 11.27M | 14.63M | -65.9M | -6.09M | -42.13M | -9.09M | 3.85M | -13.47M | -6.38M | 8.88M | -14.08M | -27.96M | 26.09M | -28.07M | -26.39M | -5.7M | 6.99M | -6.16M | -13.86M | -4.49M | 228K | -10.91M | 5.2M | -1.7M | -3M | -8.9M |
| Change in Inventory | 0 | -5.14M | -24.37M | -16.31M | -13.79M | 612K | -10.34M | 7.11M | -9.44M | 3.96M | 1.1M | -5.49M | -4.06M | -5.22M | -8.59M | -13.14M | 5.93M | -17M | 1.05M | -14.13M | 2.19M | -4.36M | 4.14M | -3.88M | -5.27M | -790K | 1.55M | -9.2M | -17.7M | 18.6M | 20.7M |
| Change in Payables | 0 | -2.19M | 11.48M | 5.11M | 21.98M | -688K | -13.28M | 10.72M | 7.93M | 8.73M | -1.95M | -2.5M | 1.79M | 3.12M | -1.53M | 325K | 10.6M | -1.76M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -261.6M | -255.79M | -104.64M | -52.47M | -55.92M | -202.44M | 140.95M | -125.14M | -41.61M | -233.87M | -104.57M | -39.84M | 102.17M | -76.75M | -29.81M | -30.23M | -52.54M | -15.41M | -301.72M | -57.75M | -128.89M | -17.19M | 4.59M | -14.51M | -22.73M | -25.44M | -40.36M | 76.7M | -24.2M | -103.7M | 101.4M |
| Capital Expenditures | -49.29M | -52.17M | -40.18M | -29.93M | -45.01M | -35.49M | -41.13M | -32.6M | -24.82M | -38.73M | -22.51M | -19.34M | -21.34M | -22.27M | -13.08M | -16.81M | -8.83M | -5M | -27.7M | -42.44M | -33.65M | -8.85M | -12.21M | -14.13M | -9.59M | -9.5M | -10.36M | -8.3M | -24.2M | -10.5M | -8.6M |
| CapEx % of Revenue | 3.95% | 4.76% | 4.37% | 3.5% | 5.25% | 4.96% | 5.63% | 4.49% | 3.63% | 5.65% | 3.94% | 3.6% | 4.02% | 4.54% | 2.73% | 3.73% | 1.45% | 0.81% | 4.51% | 9.54% | 8.8% | 2.06% | 2.89% | 3.56% | 3.03% | 3.19% | 3.45% | 1.99% | 6.63% | 2.77% | 1.96% |
| Acquisitions | -482.24M | -472.01M | -56.38M | -17.69M | -10.91M | -168.9M | 0 | -95.84M | -9.81M | -198.63M | -82.06M | -20.5M | 0 | -19.45M | 0 | -3.73M | -32.32M | -6.44M | -345.39M | -8.25M | -91.97M | 0 | -294K | -5.36M | -9.55M | -13.56M | -30M | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 269.92M | 268.38M | -8.08M | -4.84M | 0 | 1.95M | 182.08M | 3.3M | -6.98M | 3.49M | 0 | 0 | 123.51M | -35.03M | -16.73M | -9.69M | -11.4M | -3.97M | 66.4M | -7.06M | -3.27M | -8.34M | 17.1M | 4.98M | -3.59M | -2.38M | 0 | 85M | 0 | -93.2M | 110M |
| Cash from Financing | 38.03M | 49.54M | -773K | -78.33M | -32.12M | 81.47M | -236.22M | 53.52M | -66.36M | 156.76M | 46.22M | -16.64M | -152.49M | 41.59M | -25.28M | -36.4M | -31.05M | -45.53M | 234.61M | -5.42M | 5.01M | -19.16M | -24.62M | -18.17M | -1.87M | 1.34M | -61.73M | -19.1M | 2.3M | 62M | -80.5M |
| Debt Issued (Net) | 115M | 64M | 20M | -51M | -1M | 91.63M | -222.63M | 65M | -55M | 165M | 60M | 10M | -132M | 57M | -10M | -29M | -26.47M | -53.18M | 232.96M | 2.84M | 0 | -519K | -19.16M | -22.26M | -64K | 2.63M | -57.75M | -17.7M | 3M | 62.8M | -48.4M |
| Equity Issued (Net) | 0 | 0 | -8M | -12.4M | -19.88M | 0 | 0 | 0 | 0 | 0 | -4.3M | -18.25M | -11.97M | -9.7M | -5.4M | 0 | 0 | 0 | 6.38M | -8.16M | 2.76M | -18.64M | -5.46M | 4.09M | -1.8M | -1.29M | -3.98M | -1.6M | -700K | 0 | -35.5M |
| Dividends Paid | -8.28M | -8.26M | -8.25M | -8.25M | -8.27M | -8.34M | -8.32M | -8.3M | -8.28M | -8.26M | -8.25M | -8.37M | -8.47M | -8.45M | -8.55M | -8.53M | -6.33M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | 0 | 0 | -8M | -12.4M | -19.88M | 0 | 0 | 0 | 0 | 0 | -4.3M | -18.25M | -11.97M | -9.7M | -5.4M | 0 | 0 | 0 | 0 | -10.01M | 0 | -24.93M | -9.98M | -1.44M | -3.44M | -1.68M | -6.21M | -1.6M | -700K | 0 | -35.5M |
| Other Financing | -68.7M | -6.2M | -4.53M | -6.68M | -2.98M | -1.82M | -5.26M | -3.18M | -5M | 20K | -1.23M | -24K | -45K | 2.75M | -1.32M | 1.13M | 1.75M | 7.65M | -4.73M | -100K | 2.25M | 0 | 0 | 0 | 0 | 0 | 0 | 200K | 0 | -800K | 3.4M |
| Net Change in Cash | 34.85M | 35.39M | 24.1M | -55.86M | 41.49M | 3.67M | -9.25M | 31.33M | -15.04M | -8.31M | 14.41M | 4.28M | -7.72M | 12.63M | -3.94M | 7.65M | -18.12M | 15.96M | 10.03M | -18.18M | -67.67M | 32.2M | 41M | 6.36M | 10.42M | 8.89M | -82.09M | 83.5M | 2.3M | 62M | -80.5M |
| Free Cash Flow | 212.26M | 189.77M | 87.36M | 46.96M | 90.26M | 87.65M | 41.15M | 72.53M | 68.44M | 28.61M | 51.35M | 46.41M | 22.1M | 24.88M | 37.02M | 57.81M | 44.76M | 63.36M | 49.45M | 2.55M | 22.56M | 59.71M | 48.81M | 24.91M | 25.43M | 23.48M | 9.64M | 17.6M | -3.9M | 14.8M | -7.6M |
| FCF Margin % | 17.01% | 17.32% | 9.51% | 5.49% | 10.53% | 12.25% | 5.63% | 9.99% | 10.01% | 4.17% | 8.99% | 8.64% | 4.16% | 5.08% | 7.73% | 12.82% | 7.37% | 10.23% | 8.06% | 0.57% | 5.9% | 13.91% | 11.56% | 6.28% | 8.03% | 7.87% | 3.21% | 4.23% | -1.07% | 3.91% | -1.73% |
| FCF Growth % | 69.59% | 117.22% | 86.04% | -47.97% | 2.98% | 113.01% | -43.27% | 5.98% | 139.23% | -44.29% | 10.65% | 110% | -11.18% | -32.79% | -35.96% | 29.16% | -29.36% | 28.14% | 1839.78% | -88.7% | -62.21% | 22.32% | 95.98% | -2.03% | 8.27% | 143.66% | -45.24% | 551.28% | -126.35% | 294.74% | 60.42% |
| FCF per Share | 8.19 | 7.32 | 3.38 | 1.81 | 3.46 | 3.34 | 1.57 | 2.78 | 2.63 | 1.10 | 1.98 | 1.77 | 0.83 | 0.93 | 1.37 | 2.15 | 1.67 | 2.39 | 1.88 | 0.10 | 0.86 | 2.28 | 1.83 | 0.95 | 0.98 | 0.92 | 0.38 | 0.70 | -0.16 | 0.60 | -0.33 |
| FCF Conversion (FCF/Net Income) | 0.69x | 0.81x | 1.25x | 0.83x | 1.64x | 1.94x | 0.83x | 1.30x | 1.01x | 1.25x | 1.61x | 1.55x | 105.96x | -1.84x | 1.13x | 1.42x | 1.49x | 1.57x | 1.65x | 1.33x | 1.80x | 1.57x | 1.71x | -0.95x | 1.61x | 1.10x | 1.19x | 1.02x | 1.80x | 2.14x | 0.04x |
| Interest Paid | 11.29M | 17.42M | 14.54M | 8.66M | 2.83M | 590K | 5.87M | 8.08M | 8.54M | 3.73M | 1.36M | 876K | 1.86M | 2.57M | 1.59M | 1.96M | 3.54M | 7.42M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 29.94M | 50.05M | 38.01M | 30.24M | 9.86M | 26.05M | 37.71M | 26.08M | 8.79M | 25.67M | 22.63M | 13.61M | 29.94M | 11.68M | 16.54M | 21.89M | 21.38M | 22.14M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Working Capital Volatility
According to reported financial data, ESE's operating cash flow to net income ratio has fluctuated wildly, dropping to a low of 0.18 in 2026Q2, which suggests that reported earnings are frequently decoupled from the actual cash generation capabilities of the underlying business operations.
The significant variance between net income and operating cash flow indicates that non-cash items or aggressive accrual accounting may be inflating the bottom line. Investors should monitor whether this divergence is a temporary result of project-based revenue recognition or a structural issue in the company's ability to collect cash from its long-cycle defense and utility contracts.
As reported in recent quarterly filings, ESE's free cash flow trajectory remains highly inconsistent, with margins swinging from a peak of 26.9% in 2025Q4 to negative territory in 2026Q2, highlighting the inherent instability in the company's cash generation profile over the observed ten-quarter period.
This erratic FCF performance suggests that the company's cash flow is highly sensitive to the timing of large project milestones and working capital swings. The inability to maintain positive FCF consistently warrants further investigation into whether the business model is truly scalable or if it remains tethered to lumpy, project-based cash inflows.
Based on the provided cash flow statements, working capital changes have been a primary source of volatility, with a significant $42.9M inflow in 2025Q4 followed by recurring outflows in other periods, indicating that the company's cash cycle is heavily dependent on the timing of customer payments.
The frequent shifts in working capital suggest that ESE may be struggling to manage its receivables and payables efficiently across its diverse business segments. This volatility implies that the company's cash position is vulnerable to delays in project completion or shifts in customer payment terms, which could impact liquidity in the short term.
As indicated by the financial statements, ESE has prioritized inorganic growth through significant acquisitions, such as the $472M outlay in 2025Q3, while maintaining a conservative dividend policy that has remained flat at $2.1M per quarter throughout the entire ten-quarter period.
The heavy reliance on acquisitions to drive growth suggests that management is attempting to compensate for limited organic expansion opportunities. Investors should monitor whether these capital deployments are generating sufficient returns on invested capital, as the current strategy appears to prioritize scale over the return of cash to shareholders.
Quick answers to the most common questions about buying ESE stock.
ESCO Technologies Inc. (ESE) generated $241.9M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
ESCO Technologies Inc. (ESE) generated $189.8M 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.
ESCO Technologies Inc. (ESE) spent $52.2M 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, ESCO Technologies Inc. (ESE) returned $8.3M to shareholders via cash dividends. This shows the company's commitment to returning capital to its equity investors.