Free cash flow remains highly erratic, characterized by extreme swings such as the $215.2M working capital inflow in 2025Q3 followed by a $117.7M outflow in 2025Q2.
| 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 | 688.06M | 457.69M | 358.71M | 368.46M | 336.19M | 304.37M | 262.48M | 208.51M | 176.86M | 137.99M | 142.02M | 162.85M | 127.38M | 137.75M | 158.02M | 131.62M | 106.81M | 198.25M | 68.38M | 46.68M | 57.38M | 48.49M | 16.2M | 66.77M | 95.21M | 44.27M | -12.19M | 30.3M | -6.6M | 1.1M | 21.1M |
| Operating CF Margin % | - | 8.41% | 6.9% | 8.15% | 11.86% | 9.47% | 11.18% | 6.71% | 5.97% | 5.01% | 5.5% | 7.08% | 5.13% | 5.27% | 5.83% | 5.12% | 4.85% | 8.67% | 3.19% | 3% | 4.06% | 3.77% | 1.13% | 7.76% | 12.85% | 6.06% | -1.53% | 7.01% | -1.72% | 0.45% | 9.59% |
| Operating CF Growth % | 3536.29% | 27.59% | -2.65% | 9.6% | 10.45% | 15.96% | 25.88% | 17.9% | 28.17% | -2.84% | -12.79% | 27.85% | -7.53% | -12.83% | 20.06% | 23.23% | -46.12% | 189.92% | 46.5% | -18.65% | 18.32% | 199.35% | -75.74% | -29.88% | 115.05% | 463.26% | -140.22% | 559.09% | -700% | -94.79% | 55.15% |
| Net Income | 440.43M | 507.29M | 333.44M | 273.45M | 263.16M | 232.83M | 173.89M | 158.76M | 136.96M | 117.92M | 83.85M | 39.23M | 108.67M | -1.51M | 104.73M | 92.98M | 76.82M | 87.03M | 60.91M | 46.35M | 36.6M | -99.47M | 23.74M | -64.56M | 31.91M | 30.82M | 40.44M | 29.1M | 20.6M | 14.3M | 10.1M |
| Depreciation & Amortization | 56.67M | 58.28M | 73.68M | 61.21M | 27.03M | 23.8M | 24.61M | 28.84M | 38.64M | 45.76M | 45.59M | 44.2M | 54.54M | 62.6M | 56.9M | 55.68M | 33.49M | 27.26M | 18.64M | 13.72M | 12.7M | 16.32M | 18.5M | 16.73M | 23.35M | 21.36M | 13.71M | 12.7M | 6.6M | 4.5M | 3.6M |
| Stock-Based Compensation | -98.09M | 18.88M | 31.16M | 28.61M | 26.23M | 23.07M | 19.42M | 17.62M | 19.58M | 13.45M | 12.96M | 10.93M | 10.37M | 8.78M | 10.84M | 10.58M | 10.18M | 9.39M | 0 | 5.76M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | 21.94M | -11.3M | -19.98M | -21.2M | 2.17M | -38.49M | 565K | -32.33M | -16.43M | -9.96M | 2.5M | 8.41M | -145K | -11.47M | -5.51M | 1.72M | 11.64M | -3.77M | 10.66M | -1.78M | 6.43M | -19.54M | -11.93M | 9.44M | 20M | -1.17M | 723K | -200K | -2.9M | 1.5M | -500K |
| Other Non-Cash Items | 111.57M | -151.91M | 7.11M | -59.79M | -20.82M | -3.77M | -10.53M | 25.55M | 9.55M | -4.83M | 13.54M | 50.62M | -55.84M | 68.89M | -8.87M | 6.18M | 4.74M | 21.87M | 13.2M | 3.01M | 7.62M | 141.99M | 16.21M | 122.83M | 3.48M | 1K | 3.06M | 100K | 0 | 0 | 0 |
| Working Capital Changes | 155.31M | 36.45M | -66.69M | 86.19M | 38.41M | 66.93M | 54.52M | 10.07M | -11.44M | -24.35M | -16.42M | 9.46M | 9.77M | 10.45M | -66K | -35.53M | -30.05M | 56.48M | -33.81M | -20.39M | -3.61M | 9.2M | -30.32M | -17.66M | 16.47M | -50.77M | -70.12M | -10.7M | -30.9M | -19.2M | 7.9M |
| Change in Receivables | 256.78M | -89.53M | -40.19M | -19.78M | -89.78M | 13.3M | 156.01M | -10.23M | -46.27M | -64.78M | 9.06M | 73.94M | -32.02M | 87.37M | -39.96M | 2.05M | -23.16M | 156.17M | 0 | -85.61M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -14.36M | 3.49M | -6.15M | -15.6M | -27.49M | -13.8M | 9.71M | 33.66M | -19.44M | -6.48M | 7.75M | 0 | 10.53M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | -72.75M | 2.4M | 18.09M | -19.21M | 17.1M | 13.55M | -102.16M | 39.01M | -16.03M | 18.6M | -3M | -26.9M | 31.77M | -34.19M | -14.53M | -34.01M | -10M | -104.27M | 0 | 44.81M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -238.87M | -106.75M | -111.04M | -771.2M | -55.74M | -92.99M | -63.02M | -99.71M | -42.63M | -16.96M | -94.02M | -21.02M | -41.16M | -196.6M | -79.8M | -293.84M | -97.36M | -133.3M | -89.84M | -39.69M | -7.72M | -16.68M | -44.7M | -94.2M | -52.24M | -51.18M | -42.26M | -57.7M | -41.3M | -3.8M | -8.8M |
| Capital Expenditures | -19.41M | -18.63M | -18.14M | -26.9M | -10.58M | -8.57M | -12.24M | -16.2M | -9.73M | -9.74M | -11.95M | -24.3M | -19.4M | -27.55M | -25.11M | -18.9M | -21.58M | -19.8M | -17.77M | -13.14M | -11.55M | -9.79M | -17.89M | -8.42M | -7.17M | -11.02M | -14.74M | -57.7M | -41.3M | -2.6M | -2.4M |
| CapEx % of Revenue | 0.39% | 0.34% | 0.35% | 0.59% | 0.37% | 0.27% | 0.52% | 0.52% | 0.33% | 0.35% | 0.46% | 1.06% | 0.78% | 1.05% | 0.93% | 0.73% | 0.98% | 0.87% | 0.83% | 0.85% | 0.82% | 0.76% | 1.24% | 0.98% | 0.97% | 1.51% | 1.86% | 13.35% | 10.79% | 1.05% | 1.09% |
| Acquisitions | -260.26M | -97.26M | -93.65M | -854.32M | -49.12M | -84.91M | -68.49M | -84.16M | -68.26M | -8.12M | -82.63M | -11.68M | -30.25M | -171.35M | -55.44M | -270M | -78.91M | -114.74M | -77.77M | -31.34M | -2M | -8.37M | -28.85M | -87.23M | -45.08M | -40.16M | -27.52M | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 40.8M | 9.14M | 742K | 715K | 3.97M | 492K | 17.71M | 651K | 35.35M | 905K | 557K | 14.96M | 8.49M | 2.56M | 1.04M | -4.12M | 3.13M | 1.25M | 5.7M | 4.8M | 5.82M | 1.48M | 2.05M | 1.46M | 0 | 0 | 0 | 0 | 0 | -1.2M | -6.4M |
| Cash from Financing | -412.32M | -410.24M | -191.38M | 382.38M | -249.61M | -210.1M | -163.05M | -135.06M | -181.96M | -94.77M | -25.39M | -123.58M | -87.65M | 85.61M | -67.39M | 31.35M | 121.43M | -28.06M | -4.38M | 4.4M | -11.16M | -53.23M | 43.17M | 13.96M | -12.86M | 15.7M | 52.78M | 31.8M | 40.5M | 8.8M | -19.4M |
| Debt Issued (Net) | -149.26M | -66.59M | -76.53M | 538.23M | 40.03M | -83.43M | 12.61M | 1.77M | -83.98M | 9.66M | 80.16M | -10.66M | -4.38M | 124.99M | -68.12M | 24.57M | 117.33M | -50.42M | -26.71M | -2.68M | -18.17M | -59.09M | 31.06M | 6.07M | -18.93M | 8.36M | 44.24M | 5.2M | 36.4M | 6.2M | -20M |
| Equity Issued (Net) | -176.3M | -249.51M | 0 | 0 | -200M | -60M | -117.19M | -100M | -61.48M | -103.5M | -99.5M | -89.67M | -56.17M | -20M | 18.17M | 8.38M | 3.35M | 20.34M | 20.67M | 7.62M | 7.01M | 5.86M | 12.11M | 7.89M | 6.07M | 7.34M | 8.54M | 26.6M | 4.1M | 2.6M | 700K |
| Dividends Paid | -67.99M | -65.04M | -58.83M | -52.11M | -46.1M | -40.04M | -34.74M | -29.67M | -24.48M | -21.67M | -19.73M | -18.24M | -8.96M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | -177.01M | -249.98M | 0 | 0 | -200M | -60M | -117.19M | -100M | -75M | -100M | -99.5M | -100.5M | -80M | -20M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -890K | 0 | 0 | 0 | 0 | 0 |
| Other Financing | -18.77M | -29.1M | -56.02M | -103.74M | -43.54M | -26.63M | -23.73M | -7.16M | -12.02M | 20.73M | 13.69M | -5M | -18.18M | -19.37M | -17.44M | -1.6M | 754K | 2.02M | 1.66M | -541K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -100K |
| Net Change in Cash | 43.27M | -64.32M | 63.86M | -16.26M | 18.53M | 9.05M | 36.61M | -27.98M | -43.79M | 29.52M | 25.13M | 12.95M | -6.93M | 24.46M | 14.35M | -130.44M | 131.75M | 38.28M | -25.84M | 11.39M | 38.49M | -21.17M | 14.87M | -13.18M | 30.11M | 8.68M | -632K | 3.3M | 40.5M | 8.8M | -19.4M |
| Free Cash Flow | 668.65M | 439.05M | 340.57M | 341.56M | 325.61M | 295.8M | 250.23M | 192.31M | 167.14M | 128.25M | 130.07M | 138.55M | 107.97M | 110.2M | 132.91M | 112.72M | 85.23M | 178.44M | 50.61M | 33.53M | 45.83M | 38.7M | -1.69M | 58.35M | 88.05M | 33.26M | -26.93M | -27.4M | -47.9M | -1.5M | 18.7M |
| FCF Margin % | 13.61% | 8.07% | 6.55% | 7.55% | 11.48% | 9.2% | 10.65% | 6.19% | 5.64% | 4.66% | 5.03% | 6.03% | 4.35% | 4.22% | 4.9% | 4.38% | 3.87% | 7.8% | 2.36% | 2.16% | 3.24% | 3.01% | -0.12% | 6.78% | 11.89% | 4.56% | -3.39% | -6.34% | -12.51% | -0.61% | 8.5% |
| FCF Growth % | 186.09% | 28.92% | -0.29% | 4.9% | 10.08% | 18.21% | 30.12% | 15.07% | 30.32% | -1.4% | -6.12% | 28.32% | -2.03% | -17.09% | 17.91% | 32.26% | -52.24% | 252.57% | 50.92% | -26.83% | 18.42% | 2387.47% | -102.9% | -33.73% | 164.74% | 223.48% | 1.7% | 42.8% | -3093.33% | -108.02% | 54.55% |
| FCF per Share | 2.55 | 1.64 | 1.26 | 1.27 | 1.20 | 1.08 | 0.91 | 0.69 | 0.59 | 0.44 | 0.44 | 0.45 | 0.33 | 0.34 | 0.42 | 0.36 | 0.27 | 0.59 | 0.17 | 0.11 | 0.16 | 0.14 | -0.01 | 0.21 | 0.32 | 0.13 | -0.10 | -0.11 | -0.21 | -0.01 | 0.08 |
| FCF Conversion (FCF/Net Income) | 1.52x | 1.85x | 1.08x | 1.35x | 1.28x | 1.31x | 1.51x | 1.31x | 1.29x | 1.17x | 1.70x | 4.17x | 1.18x | -64.34x | 1.51x | 1.46x | 1.39x | 2.28x | 1.12x | 1.01x | 1.57x | -0.49x | 0.68x | -1.03x | 2.98x | 1.44x | -0.30x | 1.04x | -0.32x | 0.08x | 2.09x |
| Interest Paid | -12.43M | 34.96M | 36.85M | 47.37M | 13.38M | 10.33M | 13.26M | 12.31M | 15.57M | 11.5M | 12.57M | 7.32M | 8.29M | 5.05M | 5.28M | 4.23M | 1.29M | 2.48M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | -28.7M | 110.83M | 180.71M | 93.18M | 70.8M | 59.11M | 55.04M | 66.04M | 49.84M | 72.58M | 35.27M | 23.27M | 28.09M | 35.8M | 58.13M | 33.72M | 32.41M | 152K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Working capital volatility
As reported in financial statements, TTEK's operating cash flow to net income ratio has fluctuated wildly, reaching a high of 17.49 in 2025Q1 and a low of -1.08 in 2025Q2, indicating that reported net income is frequently decoupled from the company's actual cash-generating capacity during specific quarters.
The significant variance between net income and operating cash flow suggests that non-cash accruals and project-based accounting adjustments heavily influence the bottom line. Investors should monitor whether these discrepancies represent timing differences in contract milestones or more persistent challenges in converting recognized revenue into realized cash.
Based on recent quarterly filings, TTEK's free cash flow margin has demonstrated extreme inconsistency, swinging from a negative 1.1% in 2025Q2 to a robust 30.0% in 2025Q3, which underscores the inherent difficulty in predicting cash flow stability within the company's current project-heavy business model.
This volatility suggests that the company's cash flow profile is highly sensitive to the timing of large-scale project payments rather than steady-state operational performance. The lack of a consistent FCF growth trend warrants further investigation into the underlying contract payment terms and potential liquidity risks during project ramp-up phases.
According to recent SEC filings, TTEK's working capital changes have been a primary driver of cash flow variance, with a notable $215.2M inflow in 2025Q3 followed by a $117.7M outflow in 2025Q2, highlighting the company's vulnerability to shifts in client payment cycles and project-related inventory management.
The frequent and large swings in working capital suggest that the company's cash position is heavily dependent on the efficiency of its collections from government and commercial clients. Such fluctuations may indicate that the company is acting as a financing vehicle for its own projects, which could strain liquidity if collection cycles lengthen.
As reported in financial statements, TTEK has aggressively utilized cash for acquisitions, including a $216.6M net outflow in 2026Q2, while simultaneously maintaining consistent dividend payments and periodic share repurchases, suggesting a management strategy that balances external expansion with a commitment to returning capital to shareholders.
The reliance on acquisitions to drive growth appears to be a core component of the company's strategy, though it necessitates careful monitoring of the resulting debt load and integration risks. Investors should consider whether the current pace of acquisition spending is sustainable without compromising the company's long-term balance sheet flexibility.
Quick answers to the most common questions about buying TTEK stock.
Tetra Tech, Inc. (TTEK) generated $457.7M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Tetra Tech, Inc. (TTEK) generated $439.1M 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.
Tetra Tech, Inc. (TTEK) spent $18.6M 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, Tetra Tech, Inc. (TTEK) returned $65.0M to shareholders via cash dividends and spent $250.0M on share repurchases. This shows the company's commitment to returning capital to its equity investors.