Cash flow generation remains volatile, as evidenced by a $544 million working capital outflow in 2026Q2 and an OCF/NI ratio that fluctuated between 0.25 and 2.16 over the last two quarters.
| 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 |
|---|
| Cash from Operations | 2.1B | 2.04B | 2.04B | 1.38B | 948M | 913M | 1.21B | 1.02B | 1.02B | 788.73M | 668.93M | 520.94M | 541.22M | 470.2M | 413.88M | 260.58M | 197.3M | 197.11M | 189.63M | 112.44M | 3.06M | 80.69M | 111.14M | -17.33M | 56.45M |
| Operating CF Margin % | - | 23.08% | 25.76% | 20.88% | 17.46% | 19.03% | 23.77% | 19.44% | 26.82% | 22.51% | 21.09% | 19.24% | 22.81% | 24.43% | 24.15% | 21.61% | 23.84% | 25.88% | 26.57% | 18.97% | 0.7% | 21.56% | 36.96% | -5.91% | 22.69% |
| Operating CF Growth % | -5.73% | -0.34% | 48.73% | 45.04% | 3.83% | -24.73% | 19.45% | -0.66% | 29.6% | 17.91% | 28.41% | -3.75% | 15.1% | 13.61% | 58.83% | 32.07% | 0.1% | 3.94% | 68.66% | 3576.78% | -96.21% | -27.39% | 741.24% | -130.7% | - |
| Net Income | 2.02B | 2.07B | 1.72B | 1.3B | 867M | 681M | 700M | 891.31M | 957.06M | 596.89M | 586.41M | 447.21M | 306.91M | 302.79M | 324.97M | -19.91M | 163.44M | 162.9M | 133.13M | 88.64M | 25.12M | 34.69M | 13.62M | -75.73M | 30.63M |
| Depreciation & Amortization | 404M | 367M | 312M | 268M | 253M | 253M | 283M | 225.7M | 129.84M | 141.03M | 121.67M | 93.66M | 96.39M | 73.52M | 68.23M | 60.46M | 30.16M | 27.52M | 25.25M | 27.1M | 42.83M | 20.76M | 22.09M | 2.92M | 6.29M |
| Stock-Based Compensation | 137M | 157M | 217M | 157M | 153M | 129M | 93M | 93.36M | 58.48M | 45.52M | 48.31M | 31.5M | 26.33M | 48.88M | 22.15M | 12.57M | 6.7M | 5.81M | 4.04M | 3.49M | -27.85M | 0 | 0 | 0 | 0 |
| Deferred Taxes | -9M | -10M | 10M | 3M | -22M | 34M | 24M | -349K | -151.64M | -918K | 5.81M | 660K | -9.42M | -2.61M | 24.8M | 8.89M | 1.9M | 8.8M | 7.33M | 6.23M | 18.23M | 693K | 2.71M | 0 | 0 |
| Other Non-Cash Items | 80M | 8M | 93M | 79M | -43M | -60M | -22M | 19.2M | 33M | 92.57M | 17.64M | -27.77M | 93.04M | -23.99M | -38.01M | 231.02M | -9.88M | -6.03M | -15.66M | 3.49M | 55.85M | 37.15M | 50.37M | 55.48M | 19.53M |
| Working Capital Changes | -590M | -558M | -302M | -431M | -260M | -124M | 135M | -213.75M | -4.57M | -86.35M | -110.91M | -24.32M | 27.97M | 71.62M | 11.75M | -32.45M | 4.97M | -1.9M | 35.54M | -13.03M | -111.12M | -12.6M | 22.34M | 0 | 0 |
| Change in Receivables | -205M | -212M | -84M | -212M | -190M | -78M | 352M | -82.27M | -43.81M | -54.67M | -80.11M | -25.42M | -24.31M | -25.01M | -1.96M | -15.15M | -17.72M | -346K | 7.1M | -17.4M | -489K | 0 | 0 | 0 | 0 |
| Change in Inventory | -178M | -156M | -104M | -261M | -134M | 79M | -62M | -35.71M | -10.81M | 5.13M | -2.07M | -25.97M | -8.39M | -15.29M | -416K | -9.84M | 2.89M | -4.52M | 878K | -5.62M | -10.16M | -4.57M | -2.16M | 0 | 0 |
| Change in Payables | 55M | 38M | -11M | 12M | 58M | 3M | -62M | -1.63M | 18.07M | -10.35M | -6.66M | 13.48M | -2.42M | 23.51M | -3.62M | 4.38M | 4.93M | 8.81M | -333K | 1.64M | 1.62M | 0 | 0 | 0 | 0 |
| Cash from Investing | -1.54B | -595M | -2.44B | -900M | -553M | -785M | 799M | -3.89B | -683.58M | -287M | -1.44B | -1.68B | -329.64M | -502.44M | -876.29M | -1.4B | -176.56M | -168.39M | -165.04M | -521.66M | -35.32M | -20.53M | -77.62M | -526.59M | -5.44M |
| Capital Expenditures | -255M | -222M | -165M | -139M | -119M | -105M | -105M | -101.59M | -73.34M | -71.01M | -43.98M | -54.87M | -34.15M | -35.53M | -25.25M | -18.03M | -12.89M | -13.15M | -10.88M | -10.26M | -8.35M | -7.96M | -5.42M | -5.21M | -3.82M |
| CapEx % of Revenue | 2.68% | 2.51% | 2.08% | 2.11% | 2.19% | 2.19% | 2.06% | 1.94% | 1.92% | 2.03% | 1.39% | 2.03% | 1.44% | 1.85% | 1.47% | 1.49% | 1.56% | 1.73% | 1.52% | 1.73% | 1.92% | 2.13% | 1.8% | 1.78% | 1.53% |
| Acquisitions | -1.28B | -419M | -2.35B | -762M | -434M | -704M | 904M | -3.98B | -667.62M | -215.99M | -1.4B | -1.62B | -311.87M | -483.26M | -851.05M | -1.38B | -166.56M | -155.23M | -154.16M | -511.41M | -26.97M | -63.17M | -21.53M | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -7M | 46M | 71M | 1M | 0 | 24M | 0 | 188.77M | 57.38M | 0 | 0 | 0 | 16.38M | -35.53M | -851.05M | 271.36M | 2.88M | 0 | 0 | 0 | 0 | 0 | 0 | -521.38M | -1.62M |
| Cash from Financing | 889M | -4.9B | 3.17B | -16M | -2.15B | -70M | 1.23B | 2.27B | 1.09B | -1.44B | 1.65B | 1.05B | 43.97M | 156.19M | 527.19M | 1.28B | 23.2M | 2.38M | 28.52M | 453.96M | -10.74M | -4.44M | -3.92M | 553.82M | -13.03M |
| Debt Issued (Net) | 6.81B | 5.07B | 4.83B | -173M | -275M | -125M | 3.07B | 3.9B | 1.09B | 1.52B | 1.82B | 935.94M | 1.58B | 2.06B | 465.07M | 1.25B | 404.25M | 0 | 0 | 421.88M | -12.17M | -2.94M | -2.21M | 0 | 0 |
| Equity Issued (Net) | -750M | -500M | 245M | 215M | -780M | 0 | -19M | 81.88M | 57.58M | -389.82M | -207.75M | 0 | -159.85M | 0 | -846K | 0 | 0 | -15.24M | 9.77M | 8.45M | 1.43M | 0 | -215K | 0 | 0 |
| Dividends Paid | -5.29B | -9.63B | -2.04B | -38M | -1.09B | -73M | -1.93B | -1.71B | -56.15M | -2.58B | -3M | -3.37M | -1.45B | -1.99B | -3.3M | -2.81M | -404.87M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | -852M | -500M | 0 | 0 | -912M | -128M | -19M | 0 | 0 | -389.82M | -207.75M | 0 | -159.85M | 0 | -846K | 0 | 0 | -15.24M | 0 | 0 | 0 | 0 | -239K | 0 | 0 |
| Other Financing | 122M | 156M | 129M | -20M | -2M | 128M | 105M | -303K | -10.84M | 3.61M | 40.9M | 122.37M | 78.42M | 87.73M | 66.27M | 32.62M | 23.82M | 17.62M | 18.76M | 23.63M | 0 | -1.5M | -1.5M | 553.82M | -13.03M |
| Net Change in Cash | 1.46B | -3.45B | 2.79B | 471M | -1.79B | 70M | 3.25B | -605.53M | 1.42B | -936.43M | 872.96M | -105.52M | 254.81M | 124.22M | 64.34M | 142.07M | 43.95M | 31.11M | 53.12M | 44.73M | -43M | 55.72M | 29.6M | 553.82M | -13.03M |
| Free Cash Flow | 1.85B | 1.82B | 1.88B | 1.24B | 829M | 808M | 1.11B | 913.88M | 948.83M | 717.72M | 624.95M | 466.07M | 507.08M | 434.67M | 388.64M | 242.55M | 184.42M | 183.96M | 178.75M | 102.18M | -5.29M | 72.73M | 105.72M | -22.54M | 52.64M |
| FCF Margin % | 19.47% | 20.56% | 23.68% | 18.77% | 15.27% | 16.84% | 21.71% | 17.5% | 24.9% | 20.48% | 19.71% | 17.22% | 21.37% | 22.59% | 22.67% | 20.11% | 22.28% | 24.16% | 25.05% | 17.24% | -1.22% | 19.43% | 35.16% | -7.69% | 21.16% |
| FCF Growth % | -2.68% | -3.4% | 52.1% | 49.1% | 2.6% | -27.08% | 21.24% | -3.68% | 32.2% | 14.84% | 34.09% | -8.09% | 16.66% | 11.84% | 60.23% | 31.52% | 0.25% | 2.91% | 74.94% | 2030.8% | -107.28% | -31.2% | 569.03% | -142.82% | - |
| FCF per Share | 31.79 | 31.20 | 32.53 | 21.61 | 14.24 | 13.84 | 19.34 | 16.24 | 17.07 | 12.92 | 11.13 | 8.23 | 8.90 | 7.89 | 7.21 | 4.55 | 3.48 | 3.50 | 3.56 | 2.10 | -0.11 | 1.56 | 2.28 | -3.06 | 381.42 |
| FCF Conversion (FCF/Net Income) | 0.91x | 0.98x | 1.19x | 1.06x | 1.09x | 1.34x | 1.74x | 1.30x | 1.13x | 1.80x | 1.15x | 1.17x | 3.00x | 3.57x | 1.29x | 1.77x | 1.48x | 1.21x | 1.42x | 1.27x | 0.12x | 2.33x | 8.16x | 0.23x | 1.84x |
| Interest Paid | 246M | 1.48B | 1.16B | 1.16B | 1.06B | 1.01B | 923M | 878M | 635M | 587.72M | 448.61M | 398.94M | 319.58M | 236.77M | 197.79M | 155.85M | 97.71M | 82.25M | 95.1M | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | -55M | 640M | 539M | 260M | 220M | 83M | 223M | 215M | 129M | 185.29M | 183.29M | 127.36M | 97.8M | 82.29M | 103.94M | 88.37M | 72.5M | 75.31M | 39.92M | 0 | 0 | 0 | 0 | 0 | 0 |
Aggressive debt-funded capital returns
As reported in recent financial filings, TDG's OCF/NI ratio exhibits significant quarterly variance, ranging from a low of 0.25 in 2026Q2 to a high of 2.16 in 2026Q1, suggesting that reported net income is frequently decoupled from the actual cash-generating capacity of the underlying business operations.
The wide divergence between net income and operating cash flow appears primarily driven by large, periodic swings in working capital requirements rather than fundamental earnings quality issues. Investors should monitor whether these fluctuations represent structural timing differences in defense contract payments or more persistent challenges in managing the cash conversion cycle.
Based on the provided cash flow data, free cash flow margins have fluctuated wildly between 2.5% and 35.4% over the last ten quarters, reflecting a business model where cash generation is periodically interrupted by aggressive capital deployment and significant working capital outflows rather than operational weakness.
The inconsistency in FCF margins suggests that while the core business is highly profitable, the company's cash trajectory is heavily influenced by the timing of large-scale acquisitions and shareholder distributions. This pattern implies that TDG prioritizes capital allocation flexibility over maintaining a smooth, predictable free cash flow profile.
According to quarterly cash flow statements, TDG experienced a substantial $544 million working capital outflow in 2026Q2, a trend that frequently offsets strong operating performance and highlights the sensitivity of the company's cash position to inventory and receivable management within its complex aerospace supply chain.
These recurring, large-scale working capital swings suggest that the company may be building inventory to support its sole-source strategy or managing extended payment terms with major aerospace customers. Such volatility warrants further investigation into whether these outflows are temporary timing issues or indicative of a lengthening cash conversion cycle.
As evidenced by the $5.2 billion dividend payment in 2025Q4 and consistent share repurchases, TDG utilizes a private-equity-style capital allocation model that prioritizes returning cash to shareholders and funding acquisitions over maintaining a conservative balance sheet, as reported in recent financial disclosures.
The company's reliance on debt-funded special dividends suggests a management philosophy that views leverage as a tool to optimize returns rather than a risk to be minimized. This approach creates a structural dependency on consistent, high-margin cash flow to service the debt load, which may limit strategic flexibility during industry downturns.
Based on the provided data, the company's cash flow statement obscures the true cost of its growth strategy, as significant acquisition spending and non-cash amortization charges frequently mask the underlying cash-on-cash returns generated by the acquired niche aerospace assets.
The frequent use of acquisition-related cash outflows suggests that the company's reported cash flow is heavily impacted by inorganic growth, making it difficult to isolate the organic cash-generating power of the legacy business. Analysts should be cautious in interpreting these figures without adjusting for the recurring costs associated with integrating these proprietary product lines.
Quick answers to the most common questions about buying TDG stock.
TransDigm Group Incorporated (TDG) generated $2.04B in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
TransDigm Group Incorporated (TDG) generated $1.82B 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.
TransDigm Group Incorporated (TDG) spent $222.0M 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, TransDigm Group Incorporated (TDG) returned $9.63B to shareholders via cash dividends and spent $500.0M on share repurchases. This shows the company's commitment to returning capital to its equity investors.