Free cash flow margins reached 8.0% in 2026Q1, though cash conversion remains volatile as evidenced by the OCF/NI ratio fluctuating from -12.79 in 2025Q1 to 4.30 in 2026Q1.
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 | Dec'07 | Dec'06 | Dec'05 | Dec'04 | Dec'03 | Dec'02 | Dec'01 | Dec'00 | Dec'99 | Dec'98 | Dec'97 | Dec'96 |
|---|
| Cash from Operations | 223.08M | 215.51M | 119.44M | 280.91M | 392.5M | 338.54M | 187.22M | 229.77M | 185.57M | 181.12M | 124.74M | 118.11M | 134.27M | 109.89M | 64.22M | 61.65M | 118M | 65.53M | 57.17M | 90.77M | 72.08M | 50.55M | 29.3M | 18.81M | 20.16M | 14.94M | 10.21M | 8M | 5.5M | 4M | 3.6M |
| Operating CF Margin % | - | 14.54% | 9.11% | 16.9% | 19.62% | 18.75% | 15.23% | 18.39% | 15.29% | 17.18% | 13.24% | 13.91% | 15.08% | 13.29% | 10.13% | 9.7% | 19.25% | 15.09% | 13.21% | 22.63% | 21% | 23.54% | 15.78% | 13.74% | 17.41% | 15.69% | 8.62% | 10.09% | 9.12% | 6.09% | 6.43% |
| Operating CF Growth % | 193.87% | 80.44% | -57.48% | -28.43% | 15.94% | 80.83% | -18.52% | 23.82% | 2.45% | 45.2% | 5.61% | -12.04% | 22.19% | 71.11% | 4.17% | -47.76% | 80.09% | 14.62% | -37.02% | 25.93% | 42.58% | 72.54% | 55.8% | -6.73% | 34.98% | 46.34% | 27.6% | 45.45% | 37.5% | 11.11% | 175% |
| Net Income | 85.54M | 69.17M | 50.84M | 230.65M | 339.25M | 236.29M | 99.23M | 154.12M | 105.41M | 266K | 18.48M | 26.51M | 65.63M | 24.1M | 25.98M | 53.51M | 80.26M | 9.85M | 38.98M | 59.66M | 48.14M | 33.33M | 25.55M | 10.1M | 5.8M | 124K | 14.89M | 5.6M | 2.7M | 5.1M | 3M |
| Depreciation & Amortization | 143.04M | 143.75M | 137.14M | 137.33M | 127.76M | 122.44M | 108.01M | 109.58M | 104.64M | 95.68M | 98.97M | 80.1M | 76.77M | 73.61M | 64.19M | 61.44M | 51.8M | 56.12M | 41.65M | 28.33M | 21.07M | 16.23M | 13.17M | 11.07M | 9.75M | 8.67M | 5M | 2.8M | 1.2M | 1M | 700K |
| Stock-Based Compensation | 26.94M | 25.75M | 22.77M | 30.91M | 36.29M | 33.2M | 25.26M | 20.54M | 20.74M | 18.61M | 14.03M | 18.97M | 14.1M | 13.55M | 14.4M | 13.7M | 13.05M | 10.94M | 10.14M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | -7.03M | -7.48M | -1M | -13.35M | -39.23M | 21.46M | -14.46M | 9.9M | 3.67M | 25.33M | -15.98M | 1.48M | -3.61M | -1.96M | -13.05M | -21.92M | -4.04M | -1.1M | 0 | 1.66M | 929K | -584K | 0 | 270K | 646K | -2.98M | -1.2M | -1.3M | 500K | 300K | -500K |
| Other Non-Cash Items | -58.65M | -52.15M | -19.82M | -27.04M | 9.53M | -35.66M | 625K | -24.09M | -2.45M | 669K | 3.71M | 736K | -4.19M | 14.7M | -12.63M | -7.81M | 3M | -9.23M | -11.45M | 9.86M | 9.34M | 2.81M | 690K | 1.47M | 537K | 463K | 655K | -100K | -200K | -100K | -100K |
| Working Capital Changes | 30.72M | 36.48M | -70.49M | -77.59M | -81.11M | -39.18M | -31.45M | -40.27M | -46.45M | 40.57M | 5.54M | -9.69M | -14.44M | -14.11M | -14.67M | -37.27M | -26.07M | -1.05M | -22.14M | -11.11M | -8.84M | -1.22M | -10.11M | -4.11M | 3.43M | 8.66M | -9.15M | 1M | 1.3M | -2.3M | 800K |
| Change in Receivables | 894K | 22.69M | 47.28M | -2.61M | -20.16M | -52.72M | -10.5M | -30.77M | -29.48M | 22.26M | 533K | -9.71M | 1.81M | -18.24M | -6.36M | -4.41M | -23.6M | -26.76M | 24.88M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | -17.21M | 9.1M | -87.5M | -28.95M | -29.68M | -43.04M | -4.56M | -11.32M | -2.15M | -17.2M | 5.18M | -2.17M | -2.75M | 14.86M | -5.49M | -20.19M | -30.39M | 12.34M | -20.34M | -4.66M | -16.28M | -2.37M | -6.07M | -1.25M | 2.1M | 13.97M | -9.28M | -2.8M | -300K | -300K | 3M |
| Change in Payables | 32.18M | 13.79M | -23.44M | -2.17M | -50.08M | 55.63M | 7.42M | 3.51M | 9.98M | 17.31M | 2.64M | -8.62M | -9.51M | -8.59M | -7.44M | -3.58M | 7.03M | 14.41M | -11.24M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -124.4M | -116.18M | -118.04M | -158.32M | -265.26M | -144.23M | -106.77M | -100.43M | -88.94M | -78.29M | -27.35M | -459.45M | -42.77M | -186.4M | -77.42M | -98.31M | 209.57M | 1.86M | -203.5M | -88.36M | -325.69M | -65.8M | -26.13M | -15.29M | -6.95M | -8.48M | -21.39M | -9.3M | -9.4M | -3.5M | -3.3M |
| Capital Expenditures | -94.34M | -78.36M | -73.02M | -150.77M | -211.73M | -141.19M | -75.81M | -98.5M | -87.51M | -111.16M | -58.55M | -133.24M | -57.77M | -47.05M | -58.17M | -80.94M | -88.81M | -22.48M | -53.25M | -56.1M | -45.66M | -19.58M | -26.2M | -15.65M | -6.95M | -8.48M | -16.97M | -9.9M | -9.8M | -1.5M | -1.8M |
| CapEx % of Revenue | 6.07% | 5.29% | 5.57% | 9.07% | 10.58% | 7.82% | 6.17% | 7.89% | 7.21% | 10.54% | 6.21% | 15.7% | 6.49% | 5.69% | 9.18% | 12.74% | 14.49% | 5.17% | 12.3% | 13.98% | 13.3% | 9.12% | 14.11% | 11.43% | 6% | 8.9% | 14.32% | 12.48% | 16.25% | 2.28% | 3.21% |
| Acquisitions | 15.29M | 10.65M | -56.66M | 6.29M | -64.71M | -157K | -24.59M | -33.03M | -41K | 1.22M | 156K | -348.89M | 1.48M | -124.92M | -20.05M | 0 | 0 | -30K | -153.16M | 0 | -29.43M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 10.25M | 6.93M | 9.31M | 6.85M | 7.16M | 12.47M | 974K | 28.53M | 1.93M | 5.26M | -1.67M | 630K | 2.96M | 6.42M | 117K | -3.25M | 1.78M | 342K | 56K | 202K | 54K | 0 | 68K | 357K | 3K | 0 | -4.42M | 600K | 400K | -2M | -1.5M |
| Cash from Financing | -54.59M | -54.81M | -19.34M | -144.72M | -125.71M | -158.44M | -54.3M | -112.43M | -51.91M | -158.18M | -63.46M | 321.36M | -35.76M | 112.36M | 38.54M | -107.71M | -295.35M | 67.92M | 196.87M | 4.67M | 228.99M | 70.83M | 2.16M | 1.86M | -13.99M | -2.48M | 12.1M | 2.4M | 3.9M | 100K | 1M |
| Debt Issued (Net) | 1.48M | 1.08M | -7.67M | -124.4M | -112.27M | -152.92M | 248.19M | -115.81M | -49.27M | -159.48M | -36.43M | 321.94M | -42.92M | 118.76M | 35.08M | -126.99M | -300.86M | 67.71M | 138.8M | -2.9M | 218.01M | -5.16M | -3.71M | -527K | -14.69M | -2.61M | 11.76M | 1.3M | 3.7M | 0 | 1M |
| Equity Issued (Net) | -23.81M | -33.81M | -9.56M | 0 | 140K | 4.34M | -305.01M | 11.9M | 4.86M | 4.86M | -17.89M | -11.01M | 5.76M | 2.63M | 1.32M | 3.53M | 4.82M | 1.7M | 2.96M | 7.57M | 4.33M | 76.37M | 5.63M | 2.01M | 321K | 122K | 337K | 1M | 300K | 100K | 0 |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | -2.17M | -2.11M | 0 | 0 | 0 | -4.87M | 0 | 0 | 0 | 0 | 0 | -2.3M | -1.5M | 0 | 0 | 0 | -750K | -300K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | -23.81M | -33.81M | -9.56M | 0 | 0 | 0 | -296.7M | 0 | 0 | -8.74M | -18.01M | -11.01M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | -32.25M | -22.08M | -2.11M | -20.32M | -13.58M | -7.69M | 4.63M | -8.52M | -7.51M | -3.57M | -9.13M | 10.43M | 1.4M | -9.03M | 2.14M | 15.75M | 696K | -1.5M | 55.11M | 0 | 6.66M | 375K | 550K | 375K | 375K | 0 | 0 | 100K | -100K | 0 | 0 |
| Net Change in Cash | 58.25M | 57.62M | -3.76M | -22.62M | -25.72M | 46.29M | 61.02M | 17.67M | 36.63M | -43.98M | 29.37M | -24.57M | 46.37M | 39.51M | 27.61M | -141.39M | 28.95M | 138.46M | 47.32M | 7.29M | -24.4M | 54.32M | 6.12M | 5.56M | -819K | 3.63M | 919K | 1.2M | 0 | 600K | 1.3M |
| Free Cash Flow | 128.74M | 137.15M | 46.41M | 130.15M | 180.77M | 197.35M | 111.41M | 131.27M | 98.06M | 69.96M | 66.19M | -15.13M | 76.51M | 62.84M | 6.05M | -19.29M | 29.2M | 43.05M | 3.92M | 34.67M | 26.43M | 30.97M | 3.1M | 3.16M | 13.21M | 6.46M | -6.76M | -1.9M | -4.3M | 2.5M | 1.8M |
| FCF Margin % | 8.28% | 9.25% | 3.54% | 7.83% | 9.04% | 10.93% | 9.06% | 10.51% | 8.08% | 6.64% | 7.03% | -1.78% | 8.59% | 7.6% | 0.96% | -3.04% | 4.76% | 9.91% | 0.91% | 8.64% | 7.7% | 14.42% | 1.67% | 2.31% | 11.41% | 6.78% | -5.71% | -2.4% | -7.13% | 3.81% | 3.21% |
| FCF Growth % | -7.24% | 195.51% | -64.34% | -28.01% | -8.4% | 77.14% | -15.13% | 33.87% | 40.16% | 5.69% | 537.41% | -119.78% | 21.75% | 937.77% | 131.39% | -166.07% | -32.18% | 996.82% | -88.68% | 31.2% | -14.68% | 899.42% | -1.93% | -76.08% | 104.5% | 195.58% | -255.79% | 55.81% | -272% | 38.89% | 135.29% |
| FCF per Share | 2.79 | 2.95 | 1.00 | 2.81 | 3.93 | 4.31 | 2.14 | 2.53 | 1.93 | 1.43 | 1.33 | -0.31 | 1.57 | 1.32 | 0.13 | -0.41 | 0.64 | 0.99 | 0.09 | 0.82 | 0.42 | 0.80 | 0.07 | 0.10 | 0.29 | 0.22 | -0.22 | -0.05 | -0.17 | 0.10 | 0.07 |
| FCF Conversion (FCF/Net Income) | 1.51x | 3.26x | 2.71x | 1.24x | 1.18x | 1.48x | 1.91x | 1.50x | 1.78x | -100.35x | 7.83x | 3.97x | 2.11x | 4.14x | 2.66x | 1.22x | 1.54x | 8.72x | 1.47x | 1.52x | 1.50x | 1.52x | 1.15x | 1.86x | 3.48x | 120.47x | 0.69x | 1.43x | 2.04x | 0.78x | 1.20x |
| Interest Paid | 1.29M | 1.68M | 2.04M | 4.61M | 7.36M | 6.94M | 10.22M | 7.24M | 9.96M | 13.55M | 11.71M | 2.8M | 3.28M | 4.37M | 914K | 3.32M | 4.64M | 0 | 8.98M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 19.03M | 24.16M | 21.53M | 97.67M | 88.69M | 56.08M | 47.89M | 37.16M | 33.27M | 30.45M | 17.1M | 17.23M | 14.06M | 10.4M | 17.09M | 12.12M | 9.62M | 0 | 7.29M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cyclical Manufacturing Asset Underutilization
According to the provided quarterly data, Diodes Incorporated exhibits significant volatility in its cash conversion, with the OCF/NI ratio fluctuating wildly from -12.79 in 2025Q1 to 4.30 in 2026Q1, suggesting that reported net income is a poor proxy for the company's actual cash-generating capacity during cyclical troughs.
The extreme variance between net income and operating cash flow highlights the heavy impact of non-cash charges and working capital swings inherent in a high-fixed-cost manufacturing model. Investors should interpret this divergence as a signal that accounting earnings are currently obscured by the absorption of fixed costs and inventory adjustments rather than reflecting true operational health.
As reported in financial statements, DIOD's free cash flow margin reached 8.0% in 2026Q1, a notable improvement from the negative 17.1% observed in 2024Q1, yet this recovery remains highly sensitive to the company's ability to maintain fab utilization rates above critical break-even thresholds during demand fluctuations.
The trajectory of free cash flow suggests that while the company is emerging from its most difficult cyclical period, the margin profile remains thin and susceptible to renewed pressure. The reliance on internal manufacturing means that any future softening in end-market demand could rapidly reverse these gains, necessitating a cautious outlook on cash flow sustainability.
Based on the reported figures, DIOD's capital expenditure as a percentage of revenue has averaged roughly 6% over the last ten quarters, indicating a consistent commitment to maintaining its internal manufacturing footprint despite the cyclical headwinds that have pressured overall profitability and operating margins during recent periods.
The stability of this capital intensity suggests that management is prioritizing the upkeep of its fab and packaging facilities to support long-term competitive positioning. However, analysts should monitor whether this spending is sufficient to modernize production nodes or if it merely serves to sustain legacy capacity that may eventually require rationalization.
Data from recent filings indicates that working capital changes have been a primary driver of cash flow volatility, with a significant $34.4 million inflow in 2024Q4 contrasting sharply with the $77.4 million outflow seen in 2024Q1, reflecting the company's struggle to manage inventory levels through the cycle.
These swings suggest that DIOD's cash position is heavily influenced by the timing of inventory clearing and distributor demand, which are outside of management's direct control. Investors should monitor these fluctuations as a leading indicator of whether the company is successfully aligning its production output with actual sell-through demand.
Quick answers to the most common questions about buying DIOD stock.
Diodes Incorporated (DIOD) generated $215.5M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Diodes Incorporated (DIOD) generated $137.2M 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.
Diodes Incorporated (DIOD) spent $78.4M 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, Diodes Incorporated (DIOD) spent $33.8M on share repurchases. This shows the company's commitment to returning capital to its equity investors.