Cash generation remains highly efficient, with an operating cash flow to net income ratio of 2.02 in 2026Q1, bolstered by a substantial $3.7 billion deferred revenue balance.
| 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 |
|---|
| Cash from Operations | 2.8B | 2.59B | 2.26B | 1.94B | 1.73B | 1.5B | 1.08B | 808M | 638.9M | 594.4M | 345.7M | 282.55M | 196.58M | 147.38M | 183.87M | 132.84M | 103.38M | 61.97M | 37.69M | 27.67M |
| Operating CF Margin % | - | 38.1% | 37.91% | 36.49% | 39.18% | 44.87% | 41.77% | 37.36% | 35.4% | 39.76% | 27.11% | 28% | 25.52% | 23.95% | 34.46% | 30.64% | 31.84% | 24.58% | 17.79% | 17.81% |
| Operating CF Growth % | 94.5% | 14.72% | 16.67% | 11.84% | 15.4% | 38.39% | 34.12% | 26.47% | 7.49% | 71.94% | 22.35% | 43.73% | 33.38% | -19.84% | 38.41% | 28.49% | 66.82% | 64.44% | 36.2% | - |
| Net Income | 1.95B | 1.85B | 1.75B | 1.15B | 856.6M | 606.7M | 488.5M | 331.7M | 334.9M | 31.4M | 32.2M | 7.99M | 25.34M | 44.27M | 66.84M | 62.49M | 41.24M | 60.18M | 7.36M | -21.84M |
| Depreciation & Amortization | 300.7M | 336.3M | 122.8M | 113.4M | 104.3M | 84.4M | 68.8M | 61.6M | 55.7M | 55.5M | 48.5M | 31.59M | 22.03M | 15.62M | 11.56M | 6.99M | 5.7M | 5.93M | 4.23M | 4.15M |
| Stock-Based Compensation | 286.5M | 279.5M | 257.9M | 249M | 217.3M | 207.9M | 191.7M | 174.1M | 162.9M | 137.2M | 122.4M | 95.09M | 58.99M | 43.91M | 30.69M | 19.02M | 9.31M | 7.46M | 5.3M | 9.33M |
| Deferred Taxes | 63.5M | 66.2M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Cash Items | 116.9M | 65.6M | 152.8M | 299.2M | 319.4M | 198.3M | 144.7M | 107.6M | 89.4M | 6.3M | 7.4M | 10.85M | 12.84M | 9.62M | 1.77M | -7.29M | 1.58M | -28.56M | 41K | 0 |
| Working Capital Changes | 82.3M | -10.4M | -20.6M | 126.1M | 233M | 402.4M | 190M | 133M | -4M | 364M | 135.2M | 137.03M | 77.37M | 33.96M | 73M | 51.64M | 45.55M | 16.96M | 20.75M | 36.03M |
| Change in Receivables | -314.6M | -215.9M | -45.4M | -146.4M | -456.7M | -72.5M | -176.4M | -96.7M | -82M | -38.4M | -57.9M | -66.46M | -55.89M | -22.08M | -12.12M | -23.25M | -17.78M | -8.51M | -18.35M | -2.27M |
| Change in Inventory | -32.9M | -90.6M | 131.2M | -253.5M | -109.1M | -19.4M | -42.2M | -48.5M | -33.4M | 9.4M | -43M | -19.09M | -32.46M | -35.09M | -11.3M | -6.03M | -5.95M | -2.01M | -189K | -6.6M |
| Change in Payables | -22.7M | 27.9M | -10.2M | -43.1M | 105.2M | -13.1M | 37.4M | 7.7M | 14.6M | 13.1M | 100K | -2.52M | 18.03M | 10.48M | 961K | 6.8M | 2.44M | 3.05M | -1.86M | 970K |
| Cash from Investing | -494M | -599.1M | -727.4M | -649.3M | 763.9M | -1.33B | -72.8M | -502.3M | -134.9M | -76.8M | -74.1M | -967K | -29.35M | -146.73M | -182.71M | -166.83M | -283.71M | 13.76M | -53.71M | -2.33M |
| Capital Expenditures | -368.9M | -364.8M | -378.9M | -204.1M | -281.2M | -295.9M | -125.9M | -92.2M | -53M | -135.3M | -67.2M | -37.36M | -32.2M | -13.88M | -22.08M | -3.62M | -3.78M | -4.59M | -2.8M | -2.03M |
| CapEx % of Revenue | 5.19% | 5.37% | 6.36% | 3.85% | 6.37% | 8.85% | 4.85% | 4.26% | 2.94% | 9.05% | 5.27% | 3.7% | 4.18% | 2.26% | 4.14% | 0.84% | 1.16% | 1.82% | 1.32% | 1.31% |
| Acquisitions | -30.4M | -41.6M | -275.5M | -8.5M | -30.8M | -234.9M | -40.2M | -34.6M | -21.7M | 0 | -22.1M | -38.02M | -17K | -7.63M | -1.25M | -2.62M | 0 | -549K | -2M | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -100K | 100K | 100K | 300K | 0 | 400K | 1.3M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 62K | 0 | -62K | 0 |
| Cash from Financing | -3.68B | -2.37B | -50.1M | -1.57B | -2.13B | 82.8M | -1.17B | -195.6M | -202.6M | -415.6M | -105.9M | -21.56M | 749K | -6.42M | 50.16M | 39.8M | 34.02M | 78.05M | 2.12M | 19K |
| Debt Issued (Net) | -500M | 0 | 0 | 0 | 0 | 969.9M | -4.1M | -3.7M | -10.1M | 0 | -1.6M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Equity Issued (Net) | -3.07B | -2.25B | 62.5M | -1.46B | -1.97B | -715.8M | -1.06B | -95.6M | -125.3M | -370.5M | -66M | 7.31M | 11.35M | -7.95M | 38.09M | 19.97M | 29.11M | 76.47M | 0 | 0 |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | -3.11B | -2.29B | -600K | -1.5B | -1.99B | -741.8M | -1.08B | -145.1M | -211.8M | -446.3M | -110.8M | -60M | -43.98M | -33.53M | 0 | 0 | 0 | -15.76M | 0 | 0 |
| Other Financing | -111M | -126.4M | -112.6M | -113.7M | -165.2M | -171.3M | -109.5M | -96.3M | -67.2M | -45.1M | -38.3M | -28.87M | -10.6M | 1.52M | 12.07M | 19.83M | 4.91M | 1.57M | 2.12M | 19K |
| Net Change in Cash | -1.37B | -380.6M | 1.48B | -285M | 363.8M | 257.3M | -160.7M | 110.1M | 301.4M | 102M | 165.7M | 260.02M | 167.38M | -7.1M | 50.98M | 5.13M | -145.6M | 155.89M | -14.84M | 25.82M |
| Free Cash Flow | 2.44B | 2.23B | 1.88B | 1.73B | 1.45B | 1.2B | 957.8M | 715.8M | 585.9M | 459.1M | 278.5M | 245.19M | 164.38M | 133.51M | 161.78M | 129.22M | 99.61M | 57.38M | 34.89M | 25.64M |
| FCF Margin % | 34.26% | 32.73% | 31.55% | 32.64% | 32.81% | 36.02% | 36.92% | 33.09% | 32.47% | 30.71% | 21.84% | 24.29% | 21.34% | 21.7% | 30.32% | 29.8% | 30.68% | 22.76% | 16.47% | 16.5% |
| FCF Growth % | 17.8% | 18.44% | 8.54% | 19.46% | 20.4% | 25.68% | 33.81% | 22.17% | 27.62% | 64.85% | 13.59% | 49.16% | 23.13% | -17.48% | 25.2% | 29.73% | 73.59% | 64.47% | 36.06% | - |
| FCF per Share | 3.28 | 2.98 | 2.43 | 2.20 | 1.80 | 1.44 | 1.14 | 0.82 | 0.67 | 0.52 | 0.32 | 0.28 | 0.19 | 0.16 | 0.19 | 0.16 | 0.13 | 0.09 | 0.05 | 0.04 |
| FCF Conversion (FCF/Net Income) | 1.25x | 1.40x | 1.29x | 1.69x | 2.02x | 2.47x | 2.22x | 2.44x | 1.91x | 18.93x | 10.74x | 35.38x | 7.76x | 3.33x | 2.75x | 2.13x | 2.51x | 1.03x | 5.12x | -1.27x |
| Interest Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 307.1M | 0 | 578.9M | 426.3M | 260.2M | 127.4M | 39.7M | 58.7M | 41.4M | 32.2M | 26.6M | 18.89M | 40.55M | 25.45M | 17.09M | -305K | 2.48M | 4.75M | 3.62M | -1.23M |
Hardware refresh cycle volatility
According to recent financial statements, Fortinet's operating cash flow to net income ratio reached 2.02 in 2026Q1, indicating that cash generation significantly outpaces accounting profits, largely due to the timing of deferred revenue recognition inherent in the company's multi-year subscription-based business model.
The consistent divergence where operating cash flow exceeds net income suggests that the company is effectively monetizing its service contracts upfront. Investors should monitor this relationship, as a narrowing of this ratio could imply a deceleration in new contract billings or a shift in the underlying service mix.
As reported in quarterly filings, Fortinet's free cash flow margin has fluctuated significantly, ranging from a low of 11.6% in 2023Q4 to a peak of 54.4% in 2026Q1, reflecting the inherent cyclicality of hardware-driven billings and the timing of large-scale enterprise contract renewals.
While the trajectory appears robust on an annual basis, the quarterly volatility suggests that cash flow is highly sensitive to the timing of hardware shipments. This pattern warrants caution, as it may mask underlying trends in operational efficiency during periods of lower hardware demand.
Based on the provided data, Fortinet maintains a disciplined capital expenditure profile, with CapEx as a percentage of revenue averaging in the low single digits, peaking at 16.4% in 2024Q1 before normalizing to 3.8% in 2026Q1, highlighting the company's asset-light service model.
The relatively low capital intensity suggests that the company does not require massive reinvestment to maintain its proprietary FortiASIC architecture. This efficiency allows for significant free cash flow generation, which management has historically redirected toward aggressive share repurchases.
Analysis of recent financial data indicates that working capital changes are a primary driver of quarterly cash flow variance, with a notable $374.8 million inflow in 2026Q1 contrasting sharply with the $285.9 million outflow observed in 2023Q4, reflecting the impact of inventory and deferred revenue cycles.
These swings appear to be a function of the company's hardware-heavy sales cycle, where inventory build-ups and subsequent contract billings create lumpy cash flow patterns. Investors should interpret these fluctuations as operational noise rather than a fundamental shift in the company's ability to collect cash.
As evidenced by recent financial disclosures, Fortinet has prioritized share repurchases over acquisitions, deploying $823 million in 2026Q1 and $1.8 billion in 2025Q3, which suggests management's high degree of confidence in the long-term durability of its current business model and cash generation capabilities.
The decision to return substantial capital to shareholders rather than pursuing large-scale M&A indicates a preference for organic growth and a belief that the current valuation provides an attractive entry point for buybacks. This strategy reinforces the company's fortress balance sheet, though it may limit inorganic expansion into new cloud-native security markets.
Quick answers to the most common questions about buying FTNT stock.
Fortinet, Inc. (FTNT) generated $2.59B in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Fortinet, Inc. (FTNT) generated $2.23B 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.
Fortinet, Inc. (FTNT) spent $364.8M 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, Fortinet, Inc. (FTNT) spent $2.29B on share repurchases. This shows the company's commitment to returning capital to its equity investors.