Free cash flow margin swung from a 42.8% peak in Q2 FY2026 to 9.9% in Q4 FY2026, with cumulative operating cash flow of roughly $2.3B exceeding cumulative net income of roughly $1.7B, while buybacks of $100M to $301M per quarter remain the primary capital return channel.
F5, Inc. (FFIV) cash flow statement — 28-year operating, investing & financing cash flows
| 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 |
|---|
| Cash from Operations | 959.49M | 949.67M | 792.42M | 653.41M | 442.63M | 645.2M | 660.9M | 747.84M | 761.07M | 740.28M | 711.53M | 684.54M | 548.99M | 499.69M | 495.44M | 416.94M | 313.61M | 201.98M | 193.69M | 169.65M | 125.38M | 84.99M | 40.59M | 14.61M | 9.51M | -11.66M | 9.83M | -2M | -3.4M |
| Operating CF Margin % | - | 30.75% | 28.14% | 23.23% | 16.42% | 24.78% | 28.11% | 33.35% | 35.21% | 35.42% | 35.67% | 35.66% | 31.7% | 33.73% | 35.97% | 36.2% | 35.56% | 30.93% | 29.79% | 32.27% | 31.82% | 30.2% | 23.71% | 12.61% | 8.78% | -10.86% | 9.04% | -7.19% | -70.83% |
| Operating CF Growth % | -10.06% | 19.84% | 21.27% | 47.62% | -31.4% | -2.38% | -11.63% | -1.74% | 2.81% | 4.04% | 3.94% | 24.69% | 9.87% | 0.86% | 18.83% | 32.95% | 55.27% | 4.28% | 14.17% | 35.31% | 47.53% | 109.38% | 177.82% | 53.71% | 181.53% | -218.65% | 591.3% | 41.18% | - |
| Net Income | 722.15M | 692.38M | 566.78M | 394.95M | 322.16M | 331.24M | 307.44M | 427.73M | 453.69M | 420.76M | 365.86M | 365.01M | 311.18M | 277.31M | 275.19M | 241.4M | 151.15M | 91.53M | 74.33M | 77M | 66M | 46.9M | 36.33M | 4.09M | -8.61M | -30.79M | 13.65M | -4.3M | -3.7M |
| Depreciation & Amortization | 72.61M | 92.4M | 106.99M | 112.7M | 115.61M | 115.42M | 95.86M | 68.51M | 59.49M | 61.15M | 56.78M | 52.58M | 46.12M | 40.01M | 35.14M | 20.89M | 23.83M | 26.41M | 23.62M | 15.86M | 11.59M | 6.8M | 5.36M | 5.25M | 6.05M | 7.97M | 4.46M | 3.1M | 700K |
| Stock-Based Compensation | 193.53M | 231.49M | 219.11M | 236.65M | 249.22M | 243.28M | 201.95M | 162.91M | 157.85M | 175.33M | 156.76M | 145.55M | 127.16M | 104.21M | 95.35M | 89.75M | 70.77M | 56.06M | 60.58M | 0 | 0 | 0 | 10K | 0 | 443K | 2.63M | 0 | 0 | 0 |
| Deferred Taxes | -62.68M | -72.18M | -68.52M | -108.52M | -40.24M | -76.93M | 7.29M | 7.44M | 20.81M | -4.63M | 2.97M | -12.57M | -3.09M | 474K | -4.29M | 4.49M | 8.24M | -6.06M | -5.61M | 6.43M | 18.95M | -7.73M | -33.89M | 0 | 0 | 3.4M | -3.4M | 0 | 0 |
| Other Non-Cash Items | 119.18M | -20.95M | 32.08M | 43.35M | 46.18M | 79.81M | 50.93M | 16.15M | 1.19M | -73K | 2.22M | 1.77M | 2.67M | 838K | 2.12M | 819K | 1.08M | 2.63M | 2.81M | 56.56M | 25.33M | 43.69M | 24.07M | 1.37M | 10M | 18.22M | 9.38M | 1M | 700K |
| Working Capital Changes | -85.31M | 26.52M | -64.01M | -25.73M | -250.29M | -47.63M | -2.58M | 65.1M | 68.03M | 87.75M | 126.96M | 132.19M | 64.95M | 76.85M | 91.94M | 59.6M | 58.53M | 31.4M | 37.95M | 13.8M | 3.51M | -4.67M | 8.71M | 3.91M | 1.62M | -13.08M | -14.27M | -1.8M | -1.1M |
| Change in Receivables | -36.43M | -28.41M | 63.95M | 16.7M | -130.6M | -46.29M | 46.5M | -18.3M | -4.89M | -24.11M | 9.73M | -38.68M | -40.9M | -18.87M | -20.21M | 0 | -6.37M | -12.55M | -7.94M | -30M | 0 | -20.46M | -4.15M | 0 | -4.59M | 423K | 0 | 0 | 0 |
| Change in Inventory | -160.29M | -851K | -40.5M | 32.49M | -46.31M | 5.84M | 6.5M | -3.83M | -734K | 4.22M | -334K | -9.25M | -5.45M | -1.62M | -262K | 1.67M | -5M | -3.67M | 523K | -2.37M | 0 | -1M | -928K | 1.9M | 1.9M | 790K | -5.64M | -500K | 0 |
| Change in Payables | 65.94M | 28.9M | 40.37M | -63.1M | 19.16M | -223.61M | 34.74M | -23.48M | 22.64M | 30.52M | 33.22M | 39.52M | 18.34M | 16.79M | 9.95M | 0 | 12.16M | 10.25M | 4.01M | 16.59M | 0 | 9.28M | 6.16M | 0 | 154K | -3.02M | 0 | 0 | 0 |
| Cash from Investing | -143.94M | -219.49M | -59.21M | 36.39M | 218.12M | -445.33M | -747M | -414.63M | -455.99M | -32.21M | 62.72M | -10.7M | 150.64M | -352.47M | -352.28M | -139.72M | -238.22M | -99.11M | 13.71M | -188.14M | -204.41M | -126.76M | -164.71M | -38.05M | -12.66M | -8.08M | -43.71M | -5.6M | -800K |
| Capital Expenditures | -90.55M | -43.26M | -30.41M | -54.18M | -33.62M | -30.65M | -59.94M | -103.54M | -53.47M | -38.68M | -63.49M | -60.31M | -22.72M | -26.58M | -29.87M | -36.16M | -12.63M | -11.67M | -27.92M | -16.45M | -21.4M | -9.29M | -5.78M | -3.2M | -3.2M | -9.15M | -13.33M | -2.6M | -700K |
| CapEx % of Revenue | 2.65% | 1.4% | 1.08% | 1.93% | 1.25% | 1.18% | 2.55% | 4.62% | 2.47% | 1.85% | 3.18% | 3.14% | 1.31% | 1.79% | 2.17% | 3.14% | 1.43% | 1.79% | 4.29% | 3.13% | 5.43% | 3.3% | 3.37% | 2.76% | 2.95% | 8.52% | 12.27% | 9.35% | 14.58% |
| Acquisitions | -47.62M | -171.06M | -32.94M | -35.05M | -67.91M | -411.32M | -955.57M | -611.55M | 0 | 0 | 0 | 0 | -49.44M | -212.64M | -128.34M | -5.71M | 0 | 0 | -995K | -207.14M | -42.78M | -395K | -29.2M | -27.37M | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.04M | -4M | -4.75M | -7.14M | 59K | -612K | -269K | 5.73M | 2.53M | -693K | 1.22M | -9K | -49K | 110K | -168K | 629K | 30K | 1.07M | -30.38M | 0 | -100K |
| Cash from Financing | -567.26M | -464.81M | -457M | -653.3M | -476.51M | -468.28M | 337.24M | -155.45M | -551.26M | -546.03M | -652.65M | -556.9M | -604.96M | -166.32M | -149.23M | -226.66M | -16.8M | -70.71M | -181.72M | 35.49M | 65.14M | 68.87M | 138.47M | 12.83M | 5.48M | 36.34M | 35.08M | 26.2M | 10.4M |
| Debt Issued (Net) | 0 | -36.06M | 0 | -350M | -20M | -20M | 390M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 113.64M | 0 | 0 | 188K | 281K | 0 | 0 |
| Equity Issued (Net) | -541.49M | -466.94M | -500.56M | -350.05M | -500.02M | -500M | -102.55M | -201.04M | -600.08M | -600.09M | -700.12M | -606.86M | -650.54M | -200M | -184.78M | -271.53M | -75M | -87.44M | -200M | 23.29M | 44.26M | 68.87M | 138.47M | 12.83M | 5.48M | 36.16M | 34.8M | 26.2M | 10.4M |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | -601.11M | -502.08M | -500.56M | -350.05M | -500.02M | -500M | -100.02M | -201.04M | -600.08M | -600.09M | -700.12M | -606.86M | -650.54M | -200M | -184.78M | -271.53M | -75M | -87.44M | -200M | 0 | 0 | 0 | 0 | 0 | 0 | -1.08M | 0 | 0 | -200K |
| Other Financing | -25.77M | 38.19M | 43.56M | 46.75M | 43.52M | 51.72M | 49.8M | 45.6M | 48.82M | 54.06M | 47.48M | 49.96M | 45.58M | 33.68M | 35.55M | 44.86M | 58.2M | 16.73M | 18.28M | 12.2M | 20.89M | 0 | -113.64M | 0 | 0 | 0 | 0 | 0 | 0 |
| Net Change in Cash | 246.37M | 268.03M | 277.5M | 38.63M | 177.87M | -268.49M | 250.57M | 176.36M | -248.52M | 158.66M | 124.11M | 108.96M | 91.81M | -21.49M | -5.6M | 48.03M | 57.92M | 32.53M | 24.01M | 16.55M | -14.12M | 26.97M | 14.55M | -10.45M | 2.48M | 16.58M | 28.22M | 18.6M | 10.4M |
| Free Cash Flow | 868.94M | 906.41M | 762.01M | 599.23M | 409.01M | 614.54M | 600.96M | 644.3M | 707.6M | 697.6M | 643.3M | 617.46M | 526.27M | 473.11M | 465.32M | 380.78M | 300.99M | 189.61M | 165.77M | 153.2M | 103.98M | 75.69M | 34.81M | 12.03M | 6.31M | -20.81M | -3.51M | -4.6M | -4.1M |
| FCF Margin % | 25.43% | 29.35% | 27.06% | 21.3% | 15.17% | 23.61% | 25.56% | 28.73% | 32.74% | 33.38% | 32.24% | 32.16% | 30.38% | 31.94% | 33.79% | 33.06% | 34.13% | 29.03% | 25.5% | 29.14% | 26.39% | 26.9% | 20.34% | 10.38% | 5.82% | -19.38% | -3.23% | -16.55% | -85.42% |
| FCF Growth % | -4.13% | 18.95% | 27.17% | 46.51% | -33.45% | 2.26% | -6.73% | -8.95% | 1.43% | 8.44% | 4.19% | 17.33% | 11.24% | 1.67% | 22.2% | 26.51% | 58.74% | 14.38% | 8.21% | 47.34% | 37.37% | 117.42% | 189.5% | 90.71% | 130.3% | -493.24% | 23.74% | -12.2% | - |
| FCF per Share | 15.07 | 15.45 | 12.84 | 9.94 | 6.69 | 9.90 | 9.79 | 10.66 | 11.41 | 10.77 | 9.46 | 8.51 | 6.92 | 5.98 | 5.83 | 4.67 | 3.71 | 2.37 | 1.99 | 1.80 | 1.24 | 0.98 | 0.24 | 0.21 | 0.12 | -0.46 | -0.08 | -0.11 | -0.16 |
| FCF Conversion (FCF/Net Income) | 1.20x | 1.37x | 1.40x | 1.65x | 1.37x | 1.95x | 2.15x | 1.75x | 1.68x | 1.76x | 1.94x | 1.88x | 1.76x | 1.80x | 1.80x | 1.73x | 2.07x | 2.21x | 2.61x | 2.20x | 1.90x | 1.81x | 1.12x | 3.57x | -1.10x | 0.38x | 0.72x | 0.47x | 0.92x |
| Interest Paid | 0 | 0 | 0 | 2.97M | 7.98M | 5.28M | 6.57M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 205.72M | 181.63M | 191.57M | 110.04M | 99.38M | 80.24M | 100.57M | 104.88M | 162.94M | 164.36M | 189.24M | 169.42M | 156.83M | 145.87M | 84.75M | 67.12M | 48.59M | 48.8M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Quick answers to the most common questions about buying FFIV stock.
F5, Inc. (FFIV) generated $949.7M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
F5, Inc. (FFIV) generated $906.4M 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.
F5, Inc. (FFIV) spent $43.3M 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, F5, Inc. (FFIV) spent $502.1M on share repurchases. This shows the company's commitment to returning capital to its equity investors.
Key Metrics
Top Statement Risk
Working capital timing drives FCF volatility
Metrics are mathematically derived from official filings.
Operating Cash Conversion Swings Sharply Quarter to Quarter
Based on reported figures, F5's operating cash flow to net income ratio ranged from 0.63 in Q4 FY2026 to 2.48 in Q2 FY2026, a spread wide enough to make any single quarter's earnings quality difficult to read in isolation.
The ratio exceeding 1.0 in most quarters suggests non-cash charges such as stock-based compensation and amortization, alongside working capital inflows, are lifting operating cash flow above reported earnings. The sub-1.0 reading in Q4 FY2026 appears driven by a roughly $144M working capital outflow rather than a clear deterioration in underlying profitability, which warrants monitoring to confirm whether it reverses in subsequent periods.
Free Cash Flow Margins Driven by Timing
According to reported quarterly figures, F5's free cash flow margin peaked at 42.8% in Q2 FY2026 before falling to 9.9% in Q4 FY2026, indicating that the trajectory is dominated by working capital timing rather than a steady structural trend.
Over the ten quarters shown, capital expenditure stayed below 4.1% of revenue, so the swings in free cash flow appear largely attributable to operating cash flow and working capital movements. Investors should be cautious about extrapolating the strong first-half FY2026 margins, as the period average sits well below the Q2 peak and the Q4 figure may better reflect a normalized run rate.
Asset-Light Capital Intensity Persists
As reported in financial statements, F5's capital expenditure has remained between 0.8% and 4.1% of quarterly revenue, a low intensity profile consistent with a software-weighted business model.
Capex has trended upward in the most recent quarters, moving from roughly 0.8% of revenue in late FY2024 to 2.9% in Q4 FY2026, which may reflect investment in cloud infrastructure supporting the SaaS transition. Depreciation and amortization of roughly $23M to $25M per quarter remains well above capex in most periods, suggesting the asset base is not being fully reinvested, a pattern that could become a constraint if cloud hosting requirements expand materially.
Buybacks Dominate Capital Return Strategy
Based on F5's reported figures, the company has deployed $100M to $301M per quarter into share repurchases while paying no dividends, making buybacks the primary channel for returning cash to shareholders.
The consistency of the buyback program, including a $301.1M deployment in Q1 FY2026, suggests management views repurchases as the preferred use of excess cash, which supports per-share metrics even during periods of modest top-line growth. Acquisition outflows of $10M to $147M in several quarters indicate a parallel commitment to inorganic growth, and the balance between these two uses of cash warrants ongoing scrutiny as the Distributed Cloud platform matures.
Cumulative Cash Generation Exceeds Reported Earnings
Across the ten quarters shown, F5 reported cumulative net income of roughly $1.7B against cumulative operating cash flow of roughly $2.3B, based on reported figures, indicating that cash generation has outpaced accounting profit over this window.
The positive cumulative gap is consistent with large non-cash add-backs, principally stock-based compensation of roughly $60M per quarter and amortization tied to acquisitions, which depress GAAP net income relative to cash earnings. While this gap appears favorable on the surface, it may also reflect the ongoing cost of equity compensation that dilutes shareholders, so investors should weigh SBC as a real economic expense rather than treating the cash advantage as entirely free value.
Strong Cash Quarters May Overstate Run Rate
Based on reported quarterly figures, the first-half FY2026 cash strength may partly reflect favorable working capital timing, as the Q4 FY2026 free cash flow margin of 9.9% sits far below the Q2 peak of 42.8%.
Working capital swung from a $131.5M inflow in Q2 FY2026 to a $144.1M outflow in Q4 FY2026, a reversal large enough that a meaningful share of reported operating cash flow strength could be non-recurring in nature. Buybacks of $100M to $301M per quarter have been funded at a pace that the normalized free cash flow base may not comfortably support in every period, which investors should monitor against the company's ongoing acquisition activity.