Free cash flow generation is highly inconsistent, ranging from a -2.4% margin in 2025Q2 to a 73.9% margin in 2026Q4, largely driven by volatile working capital swings.
| Metric | Mar'26 | Mar'25 | Mar'24 | Mar'23 | Mar'22 | Mar'21 | Mar'20 | Mar'19 | Mar'18 | Mar'17 | Mar'16 | Mar'15 | Mar'14 | Mar'13 | Mar'12 | Mar'11 | Mar'10 | Mar'09 | Mar'08 | Mar'07 | Mar'06 | Mar'05 | Mar'04 | Mar'03 | Mar'02 | Mar'01 | Mar'00 | Mar'99 |
|---|
| Cash from Operations | 294.54M | 217.67M | 58.81M | 156.65M | 296.01M | 213.92M | 225.02M | 149.84M | 222.45M | 227.81M | 95.28M | 106.93M | 110.95M | 95.41M | 68.31M | 68.54M | 47.22M | 44.4M | 36.34M | 14.42M | 15.62M | 10.46M | 5.87M | 3.14M | 13.68M | 17.69M | 15.28M | 12.8M |
| Operating CF Margin % | 34.27% | 26.46% | 7.09% | 17.13% | 34.6% | 25.73% | 25.23% | 16.47% | 22.54% | 19.6% | 9.97% | 23.57% | 27.97% | 27.22% | 22.13% | 23.59% | 18.14% | 16.59% | 21.51% | 14.07% | 15.96% | 12.27% | 8.2% | 4.38% | 16.62% | 16.39% | 17.73% | 18.93% |
| Operating CF Growth % | 35.31% | 270.12% | -62.46% | -47.08% | 38.37% | -4.93% | 50.18% | -32.64% | -2.35% | 139.08% | -10.89% | -3.62% | 16.28% | 39.68% | -0.34% | 45.13% | 6.37% | 22.18% | 152% | -7.71% | 49.4% | 78.3% | 86.72% | -77.03% | -22.71% | 15.81% | 19.36% | - |
| Net Income | 95.53M | -366.92M | -147.73M | 59.65M | 35.87M | 19.35M | -2.75M | -73.32M | 79.81M | 33.29M | -28.37M | 61.19M | 49.11M | 40.61M | 32.43M | 37.27M | 27.92M | 20.05M | -2.09M | 7.74M | 5.8M | 2.87M | -545K | -2.54M | -11.41M | 3.71M | 15.21M | 10.3M |
| Depreciation & Amortization | 66.37M | 63.79M | 74.99M | 85.92M | 95.78M | 105.83M | 116.1M | 137.88M | 153.5M | 160.86M | 140.07M | 19.71M | 18.26M | 17.46M | 16.64M | 13.88M | 14.36M | 13.8M | 9.12M | 3.7M | 3.64M | 3.38M | 3.88M | 4.89M | 14.94M | 11.99M | 2.94M | 2.1M |
| Stock-Based Compensation | 59.95M | 64.78M | 70.8M | 61.99M | 56.07M | 51.89M | 50.86M | 56.33M | 47.32M | 39.19M | 28.35M | 16.58M | 12.93M | 9.59M | 8.65M | 6.44M | 5.46M | 5.12M | 2.07M | 1.47M | 795K | 0 | 136K | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | -28.13M | -37.57M | -45.95M | -54.03M | -12.68M | -23.8M | -9.82M | -33.44M | -127.78M | -11.01M | -42.12M | 2.74M | 5.21M | 3.91M | 5.44M | 3.46M | 5.19M | 8.22M | -1.81M | -132K | 2.38M | 219K | -261K | -166K | -1.73M | -21K | -104K | 100K |
| Other Non-Cash Items | 11.41M | 438.12M | 218.63M | 12.03M | 10.04M | 10.04M | 11.13M | 45.24M | 652K | 313K | 6.58M | 611K | -199K | 830K | 774K | 127K | 567K | 308K | 329K | 892K | 575K | 104K | 61K | 1.95M | 2.39M | 2.24M | 491K | 300K |
| Working Capital Changes | 89.41M | 55.47M | -111.92M | -8.9M | 110.92M | 50.61M | 59.5M | 17.16M | 68.95M | 5.16M | -9.23M | 6.11M | 25.64M | 23.01M | 4.38M | 7.37M | -6.26M | -3.11M | 28.71M | 753K | 2.44M | 3.88M | 2.6M | -998K | 9.49M | -224K | -3.26M | 24.4M |
| Change in Receivables | -12.45M | 28.66M | -48.38M | 4.9M | 49.32M | 16.88M | 21.47M | -22.18M | 84.95M | -48.08M | -23.26M | -21.8M | 13.45M | 82K | -4M | 2.75M | -25.73M | -7.78M | 7.16M | -1.55M | -4.88M | 0 | 1.05M | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | 2.19M | 128K | 609K | 9.01M | -8M | -2.04M | 1.5M | 5.32M | 1.01M | 12.46M | 5.52M | -499K | -6.8M | 1.43M | -892K | 256K | -2.17M | 4.93M | -3.08M | -1.93M | 39K | 252K | -384K | 716K | 4.96M | -5.52M | 34K | -100K |
| Change in Payables | 4.72M | 3.24M | -1.86M | -5.55M | 4.21M | -1.73M | -4.29M | -3.88M | -8.93M | 405K | 2.33M | 1.35M | 1.5M | -2.35M | -2.19M | 2.58M | -238K | -2.82M | -2.04M | 296K | 207K | 0 | 581K | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -92.83M | -7M | 13.36M | 15.3M | -68.35M | 24.7M | -4.31M | -26.25M | 57.13M | -42.28M | 25.09M | -56.19M | -76.58M | -21.74M | 9.21M | -61.31M | -61.08M | -17.84M | 466K | -59M | -13.34M | 26.11M | -32.05M | 20.37M | -51.14M | -6.32M | -24.22M | 6.3M |
| Capital Expenditures | -9.11M | -5.41M | -6.34M | -10.48M | -10.35M | -11.99M | -19.92M | -23.53M | -16.59M | -32.15M | -30.37M | -12.98M | -14.15M | -11.95M | -11.29M | -8.84M | -7.22M | -4.97M | -5.37M | -3.67M | -4.89M | -3.42M | -1.73M | -2.12M | -6.22M | -4.88M | -4.42M | -2.5M |
| CapEx % of Revenue | 1.06% | 0.66% | 0.76% | 1.15% | 1.21% | 1.44% | 2.23% | 2.59% | 1.68% | 2.77% | 3.18% | 2.86% | 3.57% | 3.41% | 3.66% | 3.04% | 2.77% | 1.86% | 3.18% | 3.58% | 5% | 4.01% | 2.41% | 2.96% | 7.56% | 4.52% | 5.12% | 3.7% |
| Acquisitions | 0 | 0 | 7.77M | 0 | 0 | 0 | -11.29M | -3.29M | -8.33M | 8.26M | 37.01M | -174K | -1.09M | -51.27M | -46.72M | 408K | 408K | 0 | -30.94M | 1.49M | -9.46M | 0 | 0 | 0 | 0 | -23.25M | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 11.77M | -1.29M | -25K | -161K | -205K | -4.45M | -31K | -97K | 193K | 129K | -150K | 229K | 1.21M | -804K | 0 | -408K | -408K | 0 | -515K | -1.49M | -11.18M | 0 | -1.32M | 0 | 0 | 0 | 2M | 0 |
| Cash from Financing | -76.69M | -142.01M | -69.35M | -419.43M | -54.16M | -118.31M | -286.87M | -79.28M | -220.96M | -90.6M | -15.3M | -48.76M | -31.96M | -91M | -27.42M | -3.38M | -5.05M | -1.31M | 458K | 1.83M | 2.32M | 1.49M | 1.37M | 982K | 426K | 1.49M | 31.98M | 0 |
| Debt Issued (Net) | 0 | -100M | 0 | -250M | -3.66M | -100M | -100M | -50M | 294.62M | 0 | 294.62M | 0 | 0 | -62M | -7.42M | -11.25M | -13.14M | -6.25M | -2.28M | 0 | 0 | 0 | 0 | 0 | 0 | -1.22M | 0 | 0 |
| Equity Issued (Net) | -76.69M | -25.26M | -50M | -150.04M | -35.65M | -3.27M | -175M | -14.46M | -514.92M | -89.55M | -311.85M | -51.71M | -34.32M | -27.45M | -20.59M | 0 | 3.04M | 4.57M | 2.74M | 1.42M | 2.32M | 1.49M | 1.37M | 982K | 426K | 2.71M | 31.98M | 0 |
| 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 |
| Share Repurchases | -76.69M | -25.26M | -50M | -150.04M | -35.65M | -3.27M | -175M | -14.47M | -501.32M | -89.56M | -311.85M | -51.71M | -34.32M | -27.45M | -20.59M | 0 | 0 | 0 | 0 | -2.45M | 0 | 0 | -124K | 0 | -449K | 0 | 0 | -44.4M |
| Other Financing | 0 | -16.75M | -19.36M | -19.39M | -14.85M | -15.03M | -11.87M | -14.82M | -659K | -1.04M | 1.93M | 2.95M | 2.36M | -1.56M | 592K | 7.87M | 5.06M | 362K | 0 | 405K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Net Change in Cash | 129.08M | 67.74M | 2.88M | -249.37M | 168.99M | 126.94M | -69.58M | 39.09M | 65M | 94.17M | 105.82M | 2.82M | 2.15M | -17.32M | 50.09M | 3.85M | -18.9M | 25.52M | 37.78M | -42.75M | 4.61M | 38.06M | -24.81M | 24.49M | -37.04M | 12.87M | 23.04M | 19.1M |
| Free Cash Flow | 285.43M | 210.97M | 52.47M | 146M | 285.61M | 197.4M | 205.1M | 126.31M | 205.86M | 195.66M | 64.92M | 93.95M | 96.79M | 83.46M | 57.02M | 59.7M | 40M | 39.43M | 30.96M | 10.75M | 10.73M | 7.04M | 4.14M | 1.02M | 7.46M | 12.82M | 10.86M | 10.3M |
| FCF Margin % | 33.21% | 25.64% | 6.33% | 15.96% | 33.38% | 23.75% | 23% | 13.88% | 20.86% | 16.84% | 6.79% | 20.71% | 24.4% | 23.81% | 18.47% | 20.55% | 15.37% | 14.73% | 18.33% | 10.49% | 10.96% | 8.26% | 5.79% | 1.42% | 9.06% | 11.87% | 12.61% | 15.24% |
| FCF Growth % | 35.29% | 302.05% | -64.06% | -48.88% | 44.69% | -3.76% | 62.38% | -38.64% | 5.21% | 201.41% | -30.91% | -2.94% | 15.97% | 46.38% | -4.49% | 49.23% | 1.46% | 27.35% | 188.14% | 0.16% | 52.42% | 70.07% | 306.58% | -86.35% | -41.81% | 17.98% | 5.47% | - |
| FCF per Share | 3.98 | 2.91 | 0.73 | 2.00 | 3.80 | 2.67 | 2.73 | 1.61 | 2.33 | 2.11 | 0.79 | 2.26 | 2.31 | 1.97 | 1.33 | 1.39 | 0.95 | 0.96 | 0.89 | 0.33 | 0.34 | 0.22 | 0.14 | 0.03 | 0.25 | 0.43 | 0.40 | 0.43 |
| FCF Conversion (FCF/Net Income) | 3.08x | -0.59x | -0.40x | 2.63x | 8.25x | 11.05x | -81.71x | -2.04x | 2.79x | 6.84x | -3.36x | 1.75x | 2.26x | 2.35x | 2.11x | 1.84x | 1.69x | 2.21x | -17.40x | 1.86x | 2.70x | 3.64x | -10.76x | -1.24x | -1.20x | 4.77x | 1.00x | 1.24x |
| Interest Paid | 0 | 4.19M | 6.43M | 8.06M | 4.96M | 7.68M | 17.64M | 23.28M | 9.6M | 6.44M | 3.81M | 0 | 0 | 325K | 1.25M | 2.08M | 3.06M | 5.88M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 42.72M | 41.8M | 62.32M | 55.92M | 31.7M | 11.47M | 13.06M | 13.38M | 18.22M | 49.29M | 50.66M | 29.23M | 21.46M | 13.33M | 13.16M | 7.85M | 2.9M | 4.86M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cyclical Carrier Capex Exposure
As reported in recent financial filings, the relationship between net income and operating cash flow is highly erratic, with OCF/NI ratios swinging from -19.99 in 2026Q1 to 8.35 in 2026Q4, suggesting that GAAP earnings are frequently decoupled from the company's actual cash-generating capacity.
The extreme volatility in the conversion ratio indicates that net income is heavily influenced by non-cash charges and accounting adjustments rather than operational performance. Investors should monitor whether this divergence is a permanent feature of the company's revenue recognition model or a temporary byproduct of lumpy contract cycles.
Based on the provided quarterly data, free cash flow margins have fluctuated wildly from a low of -2.4% in 2025Q2 to a peak of 73.9% in 2026Q4, highlighting a lack of consistent cash flow generation that complicates long-term valuation for institutional stakeholders.
The erratic FCF trajectory suggests that the company's cash flow is highly sensitive to the timing of large-scale service provider procurement cycles. This inconsistency makes it difficult to rely on FCF as a stable metric for assessing the company's underlying operational health or its ability to fund future growth.
According to the cash flow statements, working capital changes are the primary engine of cash flow variability, with a significant $103.8 million inflow in 2026Q4 contrasting sharply with a $47.0 million outflow in 2026Q2, indicating aggressive fluctuations in receivables and payables management.
These dramatic shifts in working capital suggest that the company's cash position is heavily dependent on the timing of customer payments and inventory management rather than steady-state operational efficiency. Such reliance on working capital movements warrants further investigation into the sustainability of these cash inflows.
As evidenced by the quarterly cash flow data, the company has utilized its cash reserves to fund share repurchases, including a $45.1 million outlay in 2026Q4, despite the lack of consistent organic growth and the inherent volatility in its core service assurance business model.
The decision to prioritize share buybacks over other forms of capital deployment suggests a management focus on supporting the share price rather than aggressive reinvestment in new growth initiatives. Investors should consider whether this capital allocation strategy is the most effective use of resources given the company's current competitive challenges.
Quick answers to the most common questions about buying NTCT stock.
NetScout Systems, Inc. (NTCT) generated $294.5M in net cash from operating activities in 2026. This reflects the cash generated directly from core business operations.
NetScout Systems, Inc. (NTCT) generated $285.4M in free cash flow in 2026. Free cash flow is the cash left over after capital expenditures, which can be used to pay dividends, repurchase shares, or pay down debt.
NetScout Systems, Inc. (NTCT) spent $9.1M on capital expenditures in 2026. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.
In 2026, NetScout Systems, Inc. (NTCT) spent $76.7M on share repurchases. This shows the company's commitment to returning capital to its equity investors.