Operating cash flow of $200M in 2026Q2 contrasted with a net loss of $136M (OCF/NI of -1.47), and free cash flow swung from $233.8M in 2025Q1 to -$42M in 2026Q1, reflecting extreme volatility and deteriorating earnings quality.
Waters Corporation (WAT) cash flow statement — 30-year operating, investing & financing cash flows
| 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 | 548.86M | 652.55M | 762.12M | 602.81M | 611.66M | 747.27M | 790.51M | 643.09M | 604.45M | 697.64M | 629.08M | 560.29M | 511.65M | 484.88M | 449.28M | 497.37M | 457.86M | 418.26M | 418.25M | 370.51M | 263.59M | 298.07M | 259.45M | 157M | 219.65M | 189.15M | 175.59M | 150.2M | 110.2M | 96.4M | 55.7M |
| Operating CF Margin % | - | 20.62% | 25.76% | 20.39% | 20.58% | 26.82% | 33.42% | 26.72% | 24.98% | 30.21% | 29.02% | 27.43% | 25.72% | 25.46% | 24.37% | 26.87% | 27.86% | 27.91% | 26.55% | 25.15% | 20.59% | 25.73% | 23.49% | 16.39% | 24.68% | 22.01% | 22.08% | 21.32% | 17.81% | 20.71% | 14.24% |
| Operating CF Growth % | 245.06% | -14.38% | 26.43% | -1.45% | -18.15% | -5.47% | 22.92% | 6.39% | -13.36% | 10.9% | 12.28% | 9.51% | 5.52% | 7.92% | -9.67% | 8.63% | 9.47% | 0% | 12.89% | 40.56% | -11.57% | 14.88% | 65.25% | -28.52% | 16.12% | 7.72% | 16.9% | 36.3% | 14.32% | 73.07% | 20.56% |
| Net Income | 166.14M | 642.63M | 637.83M | 642.23M | 707.75M | 692.84M | 521.57M | 592.2M | 593.79M | 20.31M | 521.5M | 469.05M | 431.62M | 450M | 461.44M | 432.97M | 381.76M | 323.31M | 322.48M | 268.07M | 222.2M | 201.97M | 224.05M | 170.89M | 147.71M | 114.54M | 156.11M | 122.3M | 74.4M | -8.3M | 19.9M |
| Depreciation & Amortization | 613.22M | 206.24M | 191.82M | 165.91M | 130.42M | 131.68M | 135.35M | 105.3M | 108.41M | 106M | 96.45M | 89.99M | 94.23M | 79.69M | 68.83M | 66.39M | 62.56M | 57.27M | 65.27M | 53.32M | 46.16M | 43.69M | 41.93M | 33.85M | 37.19M | 33.95M | 29.44M | 29.6M | 28.4M | 21.1M | 17.8M |
| Stock-Based Compensation | 73.15M | 54.13M | 44.71M | 36.87M | 42.56M | 29.92M | 36.87M | 38.58M | 37.54M | 39.44M | 41M | 33.37M | 33M | 31.71M | 29.18M | 27.58M | 24.85M | 28.25M | 30.78M | 28.86M | 28.81M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | -17.53M | -14.66M | -877K | -1.2M | -31.99M | 16.63M | -2.69M | 9.62M | 2.4M | 45.51M | 1.2M | 6.58M | 1.58M | 169K | -52.22M | -5.82M | -15.04M | 36.28M | -19.63M | 5.95M | 506K | 10.23M | 1.47M | -5.93M | -756K | 1.84M | -4.44M | 3.4M | -10.4M | -5.9M | 0 |
| Other Non-Cash Items | 145.14M | -2.4M | 0 | -742K | 31.99M | -16.63M | 2.69M | -9.62M | -2.4M | -45.51M | 870K | 4.55M | 23.24M | 3.66M | 12.98M | 13.4M | 13.82M | 13.08M | 14.56M | 7.41M | 16M | 21.19M | 45.7M | 29.59M | 31.05M | 12.64M | 3.83M | 200K | 200K | 8.4M | 15.3M |
| Working Capital Changes | -431.26M | -233.38M | -111.37M | -240.26M | -269.08M | -107.17M | 96.72M | -92.98M | -135.3M | 531.89M | -31.95M | -43.25M | -72.02M | -80.36M | -70.94M | -37.13M | -10.1M | -39.93M | 4.79M | 6.91M | -50.09M | 20.98M | -53.7M | -71.4M | 4.44M | 26.17M | -9.35M | -15.3M | -6.7M | 9.4M | 2.7M |
| Change in Receivables | -631.37M | -55.5M | -66.24M | 49.18M | -137.87M | -62.45M | 37.47M | -22.2M | -47.92M | -24.01M | -31.72M | -49.89M | -29.43M | -35.23M | -39.84M | -12.53M | -43.29M | -16.91M | 3.92M | 1.38M | 4.25M | -6.51M | -36.45M | -188K | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | -63.26M | -65.93M | 20.94M | -45.44M | -101.9M | -67.25M | 18.94M | -31.85M | -25.4M | 731K | -20.15M | -19.97M | -15.98M | -11.39M | -21.66M | -18.84M | -37.04M | -6.82M | -20.62M | -6.37M | -29.85M | -6.97M | -11.57M | 3.63M | -4.58M | -15.93M | -10.46M | -1.5M | -8.2M | -2.3M | 5.4M |
| Change in Payables | 310.08M | -89.01M | 61.59M | -79.52M | 60.98M | 46.11M | 140.6M | 9.78M | -81.66M | 3.17M | 6.84M | 27.45M | -13.69M | -28.13M | 563K | -11.85M | 52.02M | -10.83M | -19.97M | 32.31M | 1.67M | 26.8M | 12.2M | -30M | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | 29.35M | -152.25M | -144.02M | -1.44B | -107.97M | -231.63M | -264.09M | 768.8M | 1.68B | -535.75M | -487.92M | -399.74M | -402.03M | -464.73M | -296.39M | -355.98M | -411.51M | -419.03M | 18.81M | -167.91M | -130.37M | -51.05M | -108.61M | -18.66M | -58.32M | -48.27M | -51.69M | -25.7M | -23.6M | -184.5M | -93.1M |
| Capital Expenditures | -152.41M | -112.75M | -142.48M | -160.63M | -183.46M | -168.27M | -172.38M | -163.82M | -127.56M | -90.47M | -94.97M | -103.01M | -106.25M | -118.45M | -104.75M | -85.44M | -62.74M | -93.8M | -69.06M | -60.34M | -51.42M | -51.05M | -66.24M | -34.59M | -37.97M | -42.41M | -35.37M | -21.8M | -18.2M | -179.2M | -10.1M |
| CapEx % of Revenue | 3.28% | 3.56% | 4.82% | 5.43% | 6.17% | 6.04% | 7.29% | 6.81% | 5.27% | 3.92% | 4.38% | 5.04% | 5.34% | 6.22% | 5.68% | 4.62% | 3.82% | 6.26% | 4.38% | 4.1% | 4.02% | 4.41% | 6% | 3.61% | 4.27% | 4.94% | 4.45% | 3.09% | 2.94% | 38.5% | 2.58% |
| Acquisitions | 143.92M | -35.05M | -1.49M | -1.28B | -1.37M | 7M | -86.69M | 8.84M | -31.49M | -2.52B | -5.61M | -23.49M | -27.01M | -41.4M | -31.02M | -11.1M | 0 | -36.09M | -7.8M | -9.08M | -78.95M | 0 | -42.37M | -35.2M | -5.85M | -2.58M | -1.71M | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 53.84M | 2.84M | 0 | 0 | 1.37M | -225.08M | 6.14M | -8.84M | 31.49M | -7M | 4M | 5.15M | 1.56M | 0 | 0 | 0 | 0 | 0 | 0 | 724K | 0 | 0 | 0 | 51.13M | -14.5M | -3.28M | 614K | -3.9M | -5.4M | -5.3M | -83M |
| Cash from Financing | -398.93M | -237.21M | -696.67M | 754.95M | -509.63M | -438.27M | -440.5M | -1.87B | -2.12B | -63.87M | -101.86M | -69.59M | -107.22M | -64.59M | -66.53M | -60.42M | -60.25M | -90.28M | -572.94M | -119.69M | -125.91M | -272.01M | 21.51M | -63.64M | -138.69M | 12.08M | -51.38M | -125.6M | -83.6M | 91.1M | 34.7M |
| Debt Issued (Net) | -279.31M | -243.32M | -730M | 780M | 60M | 160M | -325.37M | 535.19M | -850.16M | 169.98M | 159.97M | 205.08M | 141.9M | 145.56M | 186.22M | 224.78M | 134.28M | 91.75M | -348.56M | -19.29M | 72.22M | 369.18M | 208.78M | 238.39M | 924K | 3.06M | -75.19M | -127.2M | -90.2M | 87.5M | 33.4M |
| Equity Issued (Net) | 9.69M | 6.12M | -13.54M | -70.28M | -626.06M | -648.93M | -196.41M | -2.47B | -1.32B | -332.54M | -325.76M | -334.7M | -337.44M | -301.58M | -295.88M | -370.83M | -296.29M | -192.28M | -208.85M | -109.22M | -209.29M | -642.48M | -186.31M | -296.75M | -88.02M | 9.02M | 23.81M | 1.7M | 6.6M | 2.5M | 1.3M |
| 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 | 0 | 0 |
| Share Repurchases | -14.36M | -14.67M | -13.54M | -70.28M | -626.06M | -648.93M | -196.41M | -2.47B | -1.32B | -332.54M | -325.76M | -334.7M | -337.44M | -301.58M | -295.88M | -370.83M | -296.29M | -211.38M | -237.5M | -200.65M | -249.2M | -659.28M | -231.29M | -324.58M | -99.3M | 0 | 0 | -9.5M | 0 | 0 | 0 |
| Other Financing | -129.32M | -7K | 46.87M | 45.23M | 56.43M | 50.66M | 81.27M | 61.39M | 45.74M | 98.7M | 63.93M | 60.03M | 88.33M | 91.43M | 43.13M | 85.64M | 101.76M | 10.24M | -15.53M | 8.82M | 11.17M | 1.29M | -964K | -5.27M | -1.42M | 0 | 0 | -100K | 0 | 1.1M | 0 |
| Net Change in Cash | 170.62M | 262.48M | -70.66M | -85.45M | -20.7M | 64.54M | 100.98M | -460.56M | 153.96M | 136.69M | 17.97M | 65.49M | -18.62M | -40.24M | 97.05M | 75.49M | -32.61M | -87.41M | -168.81M | 83.17M | 20.58M | -45.49M | 182.3M | 93.47M | 36.51M | 151.29M | 71.71M | -1.7M | 2.4M | 2.6M | -2.6M |
| Free Cash Flow | 396.45M | 539.81M | 619.64M | 442.18M | 428.2M | 579.01M | 618.12M | 479.26M | 476.88M | 607.17M | 534.11M | 457.28M | 405.4M | 366.43M | 344.53M | 411.94M | 395.12M | 324.47M | 349.18M | 310.17M | 212.17M | 247.02M | 193.21M | 122.42M | 181.68M | 146.74M | 140.22M | 128.4M | 92M | -82.8M | 45.6M |
| FCF Margin % | 8.54% | 17.05% | 20.95% | 14.96% | 14.41% | 20.78% | 26.13% | 19.91% | 19.71% | 26.29% | 24.64% | 22.39% | 20.38% | 19.24% | 18.69% | 22.25% | 24.04% | 21.65% | 22.17% | 21.06% | 16.57% | 21.33% | 17.49% | 12.78% | 20.41% | 17.08% | 17.64% | 18.23% | 14.87% | -17.79% | 11.66% |
| FCF Growth % | -35.99% | -12.88% | 40.13% | 3.26% | -26.05% | -6.33% | 28.97% | 0.5% | -21.46% | 13.68% | 16.8% | 12.8% | 10.64% | 6.35% | -16.36% | 4.26% | 21.77% | -7.08% | 12.58% | 46.18% | -14.11% | 27.85% | 57.83% | -32.62% | 23.81% | 4.65% | 9.2% | 39.57% | 211.11% | -281.58% | 14.29% |
| FCF per Share | 4037.02 | 9.04 | 10.41 | 7.46 | 7.10 | 9.33 | 9.90 | 7.03 | 6.14 | 7.53 | 6.56 | 5.50 | 4.76 | 4.23 | 3.87 | 4.46 | 4.20 | 3.35 | 3.47 | 3.03 | 2.04 | 2.13 | 1.57 | 0.96 | 1.34 | 1.07 | 1.03 | 0.97 | 0.77 | -0.71 | 0.38 |
| FCF Conversion (FCF/Net Income) | 2.39x | 1.02x | 1.19x | 0.94x | 0.86x | 1.08x | 1.52x | 1.09x | 1.02x | 34.35x | 1.21x | 1.19x | 1.19x | 1.08x | 0.97x | 1.15x | 1.20x | 1.29x | 1.30x | 1.38x | 1.19x | 1.48x | 1.16x | 0.92x | 1.49x | 1.65x | 1.21x | 1.23x | 1.48x | -11.61x | -23.21x |
| Interest Paid | 0 | 0 | 92.1M | 94.1M | 48.08M | 42.41M | 52.1M | 42.84M | 50.8M | 56.5M | 43.59M | 37.4M | 34.33M | 29.56M | 28.3M | 19.66M | 10.56M | 13.02M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 183.34M | 243.32M | 160.08M | 153.5M | 97.62M | 88M | 159.4M | 70.58M | 50.01M | 51.75M | 60.97M | -55.93M | 59.45M | 50.31M | 39.69M | 23.82M | 40.57M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Quick answers to the most common questions about buying WAT stock.
Waters Corporation (WAT) generated $652.6M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Waters Corporation (WAT) generated $539.8M 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.
Waters Corporation (WAT) spent $112.7M 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, Waters Corporation (WAT) spent $14.7M on share repurchases. This shows the company's commitment to returning capital to its equity investors.
Key Metrics
Top Statement Risk
Revenue surge masking cash volatility
Metrics are mathematically derived from official filings.
Earnings Quality Deteriorates Sharply
In 2026Q2, WAT's operating cash flow of $200M contrasted with a net loss of $136M, per the latest quarterly report, yielding a negative OCF/NI ratio of -1.47, signaling a breakdown in earnings quality.
The negative net income in 2026Q2 appears driven by non-cash charges, as D&A of $301M far exceeded the net loss, while operating cash flow remained positive. This suggests that the reported loss may include significant one-time or non-cash items, but the divergence between net income and cash generation warrants close monitoring. The prior quarter's OCF/NI of 0.04 indicates that cash conversion has been highly inconsistent, with the company's ability to translate earnings into cash varying dramatically quarter to quarter.
Free Cash Flow Volatility Masks Underlying Trend
WAT's free cash flow swung from $233.8M in 2025Q1 to -$42M in 2026Q1, then rebounded to $151M in 2026Q2, per reported figures, reflecting extreme quarter-to-quarter volatility and a declining FCF margin trend.
The FCF margin has been erratic, ranging from 35.3% in 2025Q1 to -3.3% in 2026Q1, with the latest quarter at 9.2%. This volatility appears tied to working capital swings, as evidenced by the large negative working capital changes in several quarters. The recent revenue surge in 2026Q2 did not translate into proportionally higher FCF, suggesting that the growth may be consuming cash or that the margin compression is impacting cash generation. Investors should monitor whether the company can stabilize FCF margins as it integrates the revenue spike.
Capital Intensity Remains Moderate
CapEx as a percentage of revenue has stayed between 2.9% and 6.0% over the past ten quarters, per financial statements, indicating a relatively asset-light model with no signs of aggressive expansion.
The capital expenditure levels appear consistent with maintenance needs rather than growth initiatives, as the CapEx/Revenue ratio has not increased despite the revenue surge. This suggests that the company is not investing heavily in capacity to support the recent growth, which may indicate that the revenue spike is not sustainable or that the company is leveraging existing assets. The moderate capital intensity provides some cushion for FCF, but the lack of growth capex could limit future expansion.
Working Capital Swings Drive Cash Flow Instability
Working capital changes have been highly volatile, with swings from -$256M in 2026Q1 to +$96.7M in 2025Q3, as reported in cash flow statements, indicating significant cash absorption or release tied to operational cycles.
The large negative working capital changes in several quarters, particularly -$144M in 2026Q2 and -$170.3M in 2025Q2, suggest that the company is experiencing significant cash outflows related to receivables, inventory, or payables. This volatility appears to be a primary driver of the erratic operating cash flow, and it may indicate inefficiencies in collections or inventory management. The recent revenue surge could be exacerbating these swings, as the company may be extending credit or building inventory to meet demand. Monitoring working capital efficiency will be crucial to assessing cash flow sustainability.
Minimal Capital Returns Despite Cash Generation
WAT has paid no dividends and repurchased only nominal shares over the past ten quarters, per cash flow data, with buybacks totaling less than $30M, indicating a conservative capital deployment strategy.
The company appears to be retaining all cash generated, with no dividend payments and negligible buyback activity. This suggests that management may be prioritizing debt reduction or building cash reserves, though the data does not show significant debt paydown. The lack of capital returns could be a signal that the company is preparing for a large acquisition or facing uncertainty, but it also means shareholders are not receiving direct cash benefits. The $144M acquisition in 2026Q1 indicates some deployment toward M&A, but the overall strategy appears cautious.
Cumulative Cash Generation Exceeds Net Income
Over the last ten quarters, cumulative operating cash flow of approximately $1.61B has outpaced cumulative net income of about $1.17B, per reported figures, suggesting that earnings understate cash generation.
The cumulative gap of roughly $440M between operating cash flow and net income indicates that the company's cash generation has been stronger than its reported profitability, likely due to significant non-cash charges like D&A. However, this trend has reversed in recent quarters, with 2026Q1 and 2026Q2 showing net losses while operating cash flow remained positive, but the cumulative picture still favors cash. This divergence may indicate that the company's earnings quality is actually better than the recent losses suggest, but the volatility in both metrics warrants caution.
What Could Invalidate the Base Case
The recent revenue surge may be a one-time event, and the margin collapse could persist, undermining the growth narrative, as evidenced by the 2026Q2 operating loss.
The cash flow statement obscures the sustainability of the revenue spike, as the 2026Q2 operating cash flow of $200M appears strong but is heavily influenced by a $301M D&A charge and a $144M working capital outflow. The company's ability to generate cash from operations may be overstated if the revenue surge is not recurring, and the negative working capital changes suggest that cash conversion is deteriorating. Investors should monitor whether the company can maintain positive operating cash flow without relying on non-cash adjustments, as the recent net losses and margin compression could signal a structural decline in cash generation.