Cash flow remains volatile, evidenced by a $527.0 million share repurchase in 2026Q1 occurring alongside a significant divergence between net income and operating cash flow, resulting in an OCF/NI ratio of 50.67.
| 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 |
|---|
| Cash from Operations | 528.8M | 430M | 392.6M | 489.5M | 478.7M | 469.73M | 486.11M | 457.78M | 335.46M | 234.7M | 200.64M | 139.77M | 143.91M | 108.3M | 86.13M | 27.79M | 39.27M | 38.45M | 40.91M | 51.8M | 32.75M | 22.92M | 24.72M | 13.55M | 5.57M | -4.55M | -26.85M | -7.5M | -300K | -2.2M |
| Operating CF Margin % | - | 13.24% | 14.35% | 19.94% | 21.93% | 24.16% | 29.3% | 32.71% | 28.15% | 24.32% | 23.95% | 19.64% | 24.99% | 24.56% | 24.61% | 11.04% | 17.36% | 18.34% | 19.26% | 26.87% | 20.61% | 17.06% | 22.06% | 14.25% | 7.02% | -6.27% | -45.89% | -24.83% | -2.16% | -27.85% |
| Operating CF Growth % | 377.21% | 9.53% | -19.8% | 2.26% | 1.91% | -3.37% | 6.19% | 36.46% | 42.93% | 16.98% | 43.55% | -2.87% | 32.88% | 25.74% | 209.97% | -29.24% | 2.14% | -6.02% | -21.03% | 58.16% | 42.9% | -7.3% | 82.46% | 143.09% | 222.57% | 83.06% | -257.95% | -2400% | 86.36% | - |
| Net Income | 25.3M | 7M | 138.7M | 374.7M | 369.5M | 292.56M | 227.13M | 314.96M | 238.33M | 122.69M | 85.07M | -3.46M | 44.87M | 29.73M | 9.91M | 14.66M | 13.29M | 18.69M | 24.62M | 15.95M | 12.41M | 6.46M | 24.98M | 100K | -4.78M | -20.16M | -49.65M | -12.3M | -3.2M | -3.3M |
| Depreciation & Amortization | 296.7M | 242M | 146.9M | 107.5M | 137.9M | 139.56M | 116.94M | 81.17M | 77.74M | 63.64M | 70.17M | 78.53M | 70.37M | 40.06M | 32.75M | 12.85M | 13.65M | 14.68M | 16.8M | 16.15M | 11.81M | 11.71M | 13.01M | 13.17M | 11.79M | 19.25M | 18.81M | 4.9M | 1.1M | 800K |
| Stock-Based Compensation | 164.6M | 0 | 89M | 85M | 75.2M | 63.71M | 53.45M | 52.26M | 41.21M | 39.03M | 36.35M | 34.54M | 28.27M | 41.55M | 12.28M | 8.1M | 8.31M | 6.46M | 4.94M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | 34.1M | 36M | -50.1M | -37.2M | -31.2M | 24.16M | -11.53M | 8.22M | 3.67M | -2.9M | 15.63M | -5.79M | -1.37M | -12.74M | 13.64M | -17.1M | 1.67M | -2.43M | 2.15M | 9.95M | 0 | 0 | 0 | 0 | 0 | 0 | -2.05M | 0 | 0 | 0 |
| Other Non-Cash Items | 60.2M | 413M | 187.3M | 159.4M | 132.9M | 104.48M | 114M | 88.13M | 55.8M | 11.91M | 10.64M | 13.77M | -17.47M | -14.15M | 3.37M | -1.59M | 1.24M | 4.37M | -1.27M | 7.9M | 13.63M | 5.6M | -16.65M | 2.08M | 2.23M | 1.49M | 8.3M | 300K | 300K | 400K |
| Working Capital Changes | -52.1M | -268M | -119.2M | -199.9M | -205.6M | -154.74M | -13.89M | -86.95M | -81.3M | 328K | -17.22M | 22.19M | 19.24M | 23.85M | 14.16M | 10.87M | 1.11M | -3.33M | -6.33M | 1.85M | -5.09M | -855K | 3.38M | -1.79M | -3.66M | -5.12M | -2.26M | -400K | 1.5M | -100K |
| Change in Receivables | -54.3M | -28M | -30.2M | -66.6M | -46.4M | -29.63M | -36.12M | -5.01M | -27.82M | -30.5M | -16.04M | -4M | -12.35M | -6.61M | 1.29M | -4.57M | -1.71M | -1.51M | -5.66M | -2.94M | -5.08M | -2.65M | 117K | 885K | -3M | -2.29M | -1.33M | -1.9M | -400K | -200K |
| Change in Inventory | 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 |
| Change in Payables | 7.1M | -12M | 43.5M | 33.9M | 23.2M | -30.05M | 100.85M | 17.75M | -14.13M | 11.53M | -1.52M | 9.94M | 6.08M | -3.88M | 1.63M | 2.23M | 6.75M | 1.53M | -3.04M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -1.96B | -2.82B | -912.9M | -238.6M | -69.1M | -381.34M | -464.16M | -483.75M | -448M | -72.27M | -23.26M | -215.5M | -605.99M | -18.97M | -640.4M | 58.37M | -40.5M | 4.53M | 52.43M | -40.4M | -28.49M | -38.73M | -29.95M | -65.52M | -11.47M | -10.35M | -17.7M | -16.5M | -2.3M | -1.7M |
| Capital Expenditures | -287.5M | -389M | -637.9M | -142.8M | -93.8M | -65.22M | -48.35M | -46.2M | -29.63M | -24.5M | -18.77M | -35.06M | -27.44M | -19.04M | -14.83M | -15.01M | -57.36M | -9.42M | -3.66M | -14.27M | -12.96M | -8.39M | -9.03M | -4.26M | -4.02M | -2.1M | -11.49M | -14.2M | -1.3M | -1.1M |
| CapEx % of Revenue | 8.43% | 11.98% | 23.31% | 5.82% | 4.3% | 3.35% | 2.91% | 3.3% | 2.49% | 2.54% | 2.24% | 4.93% | 4.77% | 4.32% | 4.24% | 5.96% | 25.35% | 4.49% | 1.72% | 7.4% | 8.16% | 6.25% | 8.06% | 4.48% | 5.06% | 2.89% | 19.65% | 47.02% | 9.35% | 13.92% |
| Acquisitions | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | -76.4M | 0 | 1.7M | 0 | 30.1M | -123.15M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 83.55M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16.39M | -16.81M | -169.9K | -3.13M | -2.3M | -1M | -600K |
| Cash from Financing | -1.03B | -559M | -13.7M | -3.7M | 733.98M | -15.68M | 2.66B | -4.15M | 2.74M | 480.43M | -30.56M | -29.03M | 733.51M | 10.4M | 164.94M | 254.78M | 2.04M | 2.17M | 11.47M | 8.16M | 5.58M | 7.41M | 6.3M | 61.76M | 696K | 1.72M | -2.43M | 98.3M | 21.2M | 1.7M |
| Debt Issued (Net) | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Equity Issued (Net) | -858.6M | -551M | -5M | -3M | 736.13M | -15.27M | 1.68B | -2.5M | 2.74M | 828.9M | -10.56M | -9.03M | 484.55M | 9.66M | 5.66M | 252.24M | 1.14M | 1.77M | 6.16M | 8.16M | 5.58M | 7.41M | 6.3M | 61.76M | 696K | 1.72M | 2.1M | 98.3M | 22.8M | 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 | 0 | 0 |
| Share Repurchases | -869.6M | -575M | -29.5M | -26.4M | -23.11M | -33.31M | -38.87M | -27.58M | -24.33M | -14.9M | -16.42M | -16.44M | -50.55M | -8.47M | -4.2M | -2.31M | -2.9M | -672K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | -164.5M | -8M | -3.6M | 0 | 45K | -411K | -18.3M | -1.66M | 0 | -3.47M | 0 | 0 | 17.09M | 18.24M | -11.35M | 2.54M | 902K | 403K | 5.32M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -4.53M | 0 | 100K | 0 |
| Net Change in Cash | -2.46B | -2.95B | -534.9M | 247.9M | 1.14B | 71.21M | 2.69B | -29.68M | -111.05M | 644.24M | 145.41M | -105.19M | 271.06M | 99.93M | -389.25M | 338.88M | 619K | 45.8M | 102.2M | 19.63M | 10.09M | -8.74M | 1.16M | 10.1M | -5.2M | -13.18M | -46.97M | 74.4M | 18.6M | -2.2M |
| Free Cash Flow | 241.3M | 41M | -245.3M | 464.2M | 420.05M | 404.51M | 437.76M | 411.58M | 305.83M | 210.2M | 181.88M | 104.71M | 116.47M | 89.26M | 71.29M | 10.67M | -18.09M | 29.02M | 37.25M | 37.53M | 19.79M | 14.53M | 15.69M | 9.67M | 1.56M | -6.65M | -38.34M | -21.7M | -1.6M | -3.3M |
| FCF Margin % | 7.07% | 1.26% | -8.96% | 18.91% | 19.25% | 20.81% | 26.39% | 29.4% | 25.66% | 21.78% | 21.71% | 14.71% | 20.22% | 20.24% | 20.37% | 4.24% | -7.99% | 13.84% | 17.54% | 19.46% | 12.46% | 10.81% | 14% | 10.17% | 1.96% | -9.17% | -65.54% | -71.85% | -11.51% | -41.77% |
| FCF Growth % | 888.56% | 116.71% | -152.84% | 10.51% | 3.84% | -7.6% | 6.36% | 34.58% | 45.49% | 15.58% | 73.69% | -10.09% | 30.48% | 25.2% | 568.03% | 159% | -162.32% | -22.08% | -0.74% | 89.61% | 36.25% | -7.42% | 62.26% | 520.67% | 123.44% | 82.67% | -76.68% | -1256.25% | 51.52% | - |
| FCF per Share | 0.58 | 0.10 | -0.60 | 1.14 | 1.06 | 1.03 | 1.14 | 1.12 | 0.84 | 0.63 | 0.56 | 0.33 | 0.38 | 0.32 | 0.26 | 0.05 | -0.09 | 0.15 | 0.19 | 0.19 | 0.10 | 0.08 | 0.08 | 0.06 | 0.01 | -0.04 | -0.25 | -0.19 | -0.02 | -0.06 |
| FCF Conversion (FCF/Net Income) | 9.54x | 61.43x | 2.83x | 1.31x | 1.30x | 1.61x | 2.14x | 1.45x | 1.41x | 1.91x | 2.36x | -40.34x | 3.21x | 3.64x | 8.69x | 1.90x | 2.96x | 2.06x | 1.66x | 3.25x | 2.64x | 3.55x | 0.99x | 135.50x | -1.17x | 0.23x | 0.54x | 0.61x | 0.09x | 0.67x |
| Interest Paid | 0 | 0 | 31M | 30.7M | 29.9M | 31.51M | 5.95M | 2M | 1.42M | 6.45M | 6.71M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 99.8M | 163.2M | 169.2M | 82.12M | 45.78M | 68.94M | 35.98M | 41.28M | 34.13M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Residential market expansion execution
According to reported financial statements, the relationship between net income and operating cash flow remains highly volatile, with OCF/NI ratios swinging from 1.54 in 2023Q4 to an extreme 50.67 in 2026Q1, highlighting a significant disconnect between accounting profits and actual cash generation capabilities.
The massive disparity between net income and operating cash flow suggests that non-cash charges and working capital fluctuations are heavily distorting the company's reported earnings. Investors should monitor this divergence closely, as it implies that the core business's ability to convert profit into cash is currently obscured by aggressive investment accounting and timing differences.
As indicated by recent quarterly data, free cash flow margins have exhibited extreme instability, ranging from a negative 36.7% in 2024Q1 to a positive 42.3% in 2025Q3, reflecting the lumpy nature of capital expenditures and the company's ongoing transition toward a more capital-intensive residential growth strategy.
The erratic FCF trajectory suggests that the company is prioritizing long-term market share over consistent cash flow generation. This pattern warrants further investigation into whether the current level of capital intensity is a temporary phase or a permanent shift in the company's operational model.
Based on the provided figures, capital expenditures have spiked significantly, reaching a peak of 57.9% of revenue in 2024Q1, which underscores the heavy investment required to build out the residential platform and maintain the company's proprietary data infrastructure against emerging competitive threats.
The high ratio of CapEx to revenue suggests that the company is in a heavy reinvestment cycle that may suppress free cash flow for the foreseeable future. Analysts should evaluate whether these expenditures are effectively replacing aging assets or primarily funding the aggressive expansion into new, unproven residential markets.
Analysis of the cash flow statements reveals that working capital changes have been a persistent drag on cash, with negative adjustments totaling $25.0 million in 2026Q1, suggesting potential inefficiencies in collections or inventory management as the company scales its diverse portfolio of digital marketplaces.
The recurring negative impact of working capital on cash flow may indicate that the company is extending more lenient payment terms to attract new residential customers. This trend appears to be a strategic lever for growth, but it may also signal a weakening in the company's historical pricing power.
As reported in recent filings, the company has utilized significant cash reserves for share repurchases, including a $527.0 million outlay in 2026Q1, even while operating margins remain strained, indicating a management preference for supporting equity value despite the ongoing heavy investment in residential expansion.
The decision to return capital to shareholders while simultaneously funding massive growth initiatives suggests a high degree of confidence in the long-term viability of the residential pivot. However, this strategy may leave the company with less flexibility should the residential market fail to meet growth expectations.
Quick answers to the most common questions about buying CSGP stock.
CoStar Group, Inc. (CSGP) generated $430.0M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
CoStar Group, Inc. (CSGP) generated $41.0M 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.
CoStar Group, Inc. (CSGP) spent $389.0M 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, CoStar Group, Inc. (CSGP) spent $575.0M on share repurchases. This shows the company's commitment to returning capital to its equity investors.