Cash flow generation remains highly inconsistent, with FCF margins swinging from 13.5% in 2025Q2 to a negative 42.2% in 2025Q4, largely driven by a CapEx/Revenue ratio that peaked at 57.5%.
| 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 | Oct'06 | Oct'05 | Oct'04 | Oct'03 | Oct'02 | Oct'01 | Oct'00 | Oct'99 | Oct'98 | Oct'97 | Oct'96 |
|---|
| Cash from Operations | 349.61M | 298.82M | 233.02M | 220.86M | 146.42M | 149.49M | 233.76M | 104.32M | 116.75M | 141.19M | 91.6M | 67.04M | 61M | 66.42M | 74.03M | 57.64M | 66.88M | 76.62M | 45.2M | 29.2M | 10.25M | 22M | 17.05M | 20.27M | 13.7M | 13.59M | 8.11M | 1.1M | -1.49M | -2.87M | -973.02K |
| Operating CF Margin % | - | 14.65% | 12.74% | 13.66% | 10.24% | 11.37% | 21.81% | 9.04% | 11.97% | 15.31% | 10.36% | 8.28% | 8.5% | 9.45% | 11.44% | 9.3% | 12.19% | 14.61% | 9% | 6.86% | 6.37% | 15.11% | 12.42% | 14.45% | 9.83% | 12.15% | 9.22% | 1.52% | -2.53% | -4.28% | -1.72% |
| Operating CF Growth % | 216.11% | 28.24% | 5.51% | 50.85% | -2.06% | -36.05% | 124.07% | -10.65% | -17.31% | 54.14% | 36.64% | 9.89% | -8.16% | -10.28% | 28.45% | -13.83% | -12.7% | 69.51% | 54.79% | 184.86% | -53.41% | 29.01% | -15.87% | 48.01% | 0.81% | 67.59% | 636.97% | 173.99% | 48.19% | -194.91% | -108.19% |
| Net Income | -14.19M | 46.77M | 38.84M | 30.34M | 33.61M | 44.32M | -1.75M | 23.44M | 38.13M | 2.08M | 8M | 8.64M | 1.69M | 2.38M | 64.29M | 7.34M | -12.69M | -2.17M | -12.84M | -18.13M | -6.89M | -2.27M | -14.58M | -2.27M | -5.55M | 14.5M | 1.1M | -10.6M | -954.53K | -748.1K | -1.15M |
| Depreciation & Amortization | 162.35M | 152.13M | 198.39M | 189.49M | 184.72M | 170.66M | 154.71M | 147.45M | 72.9M | 66.8M | 66.61M | 60.61M | 59.26M | 58.89M | 57.74M | 57.48M | 54M | 53.8M | 53.55M | 45.28M | 16.39M | 16.94M | 17.76M | 16.94M | 15.31M | 10.71M | 8.77M | 7.5M | 8.64M | 8.78M | 6.04M |
| Stock-Based Compensation | 26.11M | 54.6M | 29.83M | 26.79M | 23.77M | 25.2M | 12.4M | 8.73M | 7.66M | 6.79M | 5.83M | 7.65M | 2.5M | 2.57M | 2.74M | 3.11M | 3.72M | 3.61M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | 10.83M | 10.83M | 0 | 0 | 13.36M | -21.49M | 0 | 0 | -6.93M | 19.5M | 3.45M | 4.04M | 655K | 2.91M | 23.69M | 36.62M | 39.81M | 32.18M | 0 | 0 | 0 | 0 | 5.24M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Cash Items | 130.24M | 44.24M | 22.45M | 14.52M | -50.34M | 22.93M | 13.53M | 2.55M | -13.35M | 24.71M | 35.88M | 31.6M | 54.49M | 33.37M | 7.25M | 2.28M | 12.77M | 8.76M | 42.56M | 31.55M | 12.65M | 3.95M | 10.82M | 3.95M | 3.92M | 597K | 1.63M | 4.7M | -11.88M | -10.52M | -5.19M |
| Working Capital Changes | 15.35M | -9.75M | -56.49M | -40.27M | -58.7M | -92.13M | 54.86M | -77.85M | 18.35M | 21.31M | -28.17M | -45.5M | -57.59M | -33.7M | -81.67M | -49.2M | -30.72M | -19.56M | -38.07M | -29.5M | -11.89M | 3.38M | -2.19M | 1.65M | 14K | -12.22M | -3.39M | -500K | 2.7M | -389.33K | -669.93K |
| Change in Receivables | 14.12M | -9.56M | -21.77M | 2.65M | -30.08M | -5.89M | 25.21M | -17.48M | 2.15M | -37.16M | -47.05M | -34.51M | -43.97M | -31.53M | -17.35M | -57.35M | -35.98M | -24.43M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | 0 | 0 | 0 | 0 | 0 | -87.67M | 0 | 0 | -10.94M | -378K | 12.26M | -18.01M | -5.79M | -1.98M | -58.65M | -3.94M | -3.23M | 4.21M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | 35.3M | 52.42M | 37.12M | 15.09M | 49.78M | 9.91M | 45.07M | 17.32M | 27.97M | 36.18M | 4.93M | -3.65M | -9.09M | -3.16M | -5.87M | 12.54M | 8.26M | 619K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -658.09M | -343.87M | -233.07M | -201.47M | -246.95M | -221.51M | -126.24M | -99.47M | -146.75M | -78.28M | -65.45M | -96.8M | -53.64M | -50.66M | -87.17M | -87.74M | -101.38M | -36.28M | -56.03M | -45.86M | -13.5M | -1.7M | -3.81M | -1.7M | -6.18M | -2.83M | -3.29M | -5.9M | 1.28M | 20.74M | 1.57M |
| Capital Expenditures | -498.35M | -213.25M | -188.07M | -176.6M | -249.41M | -220.69M | -125.44M | -101.3M | -145.37M | -88.95M | -65.89M | -133.76M | -51.17M | -55.85M | -90.06M | -85.71M | -102.07M | -36.84M | -58.06M | -45.67M | -9.45M | -3.07M | -3.77M | -3.07M | -7.82M | -7.47M | -4.56M | -6.8M | -3.09M | -3.1M | -682.47K |
| CapEx % of Revenue | 23.24% | 10.45% | 10.28% | 10.92% | 17.44% | 16.78% | 11.7% | 8.78% | 14.91% | 9.65% | 7.45% | 16.52% | 7.13% | 7.94% | 13.92% | 13.83% | 18.61% | 7.03% | 11.56% | 10.73% | 5.87% | 2.11% | 2.75% | 2.19% | 5.61% | 6.68% | 5.18% | 9.41% | 5.25% | 4.62% | 1.21% |
| Acquisitions | -420.94M | -133.42M | -45.16M | -24.95M | -1.44M | -1.44M | -1.64M | 29K | -2M | -80K | -1.37M | -265K | -3.56M | 631K | -956K | 0 | 0 | 0 | 0 | -370K | -4.09M | 0 | -35K | 0 | 0 | -61K | 0 | 0 | -1.74M | -2.13M | -588.41K |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 281.68M | 2.81M | 157K | 83K | 3.9M | 625K | 828K | 1.95M | 248K | 8.43M | 994K | 37.49M | 4.65M | 3.92M | 4.8M | 3.06M | 685K | 869K | 2.96M | 178K | 47K | 1.37M | 0 | 1.37M | 1.64M | 4.7M | 1.26M | 900K | 3.14M | 26M | -1.1M |
| Cash from Financing | 48.91M | 72.21M | 397.95M | 195.63M | 93.65M | 104.67M | -45.56M | 24.95M | -10.87M | -32.25M | -5.91M | 29.94M | -15.4M | -7.62M | 10.98M | 31.93M | 25.04M | -30.24M | 10.82M | 13.46M | 3.25M | -20.31M | -13.27M | -18.57M | -7.52M | -10.75M | -4.78M | 4.7M | 134.07K | -17.89M | -4.37M |
| Debt Issued (Net) | -49.57M | 71.22M | 165.33M | -43.99M | 94.25M | 94.48M | -42.84M | 21.91M | -11.9M | -38.56M | -4.46M | 25.07M | -9.96M | -7.64M | 19.39M | 39.24M | 44.85M | -25.4M | 14.62M | 18.95M | -2.27M | -8.03M | -12.62M | -18.3M | -8.45M | -13.17M | -4.58M | 4.3M | 28.32K | -17.28M | -1.8M |
| Equity Issued (Net) | 3.29M | 5.45M | 218.38M | 245.83M | 294K | 488K | 0 | 0 | 0 | 0 | 150K | 0 | 0 | 0 | 0 | 242K | 0 | 16K | 473K | 958K | 1.5M | 28K | 0 | 28K | 82K | 97K | 0 | -100K | 30.75K | -133.22K | -481.73K |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -492K | -729K | -148K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | 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 | -100K | 0 | -133.22K | -481.73K |
| Other Financing | 95.19M | -4.46M | 14.23M | -6.2M | -893K | 9.71M | -2.73M | 3.04M | 1.03M | 6.32M | -1.6M | 4.87M | -5.45M | 19K | -9.76M | -7.55M | -19.81M | -4.86M | -4.28M | -6.45M | 4.02M | 861K | -650K | -2.03M | 784K | 300K | -200.01K | 500K | 75K | -478.12K | -2.08M |
| Net Change in Cash | -261.98M | 27.2M | 397.45M | 214.74M | -6.77M | 32.59M | 61.85M | 29.78M | -40.93M | 30.68M | 20.19M | 139K | -8.11M | 8.05M | -2.09M | 1.83M | -9.47M | -30.24M | 10.82M | -3.2M | 0 | -6K | -29K | -6K | -4K | 4K | 33.45K | 4.7M | -70.02K | -22.35K | -3.78M |
| Free Cash Flow | -148.74M | 85.57M | 44.95M | 44.26M | -103M | -71.2M | 108.32M | 3.02M | -28.62M | 52.24M | 25.71M | -66.72M | 9.84M | 10.58M | -16.02M | -28.07M | -35.18M | 39.78M | -12.86M | -16.47M | 799K | 18.93M | 13.28M | 17.2M | 5.88M | 6.12M | 3.55M | -5.7M | -4.58M | -5.97M | -1.66M |
| FCF Margin % | -6.94% | 4.19% | 2.46% | 2.74% | -7.2% | -5.41% | 10.11% | 0.26% | -2.93% | 5.66% | 2.91% | -8.24% | 1.37% | 1.5% | -2.48% | -4.53% | -6.41% | 7.59% | -2.56% | -3.87% | 0.5% | 13.01% | 9.67% | 12.26% | 4.22% | 5.47% | 4.03% | -7.88% | -7.78% | -8.9% | -2.93% |
| FCF Growth % | -290.87% | 90.35% | 1.56% | 142.98% | -44.65% | -165.73% | 3488.01% | 110.55% | -154.78% | 103.21% | 138.53% | -778.31% | -7% | 166% | 42.92% | 20.21% | -188.44% | 409.41% | 21.94% | -2161.45% | -95.78% | 42.57% | -22.8% | 192.5% | -3.86% | 72.41% | 162.25% | -24.55% | 23.31% | -260.48% | -114.66% |
| FCF per Share | -1.93 | 1.14 | 0.60 | 0.68 | -1.80 | -1.33 | 2.13 | 0.06 | -0.59 | 1.10 | 0.55 | -1.48 | 0.23 | 0.27 | -0.41 | -0.72 | -0.95 | 1.10 | -0.36 | -0.48 | 0.04 | 0.92 | 0.65 | 0.84 | 0.29 | 0.28 | 0.18 | -0.29 | -0.23 | -0.31 | -0.08 |
| FCF Conversion (FCF/Net Income) | 10.48x | -16.02x | 83.43x | 72.56x | 13.75x | 6.05x | -15.75x | 7.07x | 3.62x | 2663.91x | 12.67x | 8.70x | 44.33x | 31.33x | 1.15x | 7.97x | -5.20x | -33.80x | -3.52x | -1.61x | -1.49x | -7.02x | -1.17x | -8.94x | -2.47x | 0.94x | 3.10x | -0.12x | 0.05x | 3.84x | 0.12x |
| Interest Paid | 35.67M | 0 | 84.6M | 64.69M | 39.15M | 29.04M | 39.52M | 46.25M | 37.02M | 34.2M | 37.49M | 36.03M | 41.58M | 41.84M | 47.81M | 47.31M | 40.35M | 40.09M | 49.24M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 1.05M | 0 | 4.17M | 1.59M | 587K | 1.95M | 5.07M | 5.88M | 4.93M | 4.94M | 2.8M | 1.78M | 1.07M | 1.14M | 918K | 514K | 659K | 348K | 389K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Capital intensity versus profitability
As reported in recent financial statements, RadNet's OCF/NI ratio has exhibited extreme volatility, reaching a negative 2.76 in 2026Q1, which highlights a fundamental decoupling between accounting net income and the actual cash generated from core diagnostic operations during periods of aggressive expansion.
The wide variance between net income and operating cash flow suggests that non-cash charges and working capital fluctuations are significantly masking the underlying cash-generating capability of the business. Investors should monitor whether this divergence is a temporary byproduct of rapid scaling or a structural issue where reported earnings fail to reflect the cash-intensive nature of the imaging service model.
Based on quarterly data, RadNet's FCF margin has swung from a positive 13.5% in 2025Q2 to a negative 42.2% in 2025Q4, indicating that the company's ability to self-fund its operations remains highly inconsistent despite top-line revenue growth.
The erratic FCF trajectory suggests that the company's capital requirements are currently outpacing its operational cash inflows, potentially necessitating external financing or cash reserves to sustain growth. This inconsistency warrants further investigation into whether the company can achieve a sustainable positive FCF inflection point without compromising its competitive regional density.
According to historical cash flow filings, RadNet's CapEx/Revenue ratio peaked at 57.5% in 2025Q4, underscoring a heavy reliance on continuous hardware investment to maintain its diagnostic fleet and support the integration of proprietary AI workflows across its imaging centers.
The elevated capital intensity suggests that RadNet is in a perpetual cycle of reinvestment, where a significant portion of cash is consumed by the need to replace and upgrade imaging equipment. This level of spending may indicate that the company's competitive moat is expensive to maintain, potentially limiting the cash available for shareholder returns or debt reduction.
As evidenced by the $303.9 million net acquisition outflow in 2026Q1, RadNet continues to prioritize inorganic growth through the acquisition of diagnostic centers, which appears to be the primary driver of its current cash deployment strategy.
The consistent use of cash for acquisitions suggests that management remains committed to a roll-up strategy to build regional dominance, even at the expense of near-term liquidity. Investors should evaluate whether these acquisitions are delivering the expected return on invested capital, given the thin operating margins and the high cost of integrating new facilities into the existing network.
Quick answers to the most common questions about buying RDNT stock.
RadNet, Inc. (RDNT) generated $298.8M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
RadNet, Inc. (RDNT) generated $85.6M 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.
RadNet, Inc. (RDNT) spent $213.3M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.