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Side-by-side financial comparison of FONAR CORP (FONR) and TransMedics Group, Inc. (TMDX). Click either name above to swap in a different company.
TransMedics Group, Inc. is the larger business by last-quarter revenue ($160.8M vs $25.5M, roughly 6.3× FONAR CORP). TransMedics Group, Inc. runs the higher net margin — 65.6% vs 8.0%, a 57.5% gap on every dollar of revenue. On growth, TransMedics Group, Inc. posted the faster year-over-year revenue change (32.2% vs 2.4%). TransMedics Group, Inc. produced more free cash flow last quarter ($19.0M vs $-227.0K). Over the past eight quarters, TransMedics Group, Inc.'s revenue compounded faster (28.8% CAGR vs -0.3%).
FONAR Corp is a specialized medical technology firm that designs, manufactures, and distributes innovative MRI systems including upright and open models. It primarily serves U.S. hospitals, diagnostic imaging centers, and healthcare providers, delivering high-precision scanning solutions for clinical diagnostic use.
TransMedics Group, Inc. develops and commercializes innovative medical technologies for organ transplantation. Its flagship Organ Care System keeps donor organs viable during transport, improving transplant outcomes for heart, lung, liver and kidney recipients. It serves transplant centers and organ procurement organizations across North America, Europe and Asia-Pacific.
FONR vs TMDX — Head-to-Head
Income Statement — Q2 2026 vs Q4 2025
| Metric | | |
|---|---|---|
| Revenue | $25.5M | $160.8M |
| Net Profit | $2.1M | $105.4M |
| Gross Margin | — | 58.1% |
| Operating Margin | 13.5% | 13.2% |
| Net Margin | 8.0% | 65.6% |
| Revenue YoY | 2.4% | 32.2% |
| Net Profit YoY | 4.7% | 1436.9% |
| EPS (diluted) | — | $2.59 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $25.5M | $160.8M | ||
| Q3 25 | $26.0M | $143.8M | ||
| Q2 25 | $27.3M | $157.4M | ||
| Q1 25 | $27.2M | $143.5M | ||
| Q4 24 | $24.9M | $121.6M | ||
| Q3 24 | $25.0M | $108.8M | ||
| Q2 24 | $25.9M | $114.3M | ||
| Q1 24 | $25.7M | $96.8M |
| Q4 25 | $2.1M | $105.4M | ||
| Q3 25 | $2.3M | $24.3M | ||
| Q2 25 | $729.3K | $34.9M | ||
| Q1 25 | $2.5M | $25.7M | ||
| Q4 24 | $2.0M | $6.9M | ||
| Q3 24 | $3.1M | $4.2M | ||
| Q2 24 | $830.4K | $12.2M | ||
| Q1 24 | $1.9M | $12.2M |
| Q4 25 | — | 58.1% | ||
| Q3 25 | — | 58.8% | ||
| Q2 25 | — | 61.4% | ||
| Q1 25 | — | 61.5% | ||
| Q4 24 | — | 59.2% | ||
| Q3 24 | — | 55.9% | ||
| Q2 24 | — | 60.6% | ||
| Q1 24 | — | 61.9% |
| Q4 25 | 13.5% | 13.2% | ||
| Q3 25 | 14.1% | 16.2% | ||
| Q2 25 | 5.3% | 23.2% | ||
| Q1 25 | 15.2% | 19.1% | ||
| Q4 24 | 11.9% | 7.1% | ||
| Q3 24 | 21.0% | 3.6% | ||
| Q2 24 | 7.4% | 10.9% | ||
| Q1 24 | 16.8% | 12.8% |
| Q4 25 | 8.0% | 65.6% | ||
| Q3 25 | 8.7% | 16.9% | ||
| Q2 25 | 2.7% | 22.2% | ||
| Q1 25 | 9.2% | 17.9% | ||
| Q4 24 | 7.9% | 5.6% | ||
| Q3 24 | 12.6% | 3.9% | ||
| Q2 24 | 3.2% | 10.7% | ||
| Q1 24 | 7.3% | 12.6% |
| Q4 25 | — | $2.59 | ||
| Q3 25 | — | $0.66 | ||
| Q2 25 | — | $0.92 | ||
| Q1 25 | — | $0.70 | ||
| Q4 24 | — | $0.19 | ||
| Q3 24 | — | $0.12 | ||
| Q2 24 | — | $0.35 | ||
| Q1 24 | — | $0.35 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $121.0K | — |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $176.9M | $473.1M |
| Total Assets | $217.2M | $1.1B |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $121.0K | — | ||
| Q3 25 | $122.0K | — | ||
| Q2 25 | $56.5M | — | ||
| Q1 25 | $123.0K | — | ||
| Q4 24 | $121.0K | — | ||
| Q3 24 | $136.0K | $330.1M | ||
| Q2 24 | $56.5M | $362.8M | ||
| Q1 24 | $134.0K | $350.2M |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | $66.9K | — | ||
| Q1 24 | — | — |
| Q4 25 | $176.9M | $473.1M | ||
| Q3 25 | $174.9M | $355.2M | ||
| Q2 25 | $172.6M | $318.1M | ||
| Q1 25 | $171.9M | $266.3M | ||
| Q4 24 | $169.8M | $228.6M | ||
| Q3 24 | $168.7M | $209.9M | ||
| Q2 24 | $166.0M | $189.9M | ||
| Q1 24 | $165.8M | $159.5M |
| Q4 25 | $217.2M | $1.1B | ||
| Q3 25 | $218.4M | $946.0M | ||
| Q2 25 | $216.9M | $890.5M | ||
| Q1 25 | $214.9M | $837.5M | ||
| Q4 24 | $208.0M | $804.1M | ||
| Q3 24 | $212.3M | $785.6M | ||
| Q2 24 | $214.2M | $758.6M | ||
| Q1 24 | $209.6M | $723.8M |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | 0.00× | — | ||
| Q1 24 | — | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $171.0K | $34.5M |
| Free Cash FlowOCF − Capex | $-227.0K | $19.0M |
| FCF MarginFCF / Revenue | -0.9% | 11.8% |
| Capex IntensityCapex / Revenue | 1.6% | 9.7% |
| Cash ConversionOCF / Net Profit | 0.08× | 0.33× |
| TTM Free Cash FlowTrailing 4 quarters | $5.7M | $133.6M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $171.0K | $34.5M | ||
| Q3 25 | $1.7M | $69.6M | ||
| Q2 25 | $4.2M | $91.6M | ||
| Q1 25 | $3.1M | $-2.9M | ||
| Q4 24 | $2.2M | $19.7M | ||
| Q3 24 | $1.7M | $6.9M | ||
| Q2 24 | $4.6M | $25.7M | ||
| Q1 24 | $2.8M | $-3.4M |
| Q4 25 | $-227.0K | $19.0M | ||
| Q3 25 | $-177.0K | $61.9M | ||
| Q2 25 | $3.6M | $82.5M | ||
| Q1 25 | $2.6M | $-29.9M | ||
| Q4 24 | $1.5M | $6.1M | ||
| Q3 24 | $-148.0K | $-41.3M | ||
| Q2 24 | $4.2M | $2.0M | ||
| Q1 24 | $2.6M | $-47.6M |
| Q4 25 | -0.9% | 11.8% | ||
| Q3 25 | -0.7% | 43.1% | ||
| Q2 25 | 13.1% | 52.4% | ||
| Q1 25 | 9.4% | -20.8% | ||
| Q4 24 | 6.0% | 5.0% | ||
| Q3 24 | -0.6% | -38.0% | ||
| Q2 24 | 16.1% | 1.7% | ||
| Q1 24 | 10.2% | -49.2% |
| Q4 25 | 1.6% | 9.7% | ||
| Q3 25 | 7.2% | 5.3% | ||
| Q2 25 | 2.4% | 5.8% | ||
| Q1 25 | 2.2% | 18.8% | ||
| Q4 24 | 3.0% | 11.2% | ||
| Q3 24 | 7.2% | 44.3% | ||
| Q2 24 | 1.6% | 20.8% | ||
| Q1 24 | 0.7% | 45.6% |
| Q4 25 | 0.08× | 0.33× | ||
| Q3 25 | 0.75× | 2.86× | ||
| Q2 25 | 5.79× | 2.62× | ||
| Q1 25 | 1.26× | -0.11× | ||
| Q4 24 | 1.14× | 2.87× | ||
| Q3 24 | 0.53× | 1.63× | ||
| Q2 24 | 5.54× | 2.11× | ||
| Q1 24 | 1.50× | -0.28× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
FONR
| Managementof Diagnostic Imaging Centers | $23.2M | 91% |
| Manufacturingand Servicingof Medical Equipment | $2.4M | 9% |
TMDX
| Liver Product | $127.0M | 79% |
| Heart Product | $26.0M | 16% |
| Other | $5.9M | 4% |
| Lung Product | $1.9M | 1% |
