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Side-by-side financial comparison of Heartflow, Inc. (HTFL) and LANTRONIX INC (LTRX). Click either name above to swap in a different company.
Heartflow, Inc. is the larger business by last-quarter revenue ($46.3M vs $29.8M, roughly 1.6× LANTRONIX INC). LANTRONIX INC runs the higher net margin — -4.5% vs -109.9%, a 105.4% gap on every dollar of revenue. LANTRONIX INC produced more free cash flow last quarter ($2.1M vs $-4.2M).
HeartFlow, Inc. develops non-invasive cardiovascular diagnostic solutions for global healthcare providers. Its core product uses CT scan data to build 3D coronary artery models, assess blood flow to detect blockages, and support clinicians in making personalized heart disease treatment decisions without invasive procedures.
LANTRONIX INCLTRXEarnings & Financial Report
Lantronix Inc is a global provider of secure IoT connectivity and edge computing solutions. It offers specialized hardware, SaaS platforms and embedded software for industrial, healthcare, retail, transportation and smart city clients worldwide, supporting reliable remote device management.
HTFL vs LTRX — Head-to-Head
Income Statement — Q3 FY2025 vs Q2 FY2026
| Metric | | |
|---|---|---|
| Revenue | $46.3M | $29.8M |
| Net Profit | $-50.9M | $-1.3M |
| Gross Margin | 76.5% | 43.6% |
| Operating Margin | -32.6% | -3.6% |
| Net Margin | -109.9% | -4.5% |
| Revenue YoY | — | -4.5% |
| Net Profit YoY | — | 43.9% |
| EPS (diluted) | $-1.04 | $-0.03 |
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 | — | $29.8M | ||
| Q3 25 | $46.3M | $29.8M | ||
| Q2 25 | $43.4M | $28.8M | ||
| Q1 25 | — | $28.5M | ||
| Q4 24 | — | $31.2M | ||
| Q3 24 | — | $34.4M | ||
| Q2 24 | — | $49.1M | ||
| Q1 24 | — | $41.2M |
| Q4 25 | — | $-1.3M | ||
| Q3 25 | $-50.9M | $-1.4M | ||
| Q2 25 | $-9.2M | $-2.6M | ||
| Q1 25 | — | $-3.9M | ||
| Q4 24 | — | $-2.4M | ||
| Q3 24 | — | $-2.5M | ||
| Q2 24 | — | $386.0K | ||
| Q1 24 | — | $-423.0K |
| Q4 25 | — | 43.6% | ||
| Q3 25 | 76.5% | 44.8% | ||
| Q2 25 | 75.5% | 40.0% | ||
| Q1 25 | — | 43.5% | ||
| Q4 24 | — | 42.6% | ||
| Q3 24 | — | 42.1% | ||
| Q2 24 | — | 38.1% | ||
| Q1 24 | — | 40.1% |
| Q4 25 | — | -3.6% | ||
| Q3 25 | -32.6% | -5.1% | ||
| Q2 25 | -31.6% | -10.9% | ||
| Q1 25 | — | -12.6% | ||
| Q4 24 | — | -6.9% | ||
| Q3 24 | — | -6.2% | ||
| Q2 24 | — | 1.2% | ||
| Q1 24 | — | -0.2% |
| Q4 25 | — | -4.5% | ||
| Q3 25 | -109.9% | -4.7% | ||
| Q2 25 | -21.2% | -9.1% | ||
| Q1 25 | — | -13.6% | ||
| Q4 24 | — | -7.6% | ||
| Q3 24 | — | -7.3% | ||
| Q2 24 | — | 0.8% | ||
| Q1 24 | — | -1.0% |
| Q4 25 | — | $-0.03 | ||
| Q3 25 | $-1.04 | $-0.04 | ||
| Q2 25 | $-1.46 | $-0.06 | ||
| Q1 25 | — | $-0.10 | ||
| Q4 24 | — | $-0.06 | ||
| Q3 24 | — | $-0.07 | ||
| Q2 24 | — | $0.01 | ||
| Q1 24 | — | $-0.01 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $291.2M | $23.0M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $254.6M | $74.4M |
| Total Assets | $364.4M | $121.7M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | — | $23.0M | ||
| Q3 25 | $291.2M | $22.2M | ||
| Q2 25 | $80.2M | $20.1M | ||
| Q1 25 | — | $20.0M | ||
| Q4 24 | — | $19.2M | ||
| Q3 24 | — | $26.4M | ||
| Q2 24 | — | $26.2M | ||
| Q1 24 | — | $24.6M |
| Q4 25 | — | $74.4M | ||
| Q3 25 | $254.6M | $74.5M | ||
| Q2 25 | $-894.8M | $74.4M | ||
| Q1 25 | — | $75.5M | ||
| Q4 24 | — | $77.9M | ||
| Q3 24 | — | $78.9M | ||
| Q2 24 | — | $81.4M | ||
| Q1 24 | — | $78.1M |
| Q4 25 | — | $121.7M | ||
| Q3 25 | $364.4M | $119.6M | ||
| Q2 25 | $159.4M | $123.7M | ||
| Q1 25 | — | $124.2M | ||
| Q4 24 | — | $134.2M | ||
| Q3 24 | — | $137.9M | ||
| Q2 24 | — | $136.2M | ||
| Q1 24 | — | $147.4M |
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 | $-3.0M | $2.2M |
| Free Cash FlowOCF − Capex | $-4.2M | $2.1M |
| FCF MarginFCF / Revenue | -9.1% | 7.0% |
| Capex IntensityCapex / Revenue | 2.7% | 0.3% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | — | $9.6M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | — | $2.2M | ||
| Q3 25 | $-3.0M | $3.6M | ||
| Q2 25 | $-40.5M | $1.1M | ||
| Q1 25 | — | $3.2M | ||
| Q4 24 | — | $340.0K | ||
| Q3 24 | — | $2.7M | ||
| Q2 24 | — | $2.3M | ||
| Q1 24 | — | $3.6M |
| Q4 25 | — | $2.1M | ||
| Q3 25 | $-4.2M | $3.5M | ||
| Q2 25 | $-42.4M | $909.0K | ||
| Q1 25 | — | $3.1M | ||
| Q4 24 | — | $256.0K | ||
| Q3 24 | — | $2.5M | ||
| Q2 24 | — | $2.1M | ||
| Q1 24 | — | $3.5M |
| Q4 25 | — | 7.0% | ||
| Q3 25 | -9.1% | 11.9% | ||
| Q2 25 | -97.6% | 3.2% | ||
| Q1 25 | — | 10.9% | ||
| Q4 24 | — | 0.8% | ||
| Q3 24 | — | 7.3% | ||
| Q2 24 | — | 4.3% | ||
| Q1 24 | — | 8.4% |
| Q4 25 | — | 0.3% | ||
| Q3 25 | 2.7% | 0.2% | ||
| Q2 25 | 4.4% | 0.5% | ||
| Q1 25 | — | 0.4% | ||
| Q4 24 | — | 0.3% | ||
| Q3 24 | — | 0.5% | ||
| Q2 24 | — | 0.3% | ||
| Q1 24 | — | 0.3% |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | 5.89× | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
HTFL
Segment breakdown not available.
LTRX
| Embedded Io T Solutions | $13.9M | 47% |
| Io T System Solutions | $13.3M | 45% |
| Software And Services | $2.6M | 9% |
