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Side-by-side financial comparison of DIODES INC (DIOD) and iRhythm Holdings, Inc. (IRTC). Click either name above to swap in a different company.
DIODES INC is the larger business by last-quarter revenue ($391.6M vs $208.9M, roughly 1.9× iRhythm Holdings, Inc.). iRhythm Holdings, Inc. runs the higher net margin — 2.7% vs 2.6%, a 0.1% gap on every dollar of revenue. On growth, iRhythm Holdings, Inc. posted the faster year-over-year revenue change (27.1% vs 15.4%). iRhythm Holdings, Inc. produced more free cash flow last quarter ($14.5M vs $12.4M). Over the past eight quarters, iRhythm Holdings, Inc.'s revenue compounded faster (25.8% CAGR vs 13.9%).
Diodes Incorporated is a global semiconductor manufacturer that designs, produces and supplies discrete, analog and mixed-signal semiconductor products. Its solutions serve key end markets including automotive, industrial, consumer electronics, personal computing and communications infrastructure, with a worldwide customer base.
iRhythm Holdings is a digital healthcare company focused on cardiac care, developing and commercializing wearable ambulatory heart monitoring devices paired with AI-powered analytical tools. It primarily serves healthcare providers and patients across the United States, helping to detect undiagnosed arrhythmias such as atrial fibrillation through convenient long-term heart rhythm tracking that delivers actionable clinical insights.
DIOD vs IRTC — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $391.6M | $208.9M |
| Net Profit | $10.2M | $5.6M |
| Gross Margin | 31.1% | 70.9% |
| Operating Margin | 3.4% | 1.1% |
| Net Margin | 2.6% | 2.7% |
| Revenue YoY | 15.4% | 27.1% |
| Net Profit YoY | 23.8% | 518.5% |
| EPS (diluted) | $0.23 | $0.18 |
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 | $391.6M | $208.9M | ||
| Q3 25 | $392.2M | $192.9M | ||
| Q2 25 | $366.2M | $186.7M | ||
| Q1 25 | $332.1M | $158.7M | ||
| Q4 24 | $339.3M | $164.3M | ||
| Q3 24 | $350.1M | $147.5M | ||
| Q2 24 | $319.8M | $148.0M | ||
| Q1 24 | $302.0M | $131.9M |
| Q4 25 | $10.2M | $5.6M | ||
| Q3 25 | $14.3M | $-5.2M | ||
| Q2 25 | $46.1M | $-14.2M | ||
| Q1 25 | $-4.4M | $-30.7M | ||
| Q4 24 | $8.2M | $-1.3M | ||
| Q3 24 | $13.7M | $-46.2M | ||
| Q2 24 | $8.0M | $-20.1M | ||
| Q1 24 | $14.0M | $-45.7M |
| Q4 25 | 31.1% | 70.9% | ||
| Q3 25 | 30.7% | 71.1% | ||
| Q2 25 | 31.5% | 71.2% | ||
| Q1 25 | 31.5% | 68.8% | ||
| Q4 24 | 32.7% | 70.0% | ||
| Q3 24 | 33.7% | 68.8% | ||
| Q2 24 | 33.6% | 69.9% | ||
| Q1 24 | 33.0% | 66.3% |
| Q4 25 | 3.4% | 1.1% | ||
| Q3 25 | 3.0% | -4.4% | ||
| Q2 25 | 2.6% | -10.0% | ||
| Q1 25 | 0.4% | -20.5% | ||
| Q4 24 | 3.5% | -2.5% | ||
| Q3 24 | 6.2% | -34.1% | ||
| Q2 24 | 1.2% | -15.5% | ||
| Q1 24 | 4.3% | -28.9% |
| Q4 25 | 2.6% | 2.7% | ||
| Q3 25 | 3.6% | -2.7% | ||
| Q2 25 | 12.6% | -7.6% | ||
| Q1 25 | -1.3% | -19.3% | ||
| Q4 24 | 2.4% | -0.8% | ||
| Q3 24 | 3.9% | -31.3% | ||
| Q2 24 | 2.5% | -13.6% | ||
| Q1 24 | 4.6% | -34.6% |
| Q4 25 | $0.23 | $0.18 | ||
| Q3 25 | $0.31 | $-0.16 | ||
| Q2 25 | $0.99 | $-0.44 | ||
| Q1 25 | $-0.10 | $-0.97 | ||
| Q4 24 | $0.18 | $-0.03 | ||
| Q3 24 | $0.30 | $-1.48 | ||
| Q2 24 | $0.17 | $-0.65 | ||
| Q1 24 | $0.30 | $-1.47 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $377.0M | $583.8M |
| Total DebtLower is stronger | $25.7M | — |
| Stockholders' EquityBook value | $1.9B | $152.7M |
| Total Assets | $2.4B | $1.0B |
| Debt / EquityLower = less leverage | 0.01× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $377.0M | $583.8M | ||
| Q3 25 | $386.4M | $565.2M | ||
| Q2 25 | $327.3M | $545.5M | ||
| Q1 25 | $343.9M | $520.6M | ||
| Q4 24 | $316.1M | $535.6M | ||
| Q3 24 | $319.3M | $522.0M | ||
| Q2 24 | $273.9M | $561.5M | ||
| Q1 24 | $276.0M | $569.1M |
| Q4 25 | $25.7M | — | ||
| Q3 25 | $24.9M | — | ||
| Q2 25 | $26.4M | — | ||
| Q1 25 | $20.5M | — | ||
| Q4 24 | $20.7M | — | ||
| Q3 24 | $22.2M | — | ||
| Q2 24 | $20.3M | — | ||
| Q1 24 | $20.9M | — |
| Q4 25 | $1.9B | $152.7M | ||
| Q3 25 | $1.9B | $121.9M | ||
| Q2 25 | $1.9B | $103.7M | ||
| Q1 25 | $1.8B | $86.7M | ||
| Q4 24 | $1.8B | $90.9M | ||
| Q3 24 | $1.8B | $71.8M | ||
| Q2 24 | $1.8B | $99.2M | ||
| Q1 24 | $1.7B | $90.3M |
| Q4 25 | $2.4B | $1.0B | ||
| Q3 25 | $2.5B | $995.2M | ||
| Q2 25 | $2.5B | $964.0M | ||
| Q1 25 | $2.4B | $926.1M | ||
| Q4 24 | $2.4B | $931.4M | ||
| Q3 24 | $2.4B | $909.7M | ||
| Q2 24 | $2.4B | $919.2M | ||
| Q1 24 | $2.4B | $909.8M |
| Q4 25 | 0.01× | — | ||
| Q3 25 | 0.01× | — | ||
| Q2 25 | 0.01× | — | ||
| Q1 25 | 0.01× | — | ||
| Q4 24 | 0.01× | — | ||
| Q3 24 | 0.01× | — | ||
| Q2 24 | 0.01× | — | ||
| Q1 24 | 0.01× | — |
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 | $38.1M | $26.2M |
| Free Cash FlowOCF − Capex | $12.4M | $14.5M |
| FCF MarginFCF / Revenue | 3.2% | 6.9% |
| Capex IntensityCapex / Revenue | 6.6% | 5.6% |
| Cash ConversionOCF / Net Profit | 3.74× | 4.70× |
| TTM Free Cash FlowTrailing 4 quarters | $137.2M | $34.5M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $38.1M | $26.2M | ||
| Q3 25 | $79.1M | $34.9M | ||
| Q2 25 | $41.5M | $27.7M | ||
| Q1 25 | $56.7M | $-7.9M | ||
| Q4 24 | $81.8M | $19.2M | ||
| Q3 24 | $54.4M | $24.3M | ||
| Q2 24 | $14.4M | $11.8M | ||
| Q1 24 | $-31.1M | $-52.0M |
| Q4 25 | $12.4M | $14.5M | ||
| Q3 25 | $62.8M | $20.1M | ||
| Q2 25 | $21.1M | $17.3M | ||
| Q1 25 | $40.8M | $-17.3M | ||
| Q4 24 | $62.1M | $12.4M | ||
| Q3 24 | $39.4M | $15.5M | ||
| Q2 24 | $-3.5M | $3.4M | ||
| Q1 24 | $-51.5M | $-61.8M |
| Q4 25 | 3.2% | 6.9% | ||
| Q3 25 | 16.0% | 10.4% | ||
| Q2 25 | 5.8% | 9.3% | ||
| Q1 25 | 12.3% | -10.9% | ||
| Q4 24 | 18.3% | 7.5% | ||
| Q3 24 | 11.2% | 10.5% | ||
| Q2 24 | -1.1% | 2.3% | ||
| Q1 24 | -17.1% | -46.8% |
| Q4 25 | 6.6% | 5.6% | ||
| Q3 25 | 4.2% | 7.7% | ||
| Q2 25 | 5.6% | 5.6% | ||
| Q1 25 | 4.8% | 5.9% | ||
| Q4 24 | 5.8% | 4.2% | ||
| Q3 24 | 4.3% | 6.0% | ||
| Q2 24 | 5.6% | 5.7% | ||
| Q1 24 | 6.7% | 7.4% |
| Q4 25 | 3.74× | 4.70× | ||
| Q3 25 | 5.54× | — | ||
| Q2 25 | 0.90× | — | ||
| Q1 25 | — | — | ||
| Q4 24 | 9.93× | — | ||
| Q3 24 | 3.95× | — | ||
| Q2 24 | 1.80× | — | ||
| Q1 24 | -2.22× | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
DIOD
| Distributor | $253.1M | 65% |
| Direct Sales | $138.5M | 35% |
IRTC
| Commercial Payors | $111.7M | 53% |
| Centers For Medicare And Medicaid | $49.2M | 24% |
| Healthcare Institutions | $34.3M | 16% |
| Non Contracted Third Party Payors | $13.7M | 7% |
