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Side-by-side financial comparison of iRhythm Holdings, Inc. (IRTC) and SITIME Corp (SITM). Click either name above to swap in a different company.
iRhythm Holdings, Inc. is the larger business by last-quarter revenue ($208.9M vs $113.6M, roughly 1.8× SITIME Corp). On growth, SITIME Corp posted the faster year-over-year revenue change (88.3% vs 27.1%). Over the past eight quarters, SITIME Corp's revenue compounded faster (60.9% CAGR vs 25.8%).
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.
SiTime Corporation is a publicly traded fabless chipmaker based in Santa Clara, California that develops micro-electromechanical systems (MEMS), used for timing devices in electronics.
IRTC vs SITM — Head-to-Head
Income Statement — Q4 FY2025 vs Q1 FY2026
| Metric | | |
|---|---|---|
| Revenue | $208.9M | $113.6M |
| Net Profit | $5.6M | — |
| Gross Margin | 70.9% | 59.0% |
| Operating Margin | 1.1% | 30.2% |
| Net Margin | 2.7% | — |
| Revenue YoY | 27.1% | 88.3% |
| Net Profit YoY | 518.5% | — |
| EPS (diluted) | $0.18 | $-0.20 |
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.
| Q1 26 | — | $113.6M | ||
| Q4 25 | $208.9M | $113.3M | ||
| Q3 25 | $192.9M | $83.6M | ||
| Q2 25 | $186.7M | $69.5M | ||
| Q1 25 | $158.7M | $60.3M | ||
| Q4 24 | $164.3M | $68.1M | ||
| Q3 24 | $147.5M | $57.7M | ||
| Q2 24 | $148.0M | $43.9M |
| Q1 26 | — | — | ||
| Q4 25 | $5.6M | $9.2M | ||
| Q3 25 | $-5.2M | $-8.0M | ||
| Q2 25 | $-14.2M | $-20.2M | ||
| Q1 25 | $-30.7M | $-23.9M | ||
| Q4 24 | $-1.3M | $-18.8M | ||
| Q3 24 | $-46.2M | $-19.3M | ||
| Q2 24 | $-20.1M | $-26.8M |
| Q1 26 | — | 59.0% | ||
| Q4 25 | 70.9% | 56.4% | ||
| Q3 25 | 71.1% | 53.5% | ||
| Q2 25 | 71.2% | 51.9% | ||
| Q1 25 | 68.8% | 50.3% | ||
| Q4 24 | 70.0% | 52.6% | ||
| Q3 24 | 68.8% | 51.1% | ||
| Q2 24 | 69.9% | 49.1% |
| Q1 26 | — | 30.2% | ||
| Q4 25 | 1.1% | 1.6% | ||
| Q3 25 | -4.4% | -19.2% | ||
| Q2 25 | -10.0% | -35.4% | ||
| Q1 25 | -20.5% | -46.6% | ||
| Q4 24 | -2.5% | -33.8% | ||
| Q3 24 | -34.1% | -43.1% | ||
| Q2 24 | -15.5% | -73.7% |
| Q1 26 | — | — | ||
| Q4 25 | 2.7% | 8.1% | ||
| Q3 25 | -2.7% | -9.6% | ||
| Q2 25 | -7.6% | -29.0% | ||
| Q1 25 | -19.3% | -39.6% | ||
| Q4 24 | -0.8% | -27.6% | ||
| Q3 24 | -31.3% | -33.5% | ||
| Q2 24 | -13.6% | -61.0% |
| Q1 26 | — | $-0.20 | ||
| Q4 25 | $0.18 | $0.44 | ||
| Q3 25 | $-0.16 | $-0.31 | ||
| Q2 25 | $-0.44 | $-0.84 | ||
| Q1 25 | $-0.97 | $-1.01 | ||
| Q4 24 | $-0.03 | $-0.80 | ||
| Q3 24 | $-1.48 | $-0.83 | ||
| Q2 24 | $-0.65 | $-1.16 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $583.8M | $498.5M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $152.7M | $1.2B |
| Total Assets | $1.0B | $1.3B |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | $498.5M | ||
| Q4 25 | $583.8M | — | ||
| Q3 25 | $565.2M | — | ||
| Q2 25 | $545.5M | — | ||
| Q1 25 | $520.6M | — | ||
| Q4 24 | $535.6M | — | ||
| Q3 24 | $522.0M | — | ||
| Q2 24 | $561.5M | — |
| Q1 26 | — | $1.2B | ||
| Q4 25 | $152.7M | $1.2B | ||
| Q3 25 | $121.9M | $1.1B | ||
| Q2 25 | $103.7M | $1.1B | ||
| Q1 25 | $86.7M | $692.5M | ||
| Q4 24 | $90.9M | $699.7M | ||
| Q3 24 | $71.8M | $696.2M | ||
| Q2 24 | $99.2M | $692.5M |
| Q1 26 | — | $1.3B | ||
| Q4 25 | $1.0B | $1.3B | ||
| Q3 25 | $995.2M | $1.3B | ||
| Q2 25 | $964.0M | $1.3B | ||
| Q1 25 | $926.1M | $872.1M | ||
| Q4 24 | $931.4M | $885.0M | ||
| Q3 24 | $909.7M | $877.9M | ||
| Q2 24 | $919.2M | $878.6M |
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 | $26.2M | — |
| Free Cash FlowOCF − Capex | $14.5M | — |
| FCF MarginFCF / Revenue | 6.9% | — |
| Capex IntensityCapex / Revenue | 5.6% | — |
| Cash ConversionOCF / Net Profit | 4.70× | — |
| TTM Free Cash FlowTrailing 4 quarters | $34.5M | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | — | ||
| Q4 25 | $26.2M | $25.4M | ||
| Q3 25 | $34.9M | $31.4M | ||
| Q2 25 | $27.7M | $15.3M | ||
| Q1 25 | $-7.9M | $15.0M | ||
| Q4 24 | $19.2M | $13.5M | ||
| Q3 24 | $24.3M | $8.2M | ||
| Q2 24 | $11.8M | $-181.0K |
| Q1 26 | — | — | ||
| Q4 25 | $14.5M | $13.0M | ||
| Q3 25 | $20.1M | $26.3M | ||
| Q2 25 | $17.3M | $-2.9M | ||
| Q1 25 | $-17.3M | $-1.3M | ||
| Q4 24 | $12.4M | $-2.4M | ||
| Q3 24 | $15.5M | $-6.7M | ||
| Q2 24 | $3.4M | $-2.7M |
| Q1 26 | — | — | ||
| Q4 25 | 6.9% | 11.5% | ||
| Q3 25 | 10.4% | 31.5% | ||
| Q2 25 | 9.3% | -4.2% | ||
| Q1 25 | -10.9% | -2.1% | ||
| Q4 24 | 7.5% | -3.5% | ||
| Q3 24 | 10.5% | -11.6% | ||
| Q2 24 | 2.3% | -6.3% |
| Q1 26 | — | — | ||
| Q4 25 | 5.6% | 10.9% | ||
| Q3 25 | 7.7% | 6.1% | ||
| Q2 25 | 5.6% | 26.2% | ||
| Q1 25 | 5.9% | 27.0% | ||
| Q4 24 | 4.2% | 23.3% | ||
| Q3 24 | 6.0% | 25.7% | ||
| Q2 24 | 5.7% | 5.8% |
| Q1 26 | — | — | ||
| Q4 25 | 4.70× | 2.77× | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
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% |
SITM
Segment breakdown not available.
