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Side-by-side financial comparison of ESCO TECHNOLOGIES INC (ESE) and iRhythm Holdings, Inc. (IRTC). Click either name above to swap in a different company.
ESCO TECHNOLOGIES INC is the larger business by last-quarter revenue ($289.7M vs $208.9M, roughly 1.4× iRhythm Holdings, Inc.). ESCO TECHNOLOGIES INC runs the higher net margin — 9.9% vs 2.7%, a 7.2% gap on every dollar of revenue. On growth, iRhythm Holdings, Inc. posted the faster year-over-year revenue change (27.1% vs 17.3%). ESCO TECHNOLOGIES INC produced more free cash flow last quarter ($63.0M vs $14.5M). Over the past eight quarters, iRhythm Holdings, Inc.'s revenue compounded faster (25.8% CAGR vs 7.8%).
Esco is a Singaporean brand that develops, manufactures, and sells products and services for laboratories.
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.
ESE vs IRTC — Head-to-Head
Income Statement — Q1 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $289.7M | $208.9M |
| Net Profit | $28.7M | $5.6M |
| Gross Margin | 41.4% | 70.9% |
| Operating Margin | 13.2% | 1.1% |
| Net Margin | 9.9% | 2.7% |
| Revenue YoY | 17.3% | 27.1% |
| Net Profit YoY | 22.2% | 518.5% |
| EPS (diluted) | $1.11 | $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 | $289.7M | $208.9M | ||
| Q3 25 | $286.5M | $192.9M | ||
| Q2 25 | $296.3M | $186.7M | ||
| Q1 25 | $265.5M | $158.7M | ||
| Q4 24 | $247.0M | $164.3M | ||
| Q3 24 | $298.5M | $147.5M | ||
| Q2 24 | $260.8M | $148.0M | ||
| Q1 24 | $249.1M | $131.9M |
| Q4 25 | $28.7M | $5.6M | ||
| Q3 25 | $218.7M | $-5.2M | ||
| Q2 25 | $26.1M | $-14.2M | ||
| Q1 25 | $31.0M | $-30.7M | ||
| Q4 24 | $23.5M | $-1.3M | ||
| Q3 24 | $34.3M | $-46.2M | ||
| Q2 24 | $29.2M | $-20.1M | ||
| Q1 24 | $23.2M | $-45.7M |
| Q4 25 | 41.4% | 70.9% | ||
| Q3 25 | 45.9% | 71.1% | ||
| Q2 25 | 41.2% | 71.2% | ||
| Q1 25 | 41.1% | 68.8% | ||
| Q4 24 | 39.8% | 70.0% | ||
| Q3 24 | 40.1% | 68.8% | ||
| Q2 24 | 39.6% | 69.9% | ||
| Q1 24 | 38.8% | 66.3% |
| Q4 25 | 13.2% | 1.1% | ||
| Q3 25 | 17.2% | -4.4% | ||
| Q2 25 | 11.2% | -10.0% | ||
| Q1 25 | 15.3% | -20.5% | ||
| Q4 24 | 11.4% | -2.5% | ||
| Q3 24 | 14.8% | -34.1% | ||
| Q2 24 | 14.3% | -15.5% | ||
| Q1 24 | 11.7% | -28.9% |
| Q4 25 | 9.9% | 2.7% | ||
| Q3 25 | 76.3% | -2.7% | ||
| Q2 25 | 8.8% | -7.6% | ||
| Q1 25 | 11.7% | -19.3% | ||
| Q4 24 | 9.5% | -0.8% | ||
| Q3 24 | 11.5% | -31.3% | ||
| Q2 24 | 11.2% | -13.6% | ||
| Q1 24 | 9.3% | -34.6% |
| Q4 25 | $1.11 | $0.18 | ||
| Q3 25 | $8.43 | $-0.16 | ||
| Q2 25 | $1.01 | $-0.44 | ||
| Q1 25 | $1.20 | $-0.97 | ||
| Q4 24 | $0.91 | $-0.03 | ||
| Q3 24 | $1.32 | $-1.48 | ||
| Q2 24 | $1.13 | $-0.65 | ||
| Q1 24 | $0.90 | $-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 | $103.8M | $583.8M |
| Total DebtLower is stronger | $145.5M | — |
| Stockholders' EquityBook value | $1.6B | $152.7M |
| Total Assets | $2.4B | $1.0B |
| Debt / EquityLower = less leverage | 0.09× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $103.8M | $583.8M | ||
| Q3 25 | $101.3M | $565.2M | ||
| Q2 25 | $78.7M | $545.5M | ||
| Q1 25 | $57.4M | $520.6M | ||
| Q4 24 | $71.3M | $535.6M | ||
| Q3 24 | $66.0M | $522.0M | ||
| Q2 24 | $63.0M | $561.5M | ||
| Q1 24 | $59.4M | $569.1M |
| Q4 25 | $145.5M | — | ||
| Q3 25 | $186.0M | — | ||
| Q2 25 | $525.0M | — | ||
| Q1 25 | $88.0M | — | ||
| Q4 24 | $112.0M | — | ||
| Q3 24 | $122.0M | — | ||
| Q2 24 | $173.0M | — | ||
| Q1 24 | $191.0M | — |
| Q4 25 | $1.6B | $152.7M | ||
| Q3 25 | $1.5B | $121.9M | ||
| Q2 25 | $1.3B | $103.7M | ||
| Q1 25 | $1.3B | $86.7M | ||
| Q4 24 | $1.2B | $90.9M | ||
| Q3 24 | $1.2B | $71.8M | ||
| Q2 24 | $1.2B | $99.2M | ||
| Q1 24 | $1.2B | $90.3M |
| Q4 25 | $2.4B | $1.0B | ||
| Q3 25 | $2.4B | $995.2M | ||
| Q2 25 | $2.5B | $964.0M | ||
| Q1 25 | $1.8B | $926.1M | ||
| Q4 24 | $1.8B | $931.4M | ||
| Q3 24 | $1.8B | $909.7M | ||
| Q2 24 | $1.8B | $919.2M | ||
| Q1 24 | $1.8B | $909.8M |
| Q4 25 | 0.09× | — | ||
| Q3 25 | 0.12× | — | ||
| Q2 25 | 0.40× | — | ||
| Q1 25 | 0.07× | — | ||
| Q4 24 | 0.09× | — | ||
| Q3 24 | 0.10× | — | ||
| Q2 24 | 0.14× | — | ||
| Q1 24 | 0.16× | — |
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 | $68.9M | $26.2M |
| Free Cash FlowOCF − Capex | $63.0M | $14.5M |
| FCF MarginFCF / Revenue | 21.7% | 6.9% |
| Capex IntensityCapex / Revenue | 2.0% | 5.6% |
| Cash ConversionOCF / Net Profit | 2.40× | 4.70× |
| TTM Free Cash FlowTrailing 4 quarters | $239.6M | $34.5M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $68.9M | $26.2M | ||
| Q3 25 | $109.9M | $34.9M | ||
| Q2 25 | $73.7M | $27.7M | ||
| Q1 25 | $24.1M | $-7.9M | ||
| Q4 24 | $34.2M | $19.2M | ||
| Q3 24 | $72.1M | $24.3M | ||
| Q2 24 | $36.2M | $11.8M | ||
| Q1 24 | $10.5M | $-52.0M |
| Q4 25 | $63.0M | $14.5M | ||
| Q3 25 | $97.8M | $20.1M | ||
| Q2 25 | $64.9M | $17.3M | ||
| Q1 25 | $14.0M | $-17.3M | ||
| Q4 24 | $29.0M | $12.4M | ||
| Q3 24 | $60.9M | $15.5M | ||
| Q2 24 | $27.6M | $3.4M | ||
| Q1 24 | $2.0M | $-61.8M |
| Q4 25 | 21.7% | 6.9% | ||
| Q3 25 | 34.1% | 10.4% | ||
| Q2 25 | 21.9% | 9.3% | ||
| Q1 25 | 5.3% | -10.9% | ||
| Q4 24 | 11.7% | 7.5% | ||
| Q3 24 | 20.4% | 10.5% | ||
| Q2 24 | 10.6% | 2.3% | ||
| Q1 24 | 0.8% | -46.8% |
| Q4 25 | 2.0% | 5.6% | ||
| Q3 25 | 4.2% | 7.7% | ||
| Q2 25 | 3.0% | 5.6% | ||
| Q1 25 | 3.8% | 5.9% | ||
| Q4 24 | 2.1% | 4.2% | ||
| Q3 24 | 3.8% | 6.0% | ||
| Q2 24 | 3.3% | 5.7% | ||
| Q1 24 | 3.4% | 7.4% |
| Q4 25 | 2.40× | 4.70× | ||
| Q3 25 | 0.50× | — | ||
| Q2 25 | 2.83× | — | ||
| Q1 25 | 0.78× | — | ||
| Q4 24 | 1.46× | — | ||
| Q3 24 | 2.10× | — | ||
| Q2 24 | 1.24× | — | ||
| Q1 24 | 0.45× | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
ESE
| US Government | $98.0M | 34% |
| Utility Solutions Group | $87.5M | 30% |
| RF Shielding And Test | $58.3M | 20% |
| Commercial | $45.8M | 16% |
| Related Party | $1.3M | 0% |
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% |
