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Side-by-side financial comparison of iRhythm Holdings, Inc. (IRTC) and Zeta Global Holdings Corp. (ZETA). Click either name above to swap in a different company.
Zeta Global Holdings Corp. is the larger business by last-quarter revenue ($394.6M vs $208.9M, roughly 1.9× iRhythm Holdings, Inc.). iRhythm Holdings, Inc. runs the higher net margin — 2.7% vs 1.7%, a 1.0% gap on every dollar of revenue. On growth, iRhythm Holdings, Inc. posted the faster year-over-year revenue change (27.1% vs 25.4%). Zeta Global Holdings Corp. produced more free cash flow last quarter ($60.9M vs $14.5M). Over the past eight quarters, Zeta Global Holdings Corp.'s revenue compounded faster (42.3% 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.
Zeta Global Holdings Corp. is an American marketing technology company which was founded in 2007. Zeta offers companies a suite of multichannel marketing tools focused on creating, maintaining, and monetizing customer relationships. The company went public on the New York Stock Exchange on June 10, 2021, at a US$1.7 billion valuation.
IRTC vs ZETA — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $208.9M | $394.6M |
| Net Profit | $5.6M | $6.5M |
| Gross Margin | 70.9% | 59.5% |
| Operating Margin | 1.1% | 4.5% |
| Net Margin | 2.7% | 1.7% |
| Revenue YoY | 27.1% | 25.4% |
| Net Profit YoY | 518.5% | -57.1% |
| EPS (diluted) | $0.18 | $0.04 |
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 | $208.9M | $394.6M | ||
| Q3 25 | $192.9M | $337.2M | ||
| Q2 25 | $186.7M | $308.4M | ||
| Q1 25 | $158.7M | $264.4M | ||
| Q4 24 | $164.3M | $314.7M | ||
| Q3 24 | $147.5M | $268.3M | ||
| Q2 24 | $148.0M | $227.8M | ||
| Q1 24 | $131.9M | $194.9M |
| Q4 25 | $5.6M | $6.5M | ||
| Q3 25 | $-5.2M | $-3.6M | ||
| Q2 25 | $-14.2M | $-12.8M | ||
| Q1 25 | $-30.7M | $-21.6M | ||
| Q4 24 | $-1.3M | $15.2M | ||
| Q3 24 | $-46.2M | $-17.4M | ||
| Q2 24 | $-20.1M | $-28.1M | ||
| Q1 24 | $-45.7M | $-39.6M |
| Q4 25 | 70.9% | 59.5% | ||
| Q3 25 | 71.1% | 60.5% | ||
| Q2 25 | 71.2% | 62.1% | ||
| Q1 25 | 68.8% | 60.9% | ||
| Q4 24 | 70.0% | 60.0% | ||
| Q3 24 | 68.8% | 60.6% | ||
| Q2 24 | 69.9% | 60.0% | ||
| Q1 24 | 66.3% | 60.6% |
| Q4 25 | 1.1% | 4.5% | ||
| Q3 25 | -4.4% | 2.6% | ||
| Q2 25 | -10.0% | -1.7% | ||
| Q1 25 | -20.5% | -6.1% | ||
| Q4 24 | -2.5% | 2.2% | ||
| Q3 24 | -34.1% | -4.6% | ||
| Q2 24 | -15.5% | -11.7% | ||
| Q1 24 | -28.9% | -18.4% |
| Q4 25 | 2.7% | 1.7% | ||
| Q3 25 | -2.7% | -1.1% | ||
| Q2 25 | -7.6% | -4.2% | ||
| Q1 25 | -19.3% | -8.2% | ||
| Q4 24 | -0.8% | 4.8% | ||
| Q3 24 | -31.3% | -6.5% | ||
| Q2 24 | -13.6% | -12.3% | ||
| Q1 24 | -34.6% | -20.3% |
| Q4 25 | $0.18 | $0.04 | ||
| Q3 25 | $-0.16 | $-0.02 | ||
| Q2 25 | $-0.44 | $-0.06 | ||
| Q1 25 | $-0.97 | $-0.10 | ||
| Q4 24 | $-0.03 | $0.10 | ||
| Q3 24 | $-1.48 | $-0.09 | ||
| Q2 24 | $-0.65 | $-0.16 | ||
| Q1 24 | $-1.47 | $-0.23 |
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 | $319.8M |
| Total DebtLower is stronger | — | $197.1M |
| Stockholders' EquityBook value | $152.7M | $804.6M |
| Total Assets | $1.0B | $1.5B |
| Debt / EquityLower = less leverage | — | 0.24× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $583.8M | $319.8M | ||
| Q3 25 | $565.2M | $385.2M | ||
| Q2 25 | $545.5M | $365.3M | ||
| Q1 25 | $520.6M | $364.4M | ||
| Q4 24 | $535.6M | $366.2M | ||
| Q3 24 | $522.0M | $418.5M | ||
| Q2 24 | $561.5M | $154.7M | ||
| Q1 24 | $569.1M | $141.6M |
| Q4 25 | — | $197.1M | ||
| Q3 25 | — | $196.9M | ||
| Q2 25 | — | $196.7M | ||
| Q1 25 | — | $196.5M | ||
| Q4 24 | — | $196.3M | ||
| Q3 24 | — | $196.1M | ||
| Q2 24 | — | $184.4M | ||
| Q1 24 | — | $184.2M |
| Q4 25 | $152.7M | $804.6M | ||
| Q3 25 | $121.9M | $689.2M | ||
| Q2 25 | $103.7M | $673.3M | ||
| Q1 25 | $86.7M | $676.6M | ||
| Q4 24 | $90.9M | $676.8M | ||
| Q3 24 | $71.8M | $474.9M | ||
| Q2 24 | $99.2M | $217.0M | ||
| Q1 24 | $90.3M | $191.6M |
| Q4 25 | $1.0B | $1.5B | ||
| Q3 25 | $995.2M | $1.2B | ||
| Q2 25 | $964.0M | $1.1B | ||
| Q1 25 | $926.1M | $1.1B | ||
| Q4 24 | $931.4M | $1.1B | ||
| Q3 24 | $909.7M | $869.1M | ||
| Q2 24 | $919.2M | $583.9M | ||
| Q1 24 | $909.8M | $550.3M |
| Q4 25 | — | 0.24× | ||
| Q3 25 | — | 0.29× | ||
| Q2 25 | — | 0.29× | ||
| Q1 25 | — | 0.29× | ||
| Q4 24 | — | 0.29× | ||
| Q3 24 | — | 0.41× | ||
| Q2 24 | — | 0.85× | ||
| Q1 24 | — | 0.96× |
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 | $64.1M |
| Free Cash FlowOCF − Capex | $14.5M | $60.9M |
| FCF MarginFCF / Revenue | 6.9% | 15.4% |
| Capex IntensityCapex / Revenue | 5.6% | 0.8% |
| Cash ConversionOCF / Net Profit | 4.70× | 9.81× |
| TTM Free Cash FlowTrailing 4 quarters | $34.5M | $185.1M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $26.2M | $64.1M | ||
| Q3 25 | $34.9M | $57.9M | ||
| Q2 25 | $27.7M | $42.0M | ||
| Q1 25 | $-7.9M | $34.8M | ||
| Q4 24 | $19.2M | $43.7M | ||
| Q3 24 | $24.3M | $34.4M | ||
| Q2 24 | $11.8M | $31.1M | ||
| Q1 24 | $-52.0M | $24.7M |
| Q4 25 | $14.5M | $60.9M | ||
| Q3 25 | $20.1M | $52.4M | ||
| Q2 25 | $17.3M | $39.7M | ||
| Q1 25 | $-17.3M | $32.1M | ||
| Q4 24 | $12.4M | $35.4M | ||
| Q3 24 | $15.5M | $29.5M | ||
| Q2 24 | $3.4M | $24.4M | ||
| Q1 24 | $-61.8M | $18.9M |
| Q4 25 | 6.9% | 15.4% | ||
| Q3 25 | 10.4% | 15.6% | ||
| Q2 25 | 9.3% | 12.9% | ||
| Q1 25 | -10.9% | 12.1% | ||
| Q4 24 | 7.5% | 11.3% | ||
| Q3 24 | 10.5% | 11.0% | ||
| Q2 24 | 2.3% | 10.7% | ||
| Q1 24 | -46.8% | 9.7% |
| Q4 25 | 5.6% | 0.8% | ||
| Q3 25 | 7.7% | 1.6% | ||
| Q2 25 | 5.6% | 0.8% | ||
| Q1 25 | 5.9% | 1.0% | ||
| Q4 24 | 4.2% | 2.6% | ||
| Q3 24 | 6.0% | 1.8% | ||
| Q2 24 | 5.7% | 3.0% | ||
| Q1 24 | 7.4% | 3.0% |
| Q4 25 | 4.70× | 9.81× | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | 2.87× | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 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% |
ZETA
Segment breakdown not available.
