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Side-by-side financial comparison of Quest Diagnostics (DGX) and Edison International (EIX). Click either name above to swap in a different company.
Edison International is the larger business by last-quarter revenue ($5.2B vs $2.9B, roughly 1.8× Quest Diagnostics). Edison International runs the higher net margin — 35.4% vs 9.7%, a 25.7% gap on every dollar of revenue. On growth, Edison International posted the faster year-over-year revenue change (30.8% vs 9.2%). Over the past eight quarters, Edison International's revenue compounded faster (13.1% CAGR vs 9.9%).
Quest Diagnostics Incorporated is an American clinical laboratory. A Fortune 500 company, Quest operates in the United States, Puerto Rico, Mexico, and Brazil. Quest also maintains collaborative agreements with various hospitals and clinics across the globe.
Edison International is a public utility holding company based in Rosemead, California. Its subsidiaries include Southern California Edison, and unregulated non-utility business assets Edison Energy. Edison's roots trace back to Holt & Knupps, a company founded in 1886 as a provider of street lights in Visalia, California.
DGX vs EIX — Head-to-Head
Income Statement — Q1 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $2.9B | $5.2B |
| Net Profit | $281.0M | $1.8B |
| Gross Margin | — | — |
| Operating Margin | 15.4% | 52.8% |
| Net Margin | 9.7% | 35.4% |
| Revenue YoY | 9.2% | 30.8% |
| Net Profit YoY | 12.0% | 443.5% |
| EPS (diluted) | $2.24 | $4.78 |
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 | $2.9B | — | ||
| Q4 25 | $2.8B | $5.2B | ||
| Q3 25 | $2.8B | $5.8B | ||
| Q2 25 | $2.8B | $4.5B | ||
| Q1 25 | $2.7B | $3.8B | ||
| Q4 24 | $2.6B | $4.0B | ||
| Q3 24 | $2.5B | $5.2B | ||
| Q2 24 | $2.4B | $4.3B |
| Q1 26 | $281.0M | — | ||
| Q4 25 | $245.0M | $1.8B | ||
| Q3 25 | $245.0M | $832.0M | ||
| Q2 25 | $282.0M | $343.0M | ||
| Q1 25 | $220.0M | $1.4B | ||
| Q4 24 | $222.0M | $340.0M | ||
| Q3 24 | $226.0M | $516.0M | ||
| Q2 24 | $229.0M | $439.0M |
| Q1 26 | — | — | ||
| Q4 25 | 32.4% | — | ||
| Q3 25 | 33.7% | — | ||
| Q2 25 | 34.2% | — | ||
| Q1 25 | 32.5% | — | ||
| Q4 24 | 32.7% | — | ||
| Q3 24 | 32.6% | — | ||
| Q2 24 | 33.5% | — |
| Q1 26 | 15.4% | — | ||
| Q4 25 | 13.8% | 52.8% | ||
| Q3 25 | 13.7% | 24.9% | ||
| Q2 25 | 15.9% | 17.1% | ||
| Q1 25 | 13.0% | 56.0% | ||
| Q4 24 | 13.8% | 19.8% | ||
| Q3 24 | 13.3% | 19.1% | ||
| Q2 24 | 14.8% | 20.8% |
| Q1 26 | 9.7% | — | ||
| Q4 25 | 8.7% | 35.4% | ||
| Q3 25 | 8.7% | 14.5% | ||
| Q2 25 | 10.2% | 7.6% | ||
| Q1 25 | 8.3% | 37.7% | ||
| Q4 24 | 8.5% | 8.5% | ||
| Q3 24 | 9.1% | 9.9% | ||
| Q2 24 | 9.6% | 10.1% |
| Q1 26 | $2.24 | — | ||
| Q4 25 | $2.18 | $4.78 | ||
| Q3 25 | $2.16 | $2.16 | ||
| Q2 25 | $2.47 | $0.89 | ||
| Q1 25 | $1.94 | $3.72 | ||
| Q4 24 | $1.95 | $0.89 | ||
| Q3 24 | $1.99 | $1.32 | ||
| Q2 24 | $2.03 | $1.13 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $393.0M | $158.0M |
| Total DebtLower is stronger | $5.7B | $38.0B |
| Stockholders' EquityBook value | $7.7B | $17.6B |
| Total Assets | $16.7B | $94.0B |
| Debt / EquityLower = less leverage | 0.74× | 2.16× |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $393.0M | — | ||
| Q4 25 | $420.0M | $158.0M | ||
| Q3 25 | $432.0M | $364.0M | ||
| Q2 25 | $319.0M | $140.0M | ||
| Q1 25 | $188.0M | $1.3B | ||
| Q4 24 | $549.0M | $193.0M | ||
| Q3 24 | $764.0M | $200.0M | ||
| Q2 24 | $271.0M | $465.0M |
| Q1 26 | $5.7B | — | ||
| Q4 25 | $5.2B | $38.0B | ||
| Q3 25 | $5.2B | $36.4B | ||
| Q2 25 | $5.2B | $37.7B | ||
| Q1 25 | $5.9B | $38.4B | ||
| Q4 24 | $5.6B | $35.6B | ||
| Q3 24 | $5.6B | $34.9B | ||
| Q2 24 | $3.8B | $34.8B |
| Q1 26 | $7.7B | — | ||
| Q4 25 | $7.2B | $17.6B | ||
| Q3 25 | $7.3B | $17.2B | ||
| Q2 25 | $7.2B | $16.7B | ||
| Q1 25 | $6.9B | $16.6B | ||
| Q4 24 | $6.8B | $15.6B | ||
| Q3 24 | $6.8B | $15.7B | ||
| Q2 24 | $6.6B | $15.4B |
| Q1 26 | $16.7B | — | ||
| Q4 25 | $16.2B | $94.0B | ||
| Q3 25 | $16.2B | $90.5B | ||
| Q2 25 | $16.0B | $88.8B | ||
| Q1 25 | $15.8B | $88.4B | ||
| Q4 24 | $16.2B | $85.6B | ||
| Q3 24 | $16.1B | $84.7B | ||
| Q2 24 | $13.9B | $84.8B |
| Q1 26 | 0.74× | — | ||
| Q4 25 | 0.72× | 2.16× | ||
| Q3 25 | 0.71× | 2.12× | ||
| Q2 25 | 0.72× | 2.26× | ||
| Q1 25 | 0.85× | 2.31× | ||
| Q4 24 | 0.83× | 2.29× | ||
| Q3 24 | 0.83× | 2.23× | ||
| Q2 24 | 0.58× | 2.26× |
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 | $278.0M | $1.6B |
| Free Cash FlowOCF − Capex | — | $-319.0M |
| FCF MarginFCF / Revenue | — | -6.1% |
| Capex IntensityCapex / Revenue | 3.9% | 36.3% |
| Cash ConversionOCF / Net Profit | 0.99× | 0.85× |
| TTM Free Cash FlowTrailing 4 quarters | — | $-715.0M |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $278.0M | — | ||
| Q4 25 | $465.0M | $1.6B | ||
| Q3 25 | $563.0M | $2.1B | ||
| Q2 25 | $544.0M | $882.0M | ||
| Q1 25 | $314.0M | $1.2B | ||
| Q4 24 | $464.0M | $1.2B | ||
| Q3 24 | $356.0M | $2.5B | ||
| Q2 24 | $360.0M | $329.0M |
| Q1 26 | — | — | ||
| Q4 25 | $307.0M | $-319.0M | ||
| Q3 25 | $419.0M | $618.0M | ||
| Q2 25 | $436.0M | $-830.0M | ||
| Q1 25 | $197.0M | $-184.0M | ||
| Q4 24 | $341.0M | $-326.0M | ||
| Q3 24 | $250.0M | $961.0M | ||
| Q2 24 | $268.0M | $-1.1B |
| Q1 26 | — | — | ||
| Q4 25 | 10.9% | -6.1% | ||
| Q3 25 | 14.9% | 10.7% | ||
| Q2 25 | 15.8% | -18.3% | ||
| Q1 25 | 7.4% | -4.8% | ||
| Q4 24 | 13.0% | -8.2% | ||
| Q3 24 | 10.0% | 18.5% | ||
| Q2 24 | 11.2% | -25.2% |
| Q1 26 | 3.9% | — | ||
| Q4 25 | 5.6% | 36.3% | ||
| Q3 25 | 5.1% | 26.2% | ||
| Q2 25 | 3.9% | 37.7% | ||
| Q1 25 | 4.4% | 36.9% | ||
| Q4 24 | 4.7% | 37.6% | ||
| Q3 24 | 4.3% | 29.1% | ||
| Q2 24 | 3.8% | 32.8% |
| Q1 26 | 0.99× | — | ||
| Q4 25 | 1.90× | 0.85× | ||
| Q3 25 | 2.30× | 2.55× | ||
| Q2 25 | 1.93× | 2.57× | ||
| Q1 25 | 1.43× | 0.85× | ||
| Q4 24 | 2.09× | 3.44× | ||
| Q3 24 | 1.58× | 4.79× | ||
| Q2 24 | 1.57× | 0.75× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
DGX
Segment breakdown not available.
EIX
| Commercial | $2.2B | 43% |
| Residential | $1.2B | 23% |
| Other | $966.0M | 19% |
| Other Operating Revenue | $802.0M | 15% |
