Cigna Group (CI) vs Quest Diagnostics (DGX)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Quest Diagnostics (DGX) has outperformed Cigna Group (CI) over the past year, gaining 24.8% versus a loss of 9.3%. Over five years, DGX leads with a +59.3% price change compared with +35.1% for CI. Cigna Group is the larger company by market cap ($73.59 billion vs $25.06 billion), about 2.9 times the size, while Quest Diagnostics is growing revenue faster (+11.8% vs +11.2%).
On valuation, Cigna Group trades at a lower forward P/E (8.3x vs 18.8x for Quest Diagnostics). Cigna Group offers the higher dividend yield (2.20% vs 1.46%). Quest Diagnostics converts more of its revenue into profit, with a net margin of 9.0% versus 2.2%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | CI | DGX |
|---|---|---|
| Share price | $278.51 | $227.06 |
| Market cap | $73.59B | $25.06B |
| 1-day change | +1.51% | -0.58% |
| YTD return | +1.19% | +30.85% |
| 1-year return | -9.32% | +24.83% |
| 5-year return | +35.07% | +59.34% |
| P/E ratio (TTM) | 11.51 | 24.10 |
| Forward P/E | 8.31 | 18.84 |
| EPS (TTM) | $24.19 | $9.42 |
| Dividend yield | 2.20% | 1.46% |
| Annual dividend | $6.14 | $3.32 |
| Revenue (latest FY) | $274.90B | $11.04B |
| Revenue growth (YoY) | +11.24% | +11.78% |
| Net income (latest FY) | $5.96B | $992.00M |
| Gross margin | 21.79% | 33.21% |
| Operating margin | 3.35% | 14.10% |
| Net margin | 2.17% | 8.99% |
| 52-week high | $312.18 | $248.84 |
| 52-week low | $239.51 | $171.18 |
| Distance from 52-week high | -10.79% | -8.75% |
| Analyst consensus | buy | buy |
| Avg. price target upside | +22.90% | +9.25% |
| Average volume | 1.67M | 1.04M |
| Shares outstanding | 264.24M | 110.37M |
| Employees | 65,669 | 46,000 |
| Sector | Health Care | Health Care |
| Industry | Medical Specialities | Medical Specialities |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- Cigna Group is about 2.9 times larger than Quest Diagnostics by market value ($73.59B vs $25.06B).
- DGX has outperformed CI by 34.2 percentage points over the past year.
- Quest Diagnostics trades at a higher earnings multiple (24.1x vs 11.5x trailing P/E).
- Quest Diagnostics is more profitable, keeping 9.0 cents of every revenue dollar as net income versus 2.2 cents for Cigna Group.
About Cigna Group
CI stock →The Cigna Group, together with its subsidiaries, provides insurance and related products and services in the United States. It operates through two segments: Evernorth Health Services and Cigna Healthcare.
Health Care · Medical Specialities · 65,669 employees
About Quest Diagnostics
DGX stock →Quest Diagnostics Incorporated provides diagnostic testing and services in the United States. The company develops and delivers diagnostic information services, such as routine, non-routine and advanced clinical testing, anatomic pathology testing, and other diagnostic information services.
Health Care · Medical Specialities · 46,000 employees
CI vs DGX FAQ
Which is bigger, Cigna Group or Quest Diagnostics?
Cigna Group (CI) is larger, with a market capitalization of $73.59B compared with $25.06B for Quest Diagnostics (DGX).
Which stock has performed better over the past year, CI or DGX?
DGX returned +24.83% over the past 12 months, compared with -9.32% for CI (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, CI or DGX?
CI has the lower trailing P/E at 11.5, versus 24.1 for DGX. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Cigna Group or Quest Diagnostics?
Cigna Group has the higher yield at 2.20%, compared with 1.46% for Quest Diagnostics.
Are Cigna Group and Quest Diagnostics in the same industry?
Yes. Both are classified in the Medical Specialities industry within the Health Care sector.