Quest Diagnostics Inc vs Illumina, Inc. — how do they compare? Quest Diagnostics Inc trades at $237.19 (market cap $26.21B), while Illumina, Inc. trades at $191.21 (market cap $29.12B). The key difference: Quest Diagnostics Inc and Illumina, Inc. are close in size by market cap, and Quest Diagnostics Inc pays a 1.45% dividend while Illumina, Inc. pays none. Which is the better fit depends on your goals.
| DGX | ILMN | |
|---|---|---|
Market Cap | $26.21B | $29.12B |
Sector | Health | Health |
52-Week High | $238.50 | $205.10 |
52-Week Low | $173.49 | $91.00 |
Enterprise Value | $31.97B | $30.48B |
Dividend Yield | 1.45% | — |
Signals from Pluang's Aura AI — not financial advice
Quest Diagnostics (DGX) trades at $237.63, down slightly by 0.3% today, but maintains strong momentum with three consecutive quarterly earnings beats and a raised 2026 outlook. The stock shows bullish technical signals with moving averages supporting upward trends, while fundamentals reveal solid revenue growth to $11.04 billion in 2025 and improving profit margins. Recent news highlights surging testing demand and AI implementation driving operational efficiency.
DGX presents a favorable investment case with analyst consensus price target of $249.50 offering 5% upside potential. Strong testing demand, strategic partnerships, and earnings momentum support growth, though elevated debt levels and margin pressures from lower-margin deals pose moderate risks. The stock's current valuation at 25.21 P/E appears reasonable given growth prospects.
Illumina (ILMN) trades at $191.79, up 2.04% today, with a neutral technical signal and strong fundamental recovery. The stock shows bullish moving averages but faces resistance near $194. Recent earnings beats and a return to profitability in 2025, with $850M net income, highlight operational turnaround. Revenue remains stable around $4.3B, supported by robust gross margins of 66.38%.
Outlook is positive with analyst consensus Buy rating and $201.58 price target, though high P/E of 35.98 poses valuation risk. Key opportunities include sequencing demand and AI partnerships, while risks involve debt levels and competitive pressures. Institutional activity is mixed, with some funds increasing stakes amid earnings momentum.
Trailing returns across standard periods
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the U.S. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk assessment services, and information technology solutions.
Read more on DGX →Illumina provides tools and services to analyze genetic material with life science and clinical lab applications. The company generates over 90% of its revenue from sequencing instruments, consumables, and services. Illumina's high-throughput technology enables whole genome sequencing in humans and other large organisms. Its lower throughput tools enable applications that require smaller data outputs, such as viral and cancer tumor screening. Illumina also sells microarrays (less than 10% of sales) that enable lower-cost, focused genetic screening with primarily consumer and agricultural applications.
Read more on ILMN →