Quest Diagnostics Inc vs Zeta Global Holdings Corp — how do they compare? Quest Diagnostics Inc trades at $237.51 (market cap $26.21B), while Zeta Global Holdings Corp trades at $28.52 (market cap $7.32B). The key difference: Quest Diagnostics Inc is far larger — about 3.6× Zeta Global Holdings Corp's market cap, and Quest Diagnostics Inc pays a 1.45% dividend while Zeta Global Holdings Corp pays none. Which is the better fit depends on your goals.
| DGX | ZETA | |
|---|---|---|
Market Cap | $26.21B | $7.32B |
Sector | Health | Technology |
52-Week High | $238.50 | $29.15 |
52-Week Low | $173.49 | $14.55 |
Enterprise Value | $31.97B | $7.20B |
Dividend Yield | 1.45% | — |
Signals from Pluang's Aura AI — not financial advice
Quest Diagnostics (DGX) trades at $237.99, up 0.15% on the day, near its 52-week high. The stock shows strong momentum with consecutive earnings beats in 2026, including Q2 EPS of $3.12 versus $2.82 expected. Revenue growth accelerated to $11.04 billion in 2025, with net income margin at 9.19%. Technical indicators signal a bullish trend, while analyst consensus is a $249.50 price target. Recent news highlights AI integration and raised 2026 outlook amid robust testing demand.
The outlook for DGX is positive, driven by earnings momentum, strategic partnerships, and healthcare demand. Investment opportunity lies in sustained growth and dividend yield, but risks include margin pressure from lower-margin deals and high debt levels. Valuation at a P/E of 25.21 requires continued execution to justify upside.
ZETA trades at $28.55, up 3.67% today, near its consensus price target of $30.44. The stock shows bullish technical signals with strong moving average support and resistance at $30. Fundamentally, revenue grew to $1.3B in 2025 with a gross margin of 59.48%, though net income remains negative. Recent Q2 2026 earnings beat estimates with 44% revenue growth, marking the 20th consecutive beat-and-raise quarter, driven by AI adoption and partnerships.
Outlook is positive with analyst consensus at Buy (73%) and a $30.44 target, but risks include rich valuation (P/S 4.35, EV/EBITDA 95.89) and execution challenges in integrating AI growth. Investors face volatility from high RSI levels, yet sustained earnings momentum and institutional accumulation support upside potential.
Trailing returns across standard periods
Latest headlines on both assets
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 →Zeta Global is a leading data-driven marketing technology company that provides an omnichannel AI Marketing Cloud. By leveraging a proprietary data cloud of over 2.4 billion deterministic identities, it enables enterprise brands to acquire, grow, and retain customers through predictive intelligence and automated, agentic workflows.
Read more on ZETA →