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Compare Aon PLC (AON) vs Merck & Co., Inc. (MRK) Price & Performance

Aon PLC
Merck & Co., Inc.

Price performance

Price movement over the last 24 hours

Key statistics

Aon PLC vs Merck & Co., Inc. — how do they compare? Aon PLC trades at $357.49 (market cap $76.23B), while Merck & Co., Inc. trades at $123.84 (market cap $305.12B). The key difference: Merck & Co., Inc. is far larger — about 4× Aon PLC's market cap, and Merck & Co., Inc. pays the higher dividend (2.75%). Which is the better fit depends on your goals.

AONMRK
Market Cap
$76.23B$305.12B
Sector
FinancialsHealth
52-Week High
$375.27$129.52
52-Week Low
$308.22$77.60
Enterprise Value
$90.29B$348.54B
Dividend Yield
0.92%2.75%

Aura AI Summary

Signals from Pluang's Aura AI — not financial advice

Aon PLC

AON trades at $356.94, up 0.39% with a bullish technical outlook supported by moving averages. The company demonstrates strong fundamentals with Q1 2026 EPS of $6.48 beating expectations and revenue growth from $17.18B in 2025 to projected $17.5B in 2026. Net income margin improved to 22.54% with robust ROE of 46.82%. Recent news highlights dividend declarations and upcoming Q2 earnings.

AON presents a compelling investment case with consistent earnings beats, strong profitability metrics, and analyst consensus target of $399.67 offering 12% upside. Risks include elevated valuation multiples and debt levels, while institutional sentiment remains positive with 50% buy ratings. The stock's technical strength and fundamental growth support continued upward momentum.

Merck & Co., Inc.

Merck (MRK) trades at $123.54, down 1.22% today, with a bullish technical signal from moving averages and a consensus analyst price target of $135.14. The company reported strong earnings beats in recent quarters, with Q1 2026 EPS of -$1.28 beating expectations. Revenue grew to $65.01B in 2025, and net income reached $18.25B, reflecting a robust 28.07% profit margin. Recent news highlights Merck's acquisition of Terns Pharmaceuticals to bolster its oncology pipeline, signaling strategic growth initiatives.

The outlook for MRK remains positive driven by earnings momentum and strategic acquisitions, though risks include rising debt levels and competitive pressures. Wall Street sentiment is bullish with 68% buy ratings, but investors should monitor execution of the Terns integration and patent expirations. The stock offers potential upside to the price target with solid fundamentals supporting long-term value.

Returns comparison

Trailing returns across standard periods

Top news

Latest headlines on both assets

About Aon PLC

Aon is a leading global provider of insurance and reinsurance brokerage and human resource solutions. Its operations are tilted toward its brokerage operations. Headquartered in London, Aon has about 50,000 employees and operations in 120 countries around the world.

Read more on AON

About Merck & Co., Inc.

Merck makes pharmaceutical products to treat several conditions in a number of therapeutic areas, including cardiometabolic disease, cancer, and infections. Within cancer, the firm's immuno-oncology platform is growing as a major contributor to overall sales. The company also has a substantial vaccine business, with treatments to prevent hepatitis B and pediatric diseases as well as HPV and shingles. Additionally, Merck sells animal health-related drugs. From a geographical perspective, just under half of the firm's sales are generated in the United States.

Read more on MRK