Merck & Co., Inc. vs White Mountains Insurance Group Ltd. Common Stock — how do they compare? Merck & Co., Inc. trades at $149.81 (market cap $350.29B), while White Mountains Insurance Group Ltd. Common Stock trades at $2,096.01 (market cap $5.00B). The key difference: Merck & Co., Inc. is far larger — about 70.1× White Mountains Insurance Group Ltd. Common Stock's market cap, and Merck & Co., Inc. pays the higher dividend (2.39%). Which is the better fit depends on your goals.
| MRK | WTM | |
|---|---|---|
Market Cap | $350.29B | $5.00B |
Volume | 8,158,912 | 16,109 |
Sector | Health | Financials |
52-Week High | $156.43 | $2.32K |
52-Week Low | $82.49 | $1.85K |
Typical Hold Time | 98 Days | — |
Enterprise Value | $397.05B | $5.83B |
Dividend Yield | 2.39% | 0.05% |
Signals from Pluang's Aura AI — not financial advice
Merck (MRK) trades at $147.37, up 1.32% today, with a bullish technical signal and strong institutional buying. Recent earnings beats and a $6.7 billion acquisition of Terns Pharmaceuticals highlight growth momentum. Revenue reached $65.01 billion in 2025, with net income at $18.25 billion, though the P/E ratio of 113.58 reflects high valuation expectations.
Outlook is positive with a consensus price target of $158.50, but risks include patent expirations, regulatory scrutiny, and integration challenges from acquisitions. The stock's premium valuation requires sustained earnings growth to justify further upside, with investor sentiment bolstered by analyst support and strategic pipeline expansion.
White Mountains Insurance Group (WTM) trades at $2,093.13, up 0.31% with neutral technical signals. The stock shows strong fundamentals with a P/E of 4.8 and ROE of 21.9%, though recent earnings were mixed with Q2 2026 beating estimates while Q1 missed. Book value per share reached $2,258 as of June 2026, up 4% quarterly. Recent product launches and board additions signal strategic growth initiatives.
WTM presents value investment appeal with attractive valuation multiples and solid profitability, but faces execution risks from volatile quarterly earnings and negative cash flow trends. Analyst consensus remains neutral with 100% hold ratings, suggesting cautious optimism pending clearer earnings consistency and cash flow improvement.
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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 →White Mountains Insurance Group Ltd. is a Bermuda-based holding company that owns and builds insurance and financial services businesses. Its operating segments include Ark, a specialty insurance and reinsurance underwriter; HG Global, which reinsures municipal bond insurer Build America Mutual; and Kudu Investment Management, which provides capital to boutique asset managers.
Read more on WTM →