Compare TransMedics Group Inc (TMDX) vs White Mountains Insurance Group Ltd. Common Stock (WTM) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
TransMedics Group Inc vs White Mountains Insurance Group Ltd. Common Stock — how do they compare? TransMedics Group Inc trades at $75.76 (market cap $2.74B), while White Mountains Insurance Group Ltd. Common Stock trades at $2,090 (market cap $5.01B). The key difference: White Mountains Insurance Group Ltd. Common Stock is the larger of the two by market cap, and White Mountains Insurance Group Ltd. Common Stock pays a 0.05% dividend while TransMedics Group Inc pays none. Which is the better fit depends on your goals.
| TMDX | WTM | |
|---|---|---|
Market Cap | $2.74B | $5.01B |
Volume | 1,025,926 | 19,324 |
Sector | Health | Financials |
52-Week High | $150.42 | $2.32K |
52-Week Low | $61.99 | $1.85K |
Typical Hold Time | 24 Days | — |
Enterprise Value | $3.14B | $5.84B |
Dividend Yield | — | 0.05% |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
TMDX trades at $79.14, up 1.23% on the day, but faces a bearish technical outlook with recent earnings misses in Q1 and Q2 2026. The company maintains strong profitability with a 22.69% net income margin and 36.28% ROE, though 2026 projections show margin compression. Recent news highlights insider buying and a new CFO appointment, alongside multiple legal investigations into fiduciary duties.
The stock presents a mixed outlook; analyst consensus is bullish with a $99.63 price target, but near-term risks include earnings volatility, legal scrutiny, and a declining net cash flow trend. Investors should weigh solid fundamentals against execution and sentiment risks.
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.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
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About TransMedics Group Inc
TransMedics is a pioneering medical technology company that is disrupting the organ transplant market with its Organ Care System (OCS™). By replacing traditional cold storage with portable warm perfusion, the OCS maintains donor organs in a near-physiologic state, allowing for continuous assessment and optimization. Through its National OCS Program (NOP™), TransMedics provides an end-to-end clinical and logistics solution, including a dedicated aviation fleet, to maximize the utilization of donor organs and improve patient outcomes.
Read more on TMDX →About White Mountains Insurance Group Ltd. Common Stock
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 →
