Compare National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares (NGG) vs White Mountains Insurance Group Ltd. Common Stock (WTM) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares vs White Mountains Insurance Group Ltd. Common Stock — how do they compare? National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares trades at $79.72 (market cap $78.99B), while White Mountains Insurance Group Ltd. Common Stock trades at $2,127.56 (market cap $5.01B). The key difference: National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares is far larger — about 15.8× White Mountains Insurance Group Ltd. Common Stock's market cap, and National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares pays the higher dividend (4.13%). Which is the better fit depends on your goals.
| NGG | WTM | |
|---|---|---|
Market Cap | $78.99B | $5.01B |
Volume | 740,402 | 19,324 |
Sector | Utilities | Financials |
52-Week High | $93.93 | $2.32K |
52-Week Low | $73.54 | $1.85K |
Enterprise Value | $137.22B | $5.84B |
Dividend Yield | 4.13% | 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
National Grid (NGG) trades at $78.23, up 1.44% on the day, with a market cap of approximately $48.3 billion. The stock shows stable technicals near its consensus price target of $79.25. Fundamentally, it maintains strong profitability with an 18.32% net income margin and has beaten EPS estimates in recent quarters. Recent news highlights institutional buying and a focus on grid innovation, including AI adoption.
Outlook is cautiously positive with upside to the high target of $85.50, supported by earnings momentum and strategic investments. Risks include high debt levels and regulatory pressures. Analyst consensus leans buy (55%), but hold ratings reflect concerns over capital intensity and macroeconomic sensitivity.
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
About National Grid Transco PLC National Grid PLC (NEW) American Depositary Shares
National Grid plc is a British utility company that owns and operates electricity and gas transmission networks in Great Britain, and through its US Regulated business, operates electricity and gas transmission and distribution networks serving customers in New York and Massachusetts. Its shares trade on the NYSE as American Depositary Shares under the ticker NGG.
Read more on NGG →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 →
