Alliant Energy Corporation vs White Mountains Insurance Group Ltd. Common Stock — how do they compare? Alliant Energy Corporation trades at $67.22 (market cap $17.51B), while White Mountains Insurance Group Ltd. Common Stock trades at $2,141.64 (market cap $5.01B). The key difference: Alliant Energy Corporation is far larger — about 3.5× White Mountains Insurance Group Ltd. Common Stock's market cap, and Alliant Energy Corporation pays the higher dividend (3.17%). Which is the better fit depends on your goals.
| LNT | WTM | |
|---|---|---|
Market Cap | $17.51B | $5.01B |
Volume | 2,397,331 | 19,324 |
Sector | Utilities | Financials |
52-Week High | $78.03 | $2.32K |
52-Week Low | $63.21 | $1.85K |
Typical Hold Time | 65 Days | — |
Enterprise Value | $29.60B | $5.84B |
Dividend Yield | 3.17% | 0.05% |
Signals from Pluang's Aura AI — not financial advice
LNT trades at $66.96, up 0.75% with a bullish technical signal despite mixed momentum indicators. The company shows strong fundamentals with consistent earnings beats (Q4 2025-Q2 2026), 18.45% net margin, and 23-year dividend growth. Recent $1.4B partnership with CareTrust REIT and $13.4B capital expenditure plan through 2029 support long-term growth prospects.
LNT presents a compelling investment case with analyst consensus at Buy (52%) and $74 price target offering 10.5% upside. Risks include rising debt levels (48.48% debt-to-asset ratio) and sensitivity to interest rates. The utility's stable operations and data center demand provide defensive characteristics amid steady 5-7% earnings growth outlook.
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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Alliant Energy is the parent of two regulated utilities, Interstate Power and Light and Wisconsin Power and Light, serving nearly 1 million electricity and natural gas customers and approximately 420,000 natural gas-only customers. Both subsidiaries engage in the generation and distribution of electricity and the distribution and transportation of natural gas. Alliant also owns a 16% interest in American Transmission Co.
Read more on LNT →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 →