Assured Guaranty (AGO) vs White Mountains Insurance Group (WTM)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
White Mountains Insurance Group (WTM) has outperformed Assured Guaranty (AGO) over the past year, gaining 8.6% versus a loss of 14.3%. Over five years, WTM leads with a +87.0% price change compared with +33.8% for AGO. White Mountains Insurance Group is the larger company by market cap ($4.92 billion vs $3.10 billion), about 1.6 times the size.
On valuation, Assured Guaranty trades at a lower forward P/E (10.0x vs 22.9x for White Mountains Insurance Group). Assured Guaranty offers the higher dividend yield (2.04% vs 0.05%). Assured Guaranty converts more of its revenue into profit, with a net margin of 45.3% versus 29.6%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | AGO | WTM |
|---|---|---|
| Share price | $70.49 | $2,059.63 |
| Market cap | $3.10B | $4.92B |
| 1-day change | -0.33% | -0.01% |
| YTD return | -21.31% | -0.88% |
| 1-year return | -14.27% | +8.63% |
| 5-year return | +33.79% | +87.00% |
| P/E ratio (TTM) | 9.39 | 4.72 |
| Forward P/E | 10.01 | 22.88 |
| EPS (TTM) | $7.51 | $436.50 |
| Dividend yield | 2.04% | 0.05% |
| Annual dividend | $1.44 | $1.00 |
| Revenue (latest FY) | $1.11B | $3.73B |
| Revenue growth (YoY) | +27.29% | +66.76% |
| Net income (latest FY) | $503.00M | $1.11B |
| Gross margin | — | 95.94% |
| Net margin | 45.32% | 29.62% |
| 52-week high | $92.40 | $2,333.00 |
| 52-week low | $67.24 | $1,830.13 |
| Distance from 52-week high | -23.71% | -11.72% |
| Analyst consensus | strong_buy | — |
| Avg. price target upside | +29.10% | — |
| Average volume | 418.88K | 19.73K |
| Shares outstanding | 43.98M | 2.39M |
| Employees | 367 | 1,648 |
| Sector | Finance | Finance |
| Industry | Property-Casualty Insurers | Property-Casualty Insurers |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- WTM has outperformed AGO by 22.9 percentage points over the past year.
- Assured Guaranty trades at a higher earnings multiple (9.4x vs 4.7x trailing P/E).
- Assured Guaranty offers a meaningfully higher dividend yield (2.04% vs 0.05%).
- Assured Guaranty is more profitable, keeping 45.3 cents of every revenue dollar as net income versus 29.6 cents for White Mountains Insurance Group.
- White Mountains Insurance Group grew revenue faster in its latest fiscal year (+66.76% vs +27.29%).
About Assured Guaranty
AGO stock →Assured Guaranty Ltd., together with its subsidiaries, provides credit protection products to public finance and structured finance markets in the United States and internationally. It operates through Insurance and Asset Management segments.
Finance · Property-Casualty Insurers · 367 employees
About White Mountains Insurance Group
WTM stock →White Mountains Insurance Group, Ltd. provides insurance services in the United States, the United Kingdom, Bermuda, and internationally.
Finance · Property-Casualty Insurers · 1,648 employees
AGO vs WTM FAQ
Which is bigger, Assured Guaranty or White Mountains Insurance Group?
White Mountains Insurance Group (WTM) is larger, with a market capitalization of $4.92B compared with $3.10B for Assured Guaranty (AGO).
Which stock has performed better over the past year, AGO or WTM?
WTM returned +8.63% over the past 12 months, compared with -14.27% for AGO (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, AGO or WTM?
WTM has the lower trailing P/E at 4.7, versus 9.4 for AGO. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Assured Guaranty or White Mountains Insurance Group?
Assured Guaranty has the higher yield at 2.04%, compared with 0.05% for White Mountains Insurance Group.
Are Assured Guaranty and White Mountains Insurance Group in the same industry?
Yes. Both are classified in the Property-Casualty Insurers industry within the Finance sector.