American International Group, Inc. vs SUN LIFE FINANCIAL INC, two Insurance stocks. A side-by-side on valuation, growth, margins, returns, and what each price is betting.
AIG underwrites property and casualty risk, so its fortunes ride on the combined ratio and on reserves proving adequate. Sun Life runs a life and wealth book in Canada, earning the spread on long-duration float. Sun Life posts the higher return on equity, 14.84% against AIG's 7.82%, and the richer book multiple, 2.34 times versus AIG's 1.01. The earnings multiples land closer, AIG at 13.31 and Sun Life at 17.18. Net margins read 9.03% for Sun Life and 11.86% for AIG, though the two accounting frames don't compare cleanly. AIG pays a 2.31% dividend and trades at nearly its stated book worth; Sun Life's yield is not listed here.
Comparison updated 2026-07-11.
| Metric | AIG | SLF |
|---|---|---|
| Price | $79.12 | $79.94 |
| Market cap | $42.9B | $45.0B |
| Sector | Financial Services | Financial Services |
| Stage | Mature | Growth |
| P/E | 13.9 | 17.6 |
| P/B | 1.06 | 2.40 |
| P/S | 1.61 | 1.46 |
| Revenue growth | -2.1% | +18.1% |
| Net margin | 11.9% | 9.0% |
| Return on equity | 7.8% | 14.8% |
| Return on assets | 2.0% | 0.9% |
| Dividend yield | 2.2% | — |
| Debt / equity | 0.00 | 0.00 |
| Piotroski F (quality) | 8 / 9 | 8 / 9 |
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The stronger value is highlighted per metric where one is strictly better on that single number; it is not an overall verdict on either company. For informational and research purposes only. Not investment advice. Not a recommendation to buy, sell, or hold any security. boothcheck is not a registered investment adviser. Past performance does not guarantee future results.