AIG vs SLF: American International and Sun Life Financial compared
The short version
From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.
- Sun Life Financial is the larger company, worth $43.1B, close to American International's $41.0B.
- Sun Life Financial grew revenue faster over the last year (+8.0% vs -0.1%).
- On earnings, American International is the cheaper stock (13.6x vs 20.0x).
Side by side
The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.
| Measure | AIG | SLF |
|---|---|---|
| Market cap | $41.0B | $43.1B |
| Share price | $77.04 | $76.99 |
| Revenue (last fiscal year) | $26.8B | $41.9B |
| Free cash flow (last fiscal year) | — | $2.7B |
| Revenue growth, last year | -0.1% | +8.0% |
| Revenue growth per year, last 5 fiscal years | -15.4% | +4.1% |
| Operating margin | 13.6% | — |
| Net margin | 11.1% | 8.5% |
| Return on equity | 7.3% | 14.5% |
| P/E (trailing) | 13.6x | 20.0x |
| Price / free cash flow | 12.4x | 3.17x |
| EV / EBITDA | 6.49x | — |
| FCF growth the price implies | — | — |
| Dividend yield | 2.3% | 4.6% |
| Debt / equity | 3.03x | 15.2x |
| Fundamental grade | D | C |
| Superinvestors holding it | 8 | 3 |
| Insider purchases, last 12 months | 2 | 0 |
Results from SEC filings
Revenue and free cash flow by fiscal year, from each company's 10-K filings.
American International
| Year | Revenue | Free cash flow | Op. margin |
|---|---|---|---|
| 2021 | $52.2B | $5.9B | 25.6% |
| 2022 | $30.0B | $3.9B | 12.6% |
| 2023 | $27.9B | $6.0B | 10.3% |
| 2024 | $27.3B | — | 14.2% |
| 2025 | $26.8B | — | 14.5% |
Sun Life Financial
| Year | Revenue | Free cash flow | Op. margin |
|---|---|---|---|
| 2021 | $35.7B | -$1.9B | — |
| 2022 | $5.8B | — | — |
| 2023 | $40.9B | $5.4B | — |
| 2024 | $38.8B | $2.4B | — |
| 2025 | $41.9B | $2.7B | — |
Where the revenue comes from
American International · by regions, 2025
International$14.1B53%
North America$12.7B47%
Sun Life Financial · by segments, 2022
Canada$11.9B48%
U.S.$6.3B26%
Asset Management$5.8B23%
Asia$752M3%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open AIG in InvestinglyQuestions
Which is bigger, American International or Sun Life Financial?
Sun Life Financial (SLF), at $43.1B against $41.0B.
Is AIG or SLF cheaper?
By trailing P/E, American International (13.6x) is cheaper than Sun Life Financial (20.0x). A lower multiple can also mean the market expects less growth.
Which grows faster, AIG or SLF?
Sun Life Financial: revenue grew +8.0% over the last year, against -0.1%.
Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.