AIG vs BRK-B

American International Group and Berkshire Hathaway Inc., both Financial Services

Berkshire Hathaway Inc. is the larger company at $1.1T against $39B. Over the past year BRK-B returned +9.4% against -0.3% for AIG.

American International Group and Berkshire Hathaway Inc.compared on valuation, return and Ryufin’s Smart Score
FigureAIGBRK-B
Last close$76.97$505
Market cap$39B$1.1T
Trailing P/Elower is cheaper for the same earnings, not automatically better14.1n/a
Dividend yield2.3%n/a
1-year return-0.3%+9.4%
5-year return+82%+82%
Ryufin Smart Scoresector-relative, 1–103/10n/a

Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.

American International Group

Revenue of $7.1B in Q2 2026, net income $948M. Its largest reported line is General Insurance, 60% of the disclosed total.

Berkshire Hathaway Inc.

Revenue of $102B in Q2 2026, net income $26B. Its largest reported line is Insurance And Other, 80% of the disclosed total.

Open these two in the interactive comparison to add more names, change the period or read the correlation.