Warren Buffett

The short version

Warren Buffett is widely regarded as one of the greatest investors of all time, and for good reason. He has a proven track record of consistently outperforming the market over several decades, and his investment philosophy is grounded in sound principles such as value investing, long-term thinking, and diversification.

While his performance has slowed in recent years relative to his own historic standard, his overall legacy and reputation as an investor are unparalleled. We rate him 9.5 / 10 — Trusted.

Why the high rating

• Multi-decade, publicly documented record. Berkshire Hathaway’s results and Buffett’s reasoning are laid out every year in shareholder letters anyone can read.
• A consistent, disciplined philosophy. Value investing, a long time horizon, and buying quality businesses at fair prices — applied for over half a century.
• Radical transparency. Few investors explain their thinking as openly, which is itself a trust signal.

Fair cautions

• Past performance is not a guarantee. Even the best record does not predict future returns.
• Scale changes the game. Berkshire’s size makes the outsized early-career returns difficult to repeat.

Bottom line

A benchmark for what a trustworthy, disciplined, transparent investor looks like.

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