Theory

The Perils of Passive Investing

No Such Thing as a Free Lunch

Feb 26 • Bonnefin Group

Everyone Should Care About Capital Allocation

Run From It. Hide From It. It Is Inevitable.

Feb 19 • Bonnefin Group

Back of the Napkin Valuation Tools

Simple is Usually Best

Jan 29 • Bonnefin Group

The Mandate of Capital

Heavy Is the Crown

Jan 25 • Bonnefin Group

A Primer on Value Investing

All Sound Investing is Value Investing

Dec 23, 2025 • Bonnefin Group

#nojs-banner { position: fixed; bottom: 0; left: 0; padding: 16px 16px 16px 32px; width: 100%; box-sizing: border-box; background: red; color: white; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; font-size: 13px; line-height: 13px; } #nojs-banner a { color: inherit; text-decoration: underline; } This site requires JavaScript to run correctly. Please turn on JavaScript or unblock scripts

Bonnefin Research

Theory