Charlie Munger
Knowledge Index · 26 Companies

Companies & Case Studies

The businesses Munger owned, championed, or dissected across his speeches — each illuminating a principle of the latticework.

Owned & Operated

Businesses Munger controlled directly — Berkshire Hathaway as vice-chairman, and Wesco Financial as chairman & CEO for nearly four decades.

Wesco Financial Subsidiaries

Operating companies held within Wesco Financial — each a case study in Munger's approach to capital allocation, honest reporting, and long-term ownership.

Championed & Admired

Businesses Munger praised consistently in speeches and annual meetings as exemplars of durable competitive advantage, culture, and management quality.

Case Studies from Speeches

Companies Munger analysed publicly — both as positive examples and cautionary tales — to illustrate his mental models in action.