Poor Charlie's Almanack: The Essential Wit and Wisdom of Charles T. Munger · chapter 5 · id poor-charlies-almanack-c5-06-wesco-financial-under-mungers-

“Wesco Financial under Munger's chairmanship (1984-2011) grew book value at ~9.8% annually, significantly underperforming Berkshire's ~19.8% over the same period.”

holdsconfidence: high✓ ZHP-verified + red-teamed

Receipts

Wesco Financial SEC Filings (10-K)paywalled — manual check queued

Wesco's book value per share grew from approximately $30 in 1984 to $363 at Berkshire's full acquisition in 2011, ~9.8% CAGR.

Berkshire Hathaway 2011 Annual Lettersource alive

Berkshire acquired the remaining Wesco shares for $385.90 per share in 2011.

This claim is a stable, citable object. If you can falsify a verdict, tell us — corrections are loud here.