The Silent De-Levering: Berkshire Smaller Per Dollar of Book cover

The Silent De-Levering: Berkshire Smaller Per Dollar of Book

Published in Headquarters
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Four days ago we documented that Berkshire has lagged the S&P 500 by 2.8 percentage points per year since 2010. This piece asks the structural question: why? The answer is hiding in plain sight on the balance sheet. Berkshire's assets-to-equity ratio fell from 2.27× in 2009 to 1.70× in 2025 — a quarter of the company's structural leverage has quietly disappeared.


Berkshire's Third Airline Act: Buying SkyMiles, Not Seats cover

Berkshire's Third Airline Act: Buying SkyMiles, Not Seats

Published in Investments
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Berkshire's Q1 2026 13F shows a $2.65B position in Delta Air Lines — its first airline stake since the 2020 exit. The number is small; the substance isn't. Delta in 2026 isn't an airline so much as a loyalty franchise that flies planes, and three Berkshire airline acts over thirty-seven years trace an evolution in what "investing in airlines" even means.




Buffett's Quiet ESG Ledger at Berkshire cover

Buffett's Quiet ESG Ledger at Berkshire

Published in Headquarters
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Berkshire Hathaway votes down every ESG shareholder proposal and publishes no conglomerate-wide sustainability report. Yet its subsidiaries have poured $38 billion into renewables, retired 22 coal units, and built some of the most progressive supply chains in American manufacturing. The real ESG record hides in plain sight — in the 10-K.