The Reinvestment Cliff: What Berkshire's Bond Engine Gives Back When Rates Fall cover

The Reinvestment Cliff: What Berkshire's Bond Engine Gives Back When Rates Fall

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Berkshire's ~$339 billion Treasury-bill pile turned into a BNSF-sized earnings engine when rates rose — and because Buffett and Abel keep it ultra-short, that engine reprices almost 1:1 with the front end. The reinvestment cliff is no longer hypothetical: insurance investment income already fell in 2025 and again in Q1 2026. We map the gearing, the roll mechanics, and why a shrinking bond engine is really a capital-allocation pressure gauge.









The Dark Side of Berkshire Hathaway's Stock Price Surge cover

The Dark Side of Berkshire Hathaway's Stock Price Surge

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This article explores the potential downsides of investing in a company with a high stock price, using Berkshire Hathaway as a case study. It discusses the risks of high stock prices, the impact of stock buybacks, and the potential impact of the Biden administration's proposed excise tax on stock buybacks. The article concludes with recommendations for long-term investors.