Warren Buffett has never been shy about voicing his opinion on idle cash. As he explained in an op-ed written for the New York Times during 2008’s subprime mortgage meltdown, “Today people who hold cash equivalents feel comfortable. They shouldn’t. They have opted for a terrible long-term asset, one that pays virtually nothing and is certain to depreciate in value.” And he reiterated this stance not too long after that, saying, “The one thing I will tell you is the worst investment you can have is cash… cash is going to become worth less over time.”
Except, the Oracle of Omaha wasn’t taking his own advice when he stepped down as Berkshire Hathaway‘s (NYSE: BRKA)(NYSE: BRKB) CEO and chief stock-picker at the end of last year. By then, the company was sitting on a whopping $373.3 billion in uninvested cash — roughly one-third of Berkshire Hathaway’s total market cap. And under new CEO Greg Abel’s leadership, this cash stash reached nearly $400 billion by the end of Q1. What gives?
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Buffett’s warning just needs context.
The rest of the Berkshire cash pile story
You need to know two things about Berkshire’s current cash hoard. First, most of it isn’t actually cash. As of the end of March, the conglomerate held $339.3 billion in U.S. Treasury Bills, which are almost as liquid as cash but currently yield around 3.5%. That’s not a huge annualized gain, but it is keeping pace with inflation. That’s Buffett’s primary concern.
Still, even high-yielding cash-like investments aren’t the same as growth stocks and other income investments. Shouldn’t Berkshire own more of these?
Maybe. But Buffett has addressed this too, and fairly recently. That’s the second thing to know. In 2024’s annual letter to shareholders, published in early 2025 (when Berkshire Hathaway’s cash position first began really piling up), he noted, “Berkshire will never prefer ownership of cash-equivalent assets over the ownership of good businesses, whether controlled or only partially owned.”
The word “good” is the key one here. Buffett — and now Abel — aren’t seeing many quality prospects at a price they like that are unlikely to lose value; OxyChem and Taylor Morrison are recent rare exceptions.
And this leads us to the risk that Buffett considers worse than simply holding cash. As he said in a TV interview all the way back in 1985, “The first rule of an investment is ‘don’t lose.’ And the second rule of an investment is ‘don’t forget the first rule.'”
