Every quarter now, the same headline: Warren Buffett is sitting on a record pile of cash. By early 2026 Berkshire Hathaway's cash-and-Treasury-bill hoard is north of $300 billion, and the internet reads it as an omen — the world's most famous investor won't buy, so a crash must be coming.
We wanted to check the premise, not the vibe. "Record cash" is a dollar figure, and Berkshire is a dramatically bigger company than it was a decade ago, so of course the dollar figures set records. The honest question is about proportion: how much of Berkshire is actually deployed in stocks, and is that unusually low today?
So we pulled Berkshire's own balance sheet straight from its SEC filings — the equity-securities line (the mark-to-market value of the stock portfolio) against total assets — for every year back to 2010.
Stocks were never the majority of Berkshire
Here's the number that reframes everything. From 2010 through 2018, Berkshire's equity portfolio averaged about 21% of its assets. Not 60%, not 80% — about a fifth. The other four-fifths was always the thing people forget Berkshire is: a sprawl of wholly-owned operating businesses — the railroad, the utilities, the insurers, the manufacturers — sitting on a large base of cash and bonds. The cushion isn't new. It's the whole design.
Then look at what happened to the ratio:
- 2019–2021: the stock-heavy years. Equity allocation climbed from 24% to a
peak of 36.6% at the end of 2021 — by far the most stock-exposed Berkshire had been in the dataset. The driver wasn't a hundred new bets; it was one that ballooned: Apple, which grew into a position worth more than $150 billion.
- 2024: the reversion. Buffett trimmed — Apple and Bank of America most visibly — and the equity portfolio fell from $354 billion to $272 billion in a
single year. Allocation dropped to 23.5%.
- Today (Q1 2026): 23.0%. Almost exactly the 2010–2018 average.
The "record cash" is a return to form, not a warning
Put the two facts together and the scary story dissolves. Yes, the cash-and-T-bill pile is a dollar record — Berkshire's total assets more than tripled since 2010 ($372 billion → $1.25 trillion), so its cash line sets records almost automatically. But as a share of the company, Buffett's defensiveness today is unremarkable. It's the 2019–2023 stretch — when stocks briefly ran to a third-plus of the balance sheet — that was the anomaly, and it was mostly a single position doing the work.
Read it the other direction and it's nearly the opposite of the panic narrative: over the full arc, Berkshire's equity portfolio grew faster than the company (up 4.6× since 2010 versus 3.4× for total assets). Buffett didn't turn cautious. He got briefly, unusually aggressive, and has now settled back to the allocation he ran for most of his modern career.
What this doesn't tell you
Two honest caveats. First, "equity as a share of assets" isn't "stocks versus cash" in a vacuum — total assets include the operating companies, so a big acquisition or a strong year at the railroad moves the ratio without Buffett touching a single share. Second, we measure the clean, filing-sourced equity line; the headline cash number also folds in Treasury bills that Berkshire discloses at the segment level, which we don't separate here. Neither changes the shape of the picture: the stock allocation peaked in 2021 and has reverted.
The useful takeaway isn't a market call — it's a caution against reading one into a headline. A "record cash pile" makes great copy and a terrible signal, the same way copying his 13F at the filing deadline earns you nothing and even the most famous investors, cloned for a decade, only match the index. Buffett isn't forecasting a crash. He's being the Buffett who, for most of the last sixteen years, kept about a fifth of Berkshire in stocks and the rest in the cushion.
Source: Berkshire Hathaway 10-Q/10-K filings via SEC EDGAR (equity securities ÷ total assets). Not investment advice.