Billionaire Warren Buffett has funneled $305.5 billion into a safe-haven asset class, while slashing stakes in banking giants Citigroup, Bank of America, and Capital One.

New U.S. Securities and Exchange Commission (SEC) filings show Berkshire Hathaway’s  holdings in short-dated Treasuries increased from $286.472 billion in Q4 2024 to $305.501 billion in Q1 of 2025 – a 6.64 increase in three months.

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According to the filing, Buffett has allocated most of the firm’s cash reserves to US Treasuries as of Q1 2025, followed by investments in equity securities at $263.735 billion. Berkshire also has a $36.892 billion cash position as of last quarter, which ended in March.

Data from the Treasury Department shows Berkshire’s trove of US debt is large enough to surpass Taiwan’s holdings at $297.8 billion. If Warren Buffett’s investment firm were a nation, it would be the 11th-largest foreign holder of Treasury Securities, just behind France’s $363.1 billion, Ireland’s $329.3 billion and Switzerland’s $311.6 billion holdings.

Berkshire’s push for yield on its cash comes after the firm offloaded $3.23 billion worth of shares in three US banking giants last quarter.

Filings show that the investment firm fully exited Citigroup after dumping its remaining shares worth $1 billion.

The firm also sold 48.7 million Bank of America shares worth about $2.19 billion, and cashed out 300,000 shares in Capital One, which were worth roughly $46.489 million.

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