The blockbuster deal raises the odds that Buffett’s Berkshire Hathaway, which owns the Burlington Northern Santa Fe railroad, will reach a deal with CSX to create a second transcontinental railroad. Union Pacific and BNSF compete in the western U.S., while CSX and Norfolk Southern are the two big Eastern railroads.

VeriSign, based in Reston, Virginia, said the sale of 4.3 million shares was intended to reduce Berkshire's stake to below 10%, a threshold that triggers regulatory obligations. Berkshire may sell an additional 515,032 shares to meet demand. VeriSign will receive no proceeds from the sale.

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Acquiring CSX would be expensive for Berkshire, but it would still be accretive to its earnings, one analyst calculated.

Berkshire Hathaway stock has been in a funk since the company’s May 3 annual meeting, when CEO Warren Buffett said he would step down as CEO at the end of the year. That has created an opportuni

Berkshire owned about $286 billion of T-bills at the end of 2024 and increased its holdings to $306 billion at the end of Q1 2025. The 1-year treasury rate has decreased compared to last year and is now about 4%. The running yield on the current T-bills is about $12.2 billion.

BERKSHIRE Hathaway sold about one-third of its stake in VeriSign, an internet infrastructure and domain name registry company that Warren Buffett’s conglomerate has invested in since 2012, VeriSign said on Monday.