Whale Watch: Where Biggest Investors Are Putting Money
He closed his holdings in Norfolk Southern and Union Pacific ahead of Berkshire's acquisition of Burlington Northern Santa Fe.
The total value of the Berkshire portfolio rose to nearly $58 billion for the quarter, a gain of about 2.4 percent.
Investors that manage more than $100 million are required to file the public 13-F forms within 45 days of quarter's end. The deadline for filing was Tuesday, and most big managers waited until then to file.