Warren Buffett's Berkshire Hathaway has added 825,000 more shares to its Burlington Northern Santa Fe stake, bringing its total holdings to 64,610,418 shares.
Berkshire now owns 18.87 percent of Burlington's outstanding shares, up slightly from the 18.63 percent stake it held before the latest purchase.
In a filing with the SEC a few minutes ago, Berkshire says it made its latest purchase two days ago, on October 28, paying $79.65 a share. That puts the purchase price at just under $66 million.
Burlington hit an intraday low of $77.58 on Tuesday, but closed at $83.45. Today (Thursday) it finished the regular session at $86.59.
That means the stock is up 3.8 percent close-to-close, and up 8.7 percent from Berkshire's purchase price.