Berkshire Hathaway (BRK.A) - Get Report, the holding company led by investor Warren Buffett, reported third-quarter operating income of $301 million, or $197 a share, before realized investment gains.

In the year-ago period, the company earned $156 million, or $103 a share, before investment gains.

Net income for the quarter ended Sept. 30 rose to $797 million, or $523 a share, from $420 million, or $276 a share, last year.