In effect, the B shares represented a 30 to 1 stock split. In January, 2010, the B shares were then split again, this time 50 to 1 in conjunction with Berkshire’s acquisition of Burlington Northern Santa Fe Railroad. At that time, Berkshire’s A shares sold for $120,000 per share, and the B shares sold for $80 per share. You can buy a Class B share for 1/1500th the price of a Class A share. As I write this response, the Class B shares are selling for $205.28 per share, while the Class A shares are selling for $307,705 per share.The primary difference between the C Berkshire Hathaway, Inc. is engaged in the provision of property and casualty insurance and reinsurance, utilities and energy, freight rail transportation, finance, manufacturing, retailing, and