If a person invested $100 in Berkshire Hathaway in 1965, its value would have grown to $4.38 million today, according to Moneycontrol. Warren Buffett took control of Berkshire when its shares were valued at $19 each. Its class A shares are worth $702,320 each today. Berkshire became first non-tech US company to hit $1 trillion in market capitalisation this week.