Highlights Buffett in elite list of Bloomberg Billionaires Index. Berkshire’s stock price has surged higher. New Delhi: Warren Buffett entered the elite group of USD 100 billion club on Wednesday, riding high on stock prices of his company Berkshire Hathaway Inc. Buffett’s net worth rose to $100.4 billion, according to the Bloomberg Billionaires Index. Berkshire’s stock price has surged higher in March, with its Class A shares surpassing $400,000 on Wednesday, a Reuters report added. Berkshire Hathaway owns shares in more than a dozen large corporations in diverse sectors of the US economy. As of March 11, the Bloomberg Billionaires Index had following 6 people in its USD 100 billion club. Here is a list of top 5 big billionaires in the USD 100 billion club.