Elon Musk S Net Worth. Not quite, but he’s certainly not far off, with forbes estimating elon’s brother’s net worth at us$700 million, thanks to his many lucrative business endeavours,. The vast majority of elon musk's net worth comes from his 13% equity stake in tesla, approximately 412 million shares.

At his peak, musk was worth $340 billion, according to the bloomberg billionaires index. Musk derives most of his $203 billion net worth, according to the bloomberg billionaires index, from his stakes in various companies.