Tesla Inc.’s latest rally has driven its co-founder Elon Musk’s fortune to a new level that has surpassed the famed investment guru Warren Buffett’s fortune by a ratio of three.

Musk’s net worth increased up $24 billion from $335.1 billion on Monday, as Tesla’s shares rose 8.5 percent on the day in New York. The increase in his wealth has widened the gap between him and Amazon.com Inc.’s Jeff Bezos as the world’s richest person to $143 billion in accordance with the Bloomberg Billionaires Index. Buffett Chairman of Berkshire Hathaway Inc., is 10th in the rankings with an estimated total net value in the range of $104.1 billion.

Musk has added over 60 billion dollars to his fortune this year, thanks to the high growth in Tesla stock and an earlier share sale at SpaceX that estimated SpaceX’s company to be worth around $100 billion. The SpaceX deal brought $11 billion into Musk’s fortune.

Musk has stated that Musk has previously stated that he prefers to keep his identity private when he is giving money away and in early this year sought Twitter users “critical feedback” on ways Musk could contribute.

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The year before, Musk also pledged to give away $150 millionwhich includes an 100 million cash winning prize in a carbon-removal contest — a number that Recode believes is higher than his previous charitable donations.