Luxury magnate Bernard Arnault has gotten almost $1 billion a day richer so far in 2025.Tefano Rellandini/Getty ImagesBernard Arnault has gained more wealth in 2025 than anyone else, including Elon Musk and Mark Zuckerberg. The LVMH CEO is now the world's fourth richest person after gaining $15 billion on Thursday.LVMH stock jumped 9% after a rival luxury goods company reported strong earnings.A fashion mogul has gained more wealth this year than Elon Musk, Mark Zuckerberg, or anyone else on the global rich list.Bernard Arnault, the founder and CEO of LVMH Moët Hennessy Louis Vuitton, has become about $14 billion richer already in 2025, according to the Bloomberg Billionaires Index.He leapfrogged Oracle cofounder Larry Ellison on Thursday to take fourth place on Bloomberg's rich list with an estimated $190 billion fortune, adding $15 billion to his net worth in just one day.The luxury tycoon has gained more wealth this year than Binance founder Changpeng Zhao, who was up nearly $12 billion at Thursday's market close, and the "Donald of Dubai" Hussain Sajwani, up around $10 billion.Zuckerberg and Musk are the next-biggest gainers.