Tech stocks and cryptocurrencies have seen the fortunes of some of the world’s richest people take a hit over the past week.

Bloomberg reports that Tesla and SpaceX founder Elon Musk lost $25.1bn, Amazon’s Jeff Bezos saw a $20bn drop in his fortune, Changpeng Zhao of Binance lost $17.7bn, and Microsoft co founder Bill Gates has seen a $9.5 billion drop in his net worth since January 1, and biggest loss goes to Facebook’s own founder and CEO Mark Zuckerberg, whose net worth has also dropped by about $12 billion this year. per the Bloomberg index.

All five saw losses in their tech stock holdings. Last week, the benchmark tech-heavy Nasdaq Composite fell about 8% on the back of several concerns including rising interest rates and inflation. The Nasdaq is down about 13% this year.

Collectively the world’s five richest tech tycoons have lost about $85 billion of their wealth in the first few weeks of 2022, with their fortunes taking an especially big hit from last week’s market sell-off.

According to Bloomberg, the only one of the world’s wealthiest people who didn’t lose money last week was Bernard Arnault, the chairman and CEO of the French luxury giant LVMH. Even so, Arnault’s wealth is down $10.5 billion this year, with LVMH share prices down 5% amid a broader market rout.

Here’s how the world’s six wealthiest people were faring on the Bloomberg Billionaires Index as of Monday: