Facebook CEO Mark Zuckerberg is $1.6B richer

Jessica Guynn
Getty Images

You know what's cool? Being richer than Larry Page.

Facebook's record close on Thursday added $1.6 billion to CEO Mark Zuckerberg's bottom line.

More from USA Today:
Fox's Europe deal means cash for Time Warner bid
Activists are shaking up these companies
Pinterest lags on diversity, but has more women

His net worth ballooned to $33.3 billion, leapfrogging Google founders Sergey Brin and Page and Amazon.com CEO Jeff Bezos on the Bloomberg Billionaires Index.

Buy Facebook, not Amazon: Pro
Buy Facebook, not Amazon: Pro

Fueled by mobile advertising sales, Facebook topped analyst estimates for second-quarter revenue on Wednesday, sending its shares soaring. Facebook closed up 5% to $74.98 in regular trading on Thursday. The stock has gained 183% in the past 12 months.

Read MoreFacebook shares ride to highs on earnings boost

Zuckerberg is now ranked No. 16 in the billionaires index while the Google founders are ranked 17th and 18th. Bezos is No. 20. Microsoft chairman Bill Gates remains the world's richest person with an $84.7 billion fortune.

— By Jessica Guynn, USA Today