X-Energy Inc. (NASDAQ:XE) made its public-market debut Friday after the Amazon-backed advanced nuclear company raised more than $1 billion in an upsized initial public offering.

XE stock is moving. See the chart and price action here. 

XE on Nasdaq

Shares opened at $30.11 at 12:46 p.m. ET on the Nasdaq, up $7.11 from the IPO price of $23, according to Benzinga Pro data. 

The company sold 44.25 million shares, above the 42.86 million shares initially planned, and priced the offering $4 above the top of its expected $16 to $19 range, raising about $1.02 billion. 

The debut adds another publicly traded name to the fast-growing advanced nuclear theme, which has drawn investor attention as electricity ...