AI Firm Pryon Raises $100 Million Led by Billionaire Thomas Tull

Pryon Inc., an artificial intelligence startup that caters to large enterprises, said it has raised $100 million in new financing mostly backed by billionaire Thomas Tull.

About 80% of the Series B funding round comes from Tull through his multibillion-dollar US Innovative Technology Fund, Igor Jablokov, Pryon’s founder and chief executive officer, said in an interview. Other investors include Aperture Venture Capital, BootstrapLabs and Breyer Capital, Pryon said Tuesday in a statement viewed by Bloomberg News.

The round values the Raleigh, North Carolina-based company at more than $500 million, according to people familiar with the matter, ...