Interface design software company Figma made a stellar debut on the public markets on Thursday, with its stock soaring more than 3x its IPO price of $33 to close at $115.50 per share.

Shares of software company Figma soared in their stock-market debut Thursday, rising 250% in one of the splashiest initial public offerings in years. The stock opened at $85 a share, more than twice its IPO price and the best first-day showing in recent memory for a major offering.

Traders expressed confusion and frustration on Thursday as demand for Figma shares appeared to far exceed supply. Figma’s initial public offering this week was a boon for investors. Well, some investors.