The AI-focused Palantir joins a group of less than 50 public American companies worth at least $200 billion, quite the turn of events for the government contractor worth less than $20 billion two years ago.

The company’s stock was up by 23% during pre-market trading after it delivered better-than-expected fourth quarter results. At the market open, Palantir stock was up by 22%.

Palantir Technologies reported strong revenue growth last quarter as the company that made its name providing software to the U.S. government said demand for its artificial intelligence products continues to expand.