William Blair analyst Jason Ader believes shares of Red Hat will be in a "holding pattern for a while" after the company disappointed investors with weak billings growth in Q1. The stock was priced for perfection ahead of the earnings call, and now there is some uncertainty on the duration of the app development transition, Ader tells investors in a post-earnings research note. However, he continues to recommend the shares with an Outperform rating. The analyst still has confidence in Red Hat's "expanding market opportunity and unique positioning as a 100% open source, hybrid cloud leader."