What: Shares of Hortonworks (NASDAQ:HDP) popped this morning, up by 8% as of 12:09 p.m. ET, after the company reported better-than-expected earnings in the fourth quarter.

So what: Revenue in the quarter added up to $37.4 million, nearly tripling year over year. Gross billing also grew to $52.1 million. Non-GAAP net loss was $32.7 million, or $0.72 per share. Those top- and bottom-line results bested analyst expectations, which called for $36.1 million in revenue and a larger adjusted net loss of $0.80 per share.

Now what: CEO Rob Bearden noted that the company doubled its customer base in 2015, and now has over 800 customers. Guidance for the first quarter calls for revenue of around $39.5 million and gross billings of $49.5 million. Full-year 2016 sales should be $188 million with gross billings of $261 million. Adjusted EBITDA for the year is expected to be negative $55 million.