Twitter reported its first-ever profitable quarter Thursday after more than four years of trading on the public market. The company announced $91 million in profit for the fourth quarter of 2017. Profitability was the #goal, CEO Jack Dorsey told investors in February 2017, and Twitter nailed it. The stock was up by more than 14 percent in after-hours trading.

https://mashable.com/article/twitter-profitable-earnings-2017-first-time

it was profitable at least at some point