Reddit (RDDT) reported Q2 earnings late Thursday of $0.45 per diluted share, compared with a loss of $0.06 a year earlier.
Analysts polled by FactSet expected $0.19.
Revenue for the quarter ended June 30 was $500 million, up from $281 million a year earlier.
Analysts surveyed by FactSet expected $425.7 million.
The company expects Q3 revenue to be between $535 million and $545 million.
Analysts polled by FactSet expected $473.3 million.
The shares were rising past 11% in after-hours activity.