Key Takeaways Reddit's Q2 ARPU rose 47% year over year to $4.53, driven by stronger ad performance. Ad revenues grew 84% to $465M, aided by new formats, automation, and measurement tools. Active advertiser count jumped 50% year over year, boosting Reddit's monetization momentum. Reddit (RDDT) is seeing strong growth in average revenue per user (ARPU), which rose 47% year over year to $4.53 in the second quarter of 2025. This growth can be attributed to the platform’s ability to provide unique advertising op ...