MrBeast’s main YouTube channel sits at 515 million subscribers as of early September 2026, following the June milestone of 500 million. Daily gains have averaged roughly 100,000–250,000 recently, with occasional 1-million bursts tied to major video drops, though overall momentum has moderated from earlier explosive periods. Consistent Saturday uploads, large-scale challenges, and strong audience engagement continue to drive incremental growth, while broader YouTube dynamics show saturation effects at the highest subscriber levels. With only four weeks until the September 30 resolution, traders are closely watching upload cadence and any surprise viral moments that could accelerate or stall progress toward specific round-number targets.