ATAI is trading approximately 10% up at $5.04, extending a sharp multi-day rally. - The stock continues to benefit from the announcement on June 25, 2026, that AtaiBeckley will be added to the Russell 2000 and Russell 3000 Indexes, effective June 29, 2026. - This inclusion is expected to broaden ATAI's exposure to institutional investors and index-tracking funds, driving significant investor interest.