Atai Beckley ATAI Institutional Ownership

Their combined ownership stood at 62.9% of outstanding shares in June 2026, up from 45.8% in March 2026.

• They increased total shares held in Atai Beckley by 46.24% from last quarter, and the number of investors in ATAI increased 160.22% annually.
• During the quarter, 171 of these 242 funds increased positions in ATAI, 25 reduced exposure, and 46 held steady.
• Institutional investors collectively held 136.9Mn shares in Atai Beckley as of June 2026, up by 43.28Mn shares quarter on quarter, and up 112.4Mn shares year over year.
• BlackRock, Inc. leads ownership in ATAI with 25.57Mn shares as of June 30, 2026, equal to 11.75% of outstanding shares.
• The biggest buyers of Atai Beckley for the quarter ending June 2026 included BlackRock, Inc. (18.74Mn), State Street Corp (7.14Mn), GEODE CAPITAL MANAGEMENT, LLC (4.42Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (4.11Mn), Deep Track Capital, LP (2.42Mn).
• The largest sales of ATAI for the quarter ending June 2026 came from SUSQUEHANNA INTERNATIONAL GROUP, LLP (4.8Mn), UBS Group AG (3.0Mn), MILLENNIUM MANAGEMENT LLC (2.59Mn), MARSHALL WACE, LLP (2.25Mn), TWO SIGMA INVESTMENTS, LP (1.15Mn).
• Business Quant data shows the 10 biggest positions in Atai Beckley as of June 2026 are held by BlackRock, Inc. (25.57Mn), Deep Track Capital, LP (14.42Mn), VANGUARD CAPITAL MANAGEMENT LLC (11.75Mn), State Street Corp (8.29Mn), GEODE CAPITAL MANAGEMENT, LLC (6.93Mn), ADAGE CAPITAL PARTNERS GP, L.L.C. (5.64Mn), UBS Group AG (4.42Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (4.11Mn), Morgan Stanley (3.84Mn), Candriam S.C.A. (3.04Mn).