Ownership Summary
AtaiBeckley Inc. (NASDAQ:ATAI) is held by 118 institutional investors per 13F filings through December 2025.
- Their combined ownership stood at 22.7% of outstanding shares in December 2025, up from 20.6% in September 2025.
- They increased total shares held in AtaiBeckley by 80.39% from the prior quarter, while the number of investors in ATAI increased 31.11% year over year.
- Among the 118 funds, 69 bought more AtaiBeckley shares, 21 sold down, and 28 held their ground.
- In total, institutional investors held 49.32Mn shares in AtaiBeckley as of December 2025, up by 21.98Mn shares quarter on quarter, and up 31.32Mn shares year over year.
- Brown University is the top holder of AtaiBeckley as of December 31, 2025, with 718.5K shares representing 0.33% of outstanding stock.
- The biggest buyers of AtaiBeckley for the quarter ending December 2025 included WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (52.44K).
- The largest sales of ATAI for the quarter ending December 2025 came from STABLEFORD CAPITAL II LLC (5.28K).
- AtaiBeckley's 7 largest shareholders as of December 2025 include Brown University (718.5K), STABLEFORD CAPITAL II LLC (286.28K), KLP KAPITALFORVALTNING AS (69.8K), WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (52.44K), RHL GROUP, LLC (72), Sankala Group LLC (52), Global Frontier Investments LLC (0) per Business Quant data.