AtaiBeckley Inc. (ATAI) Institutional Ownership

Ownership Summary

AtaiBeckley Inc. (NASDAQ:ATAI) has 118 institutional investors with active 13F positions as of December 2025.

• Collectively, these holders controlled 22.7% of AtaiBeckley's outstanding shares in December 2025, up from 20.6% in September 2025.
• Their total shares held in ATAI increased 80.39% from the prior quarter, while the number of investors in AtaiBeckley increased 31.11% year over year.
• Of these 118 holders, 69 added to their stakes in AtaiBeckley, 21 trimmed positions, and 28 made no changes.
• The aggregate institutional position in AtaiBeckley amounted to 49.32Mn shares as of December 2025, up by 21.98Mn shares quarter on quarter, and up 31.32Mn shares year over year.
• OP Asset Management Ltd is the top holder of AtaiBeckley as of December 31, 2025, with 847.35K shares representing 0.39% of outstanding stock.
• The largest buyers of AtaiBeckley for the quarter ending December 2025 were OP Asset Management Ltd (847.35K), WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (52.44K), Trueblood Wealth Management, LLC (50.0K), Bright Futures Wealth Management, LLC. (25.0K), Wedmont Private Capital (25.0K).
• Leading sellers of AtaiBeckley shares for the quarter ending December 2025 were STABLEFORD CAPITAL II LLC (5.28K).
• Per Business Quant data, the top 10 holders of AtaiBeckley for the quarter ending December 2025 are OP Asset Management Ltd (847.35K), STABLEFORD CAPITAL II LLC (286.28K), WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (52.44K), Trueblood Wealth Management, LLC (50.0K), North Star Investment Management Corp. (28.28K), Bright Futures Wealth Management, LLC. (25.0K), Wedmont Private Capital (25.0K), Pictet Asset Management Holding SA (22.25K), Regent Peak Wealth Advisors LLC (20.0K), Janney Montgomery Scott LLC (19.6K).