Who Owns ATAI BECKLEY NV (ATAI)? -- Institutional Holders (2026-03-31)
118 institutions reported holding $4.0M of ATAI BECKLEY NV (ATAI) in SEC 13F filings for 2026-03-31. Largest institutional holders: Brown University ($2.5M), STABLEFORD CAPITAL II LLC ($1.0M), KLP KAPITALFORVALTNING AS ($247,092), WEALTH ENHANCEMENT ADVISORY SERVICES, LLC ($198,763), RHL GROUP, LLC ($255). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Brown University | $2.5M | 718,500 | Hold |
| 2 | STABLEFORD CAPITAL II LLC | $1.0M | 286,282 | Trimmed |
| 3 | KLP KAPITALFORVALTNING AS | $247,092 | 69,800 | Hold |
| 4 | WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $198,763 | 52,444 | Trimmed |
| 5 | RHL GROUP, LLC | $255 | 72 | Hold |
| 6 | Sankala Group LLC | $177 | 52 | Hold |
| 7 | Caprock Group, LLC | $0 | 0 | Exited |
| 8 | Point72 Asset Management, L.P. | $0 | 0 | Exited |
| 9 | Verity Asset Management, Inc. | $0 | 0 | Exited |
| 10 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
| 11 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 12 | Cambridge Investment Research Advisors, Inc. | $0 | 0 | Exited |
| 13 | Connor, Clark & Lunn Investment Management Ltd. | $0 | 0 | Exited |
| 14 | AdvisorShares Investments LLC | $0 | 0 | Exited |
| 15 | Swiss National Bank | $0 | 0 | Exited |
| 16 | Coastal Bridge Advisors, LLC | $0 | 0 | Exited |
| 17 | OSAIC HOLDINGS, INC. | $0 | 0 | Exited |
| 18 | NEUBERGER BERMAN GROUP LLC | $0 | 0 | Exited |
| 19 | SIMPLEX TRADING, LLC | $0 | 0 | Exited |
| 20 | D. E. Shaw & Co., Inc. | $0 | 0 | Exited |
| 21 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $0 | 0 | Exited |
| 22 | MAI Capital Management | $0 | 0 | Exited |
| 23 | Verdence Capital Advisors LLC | $0 | 0 | Exited |
| 24 | Creative Planning | $0 | 0 | Exited |
| 25 | BNP PARIBAS ASSET MANAGEMENT Holding S.A. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31