Who Owns ATAIBECKLEY INC (ATAI)? -- Institutional Holders (2026-06-30)
264 institutions reported holding $739.9M of ATAIBECKLEY INC (ATAI) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($134.8M), VANGUARD GROUP INC ($93.5M), Deep Track Capital, LP ($76.0M), STATE STREET CORP ($43.7M), GEODE CAPITAL MANAGEMENT, LLC ($36.5M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $134.8M | 25.6M | Added |
| 2 | VANGUARD GROUP INC | $93.5M | 17.7M | Added |
| 3 | Deep Track Capital, LP | $76.0M | 14.4M | Added |
| 4 | STATE STREET CORP | $43.7M | 8.3M | Added |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $36.5M | 6.9M | Added |
| 6 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $29.7M | 5.6M | Hold |
| 7 | UBS Group AG | $23.3M | 4.4M | Trimmed |
| 8 | MORGAN STANLEY | $20.3M | 3.8M | Trimmed |
| 9 | Candriam S.C.A. | $16.0M | 3.0M | Trimmed |
| 10 | Foresite Capital Management VI LLC | $14.5M | 2.8M | Hold |
| 11 | NORTHERN TRUST CORP | $13.6M | 2.6M | Added |
| 12 | CITADEL ADVISORS LLC | $13.3M | 2.5M | Added |
| 13 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $12.1M | 2.3M | Trimmed |
| 14 | RTW INVESTMENTS, LP | $10.5M | 2.0M | Hold |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $10.4M | 2.0M | Added |
| 16 | Sixth Street Partners Management Company, L.P. | $10.4M | 2.0M | New |
| 17 | MILLENNIUM MANAGEMENT LLC | $9.3M | 1.8M | Trimmed |
| 18 | Eagle Health Investments LP | $9.0M | 1.7M | Hold |
| 19 | Halter Ferguson Financial Inc. | $7.8M | 1.5M | New |
| 20 | FIRST TRUST ADVISORS LP | $7.2M | 1.4M | New |
| 21 | PRICE T ROWE ASSOCIATES INC /MD/ | $7.1M | 1.4M | New |
| 22 | Nuveen, LLC | $6.8M | 1.3M | Added |
| 23 | Newtyn Management, LLC | $6.3M | 1.2M | Trimmed |
| 24 | GOLDMAN SACHS GROUP INC | $5.4M | 1.0M | Added |
| 25 | MOORE CAPITAL MANAGEMENT, LP | $5.0M | 952,380 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30