Which hedge funds own ATAI? ATAIBECKLEY INC, Q2 2026 13F holders
8 of the hedge funds tracked by WhaleCreep disclosed a position in ATAI (ATAIBECKLEY INC) in their Q2 2026 13F filings, worth $29.8m in total. The largest holder by portfolio weight is Moore Capital Management at 0.1% of its book. 1 manager opened a new position this quarter: Tudor Investment. 2 exited: Brevan Howard Capital Management, Point72 Asset Management LP.
8tracked managers holding
1opened this quarter
2exited this quarter
Which hedge funds hold ATAI? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Moore Capital Management | Q2 2026 | 0.1% | $5.0m | 952,380 | 0% | held |
| Woodline Partners | Q2 2026 | 0.0% | $3.2m | 600,000 | 0% | held |
| Citadel Advisors | Q2 2026 | 0.0% | $11.1m | 2,114,908 | 1134% | added |
| Millennium Management | Q2 2026 | 0.0% | $9.3m | 1,770,526 | -59% | reduced |
| Tudor Investment | Q2 2026 | 0.0% | $431.7k | 81,911 | – | new |
| Marshall Wace | Q2 2026 | 0.0% | $579.8k | 110,019 | -95% | reduced |
| Ancora Advisors | Q2 2026 | 0.0% | $6.8k | 1,293 | 13% | added |
| D. E. Shaw & Co | Q2 2026 | 0.0% | $77.3k | 14,669 | -47% | reduced |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Brevan Howard Capital Management | 0.1% | $838.8k |
| Point72 Asset Management LP | 0.1% | $2.4m |
How has hedge fund ownership of ATAI changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 8 | $29.8m |
| Q1 2026 | 9 | $33.2m |
Counts every tracked manager that disclosed ATAI in that quarter's filing, including managers that have since stopped filing.