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Which hedge funds own ATAI? ATAIBECKLEY INC, Q2 2026 13F holders

35 tracked hedge funds disclosed a position in ATAI (ATAIBECKLEY INC) in their Q2 2026 13F filings, worth $199.8m in total. The largest holder by portfolio weight is Axon Capital LP at 1.5% of its book. 9 opened a new position this quarter: EntryPoint Capital, LLC, Diametric Capital, LP, Eversept Partners, LP, Persistent Asset Partners Ltd. 7 exited: Catalyst Funds Management Pty Ltd, Qube Research & Technologies Ltd, Jain Global LLC.

35
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
9
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
7
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$3.0m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$15.6m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$200m
Combined value
Sum of the holders' reported positions in the security.
2.8%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

35 rows
Axon Capital LP Hedge fund1.5%$806k152,904−50%reduced
Eagle Health Investments LP Hedge fund1.5%$9.0m1.71m0.0%held
Deep Track Capital, LP Hedge fund1.1%$76.0m14.42m+20%added
Newtyn Management, LLC Hedge fund0.8%$6.3m1.19m−33%reduced
Verdad Advisers, LP Hedge fund0.5%$531k100,681−56%reduced
ADAR1 Capital Management, LLC Hedge fund0.2%$4.8m913,2420.0%held
Catalio Capital Management, LP Hedge fund0.2%$1.0m196,8580.0%held
MYDA Advisors LLC Hedge fund0.1%$580k110,000+120%added
Moore Capital Management, LP Hedge fund0.1%$5.0m952,3800.0%held
EntryPoint Capital, LLC Hedge fund0.1%$456k86,497–new
Audent Global Asset Management, LLC Hedge fund0.10%$88.7k16,8370.0%held
RTW Investments, LP Hedge fund0.09%$10.5m2.00m0.0%held
Diametric Capital, LP Hedge fund0.08%$784k148,702–new
Orbimed Advisors LLC Hedge fund0.08%$4.2m797,500+130%added
Candriam S.C.A. Hedge fund0.07%$16.0m3.04m−1.5%reduced
CenterBook Partners LP Hedge fund0.07%$1.4m256,623−64%reduced
Adage Capital Partners GP, L.L.C. Hedge fund0.04%$29.7m5.64m0.0%held
Burkehill Global Management, LP Hedge fund0.04%$975k185,0000.0%held
Eversept Partners, LP Hedge fund0.03%$540k102,430–new
Lighthouse Investment Partners, LLC Hedge fund0.02%$545k103,420+696%added
Woodline Partners LP Hedge fund0.01%$3.2m600,0000.0%held
Persistent Asset Partners Ltd Hedge fund0.01%$26.7k5,071–new
Landscape Capital Management, L.L.C. Hedge fund0.01%$114k21,628–new
Citadel Advisors LLC Hedge fund0.01%$11.1m2.11m+1134%added
Millennium Management LLC Hedge fund0.01%$9.3m1.77m−59%reduced
Prelude Capital Management, LLC Hedge fund0.0%$58.9k11,167–new
Ruane, Cunniff & Goldfarb (Sequoia Fund) Long-only investor0.0%$222k42,1120.0%held
Two Sigma Investments, LP Hedge fund0.0%$4.3m822,471−58%reduced
Tudor Investment Corp ET AL Hedge fund0.0%$432k81,911–new
Walleye Capital LLC Hedge fund0.0%$321k60,818–new
Squarepoint Ops LLC Hedge fund0.0%$330k62,672−87%reduced
Marshall Wace, LLP Hedge fund0.0%$580k110,019−95%reduced
Balyasny Asset Management L.P. Hedge fund0.0%$265k50,249–new
AQR Capital Management LLC Hedge fund0.0%$183k34,673+213%added
D. E. Shaw & Co., Inc. Hedge fund0.0%$77.3k14,669−47%reduced