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AtaiBeckley
ATAI
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Overview
Overview
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Options
News
News
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Posts
Financials
Financials
Forecast
Forecast
Valuation
Valuation
Shareholders
Shareholders
Profile
Profile
All Shareholders
Institutional Holders
Insiders
All Shareholders
Shareholder Type
Public and others
52.65%
Institutions
30.44%
VC/PE firms
14.59%
Individuals & Insiders
2.32%
Major Shareholders
Latest
Major Shareholders Latest
Shareholder
% Held
Shares Held
Change %
Shares Changed
Report Date
Apeiron Investment Group Limited
14.59%
53.97M
0.02%
+559.23K
07/15/2026
Deep Track Capital, LP
3.24%
12.00M
1.96%
+7.32M
03/31/2026
Vanguard Capital Management, LLC
3.18%
11.76M
--
+11.76M
03/31/2026
Galaxy Group Investments LLC
2.29%
8.47M
0.04%
+0
03/31/2025
UBS Asset Management AG
2.08%
7.69M
2.03%
+7.50M
03/31/2026
Cosmo Mellen
Former Independent Non-Executive Director
2.07%
7.66M
0.05%
-39.59K
01/02/2026
BlackRock, Inc.
1.85%
6.84M
1.07%
+4.02M
03/31/2026
Adage Capital Management, L.P.
1.53%
5.64M
0.42%
-1.44M
03/31/2026
Susquehanna International Group, LLP
1.43%
5.29M
1.26%
+4.68M
03/31/2026
Millennium Management LLC
1.18%
4.36M
1.18%
+4.36M
03/31/2026
ARK Investment Management LLC
0.89%
3.31M
0.02%
+0
12/31/2025
Morgan Stanley Investment Management Inc.
0.88%
3.26M
0.09%
+391.03K
03/31/2026
Candriam, Société En Commandite Par Actions
0.83%
3.09M
--
+3.09M
03/31/2026
Vanguard Portfolio Management, LLC
0.79%
2.92M
--
+2.92M
06/30/2026
Qube Research & Technologies Ltd
0.78%
2.89M
0.43%
+1.61M
03/31/2026
Foresite Capital Management, LLC
0.74%
2.75M
0.01%
+0
03/31/2026
Geode Capital Management, LLC
0.68%
2.51M
0.61%
+2.27M
03/31/2026
Marshall Wace LLP
0.64%
2.36M
0.10%
-310.67K
03/31/2026
RTW Investments, LP
0.54%
2.00M
<0.01%
+0
03/31/2026
Two Sigma Investments, LP
0.53%
1.98M
0.15%
+565.32K
03/31/2026