ATAIBECKLEY INC

Historical 13F Holders

Symbol: ATAI
CUSIP: 04650F101
All holders as of: Q2 2026
Type: Equity
Class: COM SHS

Reported Value, Excluding Options

Total Shares Held, Excluding Options

Total Filers

13D/G Filers

Every filing for 04650F101 since 12/18/2024, newest first.

Filer	% of Class	Shares	Form	Filed
Apeiron Investment Group Ltd. 13D/A Amendment 5	0%	0	13D/A Amendment 5	9/14/2026 Event 9/11/2026
Apeiron Investment Group Ltd.	0%	0
Apeiron Presight Capital Fund II, L.P.	0%	0
Presight Capital Management I, L.L.C.	0%	0
Fabian Hansen	0%	0
Christian Angermayer	0%	0
Apeiron Investment Group Ltd. 13D/A Amendment 4	15.4%	56,812,134	13D/A Amendment 4	7/17/2026 Event 7/15/2026
Apeiron Investment Group Ltd.	15.1%	55,770,948
Apeiron Presight Capital Fund II, L.P.	0.5%	1,799,302
Presight Capital Management I, L.L.C.	0.5%	1,799,302
Fabian Hansen	0.5%	1,799,302
Christian Angermayer	15.4%	56,812,134

13F Holders by Quarter

Period	Filers	Shares, Excl. Options	Value, Excl. Options	Options Value
2026 Q3	3	2.14 k	$15.0k	$0
2026 Q2	241	136 M	$971M	$13.6M
2026 Q1	182	99.6 M	$353M	$4.94M
2025 Q4	20	7.15 M	$29.3M	$0