Group One Trading’s AtaiBeckley Inc ATAI Stock Holding History

Group One Trading’s Portfolio ATAI Stock Details ATAI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-321,279	Closed	-$1.21M	–	7611
2025 Q4	$1.31M	Sell	321,279 -279,228	-46%	-$1.32M	﹤0.01%	2657
2025 Q3	$3.18M	Buy	600,507 +562,754	+1,491%	+$2.29M	0.01%	1893
2025 Q2	$82.7K	Sell	37,753 -20,043	-35%	-$35.9K	﹤0.01%	5142
2025 Q1	$78.6K	Sell	57,796 -12,981	-18%	-$21.8K	﹤0.01%	4790
2024 Q4	$94.1K	Buy	70,777 +68,792	+3,466%	+$91.4K	﹤0.01%	4576
2024 Q3	$2.3K	Buy	+1,985	New	+$2.65K	﹤0.01%	6108
2023 Q1	–	Sell	-9,181	Closed	-$15.5K	–	7180
2022 Q4	$24.4K	Buy	+9,181	New	+$27.9K	﹤0.01%	5481
2022 Q3	–	Sell	-4,795	Closed	-$19.7K	–	7524
2022 Q2	$17K	Sell	4,795 -449,742	-99%	-$1.84M	﹤0.01%	6392
2022 Q1	$2.31M	Sell	454,537 -4,011	-0.9%	-$22.3K	﹤0.01%	2261
2021 Q4	$3.5M	Buy	+458,548	New	+$5.56M	﹤0.01%	2034

Other funds holding ATAI

DTC

Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Candriam SCA Strassen, Luxembourg, Luxembourg $19.3B AUM 39.18% 1-Year Est. Return

Qube Research & Technologies (QRT) London, United Kingdom $89.9B AUM 20.22% 1-Year Est. Return

Group One Trading's ATAI Position: Q1 2026 in Review

Group One Trading sold out of AtaiBeckley Inc (ATAI) in Q1 2026, closing a stake of 321,279 shares — an estimated $1.21M sold.

Group One Trading first reported a position in ATAI in Q4 2021 and held it in 10 quarters. The position peaked at $3.5M in Q4 2021. 183 funds tracked by Wall St. Rank hold ATAI as of Q1 2026.

Group One Trading reported no remaining AtaiBeckley Inc position as of Q1 2026 after selling out during the quarter.
Group One Trading sold 321,279 AtaiBeckley Inc shares in Q1 2026, an estimated $1.21M.
Group One Trading first reported a position in AtaiBeckley Inc in Q4 2021 and held it in 10 quarters.
Group One Trading's AtaiBeckley Inc position peaked at $3.5M in Q4 2021.
183 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.