XTX Topco’s AtaiBeckley Inc ATAI Stock Holding History

XTX Topco’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	$47.2K	Sell	13,325 -117,175	-90%	-$441K	﹤0.01%	3336
2025 Q4	$534K	Buy	+130,500	New	+$616K	0.01%	1531
2025 Q1	–	Sell	-140,544	Closed	-$187K	–	2396
2024 Q4	$187K	Buy	+140,544	New	+$187K	0.02%	1583
2024 Q2	–	Sell	-184,612	Closed	-$364K	–	1852
2024 Q1	$364K	Buy	184,612 +83,125	+82%	+$153K	0.05%	689
2023 Q4	$143K	Sell	101,487 -75,453	-43%	-$93.8K	0.03%	1054
2023 Q3	$228K	Sell	176,940 -49,821	-22%	-$85.3K	0.04%	936
2023 Q2	$390K	Sell	226,761 -111,993	-33%	-$206K	0.07%	535
2023 Q1	$613K	Buy	338,754 +239,522	+241%	+$406K	0.13%	195
2022 Q4	$264K	Buy	+99,232	New	+$301K	0.06%	678
2022 Q1	–	Sell	-17,782	Closed	-$136K	–	669
2021 Q4	$136K	Buy	+17,782	New	+$216K	0.08%	418

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

XTX Topco's ATAI Position: Q1 2026 in Review

XTX Topco reduced its AtaiBeckley Inc (ATAI) stake by 90% in Q1 2026, selling an estimated $441K and leaving 13,325 shares worth $47.2K. The position accounts for ﹤0.01% of the portfolio, ranked #3336.

XTX Topco first reported a position in ATAI in Q4 2021 and has held it in 10 quarters since. The position peaked at $613K in Q1 2023. 183 funds tracked by Wall St. Rank hold ATAI as of Q1 2026.

XTX Topco held 13,325 shares of AtaiBeckley Inc worth $47.2K as of Q1 2026.
XTX Topco sold 117,175 AtaiBeckley Inc shares in Q1 2026, an estimated $441K.
AtaiBeckley Inc made up ﹤0.01% of XTX Topco's portfolio in Q1 2026, its #3336 holding.
XTX Topco first reported a position in AtaiBeckley Inc in Q4 2021 and has held it in 10 quarters since.
XTX Topco's AtaiBeckley Inc position peaked at $613K in Q1 2023.
183 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.