Woodline Partners’s AtaiBeckley Inc ATAI Stock Holding History

Woodline Partners’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	$2.12M	Hold	600,000	–	–	0.01%	801
2025 Q4	$2.45M	Buy	+600,000	New	+$2.83M	0.01%	746
2025 Q3	–	Sell	-290,943	Closed	-$637K	–	886
2025 Q2	$637K	Buy	290,943 +8,758	+3%	+$15.7K	﹤0.01%	837
2025 Q1	$384K	Sell	282,185 -280,187	-50%	-$471K	﹤0.01%	839
2024 Q4	$748K	Buy	562,372 +27,325	+5%	+$36.3K	0.01%	796
2024 Q3	$621K	Buy	+535,047	New	+$713K	0.01%	528
2023 Q2	–	Sell	-436,776	Closed	-$791K	–	636
2023 Q1	$791K	Buy	436,776 +237,445	+119%	+$402K	0.01%	492
2022 Q4	$530K	Sell	199,331 -725,916	-78%	-$2.2M	0.01%	598
2022 Q3	$3.06M	Buy	925,247 +175,209	+23%	+$720K	0.04%	381
2022 Q2	$2.73M	Sell	750,038 -13,858	-2%	-$56.6K	0.04%	383
2022 Q1	$3.89M	Sell	763,896 -74,130	-9%	-$412K	0.06%	277
2021 Q4	$6.39M	Buy	838,026 +88,007	+12%	+$1.07M	0.09%	254
2021 Q3	$11.1M	Sell	750,019 -41,566	-5%	-$676K	0.18%	149
2021 Q2	$14.6M	Buy	+791,585	New	+$14.6M	0.27%	98

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

Woodline Partners's ATAI Position: Q1 2026 in Review

Woodline Partners held its AtaiBeckley Inc (ATAI) position steady in Q1 2026 at 600,000 shares worth $2.12M. The position accounts for 0.01% of the portfolio, ranked #801.

Woodline Partners first reported a position in ATAI in Q2 2021 and has held it in 14 quarters since. The position peaked at $14.6M in Q2 2021. 183 funds tracked by Wall St. Rank hold ATAI as of Q1 2026.

Woodline Partners held 600,000 shares of AtaiBeckley Inc worth $2.12M as of Q1 2026.
Woodline Partners left its AtaiBeckley Inc share count unchanged in Q1 2026.
AtaiBeckley Inc made up 0.01% of Woodline Partners's portfolio in Q1 2026, its #801 holding.
Woodline Partners first reported a position in AtaiBeckley Inc in Q2 2021 and has held it in 14 quarters since.
Woodline Partners's AtaiBeckley Inc position peaked at $14.6M in Q2 2021.
183 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q1 2026.

Based on Woodline Partners's 13F filing for Q1 2026, filed 15 May 2026.