Newtyn Management’s AtaiBeckley Inc ATAI Stock Holding History

Newtyn Management’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	$6.31M	Buy	+1,781,703	New	+$6.71M	0.67%	25
2023 Q2	–	Sell	-960,000	Closed	-$1.74M	–	50
2023 Q1	$1.74M	Buy	960,000 +360,000	+60%	+$610K	0.34%	50
2022 Q4	$1.6M	Buy	600,000 +130,000	+28%	+$395K	0.33%	41
2022 Q3	$1.56M	Hold	470,000	–	–	0.34%	44
2022 Q2	$1.71M	Buy	470,000 +219,864	+88%	+$899K	0.32%	47
2022 Q1	$1.27M	Buy	250,136 +5,000	+2%	+$27.8K	0.3%	35
2021 Q4	$1.87M	Hold	245,136	–	–	0.5%	32
2021 Q3	$3.63M	Sell	245,136 -10,000	-4%	-$163K	0.97%	28
2021 Q2	$3.61M	Buy	+255,136	New	+$4.71M	1%	24

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

Newtyn Management's ATAI Position: Q1 2026 in Review

Newtyn Management opened a new position in AtaiBeckley Inc (ATAI) in Q1 2026: 1,781,703 shares worth $6.31M. The stake represents 0.67% of the portfolio and ranks #25 among its holdings. This is a return to the name: Newtyn Management previously reported a position in ATAI as recently as Q1 2023.

Newtyn Management first reported a position in ATAI in Q2 2021 and has held it in 9 quarters since. 183 funds tracked by Wall St. Rank hold ATAI as of Q1 2026.

Newtyn Management held 1,781,703 shares of AtaiBeckley Inc worth $6.31M as of Q1 2026.
AtaiBeckley Inc was a new Newtyn Management position in Q1 2026.
AtaiBeckley Inc made up 0.67% of Newtyn Management's portfolio in Q1 2026, its #25 holding.
Newtyn Management first reported a position in AtaiBeckley Inc in Q2 2021 and has held it in 9 quarters since.
183 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q1 2026.

Based on Newtyn Management's 13F filing for Q1 2026, filed 15 May 2026.