Winton Group’s AtaiBeckley Inc ATAI Stock Holding History

Winton Group’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 Q2	$372K	Buy	70,600 +6,200	+10%	+$26.1K	0.01%	805
2026 Q1	$228K	Buy	+64,400	New	+$242K	0.01%	945

Other funds holding ATAI

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

DTC

Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Candriam SCA Strassen, Luxembourg, Luxembourg $22.2B AUM 58.34% 1-Year Est. Return

Winton Group's ATAI Position: Q2 2026 in Review

Winton Group increased its AtaiBeckley Inc (ATAI) stake by 9.6% in Q2 2026, buying an estimated $26.1K and bringing the position to 70,600 shares worth $372K. The position accounts for 0.01% of the portfolio, ranked #805.

Winton Group first reported a position in ATAI in Q1 2026 and has held it in 2 quarters since. 242 funds tracked by Wall St. Rank hold ATAI as of Q2 2026.

Winton Group held 70,600 shares of AtaiBeckley Inc worth $372K as of Q2 2026.
Winton Group bought 6,200 AtaiBeckley Inc shares in Q2 2026, an estimated $26.1K.
AtaiBeckley Inc made up 0.01% of Winton Group's portfolio in Q2 2026, its #805 holding.
Winton Group first reported a position in AtaiBeckley Inc in Q1 2026 and has held it in 2 quarters since.
242 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.