Y-Intercept (HK)’s AtaiBeckley Inc ATAI Stock Holding History

Y-Intercept (HK)’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
2025 Q4	–	Sell	-13,192	Closed	-$69.8K	–	1526
2025 Q3	$69.8K	Buy	+13,192	New	+$53.6K	﹤0.01%	1503

Other funds holding ATAI

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

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

DTC

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

AIM

ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return

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

FCMV

Foresite Capital Management VI Larkspur, California $460M AUM 261.77% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

ABG

Ally Bridge Group New York $124M AUM 249.88% 1-Year Est. Return

Y-Intercept (HK)'s ATAI Position: Q4 2025 in Review

Y-Intercept (HK) sold out of AtaiBeckley Inc (ATAI) in Q4 2025, closing a stake of 13,192 shares — an estimated $69.8K sold.

Y-Intercept (HK) first reported a position in ATAI in Q3 2025 and held it in 1 quarter. The position peaked at $69.8K in Q3 2025. 138 funds tracked by Wall St. Rank hold ATAI as of Q4 2025.

Y-Intercept (HK) reported no remaining AtaiBeckley Inc position as of Q4 2025 after selling out during the quarter.
Y-Intercept (HK) sold 13,192 AtaiBeckley Inc shares in Q4 2025, an estimated $69.8K.
Y-Intercept (HK) first reported a position in AtaiBeckley Inc in Q3 2025 and held it in 1 quarter.
Y-Intercept (HK)'s AtaiBeckley Inc position peaked at $69.8K in Q3 2025.
138 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q4 2025.

Based on Y-Intercept (HK)'s 13F filing for Q4 2025, filed 13 Feb 2026.