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Fred Alger Management’s AtaiBeckley Inc ATAI Stock Holding History

Fred Alger 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
2025
Q4 		– Sell
-488,855
Closed -$2.59M – 467
2025
Q3 		$2.59M Buy
+488,855
New +$1.99M 0.01% 306

Other funds holding ATAI

Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
Morgan Stanley
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
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
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Ameriprise
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

Fred Alger Management's ATAI Position: Q4 2025 in Review

Fred Alger Management sold out of AtaiBeckley Inc (ATAI) in Q4 2025, closing a stake of 488,855 shares — an estimated $2.59M sold.

Fred Alger Management first reported a position in ATAI in Q3 2025 and held it in 1 quarter. The position peaked at $2.59M in Q3 2025. 138 funds tracked by Wall St. Rank hold ATAI as of Q4 2025.

  • Fred Alger Management reported no remaining AtaiBeckley Inc position as of Q4 2025 after selling out during the quarter.
  • Fred Alger Management sold 488,855 AtaiBeckley Inc shares in Q4 2025, an estimated $2.59M.
  • Fred Alger Management first reported a position in AtaiBeckley Inc in Q3 2025 and held it in 1 quarter.
  • Fred Alger Management's AtaiBeckley Inc position peaked at $2.59M in Q3 2025.
  • 138 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q4 2025.

Based on Fred Alger Management's 13F filing for Q4 2025, filed 17 Feb 2026.