Jane Street
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Jane Street’s AtaiBeckley Inc ATAI Stock Holding History

Jane Street’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 		$339K Buy
95,800
+61,800
+182% +$233K ﹤0.01% 8958
2025
Q4 		$139K Sell
34,000
-121,500
-78% -$573K ﹤0.01% 9986
2025
Q3 		$823K Buy
+155,500
New +$631K ﹤0.01% 6743

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
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
CS
Candriam SCA Strassen, Luxembourg, Luxembourg $19.3B AUM 39.18% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $89.9B AUM 20.22% 1-Year Est. Return

Jane Street's ATAI Position: Q1 2026 in Review

Jane Street sold out of AtaiBeckley Inc (ATAI) in Q1 2026, closing a stake of 759,996 shares — an estimated $2.86M sold.

Jane Street first reported a position in ATAI in Q4 2021 and held it in 14 quarters. The position peaked at $3.16M in Q3 2025. 183 funds tracked by Wall St. Rank hold ATAI as of Q1 2026.

  • Jane Street reported no remaining AtaiBeckley Inc position as of Q1 2026 after selling out during the quarter.
  • Jane Street sold 759,996 AtaiBeckley Inc shares in Q1 2026, an estimated $2.86M.
  • Jane Street first reported a position in AtaiBeckley Inc in Q4 2021 and held it in 14 quarters.
  • Jane Street's AtaiBeckley Inc position peaked at $3.16M in Q3 2025.
  • 183 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.