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Davidson Kempner Capital Management’s AtaiBeckley Inc ATAI Stock Holding History

Davidson Kempner Capital 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
Q2 		– Sell
-1,413,443
Closed -$1.92M – 205
2025
Q1 		$1.92M Buy
1,413,443
+464,070
+49% +$781K 0.03% 153
2024
Q4 		$1.26M Buy
+949,373
New +$1.26M 0.02% 149

Other funds holding ATAI

UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
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
PFCS
Pale Fire Capital SE Prague, Czech Republic $1.14B AUM 42.87% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
MCM
Moore Capital Management New York $4.92B AUM 35.41% 1-Year Est. Return
BU
Brown University Providence, Rhode Island $102M AUM 26.79% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Davidson Kempner Capital Management's ATAI Position: Q2 2025 in Review

Davidson Kempner Capital Management sold out of AtaiBeckley Inc (ATAI) in Q2 2025, closing a stake of 1,413,443 shares — an estimated $1.92M sold.

Davidson Kempner Capital Management first reported a position in ATAI in Q4 2024 and held it in 2 quarters. The position peaked at $1.92M in Q1 2025. 93 funds tracked by Wall St. Rank hold ATAI as of Q2 2025.

  • Davidson Kempner Capital Management reported no remaining AtaiBeckley Inc position as of Q2 2025 after selling out during the quarter.
  • Davidson Kempner Capital Management sold 1,413,443 AtaiBeckley Inc shares in Q2 2025, an estimated $1.92M.
  • Davidson Kempner Capital Management first reported a position in AtaiBeckley Inc in Q4 2024 and held it in 2 quarters.
  • Davidson Kempner Capital Management's AtaiBeckley Inc position peaked at $1.92M in Q1 2025.
  • 93 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q2 2025.

Based on Davidson Kempner Capital Management's 13F filing for Q2 2025, filed 14 Aug 2025.