Hudson Bay Capital Management
ATAI icon

Hudson Bay Capital Management’s AtaiBeckley Inc ATAI Stock Holding History

Hudson Bay 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
2026
Q1 		$667K Buy
+188,485
New +$710K ﹤0.01% 943
2025
Q4 		– Sell
-19,700
Closed -$104K – 1195
2025
Q3 		$104K Buy
+19,700
New +$80K ﹤0.01% 1065

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VCM
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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

Hudson Bay Capital Management's ATAI Position: Q1 2026 in Review

Hudson Bay Capital Management opened a new position in AtaiBeckley Inc (ATAI) in Q1 2026: 188,485 shares worth $667K. The stake represents ﹤0.01% of the portfolio and ranks #943 among its holdings. This is a return to the name: Hudson Bay Capital Management previously reported a position in ATAI as recently as Q3 2025.

Hudson Bay Capital Management first reported a position in ATAI in Q3 2025 and has held it in 2 quarters since. 183 funds tracked by Wall St. Rank hold ATAI as of Q1 2026.

  • Hudson Bay Capital Management held 188,485 shares of AtaiBeckley Inc worth $667K as of Q1 2026.
  • AtaiBeckley Inc was a new Hudson Bay Capital Management position in Q1 2026.
  • AtaiBeckley Inc made up ﹤0.01% of Hudson Bay Capital Management's portfolio in Q1 2026, its #943 holding.
  • Hudson Bay Capital Management first reported a position in AtaiBeckley Inc in Q3 2025 and has held it in 2 quarters since.
  • 183 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q1 2026.

Based on Hudson Bay Capital Management's 13F filing for Q1 2026, filed 13 May 2026.