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Shay Capital’s AtaiBeckley Inc ATAI Stock Holding History

Shay Capital’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 		$581K Sell
164,142
-30,858
-16% -$116K 0.05% 249
2025
Q4 		$798K Buy
195,000
+127,000
+187% +$599K 0.08% 214
2025
Q3 		$360K Buy
+68,000
New +$276K 0.03% 289
2025
Q2 		– Sell
-175,448
Closed -$239K – 327
2025
Q1 		$239K Buy
+175,448
New +$295K 0.03% 223

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

Shay Capital's ATAI Position: Q1 2026 in Review

Shay Capital reduced its AtaiBeckley Inc (ATAI) stake by 16% in Q1 2026, selling an estimated $116K and leaving 164,142 shares worth $581K. The position accounts for 0.05% of the portfolio, ranked #249.

Shay Capital first reported a position in ATAI in Q1 2025 and has held it in 4 quarters since. The position peaked at $798K in Q4 2025. 183 funds tracked by Wall St. Rank hold ATAI as of Q1 2026.

  • Shay Capital held 164,142 shares of AtaiBeckley Inc worth $581K as of Q1 2026.
  • Shay Capital sold 30,858 AtaiBeckley Inc shares in Q1 2026, an estimated $116K.
  • AtaiBeckley Inc made up 0.05% of Shay Capital's portfolio in Q1 2026, its #249 holding.
  • Shay Capital first reported a position in AtaiBeckley Inc in Q1 2025 and has held it in 4 quarters since.
  • Shay Capital's AtaiBeckley Inc position peaked at $798K in Q4 2025.
  • 183 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q1 2026.

Based on Shay Capital's 13F filing for Q1 2026, filed 15 May 2026.