D.E. Shaw & Co
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D.E. Shaw & Co’s AtaiBeckley Inc ATAI Stock Holding History

D.E. Shaw & Co’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 		$97.1K Sell
27,419
-237,098
-90% -$893K ﹤0.01% 4287
2025
Q4 		$1.08M Sell
264,517
-447,928
-63% -$2.11M ﹤0.01% 3491
2025
Q3 		$3.77M Buy
712,445
+17,414
+3% +$70.7K ﹤0.01% 2467
2025
Q2 		$1.52M Sell
695,031
-298,330
-30% -$535K ﹤0.01% 2938
2025
Q1 		$1.35M Buy
993,361
+978,327
+6,507% +$1.65M ﹤0.01% 2880
2024
Q4 		$20K Buy
+15,034
New +$20K ﹤0.01% 4245
2024
Q1 		– Sell
-108,168
Closed -$153K – 4332
2023
Q4 		$153K Buy
+108,168
New +$134K ﹤0.01% 3923
2023
Q1 		– Sell
-17,090
Closed -$45.5K – 4418
2022
Q4 		$45.5K Sell
17,090
-88,273
-84% -$268K ﹤0.01% 4447
2022
Q3 		$349K Sell
105,363
-287,574
-73% -$1.18M ﹤0.01% 4234
2022
Q2 		$1.43M Buy
392,937
+172,696
+78% +$706K ﹤0.01% 3366
2022
Q1 		$1.12M Buy
220,241
+27,725
+14% +$154K ﹤0.01% 3818
2021
Q4 		$1.47M Buy
+192,516
New +$2.34M ﹤0.01% 3622

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

D.E. Shaw & Co's ATAI Position: Q1 2026 in Review

D.E. Shaw & Co reduced its AtaiBeckley Inc (ATAI) stake by 90% in Q1 2026, selling an estimated $893K and leaving 27,419 shares worth $97.1K. The position accounts for ﹤0.01% of the portfolio, ranked #4287.

D.E. Shaw & Co first reported a position in ATAI in Q4 2021 and has held it in 12 quarters since. The position peaked at $3.77M in Q3 2025. 183 funds tracked by Wall St. Rank hold ATAI as of Q1 2026.

  • D.E. Shaw & Co held 27,419 shares of AtaiBeckley Inc worth $97.1K as of Q1 2026.
  • D.E. Shaw & Co sold 237,098 AtaiBeckley Inc shares in Q1 2026, an estimated $893K.
  • AtaiBeckley Inc made up ﹤0.01% of D.E. Shaw & Co's portfolio in Q1 2026, its #4287 holding.
  • D.E. Shaw & Co first reported a position in AtaiBeckley Inc in Q4 2021 and has held it in 12 quarters since.
  • D.E. Shaw & Co's AtaiBeckley Inc position peaked at $3.77M in Q3 2025.
  • 183 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q1 2026.

Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.