Simplex Trading
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Simplex Trading’s AtaiBeckley Inc ATAI Stock Holding History

Simplex Trading’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 		$137K Sell
38,800
-86,400
-69% -$325K ﹤0.01% 4726
2025
Q4 		$512K Sell
125,200
-16,200
-11% -$76.4K ﹤0.01% 3283
2025
Q3 		$748K Buy
141,400
+67,600
+92% +$275K ﹤0.01% 3349
2025
Q2 		$161K Buy
73,800
+46,500
+170% +$83.4K ﹤0.01% 4736
2025
Q1 		$37K Buy
27,300
+26,100
+2,175% +$43.9K ﹤0.01% 6063
2024
Q4 		$1K Hold
1,200
– – ﹤0.01% 8138
2024
Q3 		$1K Sell
1,200
-600
-33% -$800 ﹤0.01% 8127
2024
Q2 		$2K Buy
+1,800
New +$3.24K ﹤0.01% 8213
2024
Q1 		– Sell
-800
Closed -$1K – 8811
2023
Q4 		$1K Buy
+800
New +$995 ﹤0.01% 8428
2023
Q3 		– Sell
-5,900
Closed -$10K – 8621
2023
Q2 		$10K Sell
5,900
-4,500
-43% -$8.29K ﹤0.01% 7367
2023
Q1 		$18K Sell
10,400
-13,100
-56% -$22.2K ﹤0.01% 6994
2022
Q4 		$62K Sell
23,500
-29,300
-55% -$89K ﹤0.01% 5602
2022
Q3 		$174K Buy
52,800
+44,700
+552% +$184K ﹤0.01% 4784
2022
Q2 		$29K Sell
8,100
-234,100
-97% -$957K ﹤0.01% 7182
2022
Q1 		$1.23M Buy
242,200
+110,400
+84% +$614K ﹤0.01% 2651
2021
Q4 		$1M Buy
+131,800
New +$1.6M ﹤0.01% 2846

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

Simplex Trading's ATAI Position: Q1 2026 in Review

Simplex Trading sold out of AtaiBeckley Inc (ATAI) in Q1 2026, closing a stake of 53,065 shares — an estimated $200K sold.

Simplex Trading first reported a position in ATAI in Q4 2021 and held it in 10 quarters. The position peaked at $787K in Q4 2021. 183 funds tracked by Wall St. Rank hold ATAI as of Q1 2026.

  • Simplex Trading reported no remaining AtaiBeckley Inc position as of Q1 2026 after selling out during the quarter.
  • Simplex Trading sold 53,065 AtaiBeckley Inc shares in Q1 2026, an estimated $200K.
  • Simplex Trading first reported a position in AtaiBeckley Inc in Q4 2021 and held it in 10 quarters.
  • Simplex Trading's AtaiBeckley Inc position peaked at $787K in Q4 2021.
  • 183 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.