Two Sigma Investments
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Two Sigma Investments’s AtaiBeckley Inc ATAI Stock Holding History

Two Sigma Investments’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 		$6.99M Buy
1,975,552
+565,323
+40% +$2.13M 0.01% 1696
2025
Q4 		$5.77M Buy
1,410,229
+1,046,403
+288% +$4.94M 0.01% 1585
2025
Q3 		$1.92M Sell
363,826
-146,235
-29% -$594K ﹤0.01% 2156
2025
Q2 		$1.12M Buy
510,061
+138,096
+37% +$248K ﹤0.01% 2179
2025
Q1 		$506K Sell
371,965
-18,912
-5% -$31.8K ﹤0.01% 2517
2024
Q4 		$520K Sell
390,877
-16,306
-4% -$21.7K ﹤0.01% 2522
2024
Q3 		$472K Sell
407,183
-309,948
-43% -$413K ﹤0.01% 2503
2024
Q2 		$954K Buy
717,131
+316,146
+79% +$570K ﹤0.01% 2009
2024
Q1 		$790K Sell
400,985
-14,758
-4% -$27.2K ﹤0.01% 2097
2023
Q4 		$586K Buy
415,743
+130,314
+46% +$162K ﹤0.01% 2374
2023
Q3 		$368K Sell
285,429
-96,413
-25% -$165K ﹤0.01% 2410
2023
Q2 		$657K Sell
381,842
-470,872
-55% -$867K ﹤0.01% 2194
2023
Q1 		$1.54M Sell
852,714
-121,878
-13% -$206K ﹤0.01% 1587
2022
Q4 		$2.59M Buy
974,592
+221,961
+29% +$674K 0.01% 1176
2022
Q3 		$2.49M Buy
752,631
+20,487
+3% +$84.2K 0.01% 1049
2022
Q2 		$2.67M Buy
732,144
+221,870
+43% +$907K 0.01% 1033
2022
Q1 		$2.6M Buy
510,274
+96,000
+23% +$534K 0.01% 1220
2021
Q4 		$3.16M Buy
+414,274
New +$5.03M 0.01% 1534

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

Two Sigma Investments's ATAI Position: Q1 2026 in Review

Two Sigma Investments increased its AtaiBeckley Inc (ATAI) stake by 40% in Q1 2026, buying an estimated $2.13M and bringing the position to 1,975,552 shares worth $6.99M. The position accounts for 0.01% of the portfolio, ranked #1696.

Two Sigma Investments first reported a position in ATAI in Q4 2021 and has held it in 18 quarters since. 183 funds tracked by Wall St. Rank hold ATAI as of Q1 2026.

  • Two Sigma Investments held 1,975,552 shares of AtaiBeckley Inc worth $6.99M as of Q1 2026.
  • Two Sigma Investments bought 565,323 AtaiBeckley Inc shares in Q1 2026, an estimated $2.13M.
  • AtaiBeckley Inc made up 0.01% of Two Sigma Investments's portfolio in Q1 2026, its #1696 holding.
  • Two Sigma Investments first reported a position in AtaiBeckley Inc in Q4 2021 and has held it in 18 quarters since.
  • 183 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.