Citigroup
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Citigroup’s AtaiBeckley Inc ATAI Stock Holding History

Citigroup’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 		$174K Buy
49,052
+37,981
+343% +$143K ﹤0.01% 4063
2025
Q4 		$45.3K Sell
11,071
-53,106
-83% -$251K ﹤0.01% 4601
2025
Q3 		$339K Buy
64,177
+59,414
+1,247% +$241K ﹤0.01% 3757
2025
Q2 		$10.4K Sell
4,763
-128,782
-96% -$231K ﹤0.01% 5181
2025
Q1 		$182K Buy
133,545
+130,711
+4,612% +$220K ﹤0.01% 4257
2024
Q4 		$3.77K Sell
2,834
-145
-5% -$193 ﹤0.01% 5497
2024
Q3 		$3.46K Sell
2,979
-567
-16% -$756 ﹤0.01% 5375
2024
Q2 		$4.72K Buy
3,546
+2,704
+321% +$4.87K ﹤0.01% 5264
2024
Q1 		$1.66K Sell
842
-2,391
-74% -$4.4K ﹤0.01% 5401
2023
Q4 		$4.56K Buy
3,233
+945
+41% +$1.18K ﹤0.01% 5346
2023
Q3 		$2.95K Sell
2,288
-8,295
-78% -$14.2K ﹤0.01% 4861
2023
Q2 		$18.2K Buy
10,583
+5,569
+111% +$10.3K ﹤0.01% 4980
2023
Q1 		$9.07K Sell
5,014
-242
-5% -$410 ﹤0.01% 4771
2022
Q4 		$14K Sell
5,256
-32,666
-86% -$99.2K ﹤0.01% 4724
2022
Q3 		$126K Sell
37,922
-749
-2% -$3.08K ﹤0.01% 3988
2022
Q2 		$141K Sell
38,671
-1,704
-4% -$6.96K ﹤0.01% 4036
2022
Q1 		$206K Sell
40,375
-57,270
-59% -$318K ﹤0.01% 4061
2021
Q4 		$745K Buy
97,645
+39,766
+69% +$483K ﹤0.01% 3519
2021
Q3 		$856K Buy
+57,879
New +$941K ﹤0.01% 3205

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

Citigroup's ATAI Position: Q1 2026 in Review

Citigroup increased its AtaiBeckley Inc (ATAI) stake by 343% in Q1 2026, buying an estimated $143K and bringing the position to 49,052 shares worth $174K. The position accounts for ﹤0.01% of the portfolio, ranked #4063.

Citigroup first reported a position in ATAI in Q3 2021 and has held it in 19 quarters since. The position peaked at $856K in Q3 2021. 183 funds tracked by Wall St. Rank hold ATAI as of Q1 2026.

  • Citigroup held 49,052 shares of AtaiBeckley Inc worth $174K as of Q1 2026.
  • Citigroup bought 37,981 AtaiBeckley Inc shares in Q1 2026, an estimated $143K.
  • AtaiBeckley Inc made up ﹤0.01% of Citigroup's portfolio in Q1 2026, its #4063 holding.
  • Citigroup first reported a position in AtaiBeckley Inc in Q3 2021 and has held it in 19 quarters since.
  • Citigroup's AtaiBeckley Inc position peaked at $856K in Q3 2021.
  • 183 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.