Sumitomo Mitsui Trust Group
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Sumitomo Mitsui Trust Group’s AtaiBeckley Inc ATAI Stock Holding History

Sumitomo Mitsui Trust Group’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 		$2.01M Buy
+567,576
New +$2.14M ﹤0.01% 788
2025
Q4 		– Sell
-202,781
Closed -$1.07M – 1052
2025
Q3 		$1.07M Buy
+202,781
New +$823K ﹤0.01% 859

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

Sumitomo Mitsui Trust Group's ATAI Position: Q1 2026 in Review

Sumitomo Mitsui Trust Group opened a new position in AtaiBeckley Inc (ATAI) in Q1 2026: 567,576 shares worth $2.01M. The stake represents ﹤0.01% of the portfolio and ranks #788 among its holdings. This is a return to the name: Sumitomo Mitsui Trust Group previously reported a position in ATAI as recently as Q3 2025.

Sumitomo Mitsui Trust Group first reported a position in ATAI in Q3 2025 and has held it in 2 quarters since. 183 funds tracked by Wall St. Rank hold ATAI as of Q1 2026.

  • Sumitomo Mitsui Trust Group held 567,576 shares of AtaiBeckley Inc worth $2.01M as of Q1 2026.
  • AtaiBeckley Inc was a new Sumitomo Mitsui Trust Group position in Q1 2026.
  • AtaiBeckley Inc made up ﹤0.01% of Sumitomo Mitsui Trust Group's portfolio in Q1 2026, its #788 holding.
  • Sumitomo Mitsui Trust Group first reported a position in AtaiBeckley Inc in Q3 2025 and has held it in 2 quarters since.
  • 183 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q1 2026.

Based on Sumitomo Mitsui Trust Group's 13F filing for Q1 2026, filed 30 Apr 2026.