Sumitomo Mitsui Trust Group
ATAI icon

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
Q2 		$2.58M Sell
489,613
-77,963
-14% -$328K ﹤0.01% 789
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

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
CS
Candriam SCA Strassen, Luxembourg, Luxembourg $22.2B AUM 58.34% 1-Year Est. Return

Sumitomo Mitsui Trust Group's ATAI Position: Q2 2026 in Review

Sumitomo Mitsui Trust Group reduced its AtaiBeckley Inc (ATAI) stake by 14% in Q2 2026, selling an estimated $328K and leaving 489,613 shares worth $2.58M. The position accounts for ﹤0.01% of the portfolio, ranked #789.

Sumitomo Mitsui Trust Group first reported a position in ATAI in Q3 2025 and has held it in 3 quarters since. 243 funds tracked by Wall St. Rank hold ATAI as of Q2 2026.

  • Sumitomo Mitsui Trust Group held 489,613 shares of AtaiBeckley Inc worth $2.58M as of Q2 2026.
  • Sumitomo Mitsui Trust Group sold 77,963 AtaiBeckley Inc shares in Q2 2026, an estimated $328K.
  • AtaiBeckley Inc made up ﹤0.01% of Sumitomo Mitsui Trust Group's portfolio in Q2 2026, its #789 holding.
  • Sumitomo Mitsui Trust Group first reported a position in AtaiBeckley Inc in Q3 2025 and has held it in 3 quarters since.
  • 243 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q2 2026.

Based on Sumitomo Mitsui Trust Group's 13F filing for Q2 2026, filed 30 Jul 2026.