State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s AtaiBeckley Inc ATAI Stock Holding History

State of Wisconsin Investment Board’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 		$586K Buy
111,188
+7,729
+7% +$32.5K ﹤0.01% 2042
2026
Q1 		$366K Buy
+103,459
New +$390K ﹤0.01% 2146
2023
Q4 		– Sell
-15,179
Closed -$19.6K – 2376
2023
Q3 		$19.6K Buy
+15,179
New +$26K ﹤0.01% 2472
2023
Q2 		– Sell
-15,704
Closed -$28.4K – 2356
2023
Q1 		$28.4K Sell
15,704
-98,640
-86% -$167K ﹤0.01% 2480
2022
Q4 		$304K Sell
114,344
-7,202
-6% -$21.9K ﹤0.01% 2095
2022
Q3 		$402K Sell
121,546
-6,730
-5% -$27.6K ﹤0.01% 2075
2022
Q2 		$467K Buy
+128,276
New +$524K ﹤0.01% 2100

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

State of Wisconsin Investment Board's ATAI Position: Q2 2026 in Review

State of Wisconsin Investment Board increased its AtaiBeckley Inc (ATAI) stake by 7.5% in Q2 2026, buying an estimated $32.5K and bringing the position to 111,188 shares worth $586K. The position accounts for ﹤0.01% of the portfolio, ranked #2042.

State of Wisconsin Investment Board first reported a position in ATAI in Q2 2022 and has held it in 7 quarters since. 242 funds tracked by Wall St. Rank hold ATAI as of Q2 2026.

  • State of Wisconsin Investment Board held 111,188 shares of AtaiBeckley Inc worth $586K as of Q2 2026.
  • State of Wisconsin Investment Board bought 7,729 AtaiBeckley Inc shares in Q2 2026, an estimated $32.5K.
  • AtaiBeckley Inc made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q2 2026, its #2042 holding.
  • State of Wisconsin Investment Board first reported a position in AtaiBeckley Inc in Q2 2022 and has held it in 7 quarters since.
  • 242 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q2 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q2 2026, filed 14 Aug 2026.