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Israel Englander’s AtaiBeckley Inc ATAI Stock Holding History

Israel Englander’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
2025
Q3 		– Sell
-100,000
Closed -$219K – 6010
2025
Q2 		$219K Buy
+100,000
New +$179K ﹤0.01% 5325

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

Israel Englander's ATAI Position: Q2 2026 in Review

Israel Englander reduced its AtaiBeckley Inc (ATAI) stake by 59% in Q2 2026, selling an estimated $10.9M and leaving 1,770,526 shares worth $9.33M. The position accounts for ﹤0.01% of the portfolio, ranked #2348.

Israel Englander first reported a position in ATAI in Q2 2021 and has held it in 20 quarters since. The position peaked at $15.4M in Q1 2026. 242 funds tracked by Wall St. Rank hold ATAI as of Q2 2026.

  • Israel Englander held 1,770,526 shares of AtaiBeckley Inc worth $9.33M as of Q2 2026.
  • Israel Englander sold 2,593,570 AtaiBeckley Inc shares in Q2 2026, an estimated $10.9M.
  • AtaiBeckley Inc made up ﹤0.01% of Israel Englander's portfolio in Q2 2026, its #2348 holding.
  • Israel Englander first reported a position in AtaiBeckley Inc in Q2 2021 and has held it in 20 quarters since.
  • Israel Englander's AtaiBeckley Inc position peaked at $15.4M in Q1 2026.
  • 242 funds tracked by Wall St. Rank held AtaiBeckley Inc as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.