ATAI LIFE SCIENCES NV (N0731H103) Stock Institutional Trading Activity


ATAI LIFE SCIENCES NV (N0731H103) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include ARK Invest, Renaissance Technologies LLC, and Sequoia Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2025ARK InvestBuy2,006,3902,019,551$10,683,425
Q1 2023ARK InvestSell-5,650,17913,161$23,821
Q1 2023Renaissance Technologies LLCBuy324,800573,100$1,037
Q1 2023Sequoia FundBuy42,11242,112$76,223
Q4 2022ARK InvestSell-475,5745,663,340$15,064,484
Q3 2022ARK InvestBuy4,519,8796,138,914$20,320
Q3 2022Renaissance Technologies LLCSell-179,900248,300$822
Q2 2022ARK InvestSell-56,9121,619,035$6,444
Q2 2022Renaissance Technologies LLCBuy29,958428,200$1,559
Q1 2022ARK InvestBuy1,675,9471,675,947$8,531
Q1 2022Renaissance Technologies LLCBuy139,242398,242$2,027
Q4 2021Renaissance Technologies LLCBuy259,000259,000$1,976

Frequently asked questions about N0731H103 activity

  • Which institutional owners are buying N0731H103?

    Institutional owners buying N0731H103 include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in N0731H103 activity?

    "Buy" means an investor increased their reported position in N0731H103 compared to the prior reporting period. This reflects growing exposure to ATAI LIFE SCIENCES NV (N0731H103) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in N0731H103 increasing?

    Institutional interest in N0731H103 can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.