Ruane Cunniff's ATAI Position Overview
Ruane Cunniff (via Ruane, Cunniff & Goldfarb L.P.) currently holds 42,112 shares of AtaiBeckley Inc. (ATAI) worth $221,930, representing 0.00% of the portfolio. First purchased in 2023-Q1, this medium-term investment has been held for 14 quarters.
Based on 13F filings, Ruane Cunniff has maintained a strategic position in ATAI, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2026, adding 42,112 shares. Largest reduction occurred in Q4 2025, reducing 42,112 shares.
Analysis based on 13F filings available since 2013 Q2
Ruane Cunniff's AtaiBeckley (ATAI) Holding Value Over Time
Track share changes against reported price movement
Quarterly AtaiBeckley (ATAI) Trades by Ruane Cunniff
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +42,112 | New Buy | 42,112 | $3.54 |
| Q4 2025 | -42,112 | Sold Out | 0 | $0.00 |
| Q1 2023 | +42,112 | New Buy | 42,112 | $1.81 |
Ruane Cunniff's AtaiBeckley Investment FAQs
Ruane Cunniff first purchased AtaiBeckley Inc. (ATAI) in Q1 2023, acquiring 42,112 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Ruane Cunniff has held AtaiBeckley Inc. (ATAI) for 14 quarters since Q1 2023.
Ruane Cunniff's largest addition to AtaiBeckley Inc. (ATAI) was in Q1 2023, adding 42,112 shares worth $76,223.
According to the latest 13F filing for Q2 2026, Ruane Cunniff's firm, Ruane, Cunniff & Goldfarb L.P., owns 42,112 shares of AtaiBeckley Inc. (ATAI), valued at approximately $221,930.
As of the Q2 2026 filing, AtaiBeckley Inc. (ATAI) represents approximately 0.00% of Ruane Cunniff's publicly disclosed stock portfolio, making it one of their key holdings.
Ruane Cunniff's peak holding in AtaiBeckley Inc. (ATAI) was 42,112 shares, as reported at the end of Q1 2023.