Atai Beckley
Develops clinical-stage psychiatric candidates for difficult-to-treat mental-health conditions.
$7.29
After-hours close0.00 (0.00%)
At close$7.29(−0.82%)
Something off on this page? Send us feedback.
Breakdown13F · Form 4
Institutions 37.12%137.31M sharesInsiders 2.26%8.38M sharesOther 60.62%224.26M shares
Shares outstanding 369.95M · Float 201.02M · 54.3% free float
Institutions13F, as of Jun 30, 2026
249 holders · 137.31M shares · 86 new positions · 171 increased · 28 reduced · 32 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 25.57M | 6.91% | +18.74M | Aug 7, 2026 |
| Deep Track Capital, LP | 14.42M | 3.90% | +2.42M | Aug 14, 2026 |
| Vanguard Capital Management LLC | 11.75M | 3.18% | −14.1K | Aug 13, 2026 |
| State Street Corp | 8.29M | 2.24% | +7.14M | Aug 7, 2026 |
| Geode Capital Management, LLC | 6.93M | 1.87% | +4.42M | Aug 12, 2026 |
| Adage Capital Partners GP, L.L.C. | 5.64M | 1.53% | 0 | Aug 14, 2026 |
| UBS Group AG | 4.42M | 1.20% | −3.00M | Aug 13, 2026 |
| Vanguard Portfolio Management LLC | 4.11M | 1.11% | +4.11Mnew | Aug 13, 2026 |
Beneficial owners13D/G · 5% or more, as filed
No 13D/G filer at 5% or more on record.
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Apeiron Investment Group Ltd. | 10 percent owner | 53.41M | 14.44% | Oct 2, 2025 |
| Cosmo Feilding-Mellen | director | 7.70M | 2.08% | Nov 6, 2025 |
| Srinivas Rao | officer: See Remarks | 212.9K | 0.06% | Mar 24, 2025 |
| Christopher Ryan Cave Barrett | officer: See Remarks | 155.1K | 0.04% | Oct 3, 2025 |
| Anne Nagengast Johnson | officer: Chief Financial Officer | 140.0K | 0.04% | Mar 24, 2025 |
| Sahil Kirpekar | officer: Chief Business Officer | 115.6K | 0.03% | Mar 24, 2025 |
| Glenn Frank Short | officer: Chief Scientific Officer | 42.3K | 0.01% | Mar 24, 2025 |
| Kevin James Craig | officer: Chief Medical Officer | 8.4K | 0.00% | Mar 24, 2025 |
1 ten-percent owner holds 53.41M shares by Form 4, outside the officers-and-directors figure above · 6 people have not refiled in the last 18 months (1.96M shares), so they are not in the figure above
Latest trades
No open-market trades in the last 12 months.
CongressHouse and Senate disclosures
Not reported.