AtaiBeckley Inc. Common Stock (ATAI) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for ATAI. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 235 institutions reported holding ATAI, with 134.8 million shares worth $710.1 million in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock | 25,574,573 | $135M | INCREASED |
| Vanguard | 17,737,449 | $93M | INCREASED |
| Deep Track Capital | 14,417,442 | $76M | INCREASED |
| State Street | 8,287,054 | $44M | INCREASED |
| Geode Capital Management | 6,933,309 | $37M | INCREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Gerd Kochendoerfer (Chief Operating Officer) | SELL | 150,000 | 2026-09-11 | |
| Gerd Kochendoerfer (Chief Operating Officer) | SELL | 675,000 | $3M | 2026-09-11 |
| Gerd Kochendoerfer (Chief Operating Officer) | SELL | 1,400,000 | $2M | 2026-09-11 |
| Kevin James Craig (Chief Medical Officer) | SELL | 150,000 | 2026-09-11 | |
| Kevin James Craig (Chief Medical Officer) | SELL | 675,000 | $3M | 2026-09-11 |
Full institutional holdings, insider history, and congressional trades for AtaiBeckley Inc. Common Stock on SentiSense.