Institutional Holders (2026 Q1)
183 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in ATAI. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Brummer Multi-Strategy AB | 4.06% | 275,409 | $975K |
| 2 | Brown University | 2.50% | 718,500 | $2.5M |
| 3 | Foresite Capital Management VI LLC | 2.12% | 2,750,000 | $9.7M |
| 4 | Axon Capital LP | 1.56% | 305,802 | $1.1M |
| 5 | Eagle Health Investments LP | 1.06% | 1,709,359 | $6.1M |
| 6 | Verdad Advisers, LP | 0.91% | 227,670 | $806K |
| 7 | Deep Track Capital, LP | 0.69% | 12,000,000 | $42.5M |
| 8 | Newtyn Management, LLC | 0.67% | 1,781,703 | $6.3M |
| 9 | Quantessence Capital LLC | 0.44% | 25,311 | $90K |
| 10 | Warm Springs Advisors Inc. | 0.41% | 136,400 | $483K |
| 11 | Stableford Capital II LLC | 0.38% | 286,282 | $1.0M |
| 12 | AdvisorShares Investments LLC | 0.37% | 567,587 | $2.0M |
| 13 | ADAR1 Capital Management, LLC | 0.19% | 913,242 | $3.2M |
| 14 | Catalio Capital Management, LP | 0.15% | 196,858 | $697K |
| 15 | CenterBook Partners LP | 0.13% | 707,369 | $2.5M |
| 16 | Fore Capital, LLC | 0.13% | 60,000 | $212K |
| 17 | Boussard & Gavaudan Investment Management LLP | 0.10% | 295,264 | $1.0M |
| 18 | Z3 Capital Partners, LLC | 0.09% | 94,950 | $388K |
| 19 | Carrera Capital Advisors | 0.08% | 137,560 | $487K |
| 20 | Rtw Investments, LP | 0.07% | 2,000,000 | $7.1M |
| 21 | Trueblood Wealth Management, LLC | 0.07% | 50,000 | $177K |
| 22 | Moore Capital Management, LP | 0.07% | 952,380 | $3.4M |
| 23 | Catalyst Funds Management Pty Ltd | 0.07% | 113,400 | $401K |
| 24 | Seaview Investment Managers LLC | 0.06% | 49,922 | $177K |
| 25 | Virtus Investment Advisers, LLC | 0.06% | 63,563 | $225K |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|