ATAI Institutional Ownership
Top institutional (13F) holders of ATAI and 5%+ (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
39
Institutional value
$444.82M
Top holder
BlackRock, Inc.
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| BlackRock, Inc.holding company | 6.9% | Aug 7, 2026 | $134.78M |
| Vanguard Capital Managementinvestment advisor | 3.2% | Aug 13, 2026 | $61.91M |
| STATE STREET CORPORATIONholding company | 2.2% | Sep 22, 2026 | $43.67M |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | 1.9% | Aug 12, 2026 | $36.54M |
| UBS Group AGbank | 1.2% | Aug 13, 2026 | $23.32M |
| Vanguard Portfolio Managementinvestment advisor | 1.1% | Aug 13, 2026 | $21.64M |
| MORGAN STANLEYholding company | 1.0% | Aug 13, 2026 | $20.25M |
| NORTHERN TRUST CORPinvestment advisor | 0.7% | Aug 13, 2026 | $13.64M |
| CITADEL ADVISORS LLCinvestment advisor | 0.7% | Sep 1, 2026 | $13.28M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor | 0.6% | Aug 14, 2026 | $12.12M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | 0.5% | Aug 14, 2026 | $10.36M |
| MILLENNIUM MANAGEMENT LLCinvestment advisor | 0.5% | Aug 14, 2026 | $9.33M |
| T. Rowe Price Associates, Inc.investment advisor | 0.4% | Aug 14, 2026 | $7.12M |
| GOLDMAN SACHS GROUP INCinvestment advisor | 0.3% | Aug 14, 2026 | $5.41M |
| Bank of New York Mellon Corpholding company | 0.2% | Aug 6, 2026 | $4.7M |
| TWO SIGMA INVESTMENTS, LPinvestment advisor | 0.2% | Aug 14, 2026 | $4.33M |
| BANK OF AMERICA CORP /DE/holding company | 0.1% | Aug 14, 2026 | $2.58M |
| Swiss National Bankinvestment advisor | 0.1% | Aug 11, 2026 | $2.5M |
| Point72 Asset Management, L.P.investment advisor | 0.2% | May 15, 2026 | $2.43M |
| Man Group plcinvestment advisor | 0.1% | Aug 14, 2026 | $1.89M |
| WELLS FARGO & COMPANY/MNinvestment advisor | 0.1% | Aug 14, 2026 | $1.57M |
| JPMORGAN CHASE & COholding company | 0.1% | Aug 12, 2026 | $1.54M |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEMinvestment advisor | 0.1% | Aug 24, 2026 | $1.39M |
| Invesco Ltd.holding company | 0.1% | Aug 14, 2026 | $1.31M |
| Ameriprise Financial, Inc.holding company | 0.1% | Aug 14, 2026 | $1.27M |
5%+ holders
Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.
| Holder | Form | Stake | Filed |
|---|---|---|---|
| BlackRock, Inc.holding company | SC 13G | 6.8% | Jul 27, 2026 |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.