Latest Period
Q2 2026
Security Snapshot
AtaiBeckley Inc. - Common stock, par value $0.01 per share (ATAI) Institutional Ownership
CUSIP: 04650F101
13F Institutional Holders and Ownership History from Q4 2025 to Q2 2026
Institutions Reporting
238
Shares (Excl. Options)
134,216,319
Price
$5.27
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- Security type / class
- Equity / Common stock, par value $0.01 per share
- Symbol
- ATAI
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 134,216,319
- Total 13F value
- $706,819,850
- Portfolio coverage rank
- 0%
- Share change
- +34,607,623
- Value change
- +$190,949,431
- Number of holders
- 238
- Shares outstanding
- 368,909,961
- SEC-reported price per share
- $7.25
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ATAI - AtaiBeckley Inc. - Common stock, par value $0.01 per share is tracked under CUSIP 04650F101.
- 238 institutions reported positions in Q2 2026.
- Schedule 13D/13G significant owner rows are not currently available.
Change
- Holder count moved from 176 to 238 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $350,996,799 to $706,819,850.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 238 institutions filings for Q2 2026.
Security key
04650F101
Latest holder period
Q2 2026
13F holders
238
13D/G owners
0
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 04650F101:
As of 30 Jun 2026, 238 institutional investors reported holding 134,216,319 shares of AtaiBeckley Inc. - Common stock, par value $0.01 per share (ATAI). This represents 36% of the company’s total 368,909,961 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
31%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6.9% | 25,574,573 | +274% | 0% | $134,777,999 |
| Deep Track Capital, LP | 3.9% | 14,417,442 | +20% | 1.1% | $75,979,919 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.2% | 11,747,249 | -0.12% | 0% | $61,908,002 |
| STATE STREET CORP | 2.2% | 8,287,054 | +624% | 0% | $43,672,775 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.9% | 6,933,309 | +176% | 0% | $36,543,357 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 1.5% | 5,642,758 | 0% | 0.04% | $29,737,335 |
| UBS Group AG | 1.2% | 4,424,701 | -40% | 0% | $23,318,174 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.1% | 4,106,450 | 0% | $21,640,992 | |
| MORGAN STANLEY | 1% | 3,843,253 | -0.25% | 0% | $20,253,943 |
| Candriam S.C.A. | 0.82% | 3,039,399 | -1.5% | 0.07% | $16,002,222 |
| Foresite Capital Management VI LLC | 0.75% | 2,750,000 | 0% | 2.3% | $14,492,500 |
| NORTHERN TRUST CORP | 0.7% | 2,589,167 | +381% | 0% | $13,644,910 |
| CITADEL ADVISORS LLC | 0.57% | 2,114,908 | +1134% | 0.01% | $11,145,565 |
| RTW INVESTMENTS, LP | 0.54% | 2,000,000 | 0% | 0.09% | $10,540,000 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.53% | 1,965,683 | +66% | 0% | $10,359,149 |
| MILLENNIUM MANAGEMENT LLC | 0.48% | 1,770,526 | -59% | 0.01% | $9,330,672 |
| Eagle Health Investments LP | 0.46% | 1,709,359 | 0% | 1.5% | $9,008,322 |
| VANGUARD FIDUCIARY TRUST CO | 0.43% | 1,576,296 | +25% | 0% | $8,307,080 |
| Halter Ferguson Financial Inc. | 0.4% | 1,485,590 | 1.3% | $7,829,060 | |
| FIRST TRUST ADVISORS LP | 0.37% | 1,375,500 | 0% | $7,248,885 | |
| PRICE T ROWE ASSOCIATES INC /MD/ | 0.37% | 1,350,732 | 0% | $7,119,000 | |
| Nuveen, LLC | 0.35% | 1,295,262 | +631% | 0% | $6,826,030 |
| Newtyn Management, LLC | 0.32% | 1,187,808 | -33% | 0.78% | $6,259,748 |
| MOORE CAPITAL MANAGEMENT, LP | 0.26% | 952,380 | 0% | 0.11% | $5,019,043 |
| GOLDMAN SACHS GROUP INC | 0.26% | 946,100 | +82% | 0% | $4,985,946 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
3
Latest
Q2 2026
Rows shown
1-3 of 3