13F reference 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 Q3 2026
Institutions Reporting
238
Shares (Excl. Options)
134.22M
Full value: 134,216,319 · shares · 30 Jun 2026Price
$5.27
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.
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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
- $7.42
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
Filing notes and source
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 177 to 238 between Q1 2026 and Q2 2026.
- SEC-reported value moved from to
$352.5M
Full value: $352,496,605 · USD · 31 Mar 2026.$706.82M
Full value: $706,819,850 · USD · 30 Jun 2026
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
13F reference 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
shares of
AtaiBeckley Inc. - Common stock, par value $0.01 per share (ATAI).
This represents
36%
of the company’s total
outstanding shares.
134.22M
Full value: 134,216,319 · shares · 30 Jun 2026368.91M
Full value: 368,909,961 · shares · Stored outstanding share count13F 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
4
Headline period
Q2 2026
Rows shown
1-4 of 4