AtaibeckleyATAI
13F holders, Q2 2026 (June 30)239holders +61
79new positions
19sold out
5famous investors
$5.27avg. 13F price*
At the end of Q2 2026, 239 institutions reported holding Ataibeckley Inc. (ATAI) in their 13F filings, up 61 from Q1 2026. 79 opened new positions and 19 sold out. The largest holders were BlackRock, Inc. ($134.8M), Deep Track Capital, LP ($76.0M) and Vanguard Capital Management LLC ($61.9M). 5 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio).
- Company
- Ataibeckley Inc.
- CUSIP
- 04650F101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 79 | $65.0M |
| Exits | 19 | $18.6M |
All 13F filers, Q1 2026 → Q2 2026: 56,774,691 shares bought and 22,085,657 shares sold, net +34,689,034 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 239 holders
| BlackRock, Inc. | 0.00% | Add +274.1% | 25,574,573 | $134.8M |
| Deep Track Capital, LP | 1.12% | Add +20.1% | 14,417,442 | $76.0M |
| Vanguard Capital Management LLC | 0.00% | Reduce -0.1% | 11,747,249 | $61.9M |
| State Street Corp. | 0.00% | Add +624.2% | 8,287,054 | $43.7M |
| Geode Capital Management, LLC | 0.00% | Add +176.2% | 6,933,309 | $36.5M |
| Adage Capital Partners Gp, L.L.C. | 0.04% | No change | 5,642,758 | $29.7M |
| UBS Group AG | 0.00% | Reduce -40.4% | 4,424,701 | $23.3M |
| Vanguard Portfolio Management LLC | 0.00% | New | 4,106,450 | $21.6M |
| Morgan Stanley | 0.00% | Reduce -0.3% | 3,843,253 | $20.3M |
| Candriam S.C.A. | 0.07% | Reduce -1.5% | 3,039,399 | $16.0M |
| Foresite Capital Management VI LLC | 2.26% | No change | 2,750,000 | $14.5M |
| Northern Trust Corp. | 0.00% | Add +381.2% | 2,589,167 | $13.6M |
| Citadel Advisors | 0.01% | Add +1134.0% | 2,114,908 | $11.1M |
| RTW Investments, LP | 0.09% | No change | 2,000,000 | $10.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +66.4% | 1,965,683 | $10.4M |
| Millennium Management | 0.01% | Reduce -59.4% | 1,770,526 | $9.3M |
| Eagle Health Investments LP | 1.49% | No change | 1,709,359 | $9.0M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +25.4% | 1,576,296 | $8.3M |
| Halter Ferguson Financial Inc. | 1.27% | New | 1,485,590 | $7.8M |
| First Trust Advisors LP | 0.00% | New | 1,375,500 | $7.2M |
| T. Rowe Price Associates Inc. | 0.00% | New | 1,350,732 | $7.1M |
| Nuveen, LLC | 0.00% | Add +631.3% | 1,295,262 | $6.8M |
| Newtyn Management, LLC | 0.78% | Reduce -33.3% | 1,187,808 | $6.3M |
| Moore Capital Management, LP | 0.12% | No change | 952,380 | $5.0M |
| Goldman Sachs Group Inc. | 0.00% | Add +81.6% | 946,100 | $5.0M |
| ADAR1 Capital Management, LLC | 0.23% | No change | 913,242 | $4.8M |
| Bank of New York Mellon Corp | 0.00% | Add +1855.7% | 891,983 | $4.7M |
| AdvisorShares Investments LLC | 0.56% | Add +55.5% | 882,892 | $4.7M |
| Two Sigma Investments, LP | 0.00% | Reduce -58.4% | 822,471 | $4.3M |
| Orbimed Advisors LLC | 0.08% | Add +129.8% | 797,500 | $4.2M |
| Woodline Partners LP | 0.01% | No change | 600,000 | $3.2M |
| Boussard & Gavaudan Gestion Sas | 0.35% | — | 540,893 | $2.9M |
| JGP Global Gestao de Recursos Ltda. | 5.88% | New | 500,000 | $2.6M |
| Bank of America Corp. | 0.00% | Reduce -40.2% | 490,433 | $2.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +84.3% | 490,135 | $2.6M |
| Sumitomo Mitsui Trust Group, Inc. | 0.00% | Reduce -13.7% | 489,613 | $2.6M |
| Susquehanna International Group, LLP | 0.00% | Reduce -90.8% | 487,486 | $2.6M |
| Amova Asset Management Americas, Inc. | 0.03% | Reduce -14.7% | 483,952 | $2.5M |
| Swiss National Bank | 0.00% | Add +45.4% | 473,700 | $2.5M |
| Rhumbline Advisers | 0.00% | New | 399,436 | $2.1M |
| Man Group plc | 0.00% | Reduce -34.0% | 358,812 | $1.9M |
| Deutsche Bank AG | 0.00% | Add +4892.6% | 345,042 | $1.8M |
| BIT Capital GmbH | 0.06% | Add +75.6% | 320,576 | $1.7M |
| Voya Investment Management LLC | 0.00% | New | 304,576 | $1.6M |
| Wells Fargo & Company | 0.00% | Add +4458.8% | 297,918 | $1.6M |
| JPMorgan Chase & Co. | 0.00% | Add +42.0% | 273,350 | $1.5M |
| Jefferies Financial Group Inc. | 0.01% | No change | 275,900 | $1.5M |
| California State Teachers Retirement System | 0.00% | New | 264,382 | $1.4M |
| Warm Springs Advisors Inc. | 0.96% | Add +92.8% | 263,000 | $1.4M |
| CenterBook Partners LP | 0.07% | Reduce -63.7% | 256,623 | $1.4M |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.09% | Add +34.5% | 252,913 | $1.3M |
| Invesco Ltd. | 0.00% | Add +367.6% | 248,757 | $1.3M |
| Ameriprise Financial Inc. | 0.00% | Reduce -61.0% | 241,024 | $1.3M |
| Citigroup Inc. | 0.00% | Add +388.4% | 239,550 | $1.3M |
| Alliancebernstein L.P. | 0.00% | Add +1576.9% | 355,500 | $1.3M |
| Jump Financial, LLC | 0.01% | Add +375.1% | 218,675 | $1.2M |
| Catalio Capital Management, LP | 0.20% | No change | 196,858 | $1.0M |
| Axxion S.A. | 0.07% | — | 193,223 | $1.0M |
| Rockefeller Capital Management L.P. | 0.00% | Add +5.6% | 189,000 | $996K |
| MetLife Investment Management, LLC | 0.00% | New | 188,676 | $994K |
| Burkehill Global Management, LP | 0.04% | No change | 185,000 | $975K |
| Barclays PLC | 0.00% | Add +370.7% | 179,877 | $948K |
| Stableford Capital II LLC | 0.31% | New | 168,350 | $887K |
| Legal & General Group Plc | 0.00% | Add +57.9% | 166,783 | $879K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Add +50.5% | 166,315 | $876K |
| Axon Capital LP | 1.50% | Reduce -50.0% | 152,904 | $806K |
| Diametric Capital, LP | 0.08% | New | 148,702 | $784K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | New | 146,911 | $774K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +127.5% | 145,800 | $768K |
| Carrera Capital Advisors | 0.11% | No change | 137,560 | $725K |
| NewEdge Advisors, LLC | 0.00% | New | 121,116 | $638K |
| LPL Financial LLC | 0.00% | Add +412.4% | 117,676 | $620K |
| State of Wisconsin Investment Board | 0.00% | Add +7.5% | 111,188 | $586K |
| Marshall Wace, LLP | 0.00% | Reduce -95.3% | 110,019 | $580K |
| MYDA Advisors LLC | 0.14% | Add +120.0% | 110,000 | $580K |
| Insigneo Advisory Services, LLC | 0.02% | New | 104,252 | $549K |
| Lighthouse Investment Partners, LLC | 0.02% | Add +695.5% | 103,420 | $545K |
| Eversept Partners, LP | 0.03% | New | 102,430 | $540K |
| Verdad Advisers, LP | 0.51% | Reduce -55.8% | 100,681 | $531K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | New | 94,497 | $498K |
| New York State Common Retirement Fund | 0.00% | New | 93,900 | $495K |
| Z3 Capital Partners, LLC | 0.10% | New | 92,525 | $488K |
| EntryPoint Capital, LLC | 0.11% | New | 86,497 | $456K |
| Virtus Investment Advisers, LLC | 0.10% | Add +31.3% | 83,469 | $440K |
| Tudor Investment Corporation | 0.00% | New | 81,911 | $432K |
| Jupiter Topco LLC | 0.00% | — | 79,400 | $418K |
| State of New Jersey Common Pension Fund D | 0.00% | Add +35.1% | 76,338 | $402K |
| Vontobel Holding Ltd. | 0.00% | Add +279.4% | 75,878 | $400K |
| Vanguard Global Advisers, LLC | 0.00% | Reduce -14.7% | 75,442 | $398K |
| Truist Financial Corp. | 0.00% | Add +358.0% | 75,080 | $396K |
| Profund Advisors LLC | 0.01% | New | 73,598 | $388K |
| China Universal Asset Management Co., Ltd. | 0.02% | Reduce -4.1% | 72,173 | $380K |
| WINTON GROUP Ltd | 0.01% | Add +9.6% | 70,600 | $372K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +45.5% | 67,455 | $355K |
| Sei Investments Co. | 0.00% | New | 66,060 | $348K |
| Vanguard Investments Australia, Ltd. | 0.00% | Add +52.5% | 65,697 | $346K |
| Arizona State Retirement System | 0.00% | Add +43.5% | 65,144 | $343K |
| STRS Ohio | 0.00% | New | 62,800 | $331K |
| Squarepoint Ops LLC | 0.00% | Reduce -86.7% | 62,672 | $330K |
| HighTower Advisors, LLC | 0.00% | Add +61.6% | 61,643 | $325K |
"% of holder's portfolio" is ATAI's weight in each manager's 13F, not the share of Ataibeckley Inc. the manager owns.