AtaibeckleyATAI
13F holders, Q1 2026 (March 31)178holders +158
68new positions
7sold out
5famous investors
$3.54avg. 13F price*
At the end of Q1 2026, 178 institutions reported holding Ataibeckley Inc. (ATAI) in their 13F filings, up 158 from Q4 2025. 68 opened new positions and 7 sold out. The largest holders were Deep Track Capital, LP ($42.5M), Vanguard Capital Management LLC ($41.6M) and UBS Group AG ($26.3M). 5 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Ataibeckley Inc.
- CUSIP
- 04650F101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 68 | $91.6M |
| Exits | 7 | $19.0M |
All 13F filers, Q4 2025 → Q1 2026: 47,263,911 shares bought and 11,240,944 shares sold, net +36,022,967 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 178 holders
| Deep Track Capital, LP | 0.88% | Add +156.6% | 12,000,000 | $42.5M |
| Vanguard Capital Management LLC | 0.00% | — | 11,761,398 | $41.6M |
| UBS Group AG | 0.00% | New | 7,426,867 | $26.3M |
| BlackRock, Inc. | 0.00% | Add +143.0% | 6,835,300 | $24.2M |
| Adage Capital Partners Gp, L.L.C. | 0.03% | Reduce -20.3% | 5,642,758 | $20.0M |
| Susquehanna International Group, LLP | 0.02% | Add +770.1% | 5,286,326 | $18.7M |
| Millennium Management | 0.01% | New | 4,364,096 | $15.4M |
| Morgan Stanley | 0.00% | Reduce -20.1% | 3,852,772 | $13.6M |
| Candriam S.C.A. | 0.06% | New | 3,086,379 | $10.9M |
| Qube Research & Technologies Ltd | 0.01% | Add +125.7% | 2,891,942 | $10.2M |
| Foresite Capital Management VI LLC | 2.12% | No change | 2,750,000 | $9.7M |
| Geode Capital Management, LLC | 0.00% | New | 2,509,974 | $8.9M |
| Marshall Wace, LLP | 0.01% | Reduce -11.6% | 2,364,446 | $8.4M |
| RTW Investments, LP | 0.07% | No change | 2,000,000 | $7.1M |
| Two Sigma Investments, LP | 0.01% | Add +40.1% | 1,975,552 | $7.0M |
| Newtyn Management, LLC | 0.67% | New | 1,781,703 | $6.3M |
| Eagle Health Investments LP | 1.27% | Add +1.8% | 1,709,359 | $6.1M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 1,256,731 | $4.4M |
| Charles Schwab Investment Management Inc. | 0.00% | New | 1,181,583 | $4.2M |
| State Street Corp. | 0.00% | Add +296.9% | 1,144,355 | $4.1M |
| Moore Capital Management, LP | 0.13% | New | 952,380 | $3.4M |
| ADAR1 Capital Management, LLC | 0.20% | No change | 913,242 | $3.2M |
| Bank of America Corp. | 0.00% | Add +999.7% | 819,664 | $2.9M |
| CenterBook Partners LP | 0.13% | Reduce -9.4% | 707,369 | $2.5M |
| Point72 Asset Management | 0.00% | Reduce -29.0% | 664,724 | $2.4M |
| Ameriprise Financial Inc. | 0.00% | Reduce -64.3% | 618,620 | $2.2M |
| Woodline Partners LP | 0.01% | No change | 600,000 | $2.1M |
| AdvisorShares Investments LLC | 0.37% | Add +3.5% | 567,587 | $2.0M |
| Sumitomo Mitsui Trust Group, Inc. | 0.00% | New | 567,576 | $2.0M |
| Amova Asset Management Americas, Inc. | 0.03% | Add +23.0% | 567,576 | $2.0M |
| Man Group plc | 0.00% | Add +127.7% | 543,515 | $1.9M |
| Northern Trust Corp. | 0.00% | Add +333.7% | 538,050 | $1.9M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -44.0% | 520,905 | $1.8M |
| Squarepoint Ops LLC | 0.00% | Add +32.4% | 469,693 | $1.7M |
| OP Asset Management Ltd | 0.02% | New | 423,674 | $1.5M |
| Orbimed Advisors LLC | 0.03% | New | 347,000 | $1.2M |
| Swiss National Bank | 0.00% | No change | 325,900 | $1.2M |
| Axon Capital LP | 2.12% | New | 305,802 | $1.1M |
| Boussard & Gavaudan Investment Management LLP | 0.25% | New | 295,264 | $1.0M |
| Jefferies Financial Group Inc. | 0.01% | New | 275,900 | $977K |
| Brummer Multi-Strategy AB | 4.06% | Add +17.2% | 275,409 | $975K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +40.4% | 266,000 | $942K |
| Jain Global LLC | 0.01% | Add +824.1% | 244,187 | $864K |
| Brevan Howard Capital Management LP | 0.01% | New | 236,942 | $839K |
| Verdad Advisers, LP | 0.91% | New | 227,670 | $806K |
| Catalio Capital Management, LP | 0.15% | No change | 196,858 | $697K |
| Hudson Bay Capital Management LP | 0.00% | New | 188,485 | $667K |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.05% | Add +54.9% | 188,033 | $666K |
| Burkehill Global Management, LP | 0.03% | No change | 185,000 | $655K |
| JPMorgan Chase & Co. | 0.00% | Reduce -35.2% | 192,514 | $655K |
| BIT Capital GmbH | 0.04% | New | 182,576 | $646K |
| Rockefeller Capital Management L.P. | 0.00% | No change | 179,000 | $634K |
| Nuveen, LLC | 0.00% | Reduce -1.6% | 177,123 | $627K |
| Citadel Advisors | 0.00% | Reduce -88.9% | 171,388 | $607K |
| Shay Capital LLC | 0.08% | Reduce -15.8% | 164,142 | $581K |
| Carrera Capital Advisors | 0.07% | Add +105.9% | 137,560 | $487K |
| Warm Springs Advisors Inc. | 0.41% | New | 136,400 | $483K |
| Catalyst Funds Management Pty Ltd | 0.07% | New | 113,400 | $401K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 110,492 | $391K |
| Legal & General Group Plc | 0.00% | Reduce -17.2% | 105,636 | $374K |
| State of Wisconsin Investment Board | 0.00% | New | 103,459 | $366K |
| Vanguard Global Advisers, LLC | 0.00% | — | 88,429 | $313K |
| Janus Henderson Group PLC | 0.00% | New | 79,400 | $281K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 77,611 | $275K |
| China Universal Asset Management Co., Ltd. | 0.02% | New | 75,255 | $266K |
| WINTON GROUP Ltd | 0.01% | New | 64,400 | $228K |
| Manufacturers Life Insurance Company, The | 0.00% | New | 64,100 | $227K |
| Virtus Investment Advisers, LLC | 0.06% | New | 63,563 | $225K |
| Fore Capital, LLC | 1.41% | New | 60,000 | $212K |
| Quantinno Capital Management LP | 0.00% | No change | 58,246 | $206K |
| State of New Jersey Common Pension Fund D | 0.00% | New | 56,493 | $200K |
| Invesco Ltd. | 0.00% | Add +175.0% | 53,199 | $188K |
| Caprock Group, LLC | 0.00% | No change | 52,075 | $184K |
| Trueblood Wealth Management, LLC | 0.07% | New | 50,000 | $177K |
| MYDA Advisors LLC | 0.04% | New | 50,000 | $177K |
| Seaview Investment Managers LLC | 0.06% | No change | 49,922 | $177K |
| VectorGlobal IAG, Inc. | 0.05% | — | 49,922 | $177K |
| Citigroup Inc. | 0.00% | Add +343.1% | 49,052 | $174K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 46,375 | $164K |
| Jump Financial, LLC | 0.00% | New | 46,026 | $163K |
| Bank of New York Mellon Corp | 0.00% | New | 45,609 | $161K |
| Arizona State Retirement System | 0.00% | Reduce -1.4% | 45,404 | $161K |
| Vanguard Investments Australia, Ltd. | 0.00% | — | 43,091 | $153K |
| Ruane, Cunniff & Goldfarb L.P. | 0.00% | New | 42,112 | $149K |
| Barclays PLC | 0.00% | Reduce -67.0% | 38,218 | $135K |
| HighTower Advisors, LLC | 0.00% | New | 38,138 | $135K |
| Thoroughbred Financial Services, LLC | 0.01% | Reduce -28.4% | 33,820 | $119K |
| Amundi | 0.00% | New | 33,121 | $117K |
| Cresset Asset Management, LLC | 0.00% | Reduce -13.0% | 31,315 | $111K |
| Kingswood Wealth Advisors, LLC | 0.01% | No change | 30,007 | $106K |
| Raymond James Financial Inc. | 0.00% | Reduce -4.3% | 29,990 | $106K |
| DRW Securities, LLC | 0.01% | New | 29,045 | $103K |
| Robertson Stephens Wealth Management, LLC | 0.00% | No change | 28,297 | $100K |
| North Star Investment Management Corp. | 0.01% | Add +80.4% | 28,275 | $100K |
| D. E. Shaw & Co. | 0.00% | Reduce -89.6% | 27,419 | $97K |
| Creative Planning | 0.00% | Add +5.6% | 27,191 | $96K |
| Wedmont Private Capital | 0.00% | No change | 25,000 | $94K |
| Evoke Wealth, LLC | 0.00% | Reduce -0.3% | 26,511 | $94K |
| Quantessence Capital LLC | 0.44% | New | 25,311 | $90K |
| Bright Futures Wealth Management, LLC. | 0.06% | No change | 25,000 | $89K |
"% of holder's portfolio" is ATAI's weight in each manager's 13F, not the share of Ataibeckley Inc. the manager owns.