AtaiBeckley Inc.
ATAIDelisted Sep 11, 2026- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0002081043
AtaiBeckley Inc. was delisted on Sep 11, 2026; its insiders filed their last Form 4 on Sep 11, 2026; 242 institutions reported holding it in 13F filings for Q2 2026, worth $710.6M in total; no superinvestor held it.
13F holders, Q4 2025
Institutional positions in AtaiBeckley Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 138
- +9 vs. Q3 2025
- Shares held
- 55.7M
- +12.0M (+27.5%) vs. Q3 2025
- Total value
- $227.8M
- −$3.29M (−1.4%) vs. Q3 2025
- New holders
- 48
- 30 more added
- Sold out
- 39
- 22 more reduced
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ATAI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 242 | $710.6M |
| Q1 2026 | 184 | $355.0M |
| Q4 2025 | 138 | $227.8M |
| Q3 2025 | 129 | $231.1M |
| Q2 2025 | 93 | $63.9M |
| Q1 2025 | 79 | $29.7M |
| Q4 2024 | 88 | $19.3M |
| Q3 2024 | 75 | $13.5M |
| Q2 2024 | 89 | $16.1M |
| Q1 2024 | 88 | $24.6M |
| Q4 2023 | 88 | $18.9M |
| Q3 2023 | 96 | $19.1M |
| Q2 2023 | 97 | $26.3M |
| Q1 2023 | 105 | $31.3M |
| Q4 2022 | 116 | $66.6M |
| Q3 2022 | 101 | $88.1M |
| Q2 2022 | 98 | $79.6M |
| Q1 2022 | 87 | $79.4M |
| Q4 2021 | 84 | $109.4M |
| Q3 2021 | 54 | $169.9M |
| Q2 2021 | 44 | $212.2M |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding AtaiBeckley Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Shay Capital LLC | 195,000 | $797.5K | 0.13% | +127,000+186.8% | Added |
| Catalio Capital Management, LP | 196,858 | $805.1K | 0.14% | 00.0% | Unchanged |
| Brummer Multi-Strategy AB | 234,915 | $960.8K | 5.81% | +234,915 | New |
| Man Group plc | 238,751 | $976.5K | 0.00% | +206,474+639.7% | Added |
| D. E. Shaw & Co., Inc. | 264,517 | $1.08M | 0.00% | −447,928−62.9% | Reduced |
| American Century Companies Inc | 270,451 | $1.11M | 0.00% | +22,582+9.1% | Added |
| State Street Corp | 288,314 | $1.18M | 0.00% | +145,753+102.2% | Added |
| Stableford Capital II LLC | 291,558 | $1.19M | 0.43% | +291,558 | New |
| JPMorgan Chase & Co | 296,991 | $1.21M | 0.00% | −472,609−61.4% | Reduced |
| Group One Trading, L.P. | 321,279 | $1.31M | 0.04% | −279,228−46.5% | Reduced |
| Swiss National Bank | 325,900 | $1.33M | 0.00% | +325,900 | New |
| Squarepoint Ops LLC | 354,685 | $1.45M | 0.00% | +203,021+133.9% | Added |
| Nikko Asset Management Americas, Inc. | 461,436 | $1.89M | 0.02% | +258,655+127.6% | Added |
| Price T Rowe Associates Inc | 465,352 | $1.90M | 0.00% | +465,352 | New |
| AdvisorShares Investments LLC | 548,603 | $2.24M | 0.37% | +42,292+8.4% | Added |
| Woodline Partners LP | 600,000 | $2.45M | 0.01% | +600,000 | New |
| Susquehanna International Group, LLP | 607,528 | $2.48M | 0.00% | +157,673+35.0% | Added |
| Brown University | 718,500 | $2.94M | 2.06% | 00.0% | Unchanged |
| Jane Street Group, LLC | 759,996 | $3.11M | 0.00% | +162,722+27.2% | Added |
| CenterBook Partners LP | 780,501 | $3.19M | 0.16% | +129,370+19.9% | Added |
| ADAR1 Capital Management, LLC | 913,242 | $3.74M | 0.28% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 930,013 | $3.80M | 0.00% | +480,967+107.1% | Added |
| Point72 Asset Management, L.P. | 935,712 | $3.83M | 0.01% | +935,712 | New |
| Qube Research & Technologies Ltd | 1,281,190 | $5.24M | 0.01% | +1,211,305+1,733.3% | Added |
| Two Sigma Investments, LP | 1,410,229 | $5.77M | 0.01% | +1,046,403+287.6% | Added |
| HRT Financial LP | 1,469,246 | $6.01M | 0.02% | +1,067,970+266.1% | Added |
| Citadel Advisors LLC | 1,541,506 | $6.30M | 0.00% | −1,034,488−40.2% | Reduced |
| Eagle Health Investments LP | 1,678,400 | $6.86M | 1.51% | +1,678,400 | New |
| Ally Bridge Group (NY) LLC | 1,713,105 | $7.01M | 11.12% | −573,900−25.1% | Reduced |
| Ameriprise Financial Inc | 1,735,252 | $7.10M | 0.00% | +1,735,252 | New |
| RTW Investments, LP | 2,000,000 | $8.18M | 0.08% | +2,000,000 | New |
| Marshall Wace, LLP | 2,675,117 | $10.9M | 0.01% | +1,609,236+151.0% | Added |
| Foresite Capital Management VI LLC | 2,750,000 | $11.2M | 3.40% | +2,750,000 | New |
| BlackRock, Inc. | 2,813,208 | $11.5M | 0.00% | +2,808,808+63,836.5% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 3,305,997 | $13.5M | 0.09% | +1,286,446+63.7% | Added |
| Deep Track Capital, LP | 4,677,289 | $19.1M | 0.44% | +4,677,289 | New |
| Morgan Stanley | 4,820,973 | $19.7M | 0.00% | +5,410+0.1% | Added |
| Adage Capital Partners GP, L.L.C. | 7,079,846 | $29.0M | 0.04% | +1,645,064+30.3% | Added |
| UBS Group AG | 0 | $0 | 0.00% | −7,677,289−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −1,097,768−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −952,380−100.0% | Sold out |
| Fred Alger Management, LLC | 0 | $0 | 0.00% | −488,855−100.0% | Sold out |
| OrbiMed Advisors LLC | 0 | $0 | 0.00% | −347,000−100.0% | Sold out |
| Geode Capital Management, LLC | 0 | $0 | 0.00% | −242,344−100.0% | Sold out |
| Sumitomo Mitsui Trust Holdings, Inc. | 0 | $0 | 0.00% | −202,781−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −153,800−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −79,356−100.0% | Sold out |
| StemPoint Capital LP | 0 | $0 | 0.00% | −76,032−100.0% | Sold out |
| TD Asset Management Inc | 0 | $0 | 0.00% | −68,576−100.0% | Sold out |
| DLD Asset Management, LP | 0 | $0 | 0.00% | −60,000−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −53,477−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Sender Co & Partners, Inc. | 0 | $0 | 0.00% | −43,176−100.0% | Sold out |
| Ruane, Cunniff & Goldfarb L.P. | 0 | $0 | 0.00% | −42,112−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −40,815−100.0% | Sold out |
| Dauntless Investment Group, LLC | 0 | $0 | 0.00% | −31,159−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −30,275−100.0% | Sold out |
| Regent Peak Wealth Advisors LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −19,700−100.0% | Sold out |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −16,713−100.0% | Sold out |
| Moneta Group Investment Advisors LLC | 0 | $0 | 0.00% | −14,746−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −13,192−100.0% | Sold out |
| BIT Capital GmbH | 0 | $0 | 0.00% | −12,501−100.0% | Sold out |
| Choate Investment Advisors | 0 | $0 | 0.00% | −11,750−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −11,291−100.0% | Sold out |
| Brown Advisory Inc | 0 | $0 | 0.00% | −10,460−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −10,017−100.0% | Sold out |
| Detalus Advisors, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −7,015−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −6,824−100.0% | Sold out |
| Evolution Wealth Management Inc. | 0 | $0 | 0.00% | −6,467−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −5,747−100.0% | Sold out |
| Bank Julius Baer & Co. Ltd, Zurich | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −229−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| ORG Partners LLC | 0 | $0 | 0.00% | −90−100.0% | Sold out |
| Grey Fox Wealth Advisors, LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |