AtaiBeckley Inc.

ATAIDelisted Sep 11, 2026

Industry: Pharmaceutical Preparations
SEC CIK: 0002081043

SEC filings (opens in a new tab)

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, Q3 2026

Institutional positions in AtaiBeckley Inc. as of Sep 30, 2026. 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

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 0; −2 vs. Q2 2026
Shares held: 0; −3.54K (−100.0%) vs. Q2 2026
Total value: $0; −$18.7K (−100.0%) vs. Q2 2026
New holders: 0; 0 more added
Sold out: 2; 0 more reduced

240 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: 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.

Institutional holders

Value held

Institutions holding ATAI and their total value by quarter
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, Q3 2026

Shares, value and share of portfolio for each institution holding AtaiBeckley Inc.; share changes are against Q2 2026.

Institutions holding ATAI in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Planning Strategies Inc.	0	$0	0.00%	−2,000−100.0%	Sold out
Massmutual Trust Co FSB	0	$0	0.00%	−1,539−100.0%	Sold out
BlackRock, Inc.	–	–	–	–	Not filed
Deep Track Capital, LP	–	–	–	–	Not filed
Vanguard Capital Management LLC	–	–	–	–	Not filed
State Street Corp	–	–	–	–	Not filed
Geode Capital Management, LLC	–	–	–	–	Not filed
Adage Capital Partners GP, L.L.C.	–	–	–	–	Not filed
UBS Group AG	–	–	–	–	Not filed
Vanguard Portfolio Management LLC	–	–	–	–	Not filed
Morgan Stanley	–	–	–	–	Not filed
Candriam Luxembourg S.C.A.	–	–	–	–	Not filed
Foresite Capital Management VI LLC	–	–	–	–	Not filed
Northern Trust Corp	–	–	–	–	Not filed
Citadel Advisors LLC	–	–	–	–	Not filed
RTW Investments, LP	–	–	–	–	Not filed
Charles Schwab Investment Management Inc	–	–	–	–	Not filed
Millennium Management LLC	–	–	–	–	Not filed
Eagle Health Investments LP	–	–	–	–	Not filed
Vanguard Fiduciary Trust Co	–	–	–	–	Not filed
Halter Ferguson Financial Inc.	–	–	–	–	Not filed
First Trust Advisors LP	–	–	–	–	Not filed
Price T Rowe Associates Inc	–	–	–	–	Not filed
Nuveen, LLC	–	–	–	–	Not filed
Newtyn Management, LLC	–	–	–	–	Not filed
Moore Capital Management, LP	–	–	–	–	Not filed
Goldman Sachs Group Inc	–	–	–	–	Not filed
ADAR1 Capital Management, LLC	–	–	–	–	Not filed
Bank of New York Mellon Corp	–	–	–	–	Not filed
AdvisorShares Investments LLC	–	–	–	–	Not filed
Two Sigma Investments, LP	–	–	–	–	Not filed
OrbiMed Advisors LLC	–	–	–	–	Not filed
Brown University	–	–	–	–	Not filed
Woodline Partners LP	–	–	–	–	Not filed
Boussard & Gavaudan Gestion SAS	–	–	–	–	Not filed
JGP Global Gestao de Recursos Ltda.	–	–	–	–	Not filed
Bank of America Corp	–	–	–	–	Not filed
UBS Asset Management Americas Inc	–	–	–	–	Not filed
Sumitomo Mitsui Trust Holdings, Inc.	–	–	–	–	Not filed
Susquehanna International Group, LLP	–	–	–	–	Not filed
Nikko Asset Management Americas, Inc.	–	–	–	–	Not filed
Swiss National Bank	–	–	–	–	Not filed
Rhumbline Advisers	–	–	–	–	Not filed
Man Group plc	–	–	–	–	Not filed
Deutsche Bank AG	–	–	–	–	Not filed
BIT Capital GmbH	–	–	–	–	Not filed
Voya Investment Management LLC	–	–	–	–	Not filed
Wells Fargo & Company	–	–	–	–	Not filed
JPMorgan Chase & Co	–	–	–	–	Not filed
Jefferies Financial Group Inc.	–	–	–	–	Not filed
California State Teachers Retirement System	–	–	–	–	Not filed
Warm Springs Advisors Inc.	–	–	–	–	Not filed
CenterBook Partners LP	–	–	–	–	Not filed
Davy Global Fund Management Ltd	–	–	–	–	Not filed
Invesco Ltd.	–	–	–	–	Not filed
Ameriprise Financial Inc	–	–	–	–	Not filed
Citigroup Inc	–	–	–	–	Not filed
Alliancebernstein L.P.	–	–	–	–	Not filed
Jump Financial, LLC	–	–	–	–	Not filed
Catalio Capital Management, LP	–	–	–	–	Not filed
Axxion S.A.	–	–	–	–	Not filed
Rockefeller Capital Management L.P.	–	–	–	–	Not filed
MetLife Investment Management	–	–	–	–	Not filed
Burkehill Global Management, LP	–	–	–	–	Not filed
Barclays PLC	–	–	–	–	Not filed
Stableford Capital II LLC	–	–	–	–	Not filed
Legal & General Group Plc	–	–	–	–	Not filed
Vanguard Asset Management, Ltd	–	–	–	–	Not filed
Axon Capital LP	–	–	–	–	Not filed
Diametric Capital, LP	–	–	–	–	Not filed
Mirae Asset Global ETFs Holdings Ltd.	–	–	–	–	Not filed
Manufacturers Life Insurance Company, The	–	–	–	–	Not filed
Carrera Capital Advisors	–	–	–	–	Not filed
GWM Advisors LLC	–	–	–	–	Not filed
LPL Financial LLC	–	–	–	–	Not filed
State of Wisconsin Investment Board	–	–	–	–	Not filed
Marshall Wace, LLP	–	–	–	–	Not filed
MYDA Advisors LLC	–	–	–	–	Not filed
Insigneo Advisory Services, LLC	–	–	–	–	Not filed
Lighthouse Investment Partners, LLC	–	–	–	–	Not filed
Eversept Partners, LP	–	–	–	–	Not filed
Verdad Advisers, LP	–	–	–	–	Not filed
Police & Firemen's Retirement System of New Jersey	–	–	–	–	Not filed
New York State Common Retirement Fund	–	–	–	–	Not filed
Z3 Capital Partners, LLC	–	–	–	–	Not filed
EntryPoint Capital, LLC	–	–	–	–	Not filed
Virtus Investment Advisers, Inc.	–	–	–	–	Not filed
Tudor Investment Corp Et Al	–	–	–	–	Not filed
Jupiter Topco LLC	–	–	–	–	Not filed
State of New Jersey Common Pension Fund D	–	–	–	–	Not filed
Vontobel Holding Ltd.	–	–	–	–	Not filed
Vanguard Global Advisers, LLC	–	–	–	–	Not filed
Truist Financial Corp	–	–	–	–	Not filed
Profund Advisors LLC	–	–	–	–	Not filed
China Universal Asset Management Co., Ltd.	–	–	–	–	Not filed
Winton Group Ltd	–	–	–	–	Not filed
Zurcher Kantonalbank (Zurich Cantonalbank)	–	–	–	–	Not filed
SEI Investments Co	–	–	–	–	Not filed
Vanguard Investments Australia, Ltd.	–	–	–	–	Not filed
Arizona State Retirement System	–	–	–	–	Not filed