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
STRS Ohio	–	–	–	–	Not filed
Squarepoint Ops LLC	–	–	–	–	Not filed
HighTower Advisors, LLC	–	–	–	–	Not filed
Walleye Capital LLC	–	–	–	–	Not filed
Fore Capital, LLC	–	–	–	–	Not filed
Quantinno Capital Management LP	–	–	–	–	Not filed
Trueblood Wealth Management, LLC	–	–	–	–	Not filed
BNP Paribas Arbitrage, SA	–	–	–	–	Not filed
Intech Investment Management LLC	–	–	–	–	Not filed
ProShare Advisors LLC	–	–	–	–	Not filed
Prudential Financial Inc	–	–	–	–	Not filed
Rafferty Asset Management, LLC	–	–	–	–	Not filed
CAPROCK Group, Inc.	–	–	–	–	Not filed
Balyasny Asset Management LLC	–	–	–	–	Not filed
Chiron Capital Management, LLC	–	–	–	–	Not filed
Claudia M.P. Batlle, CRP (R) LLC	–	–	–	–	Not filed
KLP Kapitalforvaltning AS	–	–	–	–	Not filed
Amundi	–	–	–	–	Not filed
Axq Capital, LP	–	–	–	–	Not filed
SG Americas Securities, LLC	–	–	–	–	Not filed
Ruane, Cunniff & Goldfarb L.P.	–	–	–	–	Not filed
North Star Investment Management Corp.	–	–	–	–	Not filed
Pictet Asset Management Holding SA	–	–	–	–	Not filed
MAI Capital Management	–	–	–	–	Not filed
AQR Capital Management LLC	–	–	–	–	Not filed
Cresset Asset Management, LLC	–	–	–	–	Not filed
Victory Capital Management Inc	–	–	–	–	Not filed
Thoroughbred Financial Services, LLC	–	–	–	–	Not filed
Raymond James Financial Inc	–	–	–	–	Not filed
Adalta Capital Management LLC	–	–	–	–	Not filed
Action Point Financial Planning, LLC	–	–	–	–	Not filed
Xponance, Inc.	–	–	–	–	Not filed
Creative Planning	–	–	–	–	Not filed
Kingswood Wealth Advisors, LLC	–	–	–	–	Not filed
FreeGulliver LLC	–	–	–	–	Not filed
Ameritas Investment Partners, Inc.	–	–	–	–	Not filed
Robertson Stephens Wealth Management, LLC	–	–	–	–	Not filed
Teacher Retirement System of Texas	–	–	–	–	Not filed
Janney Montgomery Scott LLC	–	–	–	–	Not filed
Russell Investments Group, Ltd.	–	–	–	–	Not filed
Bright Futures Wealth Management, LLC.	–	–	–	–	Not filed
Wedmont Private Capital	–	–	–	–	Not filed
Cambridge Investment Research Advisors, Inc.	–	–	–	–	Not filed
Simon Quick Advisors, LLC	–	–	–	–	Not filed
Strategic Blueprint, LLC	–	–	–	–	Not filed
Principal Financial Group Inc	–	–	–	–	Not filed
Neuberger Berman Group LLC	–	–	–	–	Not filed
Landscape Capital Management, L.L.C.	–	–	–	–	Not filed
Mercer Global Advisors Inc	–	–	–	–	Not filed
Royal Bank of Canada	–	–	–	–	Not filed
Regent Peak Wealth Advisors LLC	–	–	–	–	Not filed
Hexagon Capital Partners LLC	–	–	–	–	Not filed
Snowden Capital Advisors LLC	–	–	–	–	Not filed
Cetera Investment Advisers	–	–	–	–	Not filed
Shay Capital LLC	–	–	–	–	Not filed
Verdence Capital Advisors LLC	–	–	–	–	Not filed
Bank of Montreal	–	–	–	–	Not filed
Stonehage Fleming Financial Services Holdings Ltd	–	–	–	–	Not filed
Baker Avenue Asset Management, LP	–	–	–	–	Not filed
Moneta Group Investment Advisors LLC	–	–	–	–	Not filed
Canada Pension Plan Investment Board	–	–	–	–	Not filed
CI Private Wealth, LLC	–	–	–	–	Not filed
CIBC Bancorp USA Inc.	–	–	–	–	Not filed
Miracle Mile Advisors, LLC	–	–	–	–	Not filed
Audent Global Asset Management, LLC	–	–	–	–	Not filed
Resolute Partners Group	–	–	–	–	Not filed
Swiss Life Asset Management Ltd	–	–	–	–	Not filed
Mirae Asset Global Investments Co., Ltd.	–	–	–	–	Not filed
Parallel Advisors, LLC	–	–	–	–	Not filed
Macquarie Group Ltd	–	–	–	–	Not filed
D. E. Shaw & Co., Inc.	–	–	–	–	Not filed
Universal- Beteiligungs- und Servicegesellschaft mbH	–	–	–	–	Not filed
Jones Financial Companies LLLP	–	–	–	–	Not filed
CRA Financial Services, LLC	–	–	–	–	Not filed
State of Wyoming	–	–	–	–	Not filed
Advisor Group Holdings, Inc.	–	–	–	–	Not filed
Victory Financial Group, LLC	–	–	–	–	Not filed
Hunter Perkins Capital Management, LLC	–	–	–	–	Not filed
CIBC Asset Management Inc	–	–	–	–	Not filed
Prelude Capital Management, LLC	–	–	–	–	Not filed
Tower Research Capital LLC (TRC)	–	–	–	–	Not filed
WealthTrust Asset Management, LLC	–	–	–	–	Not filed
Myecfo, LLC	–	–	–	–	Not filed
Captrust Financial Advisors	–	–	–	–	Not filed
Verity Asset Management, Inc.	–	–	–	–	Not filed
Williams Jones Wealth Management, LLC.	–	–	–	–	Not filed
Gould Capital, LLC	–	–	–	–	Not filed
GF Fund Management Co. Ltd.	–	–	–	–	Not filed
Steward Partners Investment Advisory, LLC	–	–	–	–	Not filed
Evolution Wealth Management Inc.	–	–	–	–	Not filed
Federation des caisses Desjardins du Quebec	–	–	–	–	Not filed
Crewe Advisors LLC	–	–	–	–	Not filed
Persistent Asset Partners Ltd	–	–	–	–	Not filed
Nisa Investment Advisors, LLC	–	–	–	–	Not filed
FMR LLC	–	–	–	–	Not filed
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	–	–	–	–	Not filed
Caitong International Asset Management Co., Ltd	–	–	–	–	Not filed
Westside Investment Management, Inc.	–	–	–	–	Not filed
SBI Securities Co., Ltd.	–	–	–	–	Not filed
Foster Dykema Cabot & Partners, LLC	–	–	–	–	Not filed