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.

Q3 2021 vs. Q2 2021

How the institutions holding AtaiBeckley Inc. changed between Q2 2021 and Q3 2021.

All holders in Q3 2021 All holders in Q2 2021

13F holders of ATAI: Q2 2021 compared with Q3 2021
Measure	Q2 2021	Q3 2021	Change
Holders	44	54	+10
Shares	11.6M	11.6M	−49.4K (−0.4%)
Value	$212.2M	$169.9M	−$42.3M (−20.0%)

New holders (21)

Institutions that held AtaiBeckley Inc. at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to ATAI in Q3 2021
Institution	Shares	Value	% of portfolio
Mirae Asset Global Investments Co., Ltd.	293,062	$4.33M	0.01%
Graticule Asia Macro Advisors LLC	275,000	$4.07M	0.77%
Global Frontier Investments LLC	192,000	$2.84M	2.07%
McKinley Capital Management LLC /Delaware	110,790	$1.64M	0.15%
BIT Capital GmbH	103,232	$1.53M	0.09%
Citigroup Inc	57,879	$856.0K	0.00%
Northern Trust Corp	54,031	$800.0K	0.00%
Penserra Capital Management LLC	32,538	$481.0K	0.01%
Cubist Systematic Strategies, LLC	27,868	$412.0K	0.01%
Allianz Asset Management GmbH	22,365	$331.0K	0.00%
AdvisorShares Investments LLC	11,758	$174.0K	0.03%
Eagle Bay Advisors LLC	2,600	$38.0K	0.02%
Signaturefd, LLC	1,150	$17.0K	0.00%
Private Ocean, LLC	1,000	$15.0K	0.00%
Sonora Investment Management, LLC	700	$10.0K	0.00%
Koshinski Asset Management, Inc.	540	$7.99K	0.00%
Howe & Rusling Inc	75	$1.00K	0.00%
North Star Investment Management Corp.	100	$1.00K	0.00%
Manchester Capital Management LLC	82	$1.00K	0.00%
Gerber Kawasaki Wealth & Investment Management	100	$1.00K	0.00%
Westside Investment Management, Inc.	550	–	–

Sold out (11)

Institutions that held AtaiBeckley Inc. at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of ATAI in Q3 2021
Institution	Shares, Q2 2021	Value, Q2 2021
Empyrean Capital Partners, LP	150,000	$2.77M
Highland Capital Management Fund Advisors, L.P.	90,000	$1.67M
Monashee Investment Management LLC	80,000	$1.48M
Pinz Capital Management, LP	48,200	$892.0K
Magnetar Financial LLC	22,368	$414.0K
Cinctive Capital Management LP	17,500	$324.0K
Capstone Investment Advisors, LLC	15,000	$278.0K
Point72 Hong Kong Ltd	11,705	$217.0K
Tower Research Capital LLC (TRC)	9,854	$182.0K
Cutler Group LP	1,200	$22.0K
FNY Investment Advisers, LLC	50	$0