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.

Q2 2021 vs. Q1 2021

How the institutions holding AtaiBeckley Inc. changed between Q1 2021 and Q2 2021.

All holders in Q2 2021 All holders in Q1 2021

13F holders of ATAI: Q1 2021 compared with Q2 2021
Measure	Q1 2021	Q2 2021	Change
Holders	0	44	+44
Shares	0	11.6M	+11.6M
Value	$0	$212.2M	+$212.2M

New holders (44)

Institutions that held AtaiBeckley Inc. at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to ATAI in Q2 2021
Institution	Shares	Value	% of portfolio
Falcon Edge Capital, LP	2,626,473	$48.6M	3.11%
Pura Vida Investments, LLC	1,371,824	$23.2M	1.66%
Morgan Stanley	1,023,489	$18.9M	0.00%
Woodline Partners LP	791,585	$14.6M	0.27%
Citadel Advisors LLC	651,488	$12.1M	0.01%
Price T Rowe Associates Inc	650,000	$12.0M	0.00%
Millennium Management LLC	519,486	$9.61M	0.01%
Gilder Gagnon Howe & Co LLC	437,373	$8.09M	0.04%
Healthcare of Ontario Pension Plan Trust Fund	420,500	$7.78M	0.02%
Brown University	390,000	$7.21M	1.20%
Avidity Partners Management LP	350,987	$6.49M	0.18%
Element Capital Management LLC	345,000	$6.38M	1.01%
Rock Springs Capital Management LP	315,028	$5.83M	0.12%
Antara Capital LP	258,080	$5.51M	1.00%
Newtyn Management, LLC	255,136	$3.61M	1.00%
Alyeska Investment Group, L.P.	175,000	$3.24M	0.04%
Empyrean Capital Partners, LP	150,000	$2.77M	0.06%
Walleye Capital LLC	150,000	$2.77M	0.10%
Geode Capital Management, LLC	108,543	$2.01M	0.00%
Highland Capital Management Fund Advisors, L.P.	90,000	$1.67M	0.37%
K2 Principal Fund, L.P.	106,672	$1.58M	0.18%
Monashee Investment Management LLC	80,000	$1.48M	0.18%
HealthCor Management, L.P.	75,000	$1.39M	0.06%
Pinz Capital Management, LP	48,200	$892.0K	0.27%
TD Asset Management Inc	46,574	$722.0K	0.00%
Tudor Investment Corp Et Al	35,000	$648.0K	0.01%
Ghisallo Capital Management LLC	35,000	$648.0K	0.02%
Squarepoint Ops LLC	26,908	$498.0K	0.00%
Magnetar Financial LLC	22,368	$414.0K	0.00%
Cinctive Capital Management LP	17,500	$324.0K	0.02%
Capstone Investment Advisors, LLC	15,000	$278.0K	0.01%
Point72 Hong Kong Ltd	11,705	$217.0K	0.01%
Weiss Multi-Strategy Advisers LLC	10,000	$185.0K	0.00%
Caas Capital Management LP	10,000	$185.0K	0.01%
Tower Research Capital LLC (TRC)	9,854	$182.0K	0.00%
Advisor Group Holdings, Inc.	1,900	$36.0K	0.00%
Cutler Group LP	1,200	$22.0K	0.00%
US Bancorp	1,000	$19.0K	0.00%
Concord Wealth Partners	750	$14.0K	0.00%
Royal Bank of Canada	445	$8.00K	0.00%
Bank of America Corp	150	$3.00K	0.00%
UBS Group AG	100	$2.00K	0.00%
Captrust Financial Advisors	80	$1.00K	0.00%
FNY Investment Advisers, LLC	50	$0	0.00%

Sold out (0)

Institutions that held AtaiBeckley Inc. at the end of Q1 2021 and filed for Q2 2021 without it.

None.