ATAI — Ataibeckley Inc Institutional Holders · Q2 2026

Name: Who Owns ATAI? 264 Institutions Hold $731M (Q2 2026)
Creator: ko.io

Who owns Ataibeckley Inc (ATAI)? 264 institutions reported holding $730.96M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: BlackRock, Inc. ($134.8M), Vanguard Group Inc ($93.5M), Deep Track Capital, LP ($76.0M).

Rank	Institution	Value	Shares	Change
1	BlackRock, Inc.	$134.8M	25.6M	Added
2	VANGUARD GROUP INC	$93.5M	17.7M	Added
3	Deep Track Capital, LP	$76.0M	14.4M	Added
4	STATE STREET CORP	$43.7M	8.3M	Added
5	GEODE CAPITAL MANAGEMENT, LLC	$36.5M	6.9M	Added
6	ADAGE CAPITAL PARTNERS GP, L.L.C.	$29.7M	5.6M	Hold
7	UBS Group AG	$23.3M	4.4M	Trimmed
8	MORGAN STANLEY	$20.3M	3.8M	Trimmed
9	Candriam S.C.A.	$16.0M	3.0M	Trimmed
10	Foresite Capital Management VI LLC	$14.5M	2.8M	Hold
11	NORTHERN TRUST CORP	$13.6M	2.6M	Added
12	CITADEL ADVISORS LLC	$13.3M	2.5M	Added
13	SUSQUEHANNA INTERNATIONAL GROUP, LLP	$12.1M	2.3M	Trimmed
14	RTW INVESTMENTS, LP	$10.5M	2.0M	Hold
15	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	$10.4M	2.0M	Added
16	MILLENNIUM MANAGEMENT LLC	$9.3M	1.8M	Trimmed
17	Eagle Health Investments LP	$9.0M	1.7M	Hold
18	Halter Ferguson Financial Inc.	$7.8M	1.5M	New
19	FIRST TRUST ADVISORS LP	$7.2M	1.4M	New
20	PRICE T ROWE ASSOCIATES INC /MD/	$7.1M	1.4M	New
21	Nuveen, LLC	$6.8M	1.3M	Added
22	Newtyn Management, LLC	$6.3M	1.2M	Trimmed
23	GOLDMAN SACHS GROUP INC	$5.4M	1.0M	Added
24	MOORE CAPITAL MANAGEMENT, LP	$5.0M	952,380	Hold
25	ADAR1 Capital Management, LLC	$4.8M	913,242	Hold

Source: SEC Form 13F filings · as of 2026-06-30