ATAIBECKLEY INC (ATAI) is held by 93 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is VANGUARD CAPITAL MANAGEMENT LLC as of Q1 2026.

Are institutions buying or selling ATAI?

In Q1 2026, 91 institutions opened or increased positions in ATAIBECKLEY INC while 4 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on ATAI?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for ATAIBECKLEY INC.

How many hedge funds hold ATAI?

93 institutional investors report holding ATAIBECKLEY INC (ATAI) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into ATAI?

As of Q1 2026, tracked institutions in ATAIBECKLEY INC show 91 buyers versus 4 sellers — net inflows.

ATAIBECKLEY INC

ATAI·04650F101·US·Common Stock·Healthcare - Biotechnology-13D/G

Holders

Avg rating(18 Elite)

$260.9M

Total Value

96% (96)

Fund Consensus

91 buying - 4 selling

Smart Money Verdict

View all

Held by 93 funds

18 elite

Who's Trading

InsiderCJCraig Kevin JamesSell $213KApr 20, 2026

InsiderCJCraig Kevin JamesSell $355KMar 20, 2026

InsiderFCFeilding-Mellen CosmoSell $154KJan 2, 2026

InsiderALApeiron Investment Group Ltd.Buy $19.0MAug 14, 2025

ActivistGFGalaxy Group Funding ECI U LLC4.2%May 27, 2025

InsiderALApeiron Investment Group Ltd.Buy $2.5MMar 24, 2025

InsiderRSRao SrinivasSell $102KMar 21, 2025

InsiderJNJohnson Anne NagengastSell $45KMar 21, 2025

InsiderKSKirpekar SahilSell $66KMar 21, 2025

InsiderSFShort Glenn FrankSell $18KMar 21, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
VAVANGUARD CAPITAL MANAGEMENT LLC	New	11.8M	$41.6M	0.0%	+40.11%	40
UBS Group AG	New	7.4M	$26.3M	0.0%	+40.11%	40
BlackRock, Inc.	New	6.8M	$24.2M	0.0%	+40.11%	40
AGADAGE CAPITAL PARTNERS GP, L.L.C.	New	5.6M	$20M	0.0%	+40.11%	39
SUSQUEHANNA INTERNATIONAL GROUP, LLP	New	5.3M	$18.7M	0.0%	+40.11%	39
MILLENNIUM MANAGEMENT LLC	New	4.4M	$15.4M	0.0%	+40.11%	39
MORGAN STANLEY	New	3.9M	$13.6M	0.0%	+40.11%	39
Candriam S.C.A.	New	3.1M	$10.9M	0.1%	+40.11%	38
Qube Research & Technologies Ltd	New	2.9M	$10.2M	0.0%	+40.11%	38
GEODE CAPITAL MANAGEMENT, LLC	New	2.5M	$8.9M	0.0%	+40.11%	38
MWMARSHALL WACE, LLP	Decreased	2.4M(-11.6%)	$8.4M	0.0%	+29.90%	0
RTW INVESTMENTS, LP	New	2M	$7.1M	0.1%	+40.11%	38
TWO SIGMA INVESTMENTS, LP	New	2M	$7M	0.0%	+40.11%	38
VFVANGUARD FIDUCIARY TRUST CO	New	1.3M	$4.4M	0.0%	+40.11%	37
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	New	1.2M	$4.2M	0.0%	+40.11%	37
STATE STREET CORP	New	1.1M	$4.1M	0.0%	+40.11%	37
MOORE CAPITAL MANAGEMENT, LP	New	952,380	$3.4M	0.1%	+40.11%	37
BANK OF AMERICA CORP /DE/	New	819,664	$2.9M	0.0%	+40.11%	36
Point72 Asset Management, L.P.	New	664,724	$2.4M	0.0%	+40.11%	36
Woodline Partners LP	New	600,000	$2.1M	0.0%	+40.11%	36