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RHUMBLINE ADVISERS

Position in ATAI — AtaiBeckley Inc.

CIK 1115418 BOSTON, MA

Position in ATAI

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$2,105,027
New position
Shares Held
399,436
first reported quarter
Ownership
0.108%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#40
of 237 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority Sole 20% Shared 0% None 80%

Position in Biotechnology

Healthcare · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $1,404,724,682 across 329 Biotechnology names. ATAI ranks #93 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ATAI

Export CSV
1 filing row on record
Report Date Value (USD) Shares
2026-06-30 $2,105,027 399,436