ADVANTEST CORP- SPON ADR (ATEYY) Institutional Ownership and Insiders Activity

ADVANTEST CORP- SPON ADR (ATEYY) is widely held by institutional investors, with 19 firms reporting positions valued at approximately $18.63M based on SEC Form 13F filings for the quarter ended September 30, 2026.

Boston Common Asset Management, Llc is the largest disclosed holder, reporting approximately $7.43M in ATEYY holdings in its latest filing.

Institutional Holders

19

Total Reported Value

$18.63M

Largest Holder

Boston Common Asset Management, Llc

Largest Position

$7.43M

Insider Transactions (90d)

0

Latest Filing Quarter

Q3 2026

New Institutional Positions

4

Funds Exiting Positions

1