Advantest Corp.- Spon ADRATEYY

13F holders, Q3 2025 (September 30)
11holders −3
1new positions
3sold out
$99.73avg. 13F price*

At the end of Q3 2025, 11 institutions reported holding Advantest Corp.- Spon ADR (ATEYY) in their 13F filings, down 3 from Q2 2025. 1 opened new positions and 3 sold out. The largest holders were Boston Common Asset Management, LLC ($5.1M), Madison Asset Management, LLC ($1.5M) and Rhumbline Advisers ($1.1M).

Company
Advantest Corp.- Spon ADR
CUSIP
00762U200
Latest filing quarter
Q2 2026

History

Number of 13F holders

05101520 Q1 2024: 8Q1 2024Q2 2024: 7Q2 2024Q3 2024: 7Q3 2024Q4 2024: 8Q4 2024Q1 2025: 7Q1 2025Q2 2025: 14Q2 2025Q3 2025: 11Q3 2025Q4 2025: 13Q4 2025Q1 2026: 16Q1 2026Q2 2026: 18Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions1$264K
Exits3$508K

All 13F filers, Q2 2025 → Q3 2025: 6,748 shares bought and 20,593 shares sold, net −13,845 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 11 holders

Boston Common Asset Management, LLC 0.14% Add +5.1% 51,488 $5.1M
Madison Asset Management, LLC 0.02% Reduce -36.8% 14,946 $1.5M
Rhumbline Advisers 0.00% Reduce -3.4% 10,549 $1.1M
Yousif Capital Management, LLC 0.01% Reduce -37.7% 7,672 $761K
GAMMA Investing LLC 0.03% Add +9.7% 4,696 $472K
Canopy Partners, LLC 0.13% Add +1.6% 3,948 $397K
Diversified Trust Co. 0.01% New 2,664 $264K
Westside Investment Management, Inc. 0.03% Add +100.0% 1,752 $179K
Salomon & Ludwin, LLC 0.00% Add +2600.0% 243 $26K
PNC Financial Services Group, Inc. 0.00% Reduce -1.5% 130 $13K
Huntington National Bank 0.00% No change 1 $101

"% of holder's portfolio" is ATEYY's weight in each manager's 13F, not the share of Advantest Corp.- Spon ADR the manager owns.