Advantest Corp.- Spon ADRATEYY
13F holders, Q1 2026 (March 31)16holders +3
4new positions
1sold out
$134.77avg. 13F price*
At the end of Q1 2026, 16 institutions reported holding Advantest Corp.- Spon ADR (ATEYY) in their 13F filings, up 3 from Q4 2025. 4 opened new positions and 1 sold out. The largest holders were Boston Common Asset Management, LLC ($4.3M), Rhumbline Advisers ($2.0M) and Ativo Capital Management LLC ($1.6M).
- Company
- Advantest Corp.- Spon ADR
- CUSIP
- 00762U200
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $72K |
| Exits | 1 | $24K |
All 13F filers, Q4 2025 → Q1 2026: 2,293 shares bought and 8,968 shares sold, net −6,675 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 16 holders
| Boston Common Asset Management, LLC | 0.28% | Reduce -20.7% | 31,800 | $4.3M |
| Rhumbline Advisers | 0.00% | Add +6.9% | 14,944 | $2.0M |
| Ativo Capital Management LLC | 1.41% | Add +0.2% | 11,926 | $1.6M |
| Yousif Capital Management, LLC | 0.01% | No change | 7,597 | $971K |
| GAMMA Investing LLC | 0.03% | Add +7.2% | 5,426 | $737K |
| Canopy Partners, LLC | 0.18% | Reduce -0.3% | 3,765 | $511K |
| Diversified Trust Co. | 0.01% | Add +0.7% | 2,890 | $369K |
| Westside Investment Management, Inc. | 0.02% | Reduce -37.3% | 800 | $109K |
| PNC Financial Services Group, Inc. | 0.00% | Add +36.2% | 613 | $83K |
| Salomon & Ludwin, LLC | 0.01% | Add +76.7% | 530 | $72K |
| Accent Capital Management, LLC | 0.03% | New | 464 | $63K |
| Ancora Advisors LLC | 0.00% | New | 34 | $5K |
| IMA Advisory Services, Inc. | 0.00% | Reduce -13.8% | 25 | $3K |
| First Command Advisory Services, Inc. | 0.00% | New | 21 | $3K |
| Horrell Capital Management, Inc. | 0.00% | New | 13 | $2K |
| Huntington National Bank | 0.00% | Reduce -88.9% | 1 | $136 |
"% of holder's portfolio" is ATEYY's weight in each manager's 13F, not the share of Advantest Corp.- Spon ADR the manager owns.