20 institutions reported holding $17.3M of ADVANTEST CORP FSPONSORED ADR 1 ADR REPS 1 ORD SHS (ATEYY) in SEC 13F filings for 2026-06-30. Largest institutional holders: Boston Common Asset Management, LLC ($6.7M), RHUMBLINE ADVISERS ($3.6M), Ativo Capital Management LLC ($2.8M), GAMMA Investing LLC ($1.2M), Canopy Partners, LLC ($783,554). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Boston Common Asset Management, LLC | $6.7M | 32,439 | Added |
| 2 | RHUMBLINE ADVISERS | $3.6M | 17,524 | Added |
| 3 | Ativo Capital Management LLC | $2.8M | 13,637 | Added |
| 4 | GAMMA Investing LLC | $1.2M | 5,684 | Added |
| 5 | Canopy Partners, LLC | $783,554 | 3,766 | Added |
| 6 | Diversified Trust Co | $615,858 | 3,095 | Added |
| 7 | YOUSIF CAPITAL MANAGEMENT, LLC | $451,099 | 2,267 | Trimmed |
| 8 | Calydon Capital | $298,150 | 1,433 | New |
| 9 | Enterprise Financial Services Corp | $251,959 | 1,211 | New |
| 10 | Westside Investment Management, Inc. | $166,448 | 800 | Hold |
| 11 | PNC Financial Services Group, Inc. | $146,474 | 704 | Added |
| 12 | Salomon & Ludwin, LLC | $82,325 | 445 | Trimmed |
| 13 | ATLAS CAPITAL ADVISORS INC. | $42,361 | 270 | New |
| 14 | First Command Advisory Services, Inc. | $34,746 | 167 | Added |
| 15 | IMA Advisory Services, Inc. | $26,424 | 127 | Added |
| 16 | HUNTINGTON NATIONAL BANK | $11,651 | 56 | Added |
| 17 | Gleason Group, Inc. | $5,174 | 26 | New |
| 18 | Horrell Capital Management, Inc. | $2,705 | 13 | Hold |
| 19 | Ancora Advisors LLC | $0 | 0 | Exited |
| 20 | Accent Capital Management, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30