11 institutions reported holding $6.5M of TDK CORP SPONSORED ADR (TTDKY) in SEC 13F filings for 2026-06-30. Largest institutional holders: Boston Common Asset Management, LLC ($4.7M), RHUMBLINE ADVISERS ($1.3M), GAMMA Investing LLC ($304,744), Henry James International Management Inc. ($242,043), Salomon & Ludwin, LLC ($42,931). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Boston Common Asset Management, LLC | $4.7M | 207,984 | Added |
| 2 | RHUMBLINE ADVISERS | $1.3M | 56,045 | Added |
| 3 | GAMMA Investing LLC | $304,744 | 13,629 | Added |
| 4 | Henry James International Management Inc. | $242,043 | 11,019 | New |
| 5 | Salomon & Ludwin, LLC | $42,931 | 1,911 | Trimmed |
| 6 | ATLAS CAPITAL ADVISORS INC. | $27,681 | 1,238 | New |
| 7 | PNC Financial Services Group, Inc. | $8,497 | 380 | Added |
| 8 | THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. | $8,429 | 377 | Hold |
| 9 | Gleason Group, Inc. | $5,250 | 239 | New |
| 10 | RICHARDSON FINANCIAL SERVICES INC. | $1,006 | 45 | Hold |
| 11 | Golden State Equity Partners | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30