5 institutions reported holding $1.2M of SUMITOMO METAL MININ UNS ADR (SMMYY) in SEC 13F filings for 2026-03-31. Largest institutional holders: RHUMBLINE ADVISERS ($703,792), GAMMA Investing LLC ($321,149), Diversified Trust Co ($157,420), Salomon & Ludwin, LLC ($26,604), PARADIGM ASSET MANAGEMENT CO LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RHUMBLINE ADVISERS | $703,792 | 48,875 | Added |
| 2 | GAMMA Investing LLC | $321,149 | 22,302 | Added |
| 3 | Diversified Trust Co | $157,420 | 11,313 | Trimmed |
| 4 | Salomon & Ludwin, LLC | $26,604 | 1,811 | Trimmed |
| 5 | PARADIGM ASSET MANAGEMENT CO LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31