12 institutions reported holding $3.4M of Sumitomo Corp (SSUMY) in SEC 13F filings for 2026-06-30. Largest institutional holders: RHUMBLINE ADVISERS ($1.8M), Henry James International Management Inc. ($861,257), GAMMA Investing LLC ($515,805), ATLAS CAPITAL ADVISORS INC. ($162,502), Salomon & Ludwin, LLC ($41,136). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RHUMBLINE ADVISERS | $1.8M | 46,792 | Added |
| 2 | Henry James International Management Inc. | $861,257 | 22,493 | Added |
| 3 | GAMMA Investing LLC | $515,805 | 13,471 | Added |
| 4 | ATLAS CAPITAL ADVISORS INC. | $162,502 | 4,244 | Added |
| 5 | Salomon & Ludwin, LLC | $41,136 | 1,056 | Added |
| 6 | PNC Financial Services Group, Inc. | $5,246 | 137 | Added |
| 7 | First Command Advisory Services, Inc. | $4,748 | 124 | New |
| 8 | IMA Advisory Services, Inc. | $3,561 | 93 | Added |
| 9 | Gleason Group, Inc. | $3,067 | 80 | New |
| 10 | YOUSIF CAPITAL MANAGEMENT, LLC | $0 | 0 | Exited |
| 11 | Ancora Advisors LLC | $0 | 0 | Exited |
| 12 | HANTZ FINANCIAL SERVICES, INC. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30