5 institutions reported holding $171,070 of DIPLOMA PLC-UNSP ADR (DPMAY) in SEC 13F filings for 2026-03-31. Largest institutional holders: RHUMBLINE ADVISERS ($146,236), GAMMA Investing LLC ($18,238), NBC SECURITIES, INC. ($4,247), Ancora Advisors LLC ($2,349), HANCOCK WHITNEY CORP ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RHUMBLINE ADVISERS | $146,236 | 7,345 | Hold |
| 2 | GAMMA Investing LLC | $18,238 | 916 | Added |
| 3 | NBC SECURITIES, INC. | $4,247 | 216 | Hold |
| 4 | Ancora Advisors LLC | $2,349 | 118 | Trimmed |
| 5 | HANCOCK WHITNEY CORP | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31