8 institutions reported holding $1.2M of HEIDELBERG MATLS AG F (HDLMY) in SEC 13F filings for 2026-06-30. Largest institutional holders: RHUMBLINE ADVISERS ($638,695), ATLAS CAPITAL ADVISORS INC. ($386,943), GAMMA Investing LLC ($139,294), PNC Financial Services Group, Inc. ($21,717), Strengthening Families & Communities, LLC ($13,166). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RHUMBLINE ADVISERS | $638,695 | 16,764 | Added |
| 2 | ATLAS CAPITAL ADVISORS INC. | $386,943 | 10,156 | Hold |
| 3 | GAMMA Investing LLC | $139,294 | 3,656 | Added |
| 4 | PNC Financial Services Group, Inc. | $21,717 | 570 | Added |
| 5 | Strengthening Families & Communities, LLC | $13,166 | 345 | Hold |
| 6 | Salomon & Ludwin, LLC | $13,023 | 347 | Trimmed |
| 7 | IMA Advisory Services, Inc. | $6,210 | 163 | New |
| 8 | NBC SECURITIES, INC. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30