8 institutions reported holding $1.3M of HEIDELBERG MATLS AG F (HDLMY) in SEC 13F filings for 2026-03-31. Largest institutional holders: RHUMBLINE ADVISERS ($693,662), ATLAS CAPITAL ADVISORS INC. ($427,669), GAMMA Investing LLC ($128,772), Salomon & Ludwin, LLC ($30,855), PNC Financial Services Group, Inc. ($20,255). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RHUMBLINE ADVISERS | $693,662 | 16,473 | Added |
| 2 | ATLAS CAPITAL ADVISORS INC. | $427,669 | 10,156 | Trimmed |
| 3 | GAMMA Investing LLC | $128,772 | 3,058 | Trimmed |
| 4 | Salomon & Ludwin, LLC | $30,855 | 748 | Added |
| 5 | PNC Financial Services Group, Inc. | $20,255 | 481 | Added |
| 6 | Strengthening Families & Communities, LLC | $14,179 | 345 | New |
| 7 | NBC SECURITIES, INC. | $12,946 | 315 | Trimmed |
| 8 | Copeland Capital Management, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31