Specialty glass, optical fiber and ceramics
| Filer | 13FScore | This quarter | Shares | Value | % of their book |
|---|---|---|---|---|---|
| Ancora | 38 | Added +35% | 21,586 | $2,935,002 | 0.1% |
| David Tepper / Appaloosa | 93 | Trimmed -28% | 1,129,500 | $153,578,115 | 2.6% |
Every tracked holder of this name, sorted new → added → flat → trimmed. Shares = reported 13F share count; Value as reported (a few managers file values in $thousands). Generated 2026-06-27.