3 institutions reported holding $2.0M of RAYONIER ADVANCED MATLS INC (RYAM-PA) in SEC 13F filings for 2026-06-30. Largest institutional holders: GROUP ONE TRADING LLC ($964,422), SIMPLEX TRADING, LLC ($851,238), IMC-Chicago, LLC ($183,138). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $964,422 | 122,700 | Added |
| 2 | SIMPLEX TRADING, LLC | $851,238 | 108,300 | Trimmed |
| 3 | IMC-Chicago, LLC | $183,138 | 23,300 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30