20 institutions reported holding $72.5M of Corning Inc (RKLX) in SEC 13F filings for 2026-06-30. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($22.4M), CITADEL ADVISORS LLC ($17.1M), UBS Group AG ($11.3M), JANE STREET GROUP, LLC ($7.9M), VESTOR CAPITAL, LLC ($5.9M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $22.4M | 502,761 | Added |
| 2 | CITADEL ADVISORS LLC | $17.1M | 384,100 | Added |
| 3 | UBS Group AG | $11.3M | 254,218 | Added |
| 4 | JANE STREET GROUP, LLC | $7.9M | 177,600 | Added |
| 5 | VESTOR CAPITAL, LLC | $5.9M | 23,060 | New |
| 6 | LMR Partners LLP | $2.7M | 60,000 | New |
| 7 | HRT FINANCIAL LP | $1.4M | 31,746 | Added |
| 8 | Belvedere Trading LLC | $1.2M | 26,276 | Trimmed |
| 9 | GOLDMAN SACHS GROUP INC | $1.1M | 24,827 | New |
| 10 | StoneX Group Inc. | $1.0M | 9,941 | Trimmed |
| 11 | T3 Companies, LLC | $258,403 | 5,799 | New |
| 12 | Optiver Holding B.V. | $126,773 | 2,845 | Trimmed |
| 13 | Farther Finance Advisors, LLC | $66,172 | 1,485 | New |
| 14 | GROUP ONE TRADING LLC | $24,152 | 542 | New |
| 15 | HOLLENCREST CAPITAL MANAGEMENT | $4,456 | 100 | New |
| 16 | IMC-Chicago, LLC | $0 | 0 | Exited |
| 17 | Jump Financial, LLC | $0 | 0 | Exited |
| 18 | Delos Wealth Advisors, LLC | $0 | 0 | New |
| 19 | MORGAN STANLEY | $0 | 0 | Exited |
| 20 | BANK OF AMERICA CORP /DE/ | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30