4 institutions reported holding $2.8M of SABRE CORP (SABRP) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($1.4M), IMC-Chicago, LLC ($986,435), SIMPLEX TRADING, LLC ($227,940), HRT FINANCIAL LP ($214,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $1.4M | 945,100 | Trimmed |
| 2 | IMC-Chicago, LLC | $986,435 | 680,300 | Added |
| 3 | SIMPLEX TRADING, LLC | $227,940 | 157,200 | Trimmed |
| 4 | HRT FINANCIAL LP | $214,000 | 148,000 | Added |
Source: SEC Form 13F filings · as of 2026-03-31