5 institutions reported holding $2.1M of GREEN BRICK PARTNERS PFD SER A (GRBK-PA) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($1.1M), SHIKIAR ASSET MANAGEMENT INC ($747,000), SIMPLEX TRADING, LLC ($192,096), THOMPSON INVESTMENT MANAGEMENT, INC. ($32,565), GROUP ONE TRADING LLC ($8,004). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $1.1M | 13,400 | Trimmed |
| 2 | SHIKIAR ASSET MANAGEMENT INC | $747,000 | 34,400 | Hold |
| 3 | SIMPLEX TRADING, LLC | $192,096 | 2,400 | Trimmed |
| 4 | THOMPSON INVESTMENT MANAGEMENT, INC. | $32,565 | 1,500 | Hold |
| 5 | GROUP ONE TRADING LLC | $8,004 | 100 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30