5 institutions reported holding $1.9M of GREEN BRICK PARTNERS INC (GRBK-PA) in SEC 13F filings for 2026-03-31. Largest institutional holders: IMC-Chicago, LLC ($870,075), SHIKIAR ASSET MANAGEMENT INC ($739,000), SIMPLEX TRADING, LLC ($296,470), THOMPSON INVESTMENT MANAGEMENT, INC. ($32,222), GROUP ONE TRADING LLC ($6,445). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $870,075 | 13,500 | Added |
| 2 | SHIKIAR ASSET MANAGEMENT INC | $739,000 | 34,400 | Trimmed |
| 3 | SIMPLEX TRADING, LLC | $296,470 | 4,600 | Trimmed |
| 4 | THOMPSON INVESTMENT MANAGEMENT, INC. | $32,222 | 1,500 | Hold |
| 5 | GROUP ONE TRADING LLC | $6,445 | 100 | New |
Source: SEC Form 13F filings · as of 2026-03-31