Who holds it, who is betting against it, and where the big money is moving
Net of large-order buying minus selling, in USD. Over this window: −$210.6K (13 inflow days, 7 outflow days).
The five largest holders on file together own 46.3% of shares outstanding.
Reported short interest has risen from 3.75% to 5.77% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).
| Report date | Shares short | % of float | Days to cover |
|---|---|---|---|
| 15 Sep 2026 | 2,483,136 | 5.8% | 6.0 |
| 31 Aug 2026 | 2,148,931 | 5.0% | 6.2 |
| 14 Aug 2026 | 1,760,284 | 4.1% | 9.0 |
| 31 Jul 2026 | 1,653,810 | 3.8% | 7.6 |
| 15 Jul 2026 | 1,666,306 | 3.9% | 7.1 |
| 30 Jun 2026 | 1,619,170 | 3.8% | 4.9 |
No comments yet — be the first to weigh in on GRBK.