Watch BLK. Know when insiders buy.
One email the day a filing lands. Free.
| Report date | Shares short | Change | % of shares out | Avg daily volume | Days to cover |
|---|---|---|---|---|---|
| 2026-08-14 | 1.8M | −363K | 1.17% | 579K | 3.1 |
| 2026-07-31 | 2.2M | +81K | 1.40% | 782K | 2.8 |
| 2026-07-15 | 2.1M | +21K | 1.35% | 808K | 2.6 |