BlackRock, Inc. short interest
Short interest in BlackRock, Inc. was 1.9 million shares at the 31 August 2026 settlement, up 5.4% on the previous settlement, with 3.25 days to cover at an average daily volume of 587,410 shares, as reported to FINRA.
| Settlement | Shares short | Change | Average daily volume | Days to cover |
|---|---|---|---|---|
| 31 August 2026 | 1,911,216 | +5.4% | 587,410 | 3.25 |
| 14 August 2026 | 1,813,402 | -16.7% | 579,081 | 3.13 |
| 31 July 2026 | 2,176,024 | +3.9% | 782,086 | 2.78 |
| 15 July 2026 | 2,095,185 | +1.0% | 808,320 | 2.59 |
| 30 June 2026 | 2,073,854 | +3.2% | 1,054,346 | 1.97 |
| 15 June 2026 | 2,009,447 | -0.1% | 720,892 | 2.79 |
| 29 May 2026 | 2,010,666 | -7.0% | 696,220 | 2.89 |
| 15 May 2026 | 2,161,477 | +25.2% | 538,427 | 4.01 |
| 30 April 2026 | 1,726,799 | -9.9% | 613,915 | 2.81 |
| 15 April 2026 | 1,916,015 | +7.7% | 799,686 | 2.40 |
| 31 March 2026 | 1,778,312 | +15.0% | 923,170 | 1.93 |
| 13 March 2026 | 1,546,747 | +6.9% | 1,115,763 | 1.39 |
FINRA publishes consolidated short interest twice a month, about ten days after each settlement. Days to cover is shares short over average daily volume. Short interest as a share of the float is not shown: the float is not in the public record.
Source
FINRA equity short interest data, the public dataset.
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