BLK
Blackrock, Inc.
stockNYSE
At CloseOct 13, 2026 3:59:57 PM EDT
1,066.85USD-1.574%(-17.07)647,798
Pre-marketOct 13, 2026 9:17:30 AM EDT
1,095.00USD+1.022%(+11.08)
After-hoursOct 13, 2026 4:34:30 PM EDT
1,069.50USD+0.248%(+2.65)
As of 2026-09-30, there were 2,040,215 shares short with a short interest of 1.42%.
BLK Short Interest - Official
BLK Short Position Change - Official
BLK Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-30 | 1.42 | 2,040,215 | 3.61 | +136 | +0.01 | 154,869,259 | 143,931,450 |
| 2026-09-15 | 1.42 | 2,040,079 | 4.03 | +128,863 | +6.74 | 154,869,259 | 143,931,450 |
| 2026-08-31 | 1.33 | 1,911,216 | 3.25 | +97,814 | +5.39 | 154,869,259 | 143,931,450 |
| 2026-08-14 | 1.26 | 1,813,402 | 3.13 | -362,622 | -16.66 | 154,869,259 | 143,931,450 |
| 2026-07-31 | 1.51 | 2,176,024 | 2.78 | +80,839 | +3.86 | 154,995,389 | 143,931,450 |
| 2026-07-15 | 1.45 | 2,095,185 | 2.59 | +21,331 | +1.03 | 154,995,389 | 144,131,654 |
| 2026-06-30 | 1.44 | 2,073,854 | 1.97 | +64,407 | +3.21 | 155,233,989 | 144,094,097 |
| 2026-06-15 | 1.39 | 2,009,447 | 2.79 | -152,030 | -7.03 | 155,233,989 | 144,148,730 |
| 2026-05-15 | 1.50 | 2,161,477 | 4.01 | +434,678 | +25.17 | 155,233,989 | 144,147,178 |
| 2026-04-30 | 1.20 | 1,726,799 | 2.81 | -189,216 | -9.88 | 155,364,965 | 144,039,001 |
| 2026-04-15 | 1.33 | 1,916,015 | 2.40 | +137,703 | +7.74 | 155,400,000 | 144,039,001 |
| 2026-03-31 | 1.23 | 1,778,312 | 1.93 | +231,565 | +14.97 | 155,541,536 | 144,039,001 |
| 2026-03-13 | 1.07 | 1,546,747 | 1.39 | +100,306 | +6.93 | 155,541,536 | 144,039,001 |
| 2026-02-27 | 1.00 | 1,446,441 | 1.86 | -25,349 | -1.72 | 155,100,000 | 144,039,001 |
| 2026-02-13 | 1.02 | 1,471,790 | 1.65 | -31,564 | -2.10 | 155,100,000 | 144,039,001 |
| 2026-01-30 | 1.04 | 1,503,354 | 2.01 | +269,917 | +21.88 | 155,100,000 | 144,039,001 |
| 2026-01-15 | 0.86 | 1,233,437 | 1.56 | +17,253 | +1.42 | 155,100,000 | 144,039,001 |
| 2025-12-31 | 0.84 | 1,216,184 | 2.56 | -48,815 | -3.86 | 155,150,909 | 144,039,001 |
| 2025-12-15 | 0.88 | 1,264,999 | 2.03 | -557,481 | -30.59 | 155,150,909 | 144,039,001 |
| 2025-11-28 | 1.27 | 1,822,480 | 2.35 | +580,606 | +46.75 | 155,150,909 | 144,009,522 |
| 2025-11-14 | 0.86 | 1,241,874 | 2.33 | +38,289 | +3.18 | 155,150,909 | 144,006,419 |
| 2025-10-31 | 0.84 | 1,203,585 | 1.64 | -67,914 | -5.34 | 155,100,000 | 143,956,065 |
| 2025-10-15 | 0.88 | 1,271,499 | 1.91 | -247,610 | -16.30 | 155,100,000 | 143,779,461 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.