IWB
iShares Russell 1000 ETF
stockNYSEETF
At CloseOct 13, 2026 3:59:39 PM EDT
424.77USD-0.036%(-0.16)190,737
After-hoursOct 13, 2026 4:10:30 PM EDT
424.78USD+0.001%(+0.00)
As of 2026-09-30, there were 1,554,113 shares short with a short interest of 1.33%.
IWB Short Interest - Official
IWB Short Position Change - Official
IWB 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 | 1.33 | 1,554,113 | 2.85 | +137,732 | +9.72 | 116,750,000 | 116,750,000 |
| 2026-09-15 | 1.21 | 1,416,381 | 3.52 | +154,752 | +12.27 | 117,100,000 | 117,100,000 |
| 2026-08-31 | 1.08 | 1,261,629 | 2.61 | -74,400 | -5.57 | 116,350,000 | 116,350,000 |
| 2026-08-14 | 1.13 | 1,336,029 | 2.20 | +126,621 | +10.47 | 118,500,000 | 118,500,000 |
| 2026-07-31 | 1.02 | 1,209,408 | 2.61 | -68,508 | -5.36 | 118,050,000 | 118,050,000 |
| 2026-07-15 | 1.08 | 1,277,916 | 2.84 | -190,092 | -12.95 | 117,900,000 | 117,900,000 |
| 2026-06-30 | 1.23 | 1,468,008 | 1.91 | -30,826 | -2.06 | 119,150,000 | 119,150,000 |
| 2026-06-15 | 1.27 | 1,498,834 | 2.35 | +298,219 | +24.84 | 118,100,000 | 118,100,000 |
| 2026-05-15 | 1.02 | 1,200,615 | 2.01 | +865 | +0.07 | 117,700,000 | 117,700,000 |
| 2026-04-30 | 1.02 | 1,199,750 | 1.19 | -188,904 | -13.60 | 117,700,000 | 117,700,000 |
| 2026-04-15 | 1.17 | 1,388,654 | 1.12 | -40,478 | -2.83 | 118,750,000 | 118,750,000 |
| 2026-03-31 | 1.19 | 1,429,132 | 1.00 | -474,098 | -24.91 | 120,150,000 | 120,150,000 |
| 2026-03-13 | 1.56 | 1,903,230 | 1.05 | +592,768 | +45.23 | 122,100,000 | 122,100,000 |
| 2026-02-27 | 1.06 | 1,310,462 | 1.00 | -222,996 | -14.54 | 123,150,000 | 123,150,000 |
| 2026-02-13 | 1.25 | 1,533,458 | 1.21 | +270,112 | +21.38 | 122,700,000 | 122,700,000 |
| 2026-01-30 | 1.03 | 1,263,346 | 1.00 | -519,812 | -29.15 | 122,300,000 | 122,300,000 |
| 2026-01-15 | 1.45 | 1,783,158 | 1.12 | -352,033 | -16.49 | 123,250,000 | 123,250,000 |
| 2025-12-31 | 1.73 | 2,135,191 | 2.23 | +57,298 | +2.76 | 123,600,000 | 123,600,000 |
| 2025-12-15 | 1.69 | 2,077,893 | 1.49 | -159,864 | -7.14 | 123,250,000 | 123,250,000 |
| 2025-11-28 | 1.84 | 2,237,757 | 2.24 | -344,741 | -13.35 | 121,900,000 | 121,900,000 |
| 2025-11-14 | 2.10 | 2,582,498 | 2.39 | -23,582 | -0.90 | 122,700,000 | 122,700,000 |
| 2025-10-31 | 2.12 | 2,606,080 | 3.50 | -564,540 | -17.81 | 122,700,000 | 122,700,000 |
| 2025-10-15 | 2.58 | 3,170,620 | 4.15 | -196,739 | -5.84 | 122,700,000 | 122,700,000 |
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.