IBIO
iBio, Inc. Common Stock
stockNASDAQ
At CloseOct 19, 2026 3:59:13 PM EDT
0.76USD-0.600%(-0.00)352,560
Pre-marketOct 19, 2026 9:24:30 AM EDT
0.785USD+2.440%(+0.019)
After-hoursOct 19, 2026 4:44:30 PM EDT
0.7604USD-0.171%(-0.0013)
As of 2026-09-30, there were 4,202,419 shares short with a short interest of 7.55%.
IBIO Short Interest - Official
IBIO Short Position Change - Official
IBIO 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 | 7.55 | 4,202,419 | 6.17 | -734,498 | -14.88 | 64,307,256 | 55,657,920 |
| 2026-09-15 | 33.05 | 4,936,917 | 9.99 | -267,558 | -5.14 | 64,307,256 | 14,939,147 |
| 2026-08-31 | 34.84 | 5,204,475 | 5.81 | +176,601 | +3.51 | 64,307,256 | 14,939,147 |
| 2026-08-14 | 33.66 | 5,027,874 | 11.12 | -77,839 | -1.52 | 49,678,561 | 14,939,147 |
| 2026-07-31 | 34.18 | 5,105,713 | 6.97 | -278,766 | -5.18 | 49,678,561 | 14,939,147 |
| 2026-07-15 | 36.04 | 5,384,479 | 4.03 | +690,394 | +14.71 | 49,678,561 | 14,939,147 |
| 2026-06-30 | 31.42 | 4,694,085 | 5.07 | +939,050 | +25.01 | 49,678,561 | 14,939,147 |
| 2026-06-15 | 25.14 | 3,755,035 | 4.81 | +346,340 | +10.16 | 49,678,561 | 14,939,147 |
| 2026-05-15 | 22.82 | 3,408,695 | 3.56 | -7,910 | -0.23 | 49,678,561 | 14,939,147 |
| 2026-04-30 | 21.85 | 3,416,605 | 3.27 | -224,116 | -6.16 | 36,143,561 | 15,639,794 |
| 2026-04-15 | 23.28 | 3,640,721 | 6.70 | -538,341 | -12.88 | 34,543,561 | 15,639,794 |
| 2026-03-31 | 26.72 | 4,179,062 | 3.42 | -13,422 | -0.32 | 34,543,561 | 15,639,794 |
| 2026-03-13 | 26.81 | 4,192,484 | 4.34 | +258,924 | +6.58 | 34,543,561 | 15,639,794 |
| 2026-02-27 | 25.15 | 3,933,560 | 3.72 | -249,882 | -5.97 | 34,543,561 | 15,639,794 |
| 2026-02-13 | 26.75 | 4,183,442 | 3.52 | +330,325 | +8.57 | 34,543,561 | 15,639,794 |
| 2026-01-30 | 24.64 | 3,853,117 | 3.73 | -41,019 | -1.05 | 22,487,308 | 15,639,794 |
| 2026-01-15 | 24.90 | 3,894,136 | 1.00 | +99,115 | +2.61 | 22,487,308 | 15,639,794 |
| 2025-12-31 | 24.27 | 3,795,021 | 2.51 | -111,105 | -2.84 | 22,487,308 | 15,639,794 |
| 2025-12-15 | 24.98 | 3,906,126 | 1.00 | +1,958,640 | +100.57 | 22,487,308 | 15,639,794 |
| 2025-11-28 | 12.45 | 1,947,486 | 1.94 | +773,422 | +65.88 | 22,487,308 | 15,639,794 |
| 2025-11-14 | 7.51 | 1,174,064 | 1.00 | -1,286,538 | -52.29 | 20,254,599 | 15,639,794 |
| 2025-10-31 | 15.73 | 2,460,602 | 1.00 | +2,048,220 | +496.68 | 20,254,599 | 15,639,794 |
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.