OABI
OmniAb, Inc. Common Stock
stockNASDAQ
At CloseOct 2, 2026 3:59:57 PM EDT
4.86USD-2.505%(-0.13)1,623,653
Pre-marketOct 5, 2026 8:15:30 AM EDT
4.86USD-0.205%(-0.01)
After-hoursOct 2, 2026 4:35:30 PM EDT
4.8586USD-0.132%(-0.0064)
As of 2026-09-15, there were 7,125,743 shares short with a short interest of 6.02%.
OABI Short Interest - Official
Short Interest
OABI Short Position Change - Official
Short Position Change
OABI Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | 6.02 | 7,125,743 | 4.11 | +1,142,604 | +19.10 | 145,390,398 | 118,435,310 |
| 2026-08-31 | 5.05 | 5,983,139 | 1.85 | -261,888 | -4.19 | 145,390,398 | 118,435,310 |
| 2026-08-14 | 5.27 | 6,245,027 | 6.50 | +247,896 | +4.13 | 145,390,398 | 118,435,310 |
| 2026-07-31 | 5.08 | 5,997,131 | 17.65 | +120,015 | +2.04 | 144,972,579 | 118,094,953 |
| 2026-07-15 | 7.05 | 5,877,116 | 10.26 | +1,122,703 | +23.61 | 144,972,579 | 83,422,398 |
| 2026-06-30 | 5.70 | 4,754,413 | 6.37 | +56,880 | +1.21 | 144,972,579 | 83,422,398 |
| 2026-06-15 | 5.63 | 4,697,533 | 9.98 | -222,633 | -4.52 | 144,972,579 | 83,422,398 |
| 2026-05-15 | 5.90 | 4,920,166 | 4.27 | -335,687 | -6.39 | 144,972,579 | 83,422,398 |
| 2026-04-30 | 6.97 | 5,255,853 | 8.05 | -205,362 | -3.76 | 144,972,579 | 75,389,054 |
| 2026-04-15 | 7.24 | 5,461,215 | 11.10 | -486,447 | -8.18 | 144,782,647 | 75,389,054 |
| 2026-03-31 | 7.89 | 5,947,662 | 19.13 | +309,021 | +5.48 | 144,782,647 | 75,389,054 |
| 2026-03-13 | 7.48 | 5,638,641 | 16.05 | -155,081 | -2.68 | 144,782,647 | 75,389,054 |
| 2026-02-27 | 7.69 | 5,793,722 | 27.99 | +5,105 | +0.09 | 143,955,400 | 75,389,054 |
| 2026-02-13 | 7.68 | 5,788,617 | 16.04 | -48,477 | -0.83 | 143,955,400 | 75,389,054 |
| 2026-01-30 | 7.74 | 5,837,094 | 11.88 | -85,119 | -1.44 | 143,955,400 | 75,389,054 |
| 2026-01-15 | 7.86 | 5,922,213 | 21.86 | -108,213 | -1.79 | 143,955,400 | 75,389,054 |
| 2025-12-31 | 8.00 | 6,030,426 | 8.92 | +758,549 | +14.39 | 143,955,400 | 75,389,054 |
| 2025-12-15 | 6.99 | 5,271,877 | 10.00 | -106,269 | -1.98 | 143,955,400 | 75,389,054 |
| 2025-11-28 | 7.13 | 5,378,146 | 8.51 | -187,057 | -3.36 | 143,955,400 | 75,389,054 |
| 2025-11-14 | 7.38 | 5,565,203 | 11.56 | -193,729 | -3.36 | 143,955,400 | 75,389,054 |
| 2025-10-31 | 6.70 | 5,758,932 | 10.49 | -220,327 | -3.68 | 143,955,400 | 85,991,521 |
| 2025-10-15 | 6.95 | 5,979,259 | 11.65 | -2,585,979 | -30.19 | 143,955,400 | 85,991,521 |
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.