ADPT
Adaptive Biotechnologies Corporation Common Stock
stockNASDAQ
At CloseNov 13, 2026 3:59:57 PM EST
29.04USD-1.493%(-0.44)2,063,762
Pre-marketNov 13, 2026 9:18:30 AM EST
29.90USD+1.425%(+0.42)
After-hoursNov 13, 2026 4:41:30 PM EST
28.21USD-2.858%(-0.83)
As of 2026-10-30, there were 11,478,831 shares short with a short interest of 7.41%.
ADPT Short Interest - Official
ADPT Short Position Change - Official
ADPT Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-10-30 | 7.41 | 11,478,831 | 6.07 | -513,157 | -4.28 | 159,595,842 | 154,873,714 |
| 2026-10-15 | 7.74 | 11,991,988 | 5.03 | +148,101 | +1.25 | 159,595,842 | 154,873,714 |
| 2026-09-30 | 7.63 | 11,843,887 | 4.43 | -1,645,694 | -12.20 | 159,595,842 | 155,199,308 |
| 2026-09-15 | 8.69 | 13,489,581 | 7.89 | +1,776,785 | +15.17 | 159,595,842 | 155,199,308 |
| 2026-08-31 | 7.55 | 11,712,796 | 6.37 | -1,610,971 | -12.09 | 159,595,842 | 155,199,308 |
| 2026-08-14 | 8.58 | 13,323,767 | 5.72 | +833,372 | +6.67 | 159,059,622 | 155,199,308 |
| 2026-07-31 | 8.05 | 12,490,395 | 4.39 | +1,094,008 | +9.60 | 159,059,622 | 155,199,308 |
| 2026-07-15 | 29.41 | 11,396,387 | 4.31 | +43,548 | +0.38 | 160,044,392 | 38,746,692 |
| 2026-06-30 | 7.35 | 11,352,839 | 2.23 | +3,707,692 | +48.50 | 160,044,392 | 154,523,282 |
| 2026-06-15 | 4.95 | 7,645,147 | 2.82 | -595,597 | -7.23 | 160,044,392 | 154,414,292 |
| 2026-05-29 | 5.35 | 8,240,744 | 5.13 | -656,597 | -7.38 | 160,044,392 | 154,040,429 |
| 2026-05-15 | 5.78 | 8,897,341 | 4.55 | +457,629 | +5.42 | 160,044,392 | 154,037,068 |
| 2026-04-30 | 5.75 | 8,439,712 | 6.94 | -111,708 | -1.31 | 159,760,669 | 146,778,390 |
| 2026-04-15 | 5.83 | 8,551,420 | 4.41 | -7,535 | -0.09 | 153,981,561 | 146,778,390 |
| 2026-03-31 | 5.83 | 8,558,955 | 4.06 | -688,367 | -7.44 | 153,981,561 | 146,778,390 |
| 2026-03-13 | 6.30 | 9,247,322 | 3.65 | +369,718 | +4.16 | 153,981,561 | 146,778,390 |
| 2026-02-27 | 6.05 | 8,877,604 | 6.51 | -315,485 | -3.43 | 153,779,418 | 146,778,390 |
| 2026-02-13 | 6.26 | 9,193,089 | 4.27 | +159,984 | +1.77 | 153,779,418 | 146,778,390 |
| 2026-01-30 | 6.15 | 9,033,105 | 5.56 | +11,776 | +0.13 | 152,665,188 | 146,778,390 |
| 2026-01-15 | 6.15 | 9,021,329 | 4.01 | +261,120 | +2.98 | 152,665,188 | 146,778,390 |
| 2025-12-31 | 5.97 | 8,760,209 | 4.43 | -982,301 | -10.08 | 152,665,188 | 146,778,390 |
| 2025-12-15 | 6.64 | 9,742,510 | 2.94 | -660,793 | -6.35 | 152,665,188 | 146,753,963 |
| 2025-11-28 | 7.10 | 10,403,303 | 3.75 | +34,921 | +0.34 | 152,665,188 | 146,487,410 |
| 2025-11-14 | 7.04 | 10,368,382 | 4.98 | +1,358,067 | +15.07 | 152,665,188 | 147,339,892 |
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.