NTRA
Natera, Inc. Common Stock
stockNASDAQ
At CloseNov 13, 2026 3:59:56 PM EST
319.10USD-1.189%(-3.84)1,690,304
Pre-marketNov 13, 2026 8:56:30 AM EST
323.01USD+0.022%(+0.07)
After-hoursNov 13, 2026 4:22:30 PM EST
318.30USD-0.251%(-0.80)
As of 2026-10-30, there were 6,072,554 shares short with a short interest of 4.50%.
NTRA Short Interest - Official
NTRA Short Position Change - Official
NTRA 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 | 4.50 | 6,072,554 | 4.15 | +220,637 | +3.77 | 144,144,170 | 134,885,487 |
| 2026-10-15 | 4.34 | 5,851,917 | 3.43 | -503,533 | -7.92 | 144,144,170 | 134,879,433 |
| 2026-09-30 | 4.64 | 6,355,450 | 3.20 | +1,558,275 | +32.48 | 144,144,170 | 136,919,125 |
| 2026-09-15 | 3.50 | 4,797,175 | 4.70 | -717,003 | -13.00 | 144,144,170 | 136,919,125 |
| 2026-08-31 | 4.03 | 5,514,178 | 4.37 | +1,218,933 | +28.38 | 144,144,170 | 136,919,125 |
| 2026-08-14 | 3.14 | 4,295,245 | 2.61 | -69,960 | -1.60 | 144,144,170 | 136,919,125 |
| 2026-07-31 | 3.19 | 4,365,205 | 4.69 | -599,441 | -12.07 | 143,215,382 | 136,900,364 |
| 2026-07-15 | 3.63 | 4,964,646 | 3.61 | -855,970 | -14.71 | 143,215,382 | 136,895,638 |
| 2026-06-30 | 4.25 | 5,820,616 | 2.75 | +1,505,613 | +34.89 | 143,215,382 | 136,838,924 |
| 2026-06-15 | 3.16 | 4,315,003 | 4.00 | +530,927 | +14.03 | 143,215,382 | 136,732,086 |
| 2026-05-15 | 2.78 | 3,784,076 | 2.01 | -239,788 | -5.96 | 143,215,382 | 136,058,116 |
| 2026-04-30 | 3.01 | 4,023,864 | 3.31 | +252,515 | +6.70 | 142,778,493 | 133,878,171 |
| 2026-04-15 | 2.82 | 3,771,349 | 2.72 | -1,095,736 | -22.51 | 141,731,250 | 133,878,171 |
| 2026-03-31 | 3.64 | 4,867,085 | 4.13 | +1,561,070 | +47.22 | 141,731,250 | 133,878,171 |
| 2026-03-13 | 2.47 | 3,306,015 | 2.52 | +315,633 | +10.55 | 141,731,250 | 133,878,171 |
| 2026-02-27 | 2.23 | 2,990,382 | 2.85 | -287,797 | -8.78 | 139,449,120 | 133,878,171 |
| 2026-02-13 | 2.45 | 3,278,179 | 2.60 | -125,053 | -3.67 | 139,449,120 | 133,878,171 |
| 2026-01-30 | 2.54 | 3,403,232 | 3.45 | -52,933 | -1.53 | 139,449,120 | 133,878,171 |
| 2026-01-15 | 2.58 | 3,456,165 | 2.81 | -1,291,092 | -27.20 | 139,449,120 | 133,878,171 |
| 2025-12-31 | 3.55 | 4,747,257 | 4.63 | +1,351,916 | +39.82 | 139,449,120 | 133,878,171 |
| 2025-12-15 | 2.54 | 3,395,341 | 2.80 | -624,231 | -15.53 | 139,449,120 | 133,834,007 |
| 2025-11-28 | 3.00 | 4,019,572 | 2.06 | +262,881 | +7.00 | 138,014,465 | 133,765,000 |
| 2025-11-14 | 2.81 | 3,756,691 | 2.33 | -150,936 | -3.86 | 138,014,465 | 133,744,297 |
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.