ATRC
AtriCure, Inc.
stockNASDAQ
At CloseNov 3, 2026 3:59:50 PM EST
60.43USD+0.919%(+0.55)1,591,743
After-hoursNov 3, 2026 4:51:30 PM EST
59.20USD-2.035%(-1.23)
As of 2026-10-15, there were 4,886,394 shares short with a short interest of 10.01%.
ATRC Short Interest - Official
ATRC Short Position Change - Official
ATRC Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-10-15 | 10.01 | 4,886,394 | 5.21 | +67,612 | +1.40 | 50,866,294 | 48,827,064 |
| 2026-09-30 | 9.88 | 4,818,782 | 2.61 | +539,264 | +12.60 | 50,866,294 | 48,764,148 |
| 2026-09-15 | 8.78 | 4,279,518 | 3.62 | +138,212 | +3.34 | 50,866,294 | 48,764,148 |
| 2026-08-31 | 8.49 | 4,141,306 | 5.76 | +218,691 | +5.58 | 50,866,294 | 48,764,148 |
| 2026-08-14 | 8.04 | 3,922,615 | 6.10 | +58,238 | +1.51 | 50,866,294 | 48,764,148 |
| 2026-07-31 | 7.92 | 3,864,377 | 3.72 | -1,000,336 | -20.56 | 50,866,294 | 48,763,990 |
| 2026-07-15 | 10.02 | 4,864,713 | 5.68 | +415,321 | +9.33 | 50,640,970 | 48,548,159 |
| 2026-06-30 | 9.16 | 4,449,392 | 3.56 | +1,005,563 | +29.20 | 50,640,970 | 48,551,017 |
| 2026-06-15 | 7.09 | 3,443,829 | 4.87 | -986,446 | -22.27 | 50,640,970 | 48,551,017 |
| 2026-05-15 | 9.13 | 4,430,275 | 4.52 | +572,456 | +14.84 | 50,640,970 | 48,540,056 |
| 2026-04-30 | 8.06 | 3,857,819 | 4.76 | +244,366 | +6.76 | 50,634,808 | 47,885,823 |
| 2026-04-15 | 7.55 | 3,613,453 | 5.65 | +73,419 | +2.07 | 50,634,808 | 47,885,823 |
| 2026-03-31 | 7.39 | 3,540,034 | 6.31 | +125,673 | +3.68 | 49,809,901 | 47,885,823 |
| 2026-03-13 | 7.13 | 3,414,361 | 5.60 | +266,976 | +8.48 | 49,809,901 | 47,885,823 |
| 2026-02-27 | 6.57 | 3,147,385 | 4.02 | -300,204 | -8.71 | 49,809,901 | 47,885,823 |
| 2026-02-13 | 7.20 | 3,447,589 | 3.74 | +937,412 | +37.34 | 49,716,988 | 47,885,823 |
| 2026-01-30 | 5.24 | 2,510,177 | 5.41 | +329 | +0.01 | 49,716,988 | 47,885,823 |
| 2026-01-15 | 5.24 | 2,509,848 | 4.25 | +143,242 | +6.05 | 49,716,988 | 47,885,823 |
| 2025-12-31 | 4.94 | 2,366,606 | 7.21 | -132,535 | -5.30 | 49,716,988 | 47,885,823 |
| 2025-12-15 | 5.22 | 2,499,141 | 4.02 | +199,479 | +8.67 | 49,716,988 | 47,885,823 |
| 2025-11-28 | 4.79 | 2,299,662 | 4.44 | -254,111 | -9.95 | 49,716,988 | 47,959,990 |
| 2025-11-14 | 5.33 | 2,553,773 | 4.61 | +250,211 | +10.86 | 49,716,988 | 47,949,549 |
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.