IRTC
iRhythm Holdings, Inc. Common Stock
stockNASDAQ
At CloseNov 6, 2026 3:59:57 PM EST
90.10USD-30.793%(-40.09)5,665,245
Pre-marketNov 6, 2026 9:28:30 AM EST
107.75USD-17.236%(-22.44)
After-hoursNov 6, 2026 4:57:30 PM EST
90.53USD+0.477%(+0.43)
As of 2026-10-15, there were 3,096,052 shares short with a short interest of 10.22%.
IRTC Short Interest - Official
IRTC Short Position Change - Official
IRTC 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 | 10.22 | 3,096,052 | 6.77 | +62,694 | +2.07 | 32,963,003 | 30,285,748 |
| 2026-09-30 | 9.85 | 3,033,358 | 5.85 | -21,549 | -0.71 | 32,963,003 | 30,793,062 |
| 2026-09-15 | 9.92 | 3,054,907 | 5.56 | +266,499 | +9.56 | 32,963,003 | 30,793,062 |
| 2026-08-31 | 9.06 | 2,788,408 | 5.62 | -12,402 | -0.44 | 32,963,003 | 30,793,062 |
| 2026-08-14 | 9.10 | 2,800,810 | 3.33 | -411,784 | -12.82 | 32,963,003 | 30,793,062 |
| 2026-07-31 | 10.43 | 3,212,594 | 6.62 | -217,559 | -6.34 | 32,862,408 | 30,793,062 |
| 2026-07-15 | 11.14 | 3,430,153 | 5.78 | +193,178 | +5.97 | 32,862,408 | 30,785,504 |
| 2026-06-30 | 10.51 | 3,236,975 | 4.59 | +306,092 | +10.44 | 32,862,408 | 30,785,832 |
| 2026-06-15 | 9.52 | 2,930,883 | 5.79 | -171,139 | -5.52 | 32,862,408 | 30,785,832 |
| 2026-05-15 | 9.63 | 3,102,022 | 5.11 | +247,696 | +8.68 | 32,862,408 | 32,222,076 |
| 2026-04-30 | 8.95 | 2,854,326 | 6.63 | -164,621 | -5.45 | 32,853,772 | 31,902,751 |
| 2026-04-15 | 9.46 | 3,018,947 | 7.78 | +75,176 | +2.55 | 32,316,760 | 31,902,751 |
| 2026-03-31 | 9.23 | 2,943,771 | 5.22 | +53,460 | +1.85 | 32,316,760 | 31,902,751 |
| 2026-03-13 | 9.06 | 2,890,311 | 3.96 | -502,521 | -14.81 | 32,316,760 | 31,902,751 |
| 2026-02-27 | 10.63 | 3,392,832 | 4.98 | -8,386 | -0.25 | 32,316,760 | 31,902,751 |
| 2026-02-13 | 10.66 | 3,401,218 | 5.11 | +570,341 | +20.15 | 32,219,143 | 31,902,751 |
| 2026-01-30 | 8.87 | 2,830,877 | 4.65 | +80,813 | +2.94 | 32,219,143 | 31,902,751 |
| 2026-01-15 | 8.62 | 2,750,064 | 3.36 | +450,624 | +19.60 | 32,219,143 | 31,902,751 |
| 2025-12-31 | 7.21 | 2,299,440 | 5.91 | -140,703 | -5.77 | 32,219,143 | 31,902,751 |
| 2025-12-15 | 7.65 | 2,440,143 | 5.89 | -131,382 | -5.11 | 32,219,143 | 31,902,751 |
| 2025-11-28 | 8.07 | 2,571,525 | 4.86 | +30,530 | +1.20 | 32,219,143 | 31,865,699 |
| 2025-11-14 | 7.97 | 2,540,995 | 4.89 | +207,910 | +8.91 | 32,219,143 | 31,865,699 |
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.