MIR
Mirion Technologies, Inc.
stockNYSE
At CloseOct 2, 2026 4:00:00 PM EDT
14.60USD+1.742%(+0.25)3,290,331
Pre-marketOct 2, 2026 9:21:30 AM EDT
14.59USD+1.672%(+0.24)
After-hoursOct 2, 2026 4:20:30 PM EDT
14.85USD+1.721%(+0.25)
As of 2026-09-15, there were 39,703,629 shares short with a short interest of 17.73%.
MIR Short Interest - Official
Short Interest
MIR Short Position Change - Official
Short Position Change
MIR 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 | 17.73 | 39,703,629 | 10.70 | +3,796,713 | +10.57 | 243,278,092 | 223,973,975 |
| 2026-08-31 | 16.03 | 35,906,916 | 10.97 | +3,393,262 | +10.44 | 243,278,092 | 223,973,975 |
| 2026-08-14 | 14.52 | 32,513,654 | 8.54 | -1,689,996 | -4.94 | 249,037,647 | 223,973,975 |
| 2026-07-31 | 15.27 | 34,203,650 | 7.45 | -449,302 | -1.30 | 249,037,647 | 223,971,543 |
| 2026-07-15 | 15.38 | 34,652,952 | 9.78 | -489,901 | -1.39 | 244,655,718 | 225,349,935 |
| 2026-06-30 | 15.59 | 35,142,853 | 6.37 | +6,158,765 | +21.25 | 244,655,718 | 225,352,382 |
| 2026-06-15 | 12.86 | 28,984,088 | 9.28 | -1,203,660 | -3.99 | 244,655,718 | 225,352,382 |
| 2026-05-15 | 13.31 | 30,187,748 | 9.00 | +3,715,152 | +14.03 | 244,655,718 | 226,742,026 |
| 2026-04-30 | 12.50 | 26,472,596 | 6.07 | +4,257,824 | +19.17 | 250,420,273 | 211,703,424 |
| 2026-04-15 | 10.49 | 22,214,772 | 7.76 | -1,382,218 | -5.86 | 250,774,447 | 211,703,424 |
| 2026-03-31 | 11.15 | 23,596,990 | 5.87 | +2,576,255 | +12.26 | 244,667,792 | 211,703,424 |
| 2026-03-13 | 9.93 | 21,020,735 | 6.12 | +590,633 | +2.89 | 244,667,792 | 211,703,424 |
| 2026-02-27 | 9.65 | 20,430,102 | 5.64 | +782,668 | +3.98 | 244,667,792 | 211,703,424 |
| 2026-02-13 | 9.28 | 19,647,434 | 4.34 | -1,407,266 | -6.68 | 251,042,677 | 211,703,424 |
| 2026-01-30 | 9.95 | 21,054,700 | 10.51 | +2,197,569 | +11.65 | 244,370,206 | 211,703,424 |
| 2026-01-15 | 8.91 | 18,857,131 | 7.15 | -3,381,008 | -15.20 | 244,370,206 | 211,703,424 |
| 2025-12-31 | 10.50 | 22,238,139 | 11.78 | +1,133,638 | +5.37 | 244,370,206 | 211,703,424 |
| 2025-12-15 | 9.97 | 21,104,501 | 7.22 | -4,580,350 | -17.83 | 244,370,206 | 211,703,424 |
| 2025-11-28 | 12.15 | 25,684,851 | 7.14 | +3,567,765 | +16.13 | 244,370,206 | 211,339,200 |
| 2025-11-14 | 10.29 | 22,117,086 | 5.54 | -490,300 | -2.17 | 244,370,206 | 214,894,392 |
| 2025-10-31 | 9.87 | 22,607,386 | 4.86 | -2,510,423 | -9.99 | 244,370,206 | 229,116,618 |
| 2025-10-15 | 12.77 | 25,117,809 | 6.17 | -2,522,843 | -9.13 | 230,514,466 | 196,693,234 |
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.