QTRX
Quanterix Corporation Common Stock
stockNASDAQ
Market OpenOct 5, 2026 1:18:59 PM EDT
3.80USD+4.396%(+0.16)484,074
3.8000Bid3.8100Ask0.0100SpreadPre-marketOct 5, 2026 9:29:59 AM EDT
3.65USD+0.275%(+0.01)
As of 2026-09-15, there were 4,976,711 shares short with a short interest of 12.94%.
QTRX Short Interest - Official
Short Interest
QTRX Short Position Change - Official
Short Position Change
QTRX 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 | 12.94 | 4,976,711 | 4.23 | +159,200 | +3.30 | 47,293,065 | 38,457,794 |
| 2026-08-31 | 12.53 | 4,817,511 | 8.34 | +83,113 | +1.76 | 47,293,065 | 38,457,794 |
| 2026-08-14 | 12.31 | 4,734,398 | 4.31 | +229,573 | +5.10 | 47,293,065 | 38,457,794 |
| 2026-07-31 | 11.71 | 4,504,825 | 9.07 | +167,734 | +3.87 | 47,105,981 | 38,457,794 |
| 2026-07-15 | 11.28 | 4,337,091 | 9.24 | +9,712 | +0.22 | 47,105,981 | 38,459,207 |
| 2026-06-30 | 11.24 | 4,327,379 | 2.60 | -150,644 | -3.36 | 47,105,981 | 38,485,115 |
| 2026-06-15 | 11.68 | 4,478,023 | 4.97 | -670,774 | -13.03 | 47,105,981 | 38,354,788 |
| 2026-05-15 | 13.95 | 5,148,797 | 2.96 | +549,967 | +11.96 | 47,105,981 | 36,904,710 |
| 2026-04-30 | 12.06 | 4,598,830 | 4.49 | +294,388 | +6.84 | 47,064,985 | 38,140,909 |
| 2026-04-15 | 11.29 | 4,304,442 | 4.64 | -10,695 | -0.25 | 46,939,975 | 38,140,909 |
| 2026-03-31 | 11.31 | 4,315,137 | 4.79 | +212,446 | +5.18 | 46,939,975 | 38,140,909 |
| 2026-03-13 | 10.76 | 4,102,691 | 5.89 | -14,988 | -0.36 | 46,939,975 | 38,140,909 |
| 2026-02-27 | 10.80 | 4,117,679 | 7.90 | +209,681 | +5.37 | 46,710,797 | 38,140,909 |
| 2026-02-13 | 10.25 | 3,907,998 | 7.01 | +328,938 | +9.19 | 46,710,797 | 38,140,909 |
| 2026-01-30 | 9.38 | 3,579,060 | 4.86 | +164,032 | +4.80 | 46,710,797 | 38,140,909 |
| 2026-01-15 | 8.95 | 3,415,028 | 4.26 | +123,338 | +3.75 | 46,710,797 | 38,140,909 |
| 2025-12-31 | 8.63 | 3,291,690 | 5.83 | -142,194 | -4.14 | 46,710,797 | 38,140,909 |
| 2025-12-15 | 9.00 | 3,433,884 | 4.70 | +255,934 | +8.05 | 46,710,797 | 38,139,461 |
| 2025-11-28 | 8.33 | 3,177,950 | 3.30 | -347,985 | -9.87 | 46,710,797 | 38,162,957 |
| 2025-11-14 | 8.79 | 3,525,935 | 5.92 | -232,680 | -6.19 | 46,710,797 | 40,092,811 |
| 2025-10-31 | 9.43 | 3,758,615 | 6.85 | -124,194 | -3.20 | 46,465,915 | 39,848,704 |
| 2025-10-15 | 9.74 | 3,882,809 | 8.05 | -195,012 | -4.78 | 46,465,915 | 39,852,421 |
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.