XFOR
X4 Pharmaceuticals, Inc. Common Stock
stockNASDAQ
Market OpenOct 5, 2026 2:46:26 PM EDT
2.90USD+2.650%(+0.07)350,425
2.9000Bid2.9100Ask0.0100SpreadAs of 2026-09-15, there were 8,236,475 shares short with a short interest of 14.32%.
XFOR Short Interest - Official
Short Interest
XFOR Short Position Change - Official
Short Position Change
XFOR 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 | 14.32 | 8,236,475 | 7.07 | +1,046,417 | +14.55 | 99,146,743 | 57,527,469 |
| 2026-08-31 | 12.50 | 7,190,058 | 12.84 | +25,396 | +0.35 | 99,146,743 | 57,527,469 |
| 2026-08-14 | 12.45 | 7,164,662 | 8.92 | -135,458 | -1.86 | 99,146,743 | 57,527,469 |
| 2026-07-31 | 12.69 | 7,300,120 | 12.75 | +798,154 | +12.28 | 94,319,696 | 57,527,469 |
| 2026-07-15 | 11.30 | 6,501,966 | 9.79 | +994,909 | +18.07 | 94,319,696 | 57,527,469 |
| 2026-06-30 | 9.58 | 5,507,057 | 3.47 | +1,326,570 | +31.73 | 94,319,696 | 57,505,775 |
| 2026-06-15 | 7.28 | 4,180,487 | 9.92 | +1,256,907 | +42.99 | 94,319,696 | 57,409,569 |
| 2026-05-15 | 45.00 | 2,923,580 | 8.49 | -193,792 | -6.22 | 94,319,696 | 6,497,287 |
| 2026-04-30 | 47.98 | 3,117,372 | 8.35 | -27,443 | -0.87 | 90,919,696 | 6,497,287 |
| 2026-04-15 | 48.40 | 3,144,815 | 7.58 | +21,129 | +0.68 | 90,919,696 | 6,497,287 |
| 2026-03-31 | 48.08 | 3,123,686 | 7.16 | -374,403 | -10.70 | 90,919,696 | 6,497,287 |
| 2026-03-13 | 53.84 | 3,498,089 | 5.65 | +41,709 | +1.21 | 87,436,688 | 6,497,287 |
| 2026-02-27 | 53.20 | 3,456,380 | 6.15 | +77,024 | +2.28 | 87,436,688 | 6,497,287 |
| 2026-02-13 | 52.01 | 3,379,356 | 6.51 | +257,556 | +8.25 | 87,436,688 | 6,497,287 |
| 2026-01-30 | 48.05 | 3,121,800 | 12.59 | +27,031 | +0.87 | 87,436,688 | 6,497,287 |
| 2026-01-15 | 47.63 | 3,094,769 | 7.32 | +93,154 | +3.10 | 87,436,688 | 6,497,287 |
| 2025-12-31 | 46.20 | 3,001,615 | 2.92 | -153,990 | -4.88 | 87,436,688 | 6,497,287 |
| 2025-12-15 | 48.57 | 3,155,605 | 4.22 | +673,576 | +27.14 | 87,436,688 | 6,497,287 |
| 2025-11-28 | 38.20 | 2,482,029 | 5.09 | +539,929 | +27.80 | 87,436,688 | 6,497,287 |
| 2025-11-14 | 29.89 | 1,942,100 | 3.47 | +449,932 | +30.15 | 87,436,688 | 6,497,287 |
| 2025-10-31 | 21.76 | 1,492,168 | 1.00 | -293,080 | -16.42 | 79,214,708 | 6,858,134 |
| 2025-10-15 | 21.60 | 1,785,248 | 4.57 | -262,346 | -12.81 | 22,449,133 | 8,264,442 |
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.