FORM
FormFactor Inc.
stockNASDAQ
At CloseOct 9, 2026 3:59:59 PM EDT
139.65USD+1.838%(+2.52)813,467
Pre-marketOct 9, 2026 9:27:30 AM EDT
141.71USD+3.340%(+4.58)
As of 2026-09-30, there were 3,269,962 shares short with a short interest of 4.23%.
FORM Short Interest - Official
Short Interest
FORM Short Position Change - Official
Short Position Change
FORM Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-30 | 4.23 | 3,269,962 | 2.51 | +52,617 | +1.64 | 78,120,725 | 77,378,402 |
| 2026-09-15 | 4.16 | 3,217,345 | 2.99 | +263,800 | +8.93 | 78,120,725 | 77,378,402 |
| 2026-08-31 | 3.82 | 2,953,545 | 2.81 | +235,489 | +8.66 | 78,120,725 | 77,378,402 |
| 2026-08-14 | 3.51 | 2,718,056 | 2.28 | +238,600 | +9.62 | 78,120,725 | 77,378,402 |
| 2026-07-31 | 3.20 | 2,479,456 | 1.70 | -306,615 | -11.01 | 77,954,772 | 77,378,402 |
| 2026-07-15 | 3.60 | 2,786,071 | 1.69 | +742,945 | +36.36 | 77,954,772 | 77,352,182 |
| 2026-06-30 | 2.64 | 2,043,126 | 1.00 | -1,210,387 | -37.20 | 77,954,772 | 77,352,182 |
| 2026-06-15 | 4.21 | 3,253,513 | 2.07 | +429,981 | +15.23 | 77,954,772 | 77,349,063 |
| 2026-05-15 | 3.65 | 2,823,532 | 1.17 | -261,139 | -8.47 | 77,954,772 | 77,344,386 |
| 2026-04-30 | 4.02 | 3,084,671 | 1.45 | +151,368 | +5.16 | 77,954,440 | 76,798,514 |
| 2026-04-15 | 3.82 | 2,933,303 | 1.76 | +4,893 | +0.17 | 77,954,440 | 76,798,514 |
| 2026-03-31 | 3.81 | 2,928,410 | 1.93 | +374,224 | +14.65 | 77,917,947 | 76,798,514 |
| 2026-03-13 | 3.33 | 2,554,186 | 2.18 | +93,128 | +3.78 | 77,917,947 | 76,798,514 |
| 2026-02-27 | 3.20 | 2,461,058 | 2.06 | -424,053 | -14.70 | 77,517,097 | 76,798,514 |
| 2026-02-13 | 3.76 | 2,885,111 | 1.59 | +117,317 | +4.24 | 77,517,097 | 76,798,514 |
| 2026-01-30 | 3.60 | 2,767,794 | 1.64 | -318,709 | -10.33 | 77,517,097 | 76,798,514 |
| 2026-01-15 | 4.02 | 3,086,503 | 2.40 | -194,893 | -5.94 | 77,517,097 | 76,798,514 |
| 2025-12-31 | 4.27 | 3,281,396 | 3.25 | +1,024,969 | +45.42 | 77,517,097 | 76,798,514 |
| 2025-12-15 | 2.94 | 2,256,427 | 3.47 | -42,202 | -1.84 | 77,517,097 | 76,790,762 |
| 2025-11-28 | 2.99 | 2,298,629 | 3.24 | -149,552 | -6.11 | 77,517,097 | 76,792,312 |
| 2025-11-14 | 3.19 | 2,448,181 | 2.32 | -543,163 | -18.16 | 77,517,097 | 76,779,909 |
| 2025-10-31 | 3.92 | 2,991,344 | 1.79 | +313,238 | +11.70 | 77,114,214 | 76,348,301 |
| 2025-10-15 | 3.51 | 2,678,106 | 2.44 | -210,029 | -7.27 | 77,114,214 | 76,379,316 |
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.