ONTO
Onto Innovation Inc.
stockNYSE
At CloseNov 13, 2026 3:59:59 PM EST
203.54USD-2.926%(-6.13)806,866
Pre-marketNov 13, 2026 9:10:30 AM EST
209.43USD-0.114%(-0.24)
After-hoursNov 13, 2026 4:00:30 PM EST
203.62USD+0.042%(+0.09)
As of 2026-10-30, there were 2,858,477 shares short with a short interest of 5.86%.
ONTO Short Interest - Official
ONTO Short Position Change - Official
ONTO Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-10-30 | 5.86 | 2,858,477 | 2.76 | +37,860 | +1.34 | 49,074,247 | 48,769,400 |
| 2026-10-15 | 5.78 | 2,820,617 | 2.74 | -145,702 | -4.91 | 49,074,247 | 48,773,522 |
| 2026-09-30 | 6.01 | 2,966,319 | 3.99 | +225,526 | +8.23 | 49,074,247 | 49,393,372 |
| 2026-09-15 | 5.55 | 2,740,793 | 2.94 | +275,058 | +11.16 | 49,074,247 | 49,393,372 |
| 2026-08-31 | 4.99 | 2,465,735 | 2.66 | -93,294 | -3.65 | 61,123,436 | 49,393,372 |
| 2026-08-14 | 5.18 | 2,559,029 | 2.04 | -87,538 | -3.31 | 61,123,436 | 49,393,372 |
| 2026-07-31 | 5.36 | 2,646,567 | 2.28 | -38,540 | -1.44 | 49,743,567 | 49,393,372 |
| 2026-07-15 | 5.44 | 2,685,107 | 2.03 | +58,919 | +2.24 | 49,743,567 | 49,393,372 |
| 2026-06-30 | 5.32 | 2,626,188 | 1.65 | +53,617 | +2.08 | 49,743,567 | 49,393,372 |
| 2026-06-15 | 5.21 | 2,572,571 | 1.97 | +1,477,853 | +135.00 | 49,743,567 | 49,393,372 |
| 2026-05-15 | 2.22 | 1,094,718 | 1.08 | +87,644 | +8.70 | 49,743,567 | 49,398,347 |
| 2026-04-30 | 2.07 | 1,007,074 | 1.01 | -173,740 | -14.71 | 49,743,567 | 48,646,458 |
| 2026-04-15 | 2.43 | 1,180,814 | 1.69 | -161,540 | -12.03 | 49,743,567 | 48,646,458 |
| 2026-03-31 | 2.76 | 1,342,354 | 1.74 | +403,606 | +42.99 | 49,702,361 | 48,646,458 |
| 2026-03-13 | 1.93 | 938,748 | 1.20 | -226,602 | -19.44 | 49,702,361 | 48,646,458 |
| 2026-02-27 | 2.40 | 1,165,350 | 1.00 | +161,565 | +16.10 | 49,652,933 | 48,646,458 |
| 2026-02-13 | 2.06 | 1,003,785 | 1.02 | -61,415 | -5.77 | 49,652,933 | 48,646,458 |
| 2026-01-30 | 2.19 | 1,065,200 | 1.22 | -253,464 | -19.22 | 49,652,933 | 48,646,458 |
| 2026-01-15 | 2.71 | 1,318,664 | 1.45 | +23,513 | +1.82 | 49,652,933 | 48,646,458 |
| 2025-12-31 | 2.66 | 1,295,151 | 2.14 | -403,655 | -23.76 | 49,652,933 | 48,646,458 |
| 2025-12-15 | 3.49 | 1,698,806 | 1.93 | -274,297 | -13.90 | 49,652,933 | 48,646,458 |
| 2025-11-28 | 4.06 | 1,973,103 | 2.88 | +219,881 | +12.54 | 49,652,933 | 48,605,350 |
| 2025-11-14 | 3.61 | 1,753,222 | 1.59 | +156,715 | +9.82 | 49,011,162 | 48,604,369 |
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.