ONTO
Onto Innovation Inc.Company with tickers: ONTO
CIK
704532
CUSIP
683344105
Shares Outstanding
49,743,567
13F Activity (30d)
292 filings
288 filers
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-18 | 1,784,996 | 4,460,906 | 6,245,902 | 68.6% |
| 2026-05-11 | 1,109,389 | 793,048 | 1,902,437 | 44.8% |
| 2026-05-04 | 1,898,578 | 885,589 | 2,784,167 | 51.3% |
| 2026-04-27 | 1,237,819 | 660,463 | 1,898,282 | 55.7% |
| 2026-04-20 | 1,465,974 | 841,016 | 2,306,990 | 50.2% |
| 2026-04-13 | 1,527,016 | 806,576 | 2,333,592 | 52.9% |
| 2026-04-06 | 862,720 | 571,702 | 1,434,422 | 54.0% |
| 2026-03-30 | 911,038 | 416,329 | 1,327,367 | 44.5% |
| 2026-03-23 | 930,899 | 380,657 | 1,311,556 | 41.2% |
| 2026-03-16 | 1,005,443 | 521,583 | 1,527,026 | 35.9% |
| 2026-03-09 | 1,012,605 | 435,677 | 1,448,282 | 40.5% |
| 2026-03-02 | 1,305,506 | 457,453 | 1,762,959 | 41.7% |
| 2026-02-23 | 1,553,747 | 845,301 | 2,399,048 | 44.3% |
| 2026-02-16 | 1,882,968 | 744,896 | 2,627,864 | 44.6% |
| 2026-02-09 | 1,348,714 | 1,007,594 | 2,356,308 | 45.5% |
| 2026-02-02 | 1,419,325 | 641,598 | 2,060,923 | 44.2% |
| 2026-01-26 | 1,353,983 | 564,734 | 1,918,717 | 42.9% |
| 2026-01-19 | 971,472 | 538,348 | 1,509,820 | 45.3% |
| 2026-01-12 | 1,813,611 | 688,849 | 2,502,460 | 47.9% |
| 2026-01-05 | 1,235,493 | 722,401 | 1,957,894 | 48.2% |
| 2025-12-29 | 538,535 | 487,752 | 1,026,287 | 45.6% |
| 2025-12-22 | 432,137 | 249,864 | 682,001 | 44.5% |
| 2025-12-15 | 969,071 | 561,935 | 1,531,006 | 35.5% |
| 2025-12-08 | 1,743,352 | 717,480 | 2,460,832 | 50.5% |
| 2025-12-01 | 1,205,179 | 457,639 | 1,662,818 | 40.5% |
| 2025-11-24 | 575,650 | 280,665 | 856,315 | 39.5% |
| 2025-11-17 | 1,118,300 | 580,649 | 1,698,949 | 42.5% |
| 2025-11-10 | 1,263,224 | 551,432 | 1,814,656 | 43.9% |
| 2025-11-03 | 2,270,152 | 782,860 | 3,053,012 | 44.4% |
| 2025-10-27 | 1,411,686 | 647,206 | 2,058,892 | 46.4% |
| 2025-10-20 | 1,115,408 | 502,857 | 1,618,265 | 42.6% |
| 2025-10-13 | 1,578,938 | 511,092 | 2,090,030 | 39.8% |
| 2025-10-06 | 2,320,132 | 994,181 | 3,314,313 | 47.5% |
| 2025-09-29 | 2,085,454 | 1,268,957 | 3,354,411 | 43.4% |
| 2025-09-22 | 2,645,945 | 2,190,315 | 4,836,260 | 49.3% |
| 2025-09-15 | 2,779,682 | 1,559,500 | 4,339,182 | 33.5% |
| 2025-09-08 | 1,706,255 | 519,576 | 2,225,831 | 38.2% |
| 2025-09-01 | 1,197,069 | 459,671 | 1,656,740 | 41.1% |
| 2025-08-25 | 1,051,984 | 402,983 | 1,454,967 | 34.5% |
| 2025-08-18 | 1,292,615 | 417,878 | 1,710,493 | 38.6% |
| 2025-08-11 | 2,186,202 | 1,321,151 | 3,507,353 | 42.1% |
| 2025-08-04 | 3,682,064 | 921,079 | 4,603,143 | 40.8% |
| 2025-07-28 | 1,781,214 | 780,648 | 2,561,862 | 39.4% |
| 2025-07-21 | 1,339,679 | 603,520 | 1,943,199 | 38.1% |
| 2025-07-14 | 1,330,893 | 347,019 | 1,677,912 | 37.9% |
| 2025-07-07 | 1,224,718 | 685,442 | 1,910,160 | 39.7% |
| 2025-06-30 | 1,068,369 | 422,677 | 1,491,046 | 34.9% |
| 2025-06-23 | 1,580,768 | 1,427,205 | 3,007,973 | 41.6% |
| 2025-06-16 | 1,146,994 | 818,346 | 1,965,340 | 36.3% |
Showing 1–49 of 49 weeks