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UCTT · Ultra Clean Holdings, Inc.

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$84.93 -7.98 (-8.59%) At close · Aug 14
Market Cap
$3.85B
Shares
45.28M

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
2026-07-06 2,519,621 2,006,327 4,525,948 50.4%
2026-06-29 1,870,482 1,748,894 3,619,376 48.2%
2026-06-22 1,903,730 1,626,083 3,529,813 42.1%
2026-06-15 1,286,426 1,022,234 2,308,660 42.9%
2026-06-08 1,784,655 1,390,529 3,175,184 50.8%
2026-06-01 1,988,266 762,918 2,751,184 40.2%
2026-05-25 1,602,356 897,585 2,499,941 46.8%
2026-05-18 1,073,219 614,231 1,687,450 41.7%
2026-05-11 1,102,377 938,964 2,041,341 46.2%
2026-05-04 1,598,384 1,460,476 3,058,860 46.6%
2026-04-27 1,993,222 1,448,234 3,441,456 48.4%
2026-04-20 1,097,820 1,083,532 2,181,352 53.6%
2026-04-13 793,591 636,445 1,430,036 47.0%
2026-04-06 1,409,734 1,315,194 2,724,928 50.6%
2026-03-30 1,230,422 989,529 2,219,951 44.6%
2026-03-23 1,341,900 1,198,480 2,540,380 48.3%
2026-03-16 1,126,514 838,617 1,965,131 39.0%
2026-03-09 1,378,753 637,872 2,016,625 40.6%
2026-03-02 2,137,352 2,211,414 4,348,766 44.5%
2026-02-23 5,049,831 5,621,195 10,671,026 52.0%
2026-02-16 1,075,473 614,561 1,690,034 40.9%
2026-02-09 1,677,705 1,338,559 3,016,264 41.4%
2026-02-02 1,204,322 943,721 2,148,043 43.6%
2026-01-26 1,381,840 714,062 2,095,902 39.6%
2026-01-19 1,144,769 634,061 1,778,830 39.9%
2026-01-12 2,273,231 1,152,762 3,425,993 45.6%
2026-01-05 1,756,459 741,794 2,498,253 43.0%
2025-12-29 222,446 243,364 465,810 37.6%
2025-12-22 153,763 198,079 351,842 40.3%
2025-12-15 352,191 636,222 988,413 39.1%
2025-12-08 502,614 412,285 914,899 39.8%
2025-12-01 784,949 392,967 1,177,916 27.2%
2025-11-24 613,570 248,521 862,091 36.3%
2025-11-17 458,534 288,967 747,501 34.3%
2025-11-10 375,736 404,139 779,875 38.7%
2025-11-03 452,810 425,848 878,658 35.0%
2025-10-27 879,536 442,717 1,322,253 39.4%
2025-10-20 621,429 292,195 913,624 42.0%
2025-10-13 589,949 364,570 954,519 42.9%
2025-10-06 386,809 313,898 700,707 39.3%
2025-09-29 553,216 378,358 931,574 39.3%
2025-09-22 481,475 279,488 760,963 38.9%
2025-09-15 384,931 326,411 711,342 32.9%
2025-09-08 337,962 248,186 586,148 38.6%
2025-09-01 214,570 166,218 380,788 33.2%
2025-08-25 421,919 238,156 660,075 39.9%
2025-08-18 274,560 303,788 578,348 36.8%
Showing 1–47 of 47 weeks
Key facts CIK 1275014 CUSIP 90385V107 13F (30d) 412 filings 394 filers Visit website Investor relations