MKSI · Mks Inc
$310.73
+4.44 (+1.45%)
At close · Aug 14
Market Cap
$21.01B
Shares
67.62M
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 | 2,263,316 | 857,416 | 3,120,732 | 47.9% |
| 2026-06-29 | 2,761,935 | 1,365,277 | 4,127,212 | 51.3% |
| 2026-06-22 | 3,314,801 | 1,624,493 | 4,939,294 | 52.2% |
| 2026-06-15 | 1,606,915 | 675,984 | 2,282,899 | 42.8% |
| 2026-06-08 | 1,696,685 | 982,073 | 2,678,758 | 48.3% |
| 2026-06-01 | 1,466,400 | 663,654 | 2,130,054 | 47.2% |
| 2026-05-25 | 1,376,409 | 478,167 | 1,854,576 | 45.4% |
| 2026-05-18 | 1,698,160 | 1,347,558 | 3,045,718 | 48.3% |
| 2026-05-11 | 1,821,162 | 1,256,556 | 3,077,718 | 52.8% |
| 2026-05-04 | 3,283,047 | 1,138,812 | 4,421,859 | 45.1% |
| 2026-04-27 | 1,721,055 | 968,099 | 2,689,154 | 47.8% |
| 2026-04-20 | 2,077,237 | 747,957 | 2,825,194 | 49.9% |
| 2026-04-13 | 1,561,321 | 522,530 | 2,083,851 | 44.7% |
| 2026-04-06 | 1,415,853 | 752,229 | 2,168,082 | 45.6% |
| 2026-03-30 | 1,043,803 | 633,751 | 1,677,554 | 38.2% |
| 2026-03-23 | 1,056,908 | 651,059 | 1,707,967 | 39.8% |
| 2026-03-16 | 1,746,028 | 1,036,943 | 2,782,971 | 38.5% |
| 2026-03-09 | 1,992,823 | 840,086 | 2,832,909 | 42.9% |
| 2026-03-02 | 1,895,838 | 821,996 | 2,717,834 | 40.4% |
| 2026-02-23 | 1,845,637 | 1,351,472 | 3,197,109 | 43.5% |
| 2026-02-16 | 2,921,250 | 1,979,066 | 4,900,316 | 49.4% |
| 2026-02-09 | 2,274,548 | 1,541,116 | 3,815,664 | 46.4% |
| 2026-02-02 | 3,387,117 | 1,857,112 | 5,244,229 | 47.0% |
| 2026-01-26 | 3,653,812 | 1,833,566 | 5,487,378 | 53.1% |
| 2026-01-19 | 2,118,382 | 1,208,842 | 3,327,224 | 47.8% |
| 2026-01-12 | 1,982,847 | 803,564 | 2,786,411 | 44.6% |
| 2026-01-05 | 1,174,419 | 420,919 | 1,595,338 | 40.6% |
| 2025-12-29 | 620,297 | 302,955 | 923,252 | 42.6% |
| 2025-12-22 | 447,454 | 468,420 | 915,874 | 45.1% |
| 2025-12-15 | 1,709,982 | 677,464 | 2,387,446 | 42.0% |
| 2025-12-08 | 1,475,539 | 659,051 | 2,134,590 | 45.4% |
| 2025-12-01 | 1,374,696 | 595,609 | 1,970,305 | 43.4% |
| 2025-11-24 | 595,778 | 371,468 | 967,246 | 40.0% |
| 2025-11-17 | 1,743,020 | 486,190 | 2,229,210 | 48.7% |
| 2025-11-10 | 1,926,109 | 609,805 | 2,535,914 | 50.5% |
| 2025-11-03 | 2,535,899 | 806,525 | 3,342,424 | 46.0% |
| 2025-10-27 | 1,740,914 | 990,694 | 2,731,608 | 52.7% |
| 2025-10-20 | 1,639,049 | 288,013 | 1,927,062 | 49.5% |
| 2025-10-13 | 1,559,139 | 360,492 | 1,919,631 | 42.1% |
| 2025-10-06 | 2,640,350 | 483,615 | 3,123,965 | 49.7% |
| 2025-09-29 | 1,812,246 | 471,280 | 2,283,526 | 40.9% |
| 2025-09-22 | 2,115,263 | 675,331 | 2,790,594 | 42.0% |
| 2025-09-15 | 2,424,219 | 1,195,507 | 3,619,726 | 30.0% |
| 2025-09-08 | 1,987,700 | 489,337 | 2,477,037 | 37.3% |
| 2025-09-01 | 737,713 | 496,970 | 1,234,683 | 37.8% |
| 2025-08-25 | 885,786 | 739,211 | 1,624,997 | 37.5% |
| 2025-08-18 | 860,576 | 665,520 | 1,526,096 | 36.1% |
Showing 1–47 of 47 weeks
Key facts
CIK
1049502
CUSIP
55306N104
13F (30d)
736 filings
711 filers
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