MKSI
Mks IncCompany with tickers: MKSI
CIK
1049502
CUSIP
55306N104
Shares Outstanding
67,544,129
Website
https://www.mks.com
13F Activity (30d)
186 filings
185 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 | 1,698,160 | 1,347,558 | 3,045,718 | 52.0% |
| 2026-05-11 | 1,821,162 | 1,256,556 | 3,077,718 | 68.3% |
| 2026-05-04 | 3,283,047 | 1,138,812 | 4,421,859 | 51.0% |
| 2026-04-27 | 1,721,055 | 968,099 | 2,689,154 | 52.0% |
| 2026-04-20 | 2,077,237 | 747,957 | 2,825,194 | 56.6% |
| 2026-04-13 | 1,561,321 | 522,530 | 2,083,851 | 55.3% |
| 2026-04-06 | 1,415,853 | 752,229 | 2,168,082 | 47.4% |
| 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% |
Showing 1–23 of 23 weeks