MKSI
Mks IncCompany with tickers: MKSI
CIK
1049502
CUSIP
55306N104
Shares Outstanding
67,544,129
13F Activity (30d)
287 filings
284 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% |
Showing 1–10 of 10 weeks