MTRN Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
MTRN dark pool volume for the week of 2026-07-06: 368.8K shares traded across 26 ATS venues with a total notional value of $94.0M. Volume is down 7.1% week-over-week. Primary routing venues include , SIGMA X2, INTELLIGENT CROSS LLC.
Dark pool activity in MTRN reflects institutional order flow executing on Alternative Trading Systems (ATS) registered with the SEC — private venues where large-block trades are matched away from public exchanges to minimize price impact. StonkWhisper ingests FINRA-published ATS volume data to track these off-exchange flows. Sustained elevation in dark pool percentage — particularly when concentrated at specific venues — can indicate institutional accumulation or distribution ahead of significant price moves. The interactive charts below show 12-week historical volume and complete venue breakdown for MTRN.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 368.8K | — | -7.1% |
| 2026-06-29 | 396.9K | — | -29.9% |
| 2026-06-22 | 565.9K | — | +17.5% |
| 2026-06-15 | 481.6K | — | -3.7% |
| 2026-06-08 | 500.0K | — | -6.0% |
| 2026-06-01 | 531.8K | — | +68.5% |
| 2026-05-25 | 315.6K | — | +5.4% |
| 2026-05-18 | 299.4K | — | -32.3% |
| 2026-05-11 | 442.1K | — | +15.4% |
| 2026-05-04 | 383.2K | — | -37.7% |
| 2026-04-27 | 615.5K | — | — |
| 2026-03-23 | 385.3K | — | +5.6% |