MBX Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
MBX dark pool volume for the week of 2026-07-06: 1.4M shares traded across 28 ATS venues with a total notional value of $85.9M. Volume is up 12.3% week-over-week. Primary routing venues include , UBS ATS, SIGMA X2.
Dark pool activity in MBX 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 MBX.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 1.4M | — | +12.3% |
| 2026-06-29 | 1.2M | — | -26.3% |
| 2026-06-22 | 1.7M | — | +15.9% |
| 2026-06-15 | 1.5M | — | -47.3% |
| 2026-06-08 | 2.7M | — | +190.4% |
| 2026-06-01 | 946.7K | — | +63.4% |
| 2026-05-25 | 579.3K | — | -45.7% |
| 2026-05-18 | 1.1M | — | -36.7% |
| 2026-05-11 | 1.7M | — | +29.8% |
| 2026-05-04 | 1.3M | — | +68.2% |
| 2026-04-27 | 771.4K | — | — |
| 2026-03-23 | 477.5K | — | -35.0% |