MRNO Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
MRNO dark pool volume for the week of 2026-07-06: 32.8K shares traded across 15 ATS venues with a total notional value of $8K. Volume is up 12.6% week-over-week. Primary routing venues include , IBKR ATS, POSIT.
Dark pool activity in MRNO 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 MRNO.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 32.8K | — | +12.6% |
| 2026-06-29 | 29.1K | — | -85.1% |
| 2026-06-22 | 194.7K | — | +749.5% |
| 2026-06-15 | 22.9K | — | -85.4% |
| 2026-06-08 | 156.9K | — | -33.4% |
| 2026-06-01 | 235.4K | — | +128.4% |
| 2026-05-25 | 103.1K | — | -87.5% |
| 2026-05-18 | 826.2K | — | -91.7% |
| 2026-05-11 | 9.9M | 871.4% | +8678.1% |
| 2026-05-04 | 113.2K | — | +204.3% |
| 2026-04-27 | 37.2K | — | — |
| 2026-03-23 | 81.7K | — | -22.8% |