MAMA Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
MAMA dark pool volume for the week of 2026-07-06: 1.1M shares traded across 24 ATS venues with a total notional value of $19.7M. Volume is down 28.6% week-over-week. Primary routing venues include , INSTINCT X, UBS ATS.
Dark pool activity in MAMA 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 MAMA.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 1.1M | — | -28.6% |
| 2026-06-29 | 1.5M | — | +9.4% |
| 2026-06-22 | 1.4M | — | +182.8% |
| 2026-06-15 | 480.4K | — | -46.8% |
| 2026-06-08 | 903.5K | — | +95.1% |
| 2026-06-01 | 463.2K | — | +61.6% |
| 2026-05-25 | 286.7K | — | -37.1% |
| 2026-05-18 | 456.0K | — | -2.2% |
| 2026-05-11 | 466.1K | — | +4.1% |
| 2026-05-04 | 447.6K | — | +46.4% |
| 2026-04-27 | 305.7K | — | — |
| 2026-03-23 | 268.1K | — | -26.3% |