MAC Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
MAC dark pool volume for the week of 2026-07-06: 1.8M shares traded across 26 ATS venues with a total notional value of $46.3M. Volume is down 27.3% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, MS TRAJECTORY CROSS (ATS-1).
Dark pool activity in MAC 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 MAC.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 1.8M | — | -27.3% |
| 2026-06-29 | 2.5M | — | -51.9% |
| 2026-06-22 | 5.3M | — | -25.9% |
| 2026-06-15 | 7.1M | — | +78.2% |
| 2026-06-08 | 4.0M | — | +14.9% |
| 2026-06-01 | 3.5M | — | +87.8% |
| 2026-05-25 | 1.8M | — | -27.8% |
| 2026-05-18 | 2.6M | — | -60.6% |
| 2026-05-11 | 6.5M | 37.9% | +57.6% |
| 2026-05-04 | 4.1M | — | +29.3% |
| 2026-04-27 | 3.2M | — | — |
| 2026-03-23 | 2.6M | — | +113.6% |