USMC Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
USMC dark pool volume for the week of 2026-07-20: 51.3K shares traded across 15 ATS venues with a total notional value of $3.8M. Volume is up 37.1% week-over-week. Primary routing venues include , UBS ATS, INTELLIGENT CROSS LLC.
Dark pool activity in USMC 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 USMC.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 51.3K | — | +37.1% |
| 2026-07-13 | 37.4K | — | +9.2% |
| 2026-07-06 | 34.3K | — | +33.7% |
| 2026-06-29 | 25.6K | — | -26.4% |
| 2026-06-22 | 34.8K | — | +143.3% |
| 2026-06-15 | 14.3K | — | -52.9% |
| 2026-06-08 | 30.4K | — | -32.8% |
| 2026-06-01 | 45.2K | — | +28.6% |
| 2026-05-25 | 35.2K | — | -36.9% |
| 2026-05-18 | 55.8K | — | +148.5% |
| 2026-05-11 | 22.4K | — | -28.0% |
| 2026-05-04 | 31.2K | — | -19.7% |