ATMU Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ATMU dark pool volume for the week of 2026-07-06: 772.1K shares traded across 25 ATS venues with a total notional value of $39.1M. Volume is down 19.2% week-over-week. Primary routing venues include , LEVEL ATS, UBS ATS.
Dark pool activity in ATMU 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 ATMU.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 772.1K | — | -19.2% |
| 2026-06-29 | 955.5K | — | -7.4% |
| 2026-06-22 | 1.0M | — | +17.8% |
| 2026-06-15 | 876.3K | — | -32.9% |
| 2026-06-08 | 1.3M | — | +24.6% |
| 2026-06-01 | 1.0M | — | +10.1% |
| 2026-05-25 | 951.4K | — | -26.3% |
| 2026-05-18 | 1.3M | — | +4.8% |
| 2026-05-11 | 1.2M | — | -46.1% |
| 2026-05-04 | 2.3M | — | -6.6% |
| 2026-04-27 | 2.4M | — | — |
| 2026-03-23 | 1.0M | — | +38.9% |