ACLS Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ACLS dark pool volume for the week of 2026-07-06: 913.5K shares traded across 26 ATS venues with a total notional value of $124.9M. Volume is down 14.6% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in ACLS 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 ACLS.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 913.5K | — | -14.6% |
| 2026-06-29 | 1.1M | — | +6.2% |
| 2026-06-22 | 1.0M | — | +23.8% |
| 2026-06-15 | 813.7K | — | -32.8% |
| 2026-06-08 | 1.2M | — | +70.0% |
| 2026-06-01 | 712.4K | — | +22.3% |
| 2026-05-25 | 582.4K | — | -23.2% |
| 2026-05-18 | 758.2K | — | -3.8% |
| 2026-05-11 | 788.1K | — | -51.9% |
| 2026-05-04 | 1.6M | — | +77.2% |
| 2026-04-27 | 924.6K | — | — |
| 2026-03-23 | 1.2M | — | +61.0% |