ACIU Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ACIU dark pool volume for the week of 2026-07-06: 153.8K shares traded across 21 ATS venues with a total notional value of $390K. Volume is down 29.7% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, CROSSSTREAM.
Dark pool activity in ACIU 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 ACIU.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 153.8K | — | -29.7% |
| 2026-06-29 | 218.8K | — | +6.2% |
| 2026-06-22 | 206.0K | — | +385.7% |
| 2026-06-15 | 42.4K | — | -85.2% |
| 2026-06-08 | 287.4K | — | -18.7% |
| 2026-06-01 | 353.6K | — | +148.4% |
| 2026-05-25 | 142.3K | — | -31.7% |
| 2026-05-18 | 208.3K | — | -62.6% |
| 2026-05-11 | 557.1K | — | +63.9% |
| 2026-05-04 | 339.9K | — | +16.1% |
| 2026-04-27 | 292.7K | — | — |
| 2026-03-23 | 125.7K | — | -9.1% |