ATOS Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ATOS dark pool volume for the week of 2026-07-06: 64.5K shares traded across 22 ATS venues with a total notional value of $153K. Volume is up 19.3% week-over-week. Primary routing venues include , IBKR ATS, INTELLIGENT CROSS LLC.
Dark pool activity in ATOS 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 ATOS.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 64.5K | — | +19.3% |
| 2026-06-29 | 54.1K | — | -64.3% |
| 2026-06-22 | 151.6K | — | +59.7% |
| 2026-06-15 | 94.9K | — | -65.1% |
| 2026-06-08 | 271.9K | — | +950.3% |
| 2026-06-01 | 25.9K | — | +37.9% |
| 2026-05-25 | 18.8K | — | +4.3% |
| 2026-05-18 | 18.0K | — | +5.1% |
| 2026-05-11 | 17.1K | — | -54.6% |
| 2026-05-04 | 37.8K | — | +84.8% |
| 2026-04-27 | 20.4K | — | — |
| 2026-03-23 | 40.3K | — | -21.3% |