SIMS Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
SIMS dark pool volume for the week of 2026-07-06: 170 shares traded across 2 ATS venues with a total notional value of $8K. Volume is down 36.1% week-over-week. Primary routing venues include , UBS ATS, INTELLIGENT CROSS LLC.
Dark pool activity in SIMS 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 SIMS.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 170 | — | -36.1% |
| 2026-06-29 | 266 | — | +236.7% |
| 2026-06-22 | 79 | — | — |
| 2026-06-08 | 10 | — | — |
| 2026-05-25 | 13 | — | +550.0% |
| 2026-05-18 | 2 | — | -99.3% |
| 2026-05-11 | 265 | — | +13150.0% |
| 2026-05-04 | 2 | — | -99.6% |
| 2026-04-27 | 500 | — | — |
| 2026-03-23 | 9 | — | — |
| 2026-03-09 | 40 | — | — |
| 2026-02-02 | 840 | — | +2445.4% |