SPTN Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2025-09-15
SPTN dark pool volume for the week of 2025-09-15: 1.9M shares traded across 26 ATS venues with a total notional value of $51.0M. Volume is up 84.9% week-over-week. Primary routing venues include , LIQUIDNET H2O ATS, INTELLIGENT CROSS LLC.
Dark pool activity in SPTN 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 SPTN.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2025-09-15 | 1.9M | — | +84.9% |
| 2025-09-08 | 1.0M | — | +250.0% |
| 2025-09-01 | 296.8K | — | -28.0% |
| 2025-08-25 | 411.9K | — | -60.5% |
| 2025-08-18 | 1.0M | — | +21.2% |
| 2025-08-11 | 860.7K | — | +90.3% |
| 2025-08-04 | 452.4K | — | -12.6% |
| 2025-07-28 | 517.7K | — | -48.0% |
| 2025-07-21 | 995.0K | — | +72.9% |
| 2025-07-14 | 575.4K | — | -26.3% |
| 2025-07-07 | 780.3K | — | -40.3% |
| 2025-06-30 | 1.3M | — | -68.7% |