SPRB Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
SPRB dark pool volume for the week of 2026-07-06: 56.8K shares traded across 22 ATS venues with a total notional value of $2.9M. Volume is down 25.0% week-over-week. Primary routing venues include , UBS ATS, MS POOL (ATS-4).
Dark pool activity in SPRB 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 SPRB.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 56.8K | — | -25.0% |
| 2026-06-29 | 75.7K | — | -12.5% |
| 2026-06-22 | 86.6K | — | +29.5% |
| 2026-06-15 | 66.8K | — | +61.7% |
| 2026-06-08 | 41.3K | — | -25.6% |
| 2026-06-01 | 55.6K | — | -4.8% |
| 2026-05-25 | 58.4K | — | -43.2% |
| 2026-05-18 | 102.8K | — | +76.8% |
| 2026-05-11 | 58.2K | — | +25.4% |
| 2026-05-04 | 46.4K | — | -44.4% |
| 2026-04-27 | 83.5K | — | — |
| 2026-03-23 | 47.1K | — | +99.1% |