GRFS Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
GRFS dark pool volume for the week of 2026-07-06: 855.5K shares traded across 26 ATS venues with a total notional value of $6.1M. Volume is up 0.7% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, MS POOL (ATS-4).
Dark pool activity in GRFS 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 GRFS.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 855.5K | — | +0.7% |
| 2026-06-29 | 849.9K | — | -3.7% |
| 2026-06-22 | 882.6K | — | +232.8% |
| 2026-06-15 | 265.2K | — | -65.9% |
| 2026-06-08 | 778.6K | — | +41.0% |
| 2026-06-01 | 552.2K | — | -3.7% |
| 2026-05-25 | 573.4K | — | -25.9% |
| 2026-05-18 | 774.0K | — | +30.1% |
| 2026-05-11 | 594.8K | — | +13.5% |
| 2026-05-04 | 524.1K | — | +8.5% |
| 2026-04-27 | 483.2K | — | — |
| 2026-03-23 | 1.2M | — | +38.0% |