GRX Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
GRX dark pool volume for the week of 2026-07-06: 2.8K shares traded across 10 ATS venues with a total notional value of $27K. Volume is down 31.1% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, MS POOL (ATS-4).
Dark pool activity in GRX 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 GRX.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 2.8K | — | -31.1% |
| 2026-06-29 | 4.1K | — | -85.4% |
| 2026-06-22 | 28.2K | — | +221.2% |
| 2026-06-15 | 8.8K | — | +195.1% |
| 2026-06-08 | 3.0K | — | -69.4% |
| 2026-06-01 | 9.7K | — | +204.0% |
| 2026-05-25 | 3.2K | — | -36.3% |
| 2026-05-18 | 5.0K | — | -64.3% |
| 2026-05-11 | 14.0K | — | +32.0% |
| 2026-05-04 | 10.6K | — | +23.5% |
| 2026-04-27 | 8.6K | — | — |
| 2026-03-23 | 21.7K | — | +69.2% |