MYGN Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
MYGN dark pool volume for the week of 2026-07-06: 1.0M shares traded across 25 ATS venues with a total notional value of $5.9M. Volume is down 17.0% week-over-week. Primary routing venues include , MS TRAJECTORY CROSS (ATS-1), INTELLIGENT CROSS LLC.
Dark pool activity in MYGN 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 MYGN.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 1.0M | — | -17.0% |
| 2026-06-29 | 1.2M | — | -18.8% |
| 2026-06-22 | 1.5M | — | +137.3% |
| 2026-06-15 | 625.7K | — | -42.4% |
| 2026-06-08 | 1.1M | — | -44.3% |
| 2026-06-01 | 1.9M | — | +37.1% |
| 2026-05-25 | 1.4M | — | -37.9% |
| 2026-05-18 | 2.3M | — | +40.5% |
| 2026-05-11 | 1.6M | — | -25.7% |
| 2026-05-04 | 2.2M | — | +81.7% |
| 2026-04-27 | 1.2M | — | — |
| 2026-03-23 | 1.4M | — | -45.9% |