MDLN Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
MDLN dark pool volume for the week of 2026-07-20: 7.7M shares traded across 27 ATS venues with a total notional value of $297.2M. Volume is down 10.4% week-over-week. Off-exchange dark pool transactions account for 11.8% of total MDLN market volume — within the normal institutional baseline range. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in MDLN 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 MDLN.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 7.7M | 11.8% | -10.4% |
| 2026-07-13 | 8.6M | — | -5.7% |
| 2026-07-06 | 9.1M | — | -17.6% |
| 2026-06-29 | 11.1M | — | -8.7% |
| 2026-06-22 | 12.1M | — | +13.2% |
| 2026-06-15 | 10.7M | — | -25.1% |
| 2026-06-08 | 14.3M | 61.1% | -33.7% |
| 2026-06-01 | 21.6M | 44.1% | +46.2% |
| 2026-05-25 | 14.8M | 30.2% | -50.6% |
| 2026-05-18 | 29.9M | 61.2% | +140.0% |
| 2026-05-11 | 12.5M | 25.5% | -29.2% |
| 2026-05-04 | 17.6M | 36.1% | +186.4% |