EDR Dark Pool Activity

ATS off-exchange volume intelligence · Week of 2025-03-17

EDR dark pool volume for the week of 2025-03-17: 5.3M shares traded across 25 ATS venues with a total notional value of $151.6M. Volume is up 348.1% week-over-week. Primary routing venues include , UBS ATS, BIDS ATS.

Dark pool activity in EDR 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 2-week historical volume and complete venue breakdown for EDR.