IWR Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
IWR dark pool volume for the week of 2026-07-20: 718.1K shares traded across 21 ATS venues with a total notional value of $78.5M. Volume is down 77.5% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in IWR 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 IWR.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 718.1K | — | -77.5% |
| 2026-07-13 | 3.2M | — | +176.6% |
| 2026-07-06 | 1.2M | — | +18.9% |
| 2026-06-29 | 970.7K | — | -4.6% |
| 2026-06-22 | 1.0M | — | +18.7% |
| 2026-06-15 | 857.2K | — | -37.0% |
| 2026-06-08 | 1.4M | — | +39.2% |
| 2026-06-01 | 977.5K | — | +15.2% |
| 2026-05-25 | 848.6K | — | -45.2% |
| 2026-05-18 | 1.5M | — | +47.9% |
| 2026-05-11 | 1.0M | — | -5.6% |
| 2026-05-04 | 1.1M | — | -44.9% |