IONR Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
IONR dark pool volume for the week of 2026-07-06: 49.9K shares traded across 19 ATS venues with a total notional value of $210K. Volume is down 7.2% week-over-week. Primary routing venues include , SIGMA X2, INTELLIGENT CROSS LLC.
Dark pool activity in IONR 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 IONR.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 49.9K | — | -7.2% |
| 2026-06-29 | 53.8K | — | -83.9% |
| 2026-06-22 | 334.6K | — | +997.2% |
| 2026-06-15 | 30.5K | — | -11.8% |
| 2026-06-08 | 34.6K | — | -64.9% |
| 2026-06-01 | 98.5K | — | +94.5% |
| 2026-05-25 | 50.7K | — | -22.8% |
| 2026-05-18 | 65.6K | — | -14.1% |
| 2026-05-11 | 76.3K | — | +53.8% |
| 2026-05-04 | 49.6K | — | -12.6% |
| 2026-04-27 | 56.7K | — | — |
| 2026-03-23 | 333.7K | — | +1807.1% |