LUNG Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
LUNG dark pool volume for the week of 2026-07-06: 226.6K shares traded across 23 ATS venues with a total notional value of $333K. Volume is down 40.0% week-over-week. Primary routing venues include , INSTINCT X, INTELLIGENT CROSS LLC.
Dark pool activity in LUNG 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 LUNG.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 226.6K | — | -40.0% |
| 2026-06-29 | 377.9K | — | -42.5% |
| 2026-06-22 | 656.7K | — | +41.5% |
| 2026-06-15 | 464.1K | — | +362.9% |
| 2026-06-08 | 100.3K | — | -38.1% |
| 2026-06-01 | 162.1K | — | -3.0% |
| 2026-05-25 | 167.1K | — | -27.5% |
| 2026-05-18 | 230.4K | — | -69.2% |
| 2026-05-11 | 747.8K | — | +2.3% |
| 2026-05-04 | 730.7K | — | -35.7% |
| 2026-04-27 | 1.1M | — | — |
| 2026-03-23 | 387.9K | — | -9.3% |