ULBI Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
ULBI dark pool volume for the week of 2026-07-06: 16.8K shares traded across 18 ATS venues with a total notional value of $101K. Volume is up 24.1% week-over-week. Primary routing venues include , UBS ATS, INSTINCT X.
Dark pool activity in ULBI 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 ULBI.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 16.8K | — | +24.1% |
| 2026-06-29 | 13.5K | — | +12.9% |
| 2026-06-22 | 12.0K | — | +30.8% |
| 2026-06-15 | 9.2K | — | -60.5% |
| 2026-06-08 | 23.2K | — | -22.5% |
| 2026-06-01 | 29.9K | — | -36.5% |
| 2026-05-25 | 47.1K | — | +43.5% |
| 2026-05-18 | 32.8K | — | +87.6% |
| 2026-05-11 | 17.5K | — | -21.6% |
| 2026-05-04 | 22.3K | — | +138.8% |
| 2026-04-27 | 9.4K | — | — |
| 2026-03-23 | 23.0K | — | -37.6% |