UCB Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
UCB dark pool volume for the week of 2026-07-06: 806.4K shares traded across 24 ATS venues with a total notional value of $28.4M. Volume is down 13.4% week-over-week. Primary routing venues include , UBS ATS, INTELLIGENT CROSS LLC.
Dark pool activity in UCB 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 UCB.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 806.4K | — | -13.4% |
| 2026-06-29 | 931.5K | — | -27.6% |
| 2026-06-22 | 1.3M | — | +53.5% |
| 2026-06-15 | 838.6K | — | +2.7% |
| 2026-06-08 | 816.4K | — | -15.7% |
| 2026-06-01 | 968.6K | — | +76.7% |
| 2026-05-25 | 548.4K | — | -1.8% |
| 2026-05-18 | 558.2K | — | -12.2% |
| 2026-05-11 | 635.9K | — | +42.2% |
| 2026-05-04 | 447.1K | — | -37.3% |
| 2026-04-27 | 712.7K | — | — |
| 2026-03-23 | 683.0K | — | -21.1% |