UHT Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
UHT dark pool volume for the week of 2026-07-06: 187.5K shares traded across 23 ATS venues with a total notional value of $8.3M. Volume is down 10.8% week-over-week. Primary routing venues include , MS POOL (ATS-4), MS TRAJECTORY CROSS (ATS-1).
Dark pool activity in UHT 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 UHT.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 187.5K | — | -10.8% |
| 2026-06-29 | 210.2K | — | -20.9% |
| 2026-06-22 | 265.9K | — | -7.2% |
| 2026-06-15 | 286.6K | — | +13.9% |
| 2026-06-08 | 251.6K | — | +327.5% |
| 2026-06-01 | 58.9K | — | -2.6% |
| 2026-05-25 | 60.4K | — | +4.0% |
| 2026-05-18 | 58.1K | — | -11.1% |
| 2026-05-11 | 65.4K | — | +23.9% |
| 2026-05-04 | 52.8K | — | -4.3% |
| 2026-04-27 | 55.2K | — | — |
| 2026-03-23 | 73.4K | — | -3.6% |