HHS Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
HHS dark pool volume for the week of 2026-07-06: 641 shares traded across 8 ATS venues with a total notional value of $2K. Volume is down 43.3% week-over-week. Primary routing venues include , ONECHRONOS, UBS ATS.
Dark pool activity in HHS 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 HHS.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 641 | — | -43.3% |
| 2026-06-29 | 1.1K | — | +53.5% |
| 2026-06-22 | 737 | — | +352.1% |
| 2026-06-15 | 163 | — | -80.7% |
| 2026-06-08 | 846 | — | +63.6% |
| 2026-06-01 | 517 | — | -38.2% |
| 2026-05-25 | 836 | — | +394.7% |
| 2026-05-18 | 169 | — | -51.6% |
| 2026-05-11 | 349 | — | -61.0% |
| 2026-05-04 | 894 | — | +58.2% |
| 2026-04-27 | 565 | — | — |
| 2026-03-23 | 358 | — | +34.6% |