XOMA Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
XOMA dark pool volume for the week of 2026-07-06: 394.5K shares traded across 25 ATS venues with a total notional value of $17.4M. Volume is up 55.5% week-over-week. Primary routing venues include , MS POOL (ATS-4), UBS ATS.
Dark pool activity in XOMA 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 XOMA.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 394.5K | — | +55.5% |
| 2026-06-29 | 253.6K | — | -0.6% |
| 2026-06-22 | 255.2K | — | +223.4% |
| 2026-06-15 | 78.9K | — | -56.0% |
| 2026-06-08 | 179.1K | — | +83.9% |
| 2026-06-01 | 97.4K | — | +1.1% |
| 2026-05-25 | 96.3K | — | -37.8% |
| 2026-05-18 | 154.9K | — | -13.6% |
| 2026-05-11 | 179.2K | — | -31.0% |
| 2026-05-04 | 259.8K | — | -79.8% |
| 2026-04-27 | 1.3M | — | — |
| 2026-03-23 | 150.4K | — | +43.4% |