CBIO Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
CBIO dark pool volume for the week of 2026-07-06: 329.0K shares traded across 24 ATS venues with a total notional value of $5.5M. Volume is down 11.0% week-over-week. Primary routing venues include , INSTINCT X, UBS ATS.
Dark pool activity in CBIO 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 CBIO.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 329.0K | — | -11.0% |
| 2026-06-29 | 369.8K | — | -0.6% |
| 2026-06-22 | 372.2K | — | +87.8% |
| 2026-06-15 | 198.2K | — | -25.1% |
| 2026-06-08 | 264.4K | — | -37.2% |
| 2026-06-01 | 420.7K | — | +0.7% |
| 2026-05-25 | 417.8K | — | +30.7% |
| 2026-05-18 | 319.8K | — | -6.2% |
| 2026-05-11 | 340.9K | — | -9.4% |
| 2026-05-04 | 376.2K | — | -22.0% |
| 2026-04-27 | 482.0K | — | — |
| 2026-03-23 | 511.2K | — | +133.5% |