CLGN Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
CLGN dark pool volume for the week of 2026-07-06: 2.8K shares traded across 11 ATS venues with a total notional value of $1K. Volume is down 62.5% week-over-week. Primary routing venues include , IBKR ATS, INTELLIGENT CROSS LLC.
Dark pool activity in CLGN 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 CLGN.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 2.8K | — | -62.5% |
| 2026-06-29 | 7.5K | — | +25.2% |
| 2026-06-22 | 6.0K | — | -45.5% |
| 2026-06-15 | 10.9K | — | -4.0% |
| 2026-06-08 | 11.4K | — | +32.4% |
| 2026-06-01 | 8.6K | — | -24.9% |
| 2026-05-25 | 11.5K | — | +355.6% |
| 2026-05-18 | 2.5K | — | +44.8% |
| 2026-05-11 | 1.7K | — | -37.5% |
| 2026-05-04 | 2.8K | — | -80.8% |
| 2026-04-27 | 14.5K | — | — |
| 2026-03-23 | 6.8K | — | +261.6% |