TLSI Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
TLSI dark pool volume for the week of 2026-07-06: 297.9K shares traded across 23 ATS venues with a total notional value of $1.2M. Volume is up 72.3% week-over-week. Primary routing venues include , MS POOL (ATS-4), INTELLIGENT CROSS LLC.
Dark pool activity in TLSI 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 TLSI.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 297.9K | — | +72.3% |
| 2026-06-29 | 172.9K | — | -35.2% |
| 2026-06-22 | 266.6K | — | -5.2% |
| 2026-06-15 | 281.2K | — | -27.1% |
| 2026-06-08 | 385.7K | — | +58.3% |
| 2026-06-01 | 243.7K | — | +16.3% |
| 2026-05-25 | 209.6K | — | -50.9% |
| 2026-05-18 | 427.2K | — | -70.8% |
| 2026-05-11 | 1.5M | — | +1475.4% |
| 2026-05-04 | 93.0K | — | -5.0% |
| 2026-04-27 | 97.9K | — | — |
| 2026-03-23 | 164.6K | — | -9.3% |