TLSA Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
TLSA dark pool volume for the week of 2026-07-06: 79.6K shares traded across 22 ATS venues with a total notional value of $99K. Volume is down 1.4% week-over-week. Primary routing venues include , IBKR ATS, MS POOL (ATS-4).
Dark pool activity in TLSA 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 TLSA.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 79.6K | — | -1.4% |
| 2026-06-29 | 80.7K | — | +56.4% |
| 2026-06-22 | 51.6K | — | -45.8% |
| 2026-06-15 | 95.2K | — | +9.2% |
| 2026-06-08 | 87.2K | — | -42.2% |
| 2026-06-01 | 150.9K | — | +95.5% |
| 2026-05-25 | 77.2K | — | -72.1% |
| 2026-05-18 | 276.7K | — | +166.5% |
| 2026-05-11 | 103.8K | — | +29.2% |
| 2026-05-04 | 80.4K | — | +77.0% |
| 2026-04-27 | 45.4K | — | — |
| 2026-03-23 | 117.4K | — | +132.7% |