MTSR Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2025-11-10
MTSR dark pool volume for the week of 2025-11-10: 10.4M shares traded across 28 ATS venues with a total notional value of $731.3M. Volume is down 11.6% week-over-week. Primary routing venues include , UBS ATS, INTELLIGENT CROSS LLC.
Dark pool activity in MTSR 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 MTSR.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2025-11-10 | 10.4M | — | -11.6% |
| 2025-11-03 | 11.7M | — | — |
| 2025-10-20 | 823.5K | — | -40.6% |
| 2025-10-13 | 1.4M | — | -65.2% |
| 2025-10-06 | 4.0M | — | +45.2% |
| 2025-09-29 | 2.7M | — | -62.4% |
| 2025-09-22 | 7.3M | — | +228.7% |
| 2025-09-15 | 2.2M | — | -24.4% |
| 2025-09-08 | 2.9M | — | +54.3% |
| 2025-09-01 | 1.9M | — | -32.5% |
| 2025-08-25 | 2.8M | — | +28.6% |
| 2025-08-18 | 2.2M | — | +28.7% |