SONN Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2025-12-01
SONN dark pool volume for the week of 2025-12-01: 934.8K shares traded across 21 ATS venues with a total notional value of $1.8M. Volume is up 92.0% week-over-week. Primary routing venues include , UBS ATS, SIGMA X2.
Dark pool activity in SONN 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 SONN.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2025-12-01 | 934.8K | — | +92.0% |
| 2025-11-24 | 486.9K | — | -2.6% |
| 2025-11-17 | 500.0K | — | +4.1% |
| 2025-11-10 | 480.3K | — | +38.0% |
| 2025-11-03 | 348.2K | — | — |
| 2025-10-20 | 227.6K | — | +144.1% |
| 2025-10-13 | 93.2K | — | -2.6% |
| 2025-10-06 | 95.7K | — | -53.3% |
| 2025-09-29 | 204.9K | — | -33.7% |
| 2025-09-22 | 309.1K | — | -61.0% |
| 2025-09-15 | 792.8K | — | +42.5% |
| 2025-09-08 | 556.5K | — | +990.8% |