SSNC Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
SSNC dark pool volume for the week of 2026-07-20: 4.1M shares traded across 26 ATS venues with a total notional value of $285.3M. Volume is up 53.0% week-over-week. Off-exchange dark pool transactions account for 38.4% of total SSNC market volume — elevated above the typical 10–14% institutional baseline, potentially signaling active accumulation or distribution. Primary routing venues include , INTELLIGENT CROSS LLC, UBS ATS.
Dark pool activity in SSNC 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 SSNC.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 4.1M | 38.4% | +53.0% |
| 2026-07-13 | 2.7M | — | +0.8% |
| 2026-07-06 | 2.6M | — | +9.9% |
| 2026-06-29 | 2.4M | — | +4.4% |
| 2026-06-22 | 2.3M | — | +36.0% |
| 2026-06-15 | 1.7M | — | -44.5% |
| 2026-06-08 | 3.1M | — | -9.1% |
| 2026-06-01 | 3.4M | — | +53.5% |
| 2026-05-25 | 2.2M | — | -21.4% |
| 2026-05-18 | 2.8M | — | -7.5% |
| 2026-05-11 | 3.0M | — | +15.9% |
| 2026-05-04 | 2.6M | — | -22.0% |