NEPH Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-06
NEPH dark pool volume for the week of 2026-07-06: 605 shares traded across 10 ATS venues with a total notional value of $2K. Volume is down 73.3% week-over-week. Primary routing venues include , INTELLIGENT CROSS LLC, SIGMA X2.
Dark pool activity in NEPH 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 NEPH.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-06 | 605 | — | -73.3% |
| 2026-06-29 | 2.3K | — | +110.2% |
| 2026-06-22 | 1.1K | — | -20.2% |
| 2026-06-15 | 1.3K | — | -53.4% |
| 2026-06-08 | 2.9K | — | -64.5% |
| 2026-06-01 | 8.2K | — | +285.0% |
| 2026-05-25 | 2.1K | — | -79.5% |
| 2026-05-18 | 10.3K | — | -48.6% |
| 2026-05-11 | 20.1K | — | +151.9% |
| 2026-05-04 | 8.0K | — | +75.4% |
| 2026-04-27 | 4.6K | — | — |
| 2026-03-23 | 11.6K | — | -67.9% |