TFX Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
TFX dark pool volume for the week of 2026-07-20: 502.9K shares traded across 23 ATS venues with a total notional value of $67.1M. Volume is down 35.5% week-over-week. Primary routing venues include , UBS ATS, INTELLIGENT CROSS LLC.
Dark pool activity in TFX 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 TFX.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 502.9K | — | -35.5% |
| 2026-07-13 | 779.6K | — | +6.0% |
| 2026-07-06 | 735.8K | — | +28.6% |
| 2026-06-29 | 572.4K | — | -9.1% |
| 2026-06-22 | 629.6K | — | +45.1% |
| 2026-06-15 | 434.0K | — | -40.9% |
| 2026-06-08 | 734.1K | — | -21.5% |
| 2026-06-01 | 935.1K | — | +7.7% |
| 2026-05-25 | 868.3K | — | -20.1% |
| 2026-05-18 | 1.1M | — | +8.9% |
| 2026-05-11 | 997.4K | — | -36.4% |
| 2026-05-04 | 1.6M | — | +10.4% |