| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 7 | 2 | 0.00% | 0.00% | 0.00% | Q1 2016 | Q3 2018 | 9 |
| GROUP ONE TRADING, L.P. | 7 | 7 | 0.00% | 0.00% | 0.00% | Q2 2016 | Q4 2017 | 7 |
| CREDIT AGRICOLE S A | 1 | 1 | 0.00% | 0.00% | 0.00% | Q1 2017 | Q1 2017 | 1 |
| Citadel Advisors | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2016 | Q2 2016 | 1 |
This page lists all the filers that currently own PARKERVISION INC or have owned PARKERVISION INC in the past.