| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 17 | 17 | 0.00% | 0.00% | 0.01% | Q4 2014 | Q4 2018 | 17 |
| GROUP ONE TRADING, L.P. | 3 | 1 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q4 2018 | 9 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 7 | 7 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q1 2020 | 7 |
| Citadel Advisors | 4 | 4 | 0.00% | 0.00% | 0.00% | Q3 2015 | Q2 2016 | 4 |
| PEAK6 Group LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2014 | Q3 2014 | 1 |
This page lists all the filers that currently own WESTERN GAS PARTNERS LP or have owned WESTERN GAS PARTNERS LP in the past.