| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 9 | 4 | 0.00% | 0.00% | 0.00% | Q4 2014 | Q1 2018 | 13 |
| GROUP ONE TRADING, L.P. | 9 | 1 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q4 2016 | 12 |
| Citadel Advisors | 11 | 11 | 0.00% | 0.00% | 0.00% | Q4 2013 | Q2 2016 | 11 |
This page lists all the filers that currently own WGL HLDGS INC or have owned WGL HLDGS INC in the past.