| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 20 | 20 | 0.00% | 0.01% | 0.03% | Q2 2013 | Q1 2018 | 20 |
| Citadel Advisors | 13 | 13 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q2 2016 | 13 |
| SIMPLEX TRADING, LLC | 13 | 13 | 0.00% | 0.00% | 0.00% | Q4 2014 | Q4 2017 | 13 |
| ADVANTAGE INVESTMENT MANAGEMENT, LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q4 2014 | Q4 2014 | 1 |
| PEAK6 Group LLC | 1 | 1 | 0.01% | 0.01% | 0.01% | Q3 2014 | Q3 2014 | 1 |
This page lists all the filers that currently own PENGROWTH ENERGY CORP or have owned PENGROWTH ENERGY CORP in the past.