| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 39 | 39 | 0.00% | 0.00% | 0.03% | Q4 2014 | Q2 2024 | 39 |
| GROUP ONE TRADING LLC | 39 | 39 | 0.00% | 0.01% | 0.06% | Q4 2014 | Q2 2024 | 39 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 24 | 24 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q2 2024 | 24 |
| Timber Hill LLC | 16 | 16 | 0.00% | 0.01% | 0.03% | Q2 2013 | Q1 2017 | 16 |
| IMC-Chicago, LLC | 6 | 1 | 0.00% | 0.00% | 0.00% | Q4 2018 | Q4 2023 | 15 |
| Citadel Advisors | 13 | 13 | 0.00% | 0.01% | 0.04% | Q2 2013 | Q2 2016 | 13 |
| JANE STREET GROUP, LLC | 9 | 9 | 0.00% | 0.00% | 0.01% | Q2 2022 | Q2 2024 | 9 |
| Virtu KCG Holdings LLC | 4 | 1 | 0.00% | 0.01% | 0.02% | Q3 2013 | Q4 2014 | 5 |
| Hudson Bay Capital Management LP | 3 | 3 | 0.13% | 0.26% | 0.34% | Q4 2014 | Q2 2015 | 3 |
| HBK INVESTMENTS L P | 3 | 3 | 0.04% | 0.04% | 0.04% | Q2 2017 | Q4 2017 | 3 |
| JPMORGAN CHASE & CO | 2 | 2 | 0.00% | 0.00% | 0.00% | Q3 2015 | Q4 2015 | 2 |
| AlphaCore Capital LLC | 1 | 1 | 0.01% | 0.01% | 0.01% | Q4 2023 | Q2 2024 | 2 |
| SG Americas Securities, LLC | 1 | 1 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q2 2016 | 2 |
| Maven Securities LTD | 1 | 1 | 0.03% | 0.03% | 0.03% | Q2 2021 | Q2 2021 | 1 |
| FBR & Co. | 1 | 1 | 0.02% | 0.02% | 0.02% | Q2 2013 | Q2 2013 | 1 |
| KNIGHT CAPITAL GROUP LLC | 1 | 1 | 0.03% | 0.03% | 0.03% | Q2 2013 | Q2 2013 | 1 |
| PEAK6 Group LLC | 1 | 1 | 0.02% | 0.02% | 0.02% | Q3 2014 | Q3 2014 | 1 |
| SOCIETE GENERALE | 1 | 1 | 0.01% | 0.01% | 0.01% | Q2 2016 | Q2 2016 | 1 |
| Blue Rock Advisors, LLC | 1 | 1 | 0.23% | 0.23% | 0.23% | Q3 2018 | Q3 2018 | 1 |
| Marathon Trading Investment Management LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q4 2014 | Q4 2014 | 1 |
This page lists all the filers that currently own SOUTHWESTERN ENERGY CO or have owned SOUTHWESTERN ENERGY CO in the past.