| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 41 | 41 | 0.01% | 0.03% | 0.09% | Q2 2013 | Q2 2023 | 41 |
| SIMPLEX TRADING, LLC | 35 | 35 | 0.00% | 0.01% | 0.01% | Q4 2014 | Q2 2023 | 35 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 20 | 20 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q2 2023 | 20 |
| Timber Hill LLC | 18 | 18 | 0.00% | 0.02% | 0.05% | Q2 2013 | Q3 2017 | 18 |
| Citadel Advisors | 13 | 13 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q2 2016 | 13 |
| JPMORGAN CHASE & CO | 3 | 1 | 0.00% | 0.00% | 0.01% | Q4 2019 | Q1 2022 | 7 |
| JANE STREET GROUP, LLC | 5 | 5 | 0.00% | 0.00% | 0.01% | Q2 2022 | Q2 2023 | 5 |
| Hudson Bay Capital Management LP | 1 | 1 | 0.12% | 0.14% | 0.16% | Q3 2015 | Q4 2016 | 2 |
| PEAK6 Group LLC | 1 | 1 | 0.05% | 0.05% | 0.05% | Q3 2014 | Q3 2014 | 1 |
| TWO SIGMA SECURITIES, LLC | 1 | 1 | 0.03% | 0.03% | 0.03% | Q3 2019 | Q3 2019 | 1 |
| StratiFi, LLC | 1 | 1 | 0.10% | 0.10% | 0.10% | Q3 2015 | Q3 2015 | 1 |
This page lists all the filers that currently own MAGELLAN MIDSTREAM PRTNRS LP or have owned MAGELLAN MIDSTREAM PRTNRS LP in the past.