| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 28 | 28 | 0.00% | 0.02% | 0.05% | Q2 2014 | Q1 2021 | 28 |
| SIMPLEX TRADING, LLC | 26 | 26 | 0.00% | 0.01% | 0.04% | Q4 2014 | Q1 2021 | 26 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 11 | 11 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q1 2021 | 11 |
| Citadel Advisors | 9 | 9 | 0.00% | 0.00% | 0.00% | Q2 2014 | Q2 2016 | 9 |
| JPMORGAN CHASE & CO | 5 | 5 | 0.00% | 0.00% | 0.01% | Q4 2019 | Q4 2020 | 5 |
| IMC-Chicago, LLC | 4 | 4 | 0.00% | 0.01% | 0.02% | Q1 2020 | Q4 2020 | 4 |
| SG Americas Securities, LLC | 4 | 4 | 0.00% | 0.00% | 0.00% | Q1 2020 | Q4 2020 | 4 |
| Timber Hill LLC | 4 | 4 | 0.00% | 0.00% | 0.00% | Q1 2015 | Q4 2015 | 4 |
| Marathon Trading Investment Management LLC | 3 | 3 | 0.01% | 0.02% | 0.03% | Q4 2018 | Q2 2019 | 3 |
| Elite Wealth Management, Inc. | 2 | 2 | 0.00% | 0.00% | 0.00% | Q2 2014 | Q3 2014 | 2 |
| PEAK6 Group LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2014 | Q3 2014 | 1 |
| HRT FINANCIAL LP | 1 | 1 | 0.02% | 0.02% | 0.02% | Q1 2020 | Q1 2020 | 1 |
| Pentwater Capital Management LP | 1 | 1 | 0.06% | 0.06% | 0.06% | Q2 2020 | Q2 2020 | 1 |
| Maven Securities LTD | 1 | 1 | 0.31% | 0.31% | 0.31% | Q3 2020 | Q3 2020 | 1 |
This page lists all the filers that currently own GRUBHUB INC or have owned GRUBHUB INC in the past.