| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 33 | 1 | 0.00% | 0.00% | 0.02% | Q1 2015 | Q3 2023 | 34 |
| GROUP ONE TRADING, L.P. | 19 | 4 | 0.00% | 0.02% | 0.30% | Q3 2017 | Q3 2023 | 23 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| Citadel Advisors | 13 | 13 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q2 2016 | 13 |
| Twin Tree Management, LP | 6 | 6 | 0.01% | 0.02% | 0.06% | Q2 2022 | Q3 2023 | 6 |
| JANE STREET GROUP, LLC | 6 | 6 | 0.00% | 0.00% | 0.00% | Q2 2022 | Q3 2023 | 6 |
| HBK INVESTMENTS L P | 3 | 2 | 0.02% | 0.05% | 0.11% | Q3 2019 | Q4 2020 | 5 |
| IMC-Chicago, LLC | 1 | 1 | 0.00% | 0.00% | 0.01% | Q4 2018 | Q2 2022 | 3 |
| Allianz Asset Management GmbH | 2 | 2 | 0.00% | 0.00% | 0.00% | Q3 2021 | Q4 2021 | 2 |
| Hudson Bay Capital Management LP | 2 | 2 | 0.00% | 0.03% | 0.05% | Q4 2016 | Q1 2017 | 2 |
| Marathon Trading Investment Management LLC | 2 | 2 | 0.01% | 0.02% | 0.03% | Q3 2017 | Q4 2017 | 2 |
| JPMORGAN CHASE & CO | 2 | 2 | 0.00% | 0.00% | 0.00% | Q3 2017 | Q4 2017 | 2 |
| PEAK6 Group LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2014 | Q3 2014 | 1 |
| Maven Securities LTD | 1 | 1 | 0.02% | 0.02% | 0.02% | Q3 2023 | Q3 2023 | 1 |
| CMT Asset Management Ltd | 1 | 1 | 0.06% | 0.06% | 0.06% | Q3 2017 | Q3 2017 | 1 |
| BOOTHBAY FUND MANAGEMENT, LLC | 1 | 1 | 0.16% | 0.16% | 0.16% | Q1 2019 | Q1 2019 | 1 |
| TWO SIGMA SECURITIES, LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2019 | Q3 2019 | 1 |
| CIBC WORLD MARKETS CORP | 1 | 1 | 0.21% | 0.21% | 0.21% | Q4 2015 | Q4 2015 | 1 |
This page lists all the filers that currently own EQUIFAX INC or have owned EQUIFAX INC in the past.