| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 19 | 19 | 0.00% | 0.03% | 0.11% | Q4 2014 | Q2 2019 | 19 |
| Timber Hill LLC | 16 | 16 | 0.00% | 0.02% | 0.04% | Q2 2013 | Q1 2017 | 16 |
| Citadel Advisors | 13 | 13 | 0.00% | 0.01% | 0.01% | Q2 2013 | Q2 2016 | 13 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 7 | 7 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q1 2020 | 7 |
| Virtu KCG Holdings LLC | 6 | 1 | 0.00% | 0.01% | 0.02% | Q3 2013 | Q4 2015 | 7 |
| JPMORGAN CHASE & CO | 5 | 1 | 0.00% | 0.01% | 0.03% | Q2 2016 | Q2 2019 | 7 |
| Allianz Asset Management GmbH | 6 | 6 | 0.00% | 0.01% | 0.01% | Q4 2017 | Q1 2019 | 6 |
| SG Americas Securities, LLC | 5 | 5 | 0.00% | 0.00% | 0.00% | Q4 2017 | Q4 2018 | 5 |
| GROUP ONE TRADING, L.P. | 3 | 2 | 0.00% | 0.04% | 0.12% | Q4 2017 | Q2 2019 | 5 |
| SUMMIT SECURITIES GROUP LLC | 2 | 2 | 0.56% | 2.73% | 4.78% | Q1 2019 | Q2 2019 | 4 |
| Pentwater Capital Management LP | 3 | 3 | 0.63% | 0.82% | 0.97% | Q4 2018 | Q2 2019 | 3 |
| ADVENT CAPITAL MANAGEMENT /DE/ | 2 | 2 | 0.00% | 0.00% | 0.00% | Q3 2016 | Q4 2016 | 2 |
| WATER ISLAND CAPITAL LLC | 2 | 2 | 0.00% | 0.00% | 0.01% | Q1 2019 | Q2 2019 | 2 |
| Hudson Bay Capital Management LP | 1 | 1 | 0.12% | 0.12% | 0.12% | Q4 2018 | Q4 2018 | 1 |
| IMC-Chicago, LLC | 1 | 1 | 0.01% | 0.01% | 0.01% | Q4 2018 | Q4 2018 | 1 |
| LUPO SECURITIES, LLC | 1 | 1 | 0.01% | 0.01% | 0.01% | Q4 2014 | Q4 2014 | 1 |
| PEAK6 Group LLC | 1 | 1 | 0.03% | 0.03% | 0.03% | Q3 2014 | Q3 2014 | 1 |
| Achievement Holdings L.P. | 1 | 1 | 0.03% | 0.03% | 0.03% | Q4 2014 | Q4 2014 | 1 |
| Thrax Management, LLC | 1 | 1 | 0.26% | 0.26% | 0.26% | Q4 2015 | Q4 2015 | 1 |
| KNIGHT CAPITAL GROUP LLC | 1 | 1 | 0.03% | 0.03% | 0.03% | Q2 2013 | Q2 2013 | 1 |
This page lists all the filers that currently own RED HAT INC or have owned RED HAT INC in the past.