| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 14 | 14 | 0.00% | 0.02% | 0.08% | Q2 2013 | Q3 2016 | 14 |
| Citadel Advisors | 13 | 13 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q2 2016 | 13 |
| Timber Hill LLC | 5 | 1 | 0.00% | 0.01% | 0.03% | Q2 2013 | Q2 2016 | 10 |
| SIMPLEX TRADING, LLC | 8 | 8 | 0.00% | 0.01% | 0.01% | Q4 2014 | Q3 2016 | 8 |
| Virtu KCG Holdings LLC | 4 | 1 | 0.01% | 0.01% | 0.02% | Q3 2013 | Q4 2014 | 5 |
| Thrax Management, LLC | 3 | 3 | 0.16% | 0.44% | 0.74% | Q4 2015 | Q2 2016 | 3 |
| PEAK6 Group LLC | 1 | 1 | 0.01% | 0.01% | 0.01% | Q3 2014 | Q3 2014 | 1 |
| HARVEST MANAGEMENT LLC | 1 | 1 | 0.50% | 0.50% | 0.50% | Q3 2016 | Q3 2016 | 1 |
| KNIGHT CAPITAL GROUP LLC | 1 | 1 | 0.03% | 0.03% | 0.03% | Q2 2013 | Q2 2013 | 1 |
| TLP GROUP LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q4 2015 | Q4 2015 | 1 |
This page lists all the filers that currently own RACKSPACE HOSTING INC or have owned RACKSPACE HOSTING INC in the past.