| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| Citadel Advisors | 10 | 10 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q3 2015 | 10 |
| GROUP ONE TRADING, L.P. | 10 | 10 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q3 2015 | 10 |
| Timber Hill LLC | 10 | 10 | 0.00% | 0.01% | 0.01% | Q2 2013 | Q3 2015 | 10 |
| Virtu KCG Holdings LLC | 6 | 6 | 0.01% | 0.01% | 0.01% | Q3 2013 | Q4 2014 | 6 |
| SIMPLEX TRADING, LLC | 4 | 4 | 0.00% | 0.01% | 0.04% | Q4 2014 | Q3 2015 | 4 |
| MUFG Securities EMEA plc | 2 | 2 | 0.04% | 0.06% | 0.08% | Q2 2015 | Q3 2015 | 2 |
| PEAK6 Group LLC | 1 | 1 | 0.01% | 0.01% | 0.01% | Q3 2014 | Q3 2014 | 1 |
| KNIGHT CAPITAL GROUP LLC | 1 | 1 | 0.01% | 0.01% | 0.01% | Q2 2013 | Q2 2013 | 1 |
| Achievement Holdings L.P. | 1 | 1 | 0.04% | 0.04% | 0.04% | Q4 2014 | Q4 2014 | 1 |
This page lists all the filers that currently own RYLAND GROUP INC or have owned RYLAND GROUP INC in the past.