| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| Timber Hill LLC | 2 | 2 | 0.01% | 0.01% | 0.01% | Q2 2013 | Q3 2013 | 2 |
| Citadel Advisors | 2 | 2 | 0.00% | 0.01% | 0.01% | Q2 2013 | Q3 2013 | 2 |
| GROUP ONE TRADING, L.P. | 2 | 2 | 0.03% | 0.05% | 0.08% | Q2 2013 | Q3 2013 | 2 |
This page lists all the filers that currently own SOURCEFIRE INC or have owned SOURCEFIRE INC in the past.