| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| Timber Hill LLC | 9 | 9 | 0.00% | 0.01% | 0.02% | Q2 2013 | Q2 2015 | 9 |
| Citadel Advisors | 9 | 9 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q2 2015 | 9 |
| GROUP ONE TRADING, L.P. | 2 | 1 | 0.00% | 0.02% | 0.05% | Q2 2013 | Q2 2015 | 3 |
| SIMPLEX TRADING, LLC | 3 | 3 | 0.00% | 0.00% | 0.00% | Q4 2014 | Q2 2015 | 3 |
| SG Americas Securities, LLC | 2 | 1 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q1 2015 | 3 |
| Pentwater Capital Management LP | 1 | 1 | 0.75% | 0.75% | 0.75% | Q2 2015 | Q2 2015 | 1 |
This page lists all the filers that currently own OMNICARE INC or have owned OMNICARE INC in the past.