| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 13 | 13 | 0.00% | 0.00% | 0.00% | Q4 2014 | Q4 2017 | 13 |
| Citadel Advisors | 8 | 1 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q2 2016 | 11 |
| GROUP ONE TRADING, L.P. | 7 | 2 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q3 2017 | 9 |
| Timber Hill LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q2 2013 | 1 |
This page lists all the filers that currently own HEALTHSOUTH CORP or have owned HEALTHSOUTH CORP in the past.