| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| Citadel Advisors | 5 | 5 | 0.00% | 0.00% | 0.00% | Q2 2015 | Q2 2016 | 5 |
| SIMPLEX TRADING, LLC | 5 | 5 | 0.00% | 0.00% | 0.00% | Q3 2015 | Q3 2016 | 5 |
This page lists all the filers that currently own AMSURG CORP or have owned AMSURG CORP in the past.