| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| Citadel Advisors | 12 | 12 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q1 2016 | 12 |
| Timber Hill LLC | 5 | 5 | 0.00% | 0.01% | 0.01% | Q2 2013 | Q2 2014 | 5 |
| SIMPLEX TRADING, LLC | 5 | 5 | 0.00% | 0.01% | 0.03% | Q1 2015 | Q1 2016 | 5 |
| GROUP ONE TRADING, L.P. | 1 | 1 | 0.01% | 0.01% | 0.01% | Q2 2013 | Q2 2013 | 1 |
This page lists all the filers that currently own AIRGAS INC or have owned AIRGAS INC in the past.