| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| Timber Hill LLC | 10 | 10 | 0.00% | 0.01% | 0.02% | Q2 2013 | Q3 2015 | 10 |
| Citadel Advisors | 10 | 10 | 0.00% | 0.01% | 0.01% | Q2 2013 | Q3 2015 | 10 |
| SIMPLEX TRADING, LLC | 5 | 5 | 0.00% | 0.02% | 0.04% | Q4 2014 | Q4 2015 | 5 |
| Virtu KCG Holdings LLC | 1 | 1 | 0.01% | 0.01% | 0.01% | Q1 2014 | Q4 2014 | 2 |
| Thrax Management, LLC | 1 | 1 | 0.41% | 0.41% | 0.41% | Q4 2015 | Q4 2015 | 1 |
This page lists all the filers that currently own COMCAST CORP-SPECIAL CL A or have owned COMCAST CORP-SPECIAL CL A in the past.