| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| ADVENT CAPITAL MANAGEMENT /DE/ | 4 | 4 | 0.22% | 0.33% | 0.39% | Q4 2013 | Q3 2014 | 4 |
| DINSMORE CAPITAL MANAGEMENT CO/NJ | 4 | 4 | 0.72% | 0.82% | 0.90% | Q4 2013 | Q3 2014 | 4 |
| AMERIPRISE FINANCIAL INC | 3 | 3 | 0.00% | 0.00% | 0.00% | Q4 2013 | Q2 2014 | 3 |
| Invesco Ltd. | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2014 | Q3 2014 | 1 |
| MACKAY SHIELDS LLC | 1 | 1 | 0.21% | 0.21% | 0.21% | Q4 2013 | Q4 2013 | 1 |
This page lists all the filers that currently own PROOFPOINT INC or have owned PROOFPOINT INC in the past.