| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 3 | 3 | 0.00% | 0.01% | 0.02% | Q4 2013 | Q2 2014 | 3 |
This page lists all the filers that currently own COWEN GROUP INC or have owned COWEN GROUP INC in the past.