| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 20 | 20 | 0.00% | 0.02% | 0.09% | Q2 2013 | Q1 2018 | 20 |
| SIMPLEX TRADING, LLC | 7 | 5 | 0.00% | 0.00% | 0.00% | Q1 2015 | Q1 2018 | 12 |
| Citadel Advisors | 10 | 10 | 0.00% | 0.00% | 0.00% | Q1 2014 | Q2 2016 | 10 |
This page lists all the filers that currently own POWERSHARES DB CMDTY IDX TRA or have owned POWERSHARES DB CMDTY IDX TRA in the past.