| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| ACK Asset Management | 1 | 1 | 4.53% | 4.53% | 4.53% | Q2 2013 | Q2 2013 | 1 |
This page lists all the filers that currently own US SILICA HOLDINGS INC or have owned US SILICA HOLDINGS INC in the past.