| Company | Share, % |
|---|---|
 MTS Systems
|
13.05 |
 WPX Energy, Inc.
|
7.36 |
 J2 Global, Inc.
|
5.1 |
 HC2 Holdings, Inc.
|
2.14 |
| Exterran Corporation | 1.73 |
| R. R. Donnelley & Sons Company | 0.77 |
| NeoPhotonics Corporation | 0.52 |
 Limelight Networks, Inc.
|
0.19 |
 Meredith Corporation
|
0.15 |
 Forterra, Inc.
|
0.12 |
