| Company | Symbol | Filed By | Filing Date | Filing |
|---|---|---|---|---|
| Zuckerman Investment Group, Llc | 2018-02-14 | |||
| Price T Rowe Associates Inc /md/ | 2018-02-14 | |||
| Janus Henderson Group Plc | 2018-02-12 | |||
| First Manhattan Co | 2018-02-09 | |||
| American Century Investment Management Inc | 2018-02-09 |