| Company | Symbol | Filed By | Filing Date | Filing |
|---|---|---|---|---|
| Allianz Global Investors U.s. Holdings Llc | 2018-02-15 | |||
| Broad Run Investment Management, Llc | 2018-02-14 | |||
| Price T Rowe Associates Inc /md/ | 2018-02-14 | |||
| 2018-02-14 | ||||
| William Blair Investment Management, Llc | 2018-02-13 |