| Quarter | Name | Total no. shares held | Percent Holding | Pledged | Locked | ||
|---|---|---|---|---|---|---|---|
| shares | % | shares | % | ||||
| Dec 2017 | Employees Retirement System Of Texas - Self Managed Portfolio | 775,000 | 1.73% | 0 | 0.00% | 0 | 0.00% |
| Jun 2017 | Employees Retirement System Of Texas - Self Managed Portfolio | 553,000 | 1.39% | 0 | 0.00% | 0 | 0.00% |
| Mar 2017 | Employees Retirement System Of Texas - Self Managed Portfolio | 390,000 | 1.04% | 0 | 0.00% | 0 | 0.00% |