| Period | Shares | % of portfolio | Activity | Value |
|---|---|---|---|---|
| Q3 2014 | 41,129,643 | 3.57% | — | $3.87B |
| Q2 2014 | 41,129,643 | 3.85% | — | $4.14B |
| Q1 2014 | 41,129,643 | 3.80% | — | $4.02B |
| Q4 2013 | 41,129,643 | 3.97% | Add 2.6% | $4.16B |
| Q3 2013 | 40,089,371 | 3.75% | Add 28.3% | $3.45B |
| Q2 2013 | 31,244,110 | 100.00% | start | $2.82B |