| Quarter | Holdings | Value ($000) | Top Holdings | Form Type | Date Filed | Filing ID |
|---|---|---|---|---|---|---|
| Q4 2015 | 127 | 656,313 | CELG, BIIB, GILD, AMGN | 13F-HR | 2/12/2016 | 000095012316014462 |
| Q3 2015 | 133 | 613,098 | GILD, CELG, BIIB, ABT | 13F-HR | 11/12/2015 | 000095012315011338 |
| Q2 2015 | 139 | 720,674 | BIIB, GILD, CELG, ABT | 13F-HR | 8/12/2015 | 000095012315008658 |
| Q1 2015 | 141 | 716,878 | BIIB, MDT, CELG, ABT | 13F-HR | 5/14/2015 | 000095012315005993 |