| Index Components as of: 12/01/11 |  | |
 | ||
| Company Name | Symbol | % Weighting |
|---|---|---|
| Qiagen N.V. | QGEN | 5.95% |
| Biogen Idec | BIIB | 5.72% |
| Myriad Genetics Inc. | MYGN | 5.68% |
| Incyte Corp. | INCY | 5.47% |
| Illumina Inc | ILMN | 5.47% |
| United Therapeutics Corp. | UTHR | 5.46% |
| Alexion Pharmaceuticals Inc. | ALXN | 5.41% |
| Amgen Inc | AMGN | 5.29% |
| Lifeline Systems Inc. | LIFE | 5.28% |
| Nektar Therapeutics | NKTR | 5.26% |
| Regeneron Pharmaceuticals | REGN | 5.18% |
| Gilead Sciences | GILD | 5.11% |
| Celgene Corp | CELG | 5.01% |
| Amylin Pharmaceuticals Inc. | AMLN | 5.00% |
| N.A. | SQNM | 4.56% |
| Dendreon Corp | DNDN | 4.53% |
| Affymetrix Inc | AFFX | 4.45% |
| InterMune Inc. | ITMN | 4.42% |
| Vertex Pharmaceuticals | VRTX | 3.75% |
| Human Genome Sciences | HGSI | 3.00% |
| ||