| Company | Symbol | % Assets |
|---|
| UnitedHealth Group Incorporated | UNH | 14.44 |
| Express Scripts Holding Company | ESRX | 11.96 |
| WellPoint, Inc. Common Stock | WLP | 6.66 |
| Cigna Corporation Common Stock | CI | 6.05 |
| Aetna Inc. Common Stock | AET | 5.73 |
| Humana Inc. Common Stock | HUM | 4.13 |
| HCA Holdings, Inc. Common Stock | HCA | 3.87 |
| DaVita HealthCare Partners Inc. | DVA | 3.83 |
| Quest Diagnostics Incorporated | DGX | 3.51 |
| Laboratory Corporation of Ameri | LH | 3.34 |