| UPMC GROUP | $16,575,357,648 | $16,487,763,608 |
| HIGHMARK HEALTH GROUP | $3,934,196,713 | $3,849,234,820 |
| CARNEGIE MELLON UNIVERSITY | $1,850,131,561 | $1,438,488,964 |
| WEST PENN ALLEGHENY HEALTH SYSTEM INC | $1,378,645,187 | $1,236,121,346 |
| STEELWORKERS HEALTH AND WELFARE FUND | $818,745,391 | $820,253,254 |
| GBU FINANCIAL LIFE | $620,138,802 | $589,557,885 |
| 3M EMPLOYEES WELFARE BENEFITS ASSOCIATION TRUST II | $442,014,144 | $444,609,180 |
| UNITED STEEL PAPER AND FORESTRY RUBBER MANUFACTURING ENERGY ALLIED | $556,302,084 | $434,556,144 |
| DUKE ENERGY CORP WELFARE BENEFITS TRUST VEBA I | $431,731,523 | $425,082,319 |
| DUQUESNE UNIVERSITY OF THE HOLY SPIRIT | $434,180,406 | $422,073,851 |
| GEICO CORPORATION WELFARE PLANS TRUST | $420,414,279 | $415,898,609 |
| UPMC | $306,280,875 | $381,173,135 |
| UPMC WILLIAMSPORT | $417,811,475 | $360,207,697 |
| ST CLAIR HEALTH CORPORATION GROUP RETURN | $368,559,134 | $345,990,464 |
| UPMC HAMOT AMENDED | $357,074,034 | $337,720,939 |
| ALLEGHENY SPECIALTY PRACTICE NETWORK | $222,042,981 | $331,646,077 |
| ALLEGHENY COUNTY SCHOOLS HEALTH INSURANCE CONSORTIUM | $335,088,068 | $321,789,286 |
| KPMG LLP HEALTH PLANS TRUST | $325,234,261 | $318,454,188 |
| HIGHMARK HEALTH | $331,096,827 | $313,498,195 |
| UNITED STATES STEEL CORPORATION ACTIVE EMPLOYEE INSURANCE BENEFITS TRUST | $274,514,359 | $274,679,372 |
| JEFFERSON REGIONAL MEDICAL CENTER | $261,706,088 | $269,436,000 |
| AMERICAN ELECTRIC POWER SYSTEM EMPLOYEES | $274,093,050 | $264,577,989 |
| NYNEX MGMT AND NON COLL BARGAINED RHB TRUST | $174,606 | $216,844,930 |
| ST CLAIR MEMORIAL HOSPITAL | $227,382,779 | $210,784,343 |
| UNITED STATES STEEL CORPORATION RETIREE INSURANCE BENEFITS TRUST | $207,159,700 | $205,133,330 |