TABLE B-3
                                          15 LARGEST COLLECTIVE INVESTMENT FUND OPERATIONS
                                                BY ASSETS, GROUPED BY INSTITUTION
                                                        DECEMBER 31, 1997
                                                                   NUMBER      TOTAL ASSETS      TOTAL NUMBER
                 SEQ   NAME OF INSTITUTION                       OF FUNDS      (THOUS OF $)       OF ACCOUNTS
                   1   Barclays Global Investors, National Asso       355       348,963,681             3,294
                       SAN FRANCISCO, CA
                   2   State Street Bank and Trust Company            329       235,010,427            90,762
                       BOSTON, MA
                   3   Bankers Trust Company                           83       126,004,920            11,554
                       NEW YORK CITY, NY
                   4   Mellon Bank, National Association              105        86,968,585            38,110
                       PITTSBURGH, PA
                   5   Morgan Guaranty Trust Company of New Yor        48        52,604,323            12,902
                       NEW YORK CITY, NY
                   6   The Northern Trust Company                      31        37,035,735            36,569
                       CHICAGO, IL
                   7   Boston Safe Deposit and Trust Company           21        22,096,933             5,933
                       BOSTON, MA
                   8   Fidelity Management Trust Company               24        19,557,407             1,614
                       BOSTON, MA
                   9   Comerica Bank                                   33        14,549,492             8,049
                       DETROIT, MI
                  10   PNC Bank, National Association                  36        11,827,046            88,867
                       PITTSBURGH, PA
                  11   Wellington Trust Company, National Assoc        64        11,288,690               538
                       BOSTON, MA
                  12   Wells Fargo Bank, National Association          62        10,906,738            78,604
                       SAN FRANCISCO, CA
                  13   Bank of America National Trust and Savin        53        10,416,304            49,571
                       SAN FRANCISCO, CA
                  14   The Chase Manhattan Bank                        16         8,955,583             1,984
                       NEW YORK CITY, NY
                  15   Key Trust Company of Ohio, National Asso        35         8,738,657            65,223
                       CLEVELAND, OH