<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
OCC ACCUMULATION TRUST MANAGED PORTFOLIO FOR THE PERIOD ENDING JUNE 30, 2000.
</LEGEND>
<CIK> 0000923185
<NAME> OCC ACCUMULATION TRUST
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 673,688,603
<INVESTMENTS-AT-VALUE> 687,550,883
<RECEIVABLES> 30,276,853
<ASSETS-OTHER> 55,232
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 717,882,968
<PAYABLE-FOR-SECURITIES> 49,256,836
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,003,981
<TOTAL-LIABILITIES> 50,260,817
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 649,332,631
<SHARES-COMMON-STOCK> 17,482,123
<SHARES-COMMON-PRIOR> 18,429,335
<ACCUMULATED-NII-CURRENT> 7,840,521
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (3,413,281)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 13,862,280
<NET-ASSETS> 667,622,151
<DIVIDEND-INCOME> 3,930,392
<INTEREST-INCOME> 7,004,365
<OTHER-INCOME> 0
<EXPENSES-NET> 3,022,500
<NET-INVESTMENT-INCOME> 7,912,257
<REALIZED-GAINS-CURRENT> (2,656,551)
<APPREC-INCREASE-CURRENT> (28,915,723)
<NET-CHANGE-FROM-OPS> (23,660,017)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (10,093,638)
<DISTRIBUTIONS-OF-GAINS> (56,361,979)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,059,374
<NUMBER-OF-SHARES-REDEEMED> 3,883,863
<SHARES-REINVESTED> 1,877,277
<NET-CHANGE-IN-ASSETS> (136,845,105)
<ACCUMULATED-NII-PRIOR> 10,021,902
<ACCUMULATED-GAINS-PRIOR> 55,605,249
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,778,554
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,023,220<F1>
<AVERAGE-NET-ASSETS> 718,430,217
<PER-SHARE-NAV-BEGIN> 43.65
<PER-SHARE-NII> 0.49
<PER-SHARE-GAIN-APPREC> (2.10)
<PER-SHARE-DIVIDEND> (0.58)
<PER-SHARE-DISTRIBUTIONS> (3.27)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 38.19
<EXPENSE-RATIO> 0.84
<FN>
<F1>GROSS OF EXPENSE - $720
</FN>
</TABLE>
