<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial
information extracted from Boston Advisors Trust
financial statements at October 31, 2000
and is qualified in its entirety by reference
to such financial statements.
</LEGEND>
<SERIES>
<NUMBER> 011
<NAME> Boston Advisors Cash Reserves Fund
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> APR-30-2001
<PERIOD-END> OCT-31-2000
<INVESTMENTS-AT-COST> 880,428,933
<INVESTMENTS-AT-VALUE> 880,428,933
<RECEIVABLES> 119,052
<ASSETS-OTHER> 376
<OTHER-ITEMS-ASSETS> 119,713
<TOTAL-ASSETS> 880,668,074
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2,826,377
<TOTAL-LIABILITIES> 2,826,377
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 877,841,697
<SHARES-COMMON-STOCK> 877,841,697
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 877,841,697
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 22,519,683
<OTHER-INCOME> 0
<EXPENSES-NET> 3,011,604
<NET-INVESTMENT-INCOME> 19,508,079
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 19,508,079
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (19,508,079)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,111,781,038
<NUMBER-OF-SHARES-REDEEMED> 1,250,770,946
<SHARES-REINVESTED> 16,781,605
<NET-CHANGE-IN-ASSETS> 877,791,697
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,840,425
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,346,227
<AVERAGE-NET-ASSETS> 819,741,289
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.02
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.02)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.90
</TABLE>
