<PAGE> PAGE 1
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<PAGE> PAGE 2
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<PAGE> PAGE 3
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<PAGE> PAGE 4
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<PAGE> PAGE 7
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<PAGE> PAGE 8
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<PAGE> PAGE 10
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<PAGE> PAGE 11
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<PAGE> PAGE 12
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<PAGE> PAGE 13
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<PAGE> PAGE 14
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<PAGE> PAGE 15
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<PAGE> PAGE 16
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<PAGE> PAGE 17
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SIGNATURE KELLY O'NEILL
TITLE CORP COMPLIANCE ADM
[ARTICLE] 6
[CIK] 0001028621
[NAME] METROPOLITAN WEST FUNDS
[SERIES]
[NUMBER] 1
[NAME] METROPOLITAN WEST LOW DURATION BOND FUND
[MULTIPLIER] 1
<TABLE>
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] MAR-31-2000
[PERIOD-START] APR-01-1999
[PERIOD-END] SEP-30-1999
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[SHARES-COMMON-PRIOR] 23175723
[ACCUMULATED-NII-CURRENT] 0
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] 1386200
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] (2121072)
[NET-ASSETS] 319658624
[DIVIDEND-INCOME] 0
[INTEREST-INCOME] 10149097
[OTHER-INCOME] 0
[EXPENSES-NET] 790334
[NET-INVESTMENT-INCOME] 9358763
[REALIZED-GAINS-CURRENT] 1006558
[APPREC-INCREASE-CURRENT] (2059125)
[NET-CHANGE-FROM-OPS] 8200142
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] 9358763
[DISTRIBUTIONS-OF-GAINS] 0
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 12146732
[NUMBER-OF-SHARES-REDEEMED] 4469361
[SHARES-REINVESTED] 742616
[NET-CHANGE-IN-ASSETS] 84321439
[ACCUMULATED-NII-PRIOR] 0
[ACCUMULATED-GAINS-PRIOR] 379641
[OVERDISTRIB-NII-PRIOR] 0
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[GROSS-EXPENSE] 933740
[AVERAGE-NET-ASSETS] 272097993
[PER-SHARE-NAV-BEGIN] 10.15
[PER-SHARE-NII] 0.35
[PER-SHARE-GAIN-APPREC] (0.03)
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[PER-SHARE-DISTRIBUTIONS] 0
[RETURNS-OF-CAPITAL] 0
[PER-SHARE-NAV-END] 10.12
[EXPENSE-RATIO] 0.58
</TABLE>
[ARTICLE] 6
[CIK] 0001028621
[NAME] METROPOLITAN WEST FUNDS
[SERIES]
[NUMBER] 2
[NAME] METROPOLITAN WEST TOTAL RETURN BOND FUND
[MULTIPLIER] 1
<TABLE>
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] MAR-31-2000
[PERIOD-START] APR-01-1999
[PERIOD-END] SEP-30-1999
[INVESTMENTS-AT-COST] 153912162
[INVESTMENTS-AT-VALUE] 151059737
[RECEIVABLES] 14030862
[ASSETS-OTHER] 7718
[OTHER-ITEMS-ASSETS] 27944
[TOTAL-ASSETS] 165126261
[PAYABLE-FOR-SECURITIES] 9544849
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 1081467
[TOTAL-LIABILITIES] 10626316
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 158690183
[SHARES-COMMON-STOCK] 15116065
[SHARES-COMMON-PRIOR] 10941629
[ACCUMULATED-NII-CURRENT] 0
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[ACCUMULATED-NET-GAINS] (1305063)
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] (2885175)
[NET-ASSETS] 154499945
[DIVIDEND-INCOME] 0
[INTEREST-INCOME] 5339112
[OTHER-INCOME] 0
[EXPENSES-NET] 431096
[NET-INVESTMENT-INCOME] 4908016
[REALIZED-GAINS-CURRENT] (1260971)
[APPREC-INCREASE-CURRENT] (2620632)
[NET-CHANGE-FROM-OPS] 993663
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] 4908016
[DISTRIBUTIONS-OF-GAINS] 0
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 5539663
[NUMBER-OF-SHARES-REDEEMED] 1722446
[SHARES-REINVESTED] 357219
[NET-CHANGE-IN-ASSETS] 39266787
[ACCUMULATED-NII-PRIOR] 0
[ACCUMULATED-GAINS-PRIOR] (44092)
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
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[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 532639
[AVERAGE-NET-ASSETS] 132354381
[PER-SHARE-NAV-BEGIN] 10.53
[PER-SHARE-NII] 0.38
[PER-SHARE-GAIN-APPREC] (0.31)
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[RETURNS-OF-CAPITAL] 0
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[EXPENSE-RATIO] 0.65
</TABLE>
[ARTICLE] 6
[CIK] 0001028621
[NAME] METROPOLITAN WEST FUNDS
[SERIES]
[NUMBER] 3
[NAME] METROPOLILTAN WEST ALPHATRAK 500 FUND
[MULTIPLIER] 1
<TABLE>
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] MAR-31-2000
[PERIOD-START] APR-01-1999
[PERIOD-END] SEP-30-1999
[INVESTMENTS-AT-COST] 9083020
[INVESTMENTS-AT-VALUE] 9049528
[RECEIVABLES] 499808
[ASSETS-OTHER] 411
[OTHER-ITEMS-ASSETS] 15959
[TOTAL-ASSETS] 9565706
[PAYABLE-FOR-SECURITIES] 255605
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 41998
[TOTAL-LIABILITIES] 297603
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 8818705
[SHARES-COMMON-STOCK] 832706
[SHARES-COMMON-PRIOR] 711012
[ACCUMULATED-NII-CURRENT] 153378
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] 797328
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] (501308)
[NET-ASSETS] 9268103
[DIVIDEND-INCOME] 1790
[INTEREST-INCOME] 329325
[OTHER-INCOME] 0
[EXPENSES-NET] 33966
[NET-INVESTMENT-INCOME] 297149
[REALIZED-GAINS-CURRENT] 433431
[APPREC-INCREASE-CURRENT] (69936)
[NET-CHANGE-FROM-OPS] 7695
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] 270469
[DISTRIBUTIONS-OF-GAINS] 0
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 155428
[NUMBER-OF-SHARES-REDEEMED] 56937
[SHARES-REINVESTED] 23203
[NET-CHANGE-IN-ASSETS] 1164178
[ACCUMULATED-NII-PRIOR] 126698
[ACCUMULATED-GAINS-PRIOR] 363897
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 24245
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 90374
[AVERAGE-NET-ASSETS] 9968999
[PER-SHARE-NAV-BEGIN] 11.40
[PER-SHARE-NII] 0.37
[PER-SHARE-GAIN-APPREC] (0.29)
[PER-SHARE-DIVIDEND] 0.35
[PER-SHARE-DISTRIBUTIONS] 0
[RETURNS-OF-CAPITAL] 0
[PER-SHARE-NAV-END] 11.13
[EXPENSE-RATIO] 0.68
</TABLE>
