SAFECO INSTITUTIONAL SERIES TRUST
NSAR-B, 1997-03-03
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SIGNATURE   DAVE HILL                                    
TITLE       PRESIDENT           
 


To the Board of Trustees and Shareholders
 of SAFECO Managed Bond Trust Managed Bond Fund
 
In  planning and performing our audit of the financial statements
of  SAFECO  Managed Bond Trust   Managed Bond Fund for  the  year
ended  December  31,  1996, we considered  its  internal  control
structure,  including procedures for safeguarding securities,  in
order  to  determine our auditing procedures for the  purpose  of
expressing our opinion on the financial statements and to  comply
with  the requirements of Form N-SAR and not to provide assurance
on the internal control structure.

The  management  of SAFECO Managed Bond Trust is responsible  for
establishing  and maintaining an internal control structure.   In
fulfilling  this  responsibility,  estimates  and  judgments   by
management  are  required  to assess the  expected  benefits  and
related  costs of internal control policies and procedures.   Two
of the objectives of an internal control structure are to provide
management  with  reasonable, but not  absolute,  assurance  that
assets  are  safeguarded against loss from  unauthorized  use  or
disposition and that transactions are executed in accordance with
management's  authorization  and  recorded  properly  to   permit
preparation of financial statements in conformity with  generally
accepted accounting principles.

Because   of   inherent  limitations  in  any  internal   control
structure,  errors or irregularities may occur  and  may  not  be
detected.  Also, projection of any evaluation of the structure to
future  periods  is  subject  to the  risk  that  it  may  become
inadequate  because  of  changes  in  conditions  or   that   the
effectiveness of the design and operation may deteriorate.

Our  consideration  of the internal control structure  would  not
necessarily   disclose  all  matters  in  the  internal   control
structure  that  might  be  material weaknesses  under  standards
established  by  the  American  Institute  of  Certified   Public
Accountants.   A material weakness is a condition  in  which  the
design  or  operation of the specific internal control  structure
elements does not reduce to a relatively low level the risk  that
errors  or  irregularities in amounts that would be  material  in
relation to the financial statements being audited may occur  and
not be detected within a timely period by employees in the normal
course of performing their assigned functions.  However, we noted
no  matters  involving the internal control structure,  including
procedures  for safeguarding securities, that we consider  to  be
material weaknesses as defined above as of December 31, 1996.

This  report is intended solely for the information  and  use  of
management and the Securities and Exchange Commission.


January 31, 1997


WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000887437
<NAME> SAFECO INSTITUTIONAL SERIES TRUST
<SERIES>
   <NUMBER> 1
   <NAME> SAFECO IST - FIXED INCOME PORTFOLIO Class B
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                                              <C>
<PERIOD-TYPE>                   ANNUAL
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<PERIOD-START>                           JAN-01-1996
<PERIOD-END>                             DEC-31-1996
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<INVESTMENTS-AT-COST>                          4,376
<INVESTMENTS-AT-VALUE>                         4,373
<RECEIVABLES>                                     83
<ASSETS-OTHER>                                    27
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<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                         28
<TOTAL-LIABILITIES>                               28
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                       4,458
<SHARES-COMMON-STOCK>                            534
<SHARES-COMMON-PRIOR>                            513
<ACCUMULATED-NII-CURRENT>                          0
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<ACCUMULATED-NET-GAINS-LOSSES>                     0
<OVERDISTRIBUTION-GAINS>                           0
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</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000887437
<NAME> SAFECO INSTITUTIONAL SERIES TRUST
<SERIES>
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   <NAME> SAFECO IST - FIXED INCOME PORTFOLIO Class A
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<CURRENCY> U.S. DOLLARS
       
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<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000887437
<NAME> SAFECO INSTITUTIONAL SERIES TRUST
<SERIES>
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   <NAME> SAFECO IST - FIXED INCOME PORTFOLIO Class 1
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<CURRENCY> U.S. DOLLARS
       
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</TABLE>


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