NPORT-P
    false
    
      
      
        
          0000351601
          XXXXXXXX
        
      
      
      
      
        S000001577
        C000137235
        C000137234
        C000027578
        C000004261
        C000004263
        C000004260
      
      
      
    
  
  
    
      RUSSELL INVESTMENT CO
      811-03153
      0000351601
      549300J63VJ9OS4TCK93
      1301 SECOND AVENUE
      18TH FLOOR
      SEATTLE
      
      98101
      800-787-7354
      Moderate Strategy Fund
      S000001577
      1PKJF0IQ0W6P2ANFY543
      2022-10-31
      2022-04-30
      N
    
    
      188789086.90
      138814.41
      188650272.49
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      0.00000000
      N
      
        
          
          
          
          
          
          
        
        
        
        
      
      
      
      
      
      
    
    
      
        Multifactor Bond Fund
        549300VRXC77M7KZRU37
        Multifactor Bond Fund
        78250F398
        
          
        
        3020985.33900000
        NS
        USD
        26886769.52000000
        14.25217634998
        Long
        EC
        RF
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Multifactor International Equity Fund
        5493004SX31W5EXJ2590
        Multifactor International Equity Fund
        78249R289
        
          
        
        799380.42600000
        NS
        USD
        7522169.81000000
        3.987362281917
        Long
        EC
        RF
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Multifactor U.S. Equity Fund
        549300PPT7741EJKD754
        Multifactor U.S. Equity Fund
        78249R347
        
          
        
        1145686.31000000
        NS
        USD
        17563371.13000000
        9.310016305929
        Long
        EC
        RF
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Emerging Markets Fund
        TUWQFBBWGP866F5SFO52
        Emerging Markets Fund
        782494439
        
          
        
        222352.27200000
        NS
        USD
        3635459.65000000
        1.927089530280
        Long
        EC
        RF
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        U.S. Small Cap Equity Fund
        Z3PZWNK5SYVMTLL03992
        U.S. Small Cap Equity Fund
        782493266
        
          
        
        287702.38600000
        NS
        USD
        7365181.08000000
        3.904145476593
        Long
        EC
        RF
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Strategic Bond Fund
        XI1M1CDVRC8YNT0B5804
        Strategic Bond Fund
        782493159
        
          
        
        6550677.40600000
        NS
        USD
        63083023.42000000
        33.43913718616
        Long
        EC
        RF
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Global Equity Fund
        VTHOU527SFHXM6LQY641
        Global Equity Fund
        782494447
        
          
        
        4217983.71700000
        NS
        USD
        34376567.29000000
        18.22237881571
        Long
        EC
        RF
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Unconstrained Total Return Fund
        549300XXLJ6MGU95XN21
        Unconstrained Total Return Fund
        78250F679
        
          
        
        442534.51500000
        NS
        USD
        3858900.97000000
        2.045531617350
        Long
        EC
        RF
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Global Real Estate Securities Fund
        12EWS3SG92VUE6HTB591
        Global Real Estate Securities Fund
        782478713
        
          
        
        164291.74200000
        NS
        USD
        5569490.05000000
        2.952283066696
        Long
        EC
        RF
        US
        N
        
        1
        
          N
          N
          N
        
      
      
        Multi-Strategy Income Fund
        549300A5DFWAE2ARUU44
        Multi-Strategy Income Fund
        78249R214
        
          
        
        1948771.97600000
        NS
        USD
        18922575.89000000
        10.03050546402
        Long
        EC
        RF
        US
        N
        
        1
        
          N
          N
          N
        
      
    
    
      
      
      
    
    
      2022-05-26
      RUSSELL INVESTMENT CO
      Mark Swanson
      Mark Swanson
      Treasurer, Chief Accounting Officer and Chief Financial Officer