Form 485BPOS - Post-effective amendment [Rule 485(b)]:
SEC Accession No. 0001193125-26-081241
Filing Date
2026-02-27
Accepted
2026-02-27 12:22:06
Documents
403
Effectiveness Date
2026-03-01

Document Format Files

Seq Description Document Type Size
1 FORM 485BPOS d876338d485bpos.htm   iXBRL 485BPOS 22868370
2 EX-99.(H)(4)(1) d876338dex99h41.htm EX-99.(H)(4)(1) 204886
3 EX-99.(I)(1)(1) d876338dex99i11.htm EX-99.(I)(1)(1) 8454
4 EX-99.(J)(1)(1) d876338dex99j11.htm EX-99.(J)(1)(1) 6959
5 EX-99.(P)(1)(11) d876338dex99p111.htm EX-99.(P)(1)(11) 116336
6 EX-99.(P)(1)(14) d876338dex99p114.htm EX-99.(P)(1)(14) 157566
7 EX-99.(P)(1)(31) d876338dex99p131.htm EX-99.(P)(1)(31) 192305
8 EX-99.(P)(1)(34) d876338dex99p134.htm EX-99.(P)(1)(34) 131494
9 EX-99.(P)(1)(45) d876338dex99p145.htm EX-99.(P)(1)(45) 60458
10 EX-99.(P)(1)(48) d876338dex99p148.htm EX-99.(P)(1)(48) 80321
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  Complete submission text file 0001193125-26-081241.txt   55336076

Data Files

Seq Description Document Type Size
11 XBRL TAXONOMY EXTENSION SCHEMA cik0000351601-20260216.xsd EX-101.SCH 5308717
408 EXTRACTED XBRL INSTANCE DOCUMENT d876338d485bpos_htm.xml XML 4987983

Series and Classes/Contracts Information:

Existing
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001569   Emerging Markets Fund
Class/Contract C000004230   Class S REMSX
Class/Contract C000004231   Class C REMCX
Class/Contract C000043464   Class A REMAX
Class/Contract C000066900   Class Y REMYX
Class/Contract C000166195   Class R6 REGRX
Class/Contract C000178285   Class M RMMTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001570   Tax-Managed U.S. Large Cap Fund
Class/Contract C000004233   Class S RETSX
Class/Contract C000004234   Class C RTLCX
Class/Contract C000089689   Class A RTLAX
Class/Contract C000178286   Class M RTMTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001571   Tax-Managed U.S. Mid & Small Cap Fund
Class/Contract C000004236   Class S RTSSX
Class/Contract C000004237   Class C RTSCX
Class/Contract C000089690   Class A RTSAX
Class/Contract C000178295   Class M RTOUX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001575   Aggressive Strategy Fund
Class/Contract C000004250   Class A RALAX
Class/Contract C000004251   Class C RALCX
Class/Contract C000004253   Class S RALSX
Class/Contract C000027574   Class R1 RALRX
Class/Contract C000137231   Class R5 RALVX
Class/Contract C000178305   Class M RGTTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001576   Balanced Strategy Fund
Class/Contract C000004255   Class A RBLAX
Class/Contract C000004256   Class C RBLCX
Class/Contract C000004258   Class S RBLSX
Class/Contract C000027576   Class R1 RBLRX
Class/Contract C000137233   Class R5 RBLVX
Class/Contract C000178310   Class M RBSTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001577   Moderate Strategy Fund
Class/Contract C000004260   Class A RMLAX
Class/Contract C000004261   Class C RMLCX
Class/Contract C000004263   Class S RMLSX
Class/Contract C000027578   Class R1 RMLRX
Class/Contract C000137235   Class R5 RMLVX
Class/Contract C000178315   Class M RMTTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001578   Conservative Strategy Fund
Class/Contract C000004265   Class A RCLAX
Class/Contract C000004266   Class C RCLCX
Class/Contract C000004268   Class S RCLSX
Class/Contract C000027580   Class R1 RCLRX
Class/Contract C000137237   Class R5 RCLVX
Class/Contract C000178320   Class M RCNUX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001579   Global Real Estate Securities Fund
Class/Contract C000004269   Class S RRESX
Class/Contract C000004270   Class C RRSCX
Class/Contract C000043465   Class A RREAX
Class/Contract C000066901   Class Y RREYX
Class/Contract C000166197   Class R6 RRSRX
Class/Contract C000178325   Class M RETTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001580   Equity Aggressive Strategy Fund
Class/Contract C000004273   Class A REAAX
Class/Contract C000004274   Class C RELCX
Class/Contract C000004276   Class S RELSX
Class/Contract C000027582   Class R1 RELRX
Class/Contract C000137239   Class R5 RELVX
Class/Contract C000178330   Class M RQTTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001585   Equity Income Fund
Class/Contract C000004295   Class Y REAYX
Class/Contract C000066902   Class A RSQAX
Class/Contract C000066903   Class C REQSX
Class/Contract C000066904   Class S RLISX
Class/Contract C000166198   Class R6 RUCRX
Class/Contract C000178335   Class M RAAUX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001586   U.S. Small Cap Equity Fund
Class/Contract C000004298   Class Y REBYX
Class/Contract C000066905   Class A RLACX
Class/Contract C000066906   Class C RLECX
Class/Contract C000066907   Class S RLESX
Class/Contract C000166199   Class R6 RSCRX
Class/Contract C000178340   Class M RUNTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001587   Investment Grade Bond Fund
Class/Contract C000004301   Class Y RFAYX
Class/Contract C000053055   Class C RFACX
Class/Contract C000053056   Class S RFATX
Class/Contract C000089691   Class A RFAAX
Class/Contract C000166200   Class R6 RIGRX
Class/Contract C000178345   Class M RIWTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001588   International Developed Markets Fund
Class/Contract C000004304   Class Y RINYX
Class/Contract C000066908   Class C RLNCX
Class/Contract C000066909   Class S RINTX
Class/Contract C000066910   Class A RLNAX
Class/Contract C000166201   Class R6 RIDRX
Class/Contract C000178350   Class M RNTTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001589   Strategic Bond Fund
Class/Contract C000004307   Class Y RFCYX
Class/Contract C000066911   Class A RFDAX
Class/Contract C000066912   Class C RFCCX
Class/Contract C000066913   Class S RFCTX
Class/Contract C000166202   Class R6 RSBRX
Class/Contract C000178355   Class M RSYTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001591   Sustainable Aware Equity Fund
Class/Contract C000004313   Class Y REUYX
Class/Contract C000066914   Class A REQAX
Class/Contract C000066915   Class C REQCX
Class/Contract C000066916   Class S REQTX
Class/Contract C000166203   Class R6 RUDRX
Class/Contract C000178360   Class M RDFUX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001599   Tax-Exempt Bond Fund
Class/Contract C000004330   Class S RLVSX
Class/Contract C000004331   Class C RTECX
Class/Contract C000089692   Class A RTEAX
Class/Contract C000178365   Class M RBCUX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000001601   Short Duration Bond Fund
Class/Contract C000004336   Class S RFBSX
Class/Contract C000004337   Class C RSBCX
Class/Contract C000043470   Class A RSBTX
Class/Contract C000066918   Class Y RSBYX
Class/Contract C000166204   Class R6 RDBRX
Class/Contract C000178370   Class M RSDTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000015554   Global Equity Fund
Class/Contract C000042371   Class A RGEAX
Class/Contract C000042372   Class C RGECX
Class/Contract C000042374   Class S RGESX
Class/Contract C000066919   Class Y RLGYX
Class/Contract C000166205   Class R6 RGLRX
Class/Contract C000178375   Class M RGDTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000029198   Global Infrastructure Fund
Class/Contract C000089834   Class A RGIAX
Class/Contract C000089835   Class C RGCIX
Class/Contract C000089837   Class S RGISX
Class/Contract C000089838   Class Y RGIYX
Class/Contract C000166207   Class R6 RGIRX
Class/Contract C000178385   Class M RGFTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000029199   Opportunistic Credit Fund
Class/Contract C000089839   Class Y RGCYX
Class/Contract C000089840   Class A RGCAX
Class/Contract C000089841   Class C RGCCX
Class/Contract C000089843   Class S RGCSX
Class/Contract C000166208   Class R6 RGCRX
Class/Contract C000178390   Class M RGOTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000037466   U.S. Strategic Equity Fund
Class/Contract C000115674   Class A RSEAX
Class/Contract C000115675   Class C RSECX
Class/Contract C000115677   Class S RSESX
Class/Contract C000166212   Class R6 RESRX
Class/Contract C000178405   Class M RUSTX
Class/Contract C000198621   Class Y RUSPX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000045902   Multifactor U.S. Equity Fund
Class/Contract C000143043   Class A RTDAX
Class/Contract C000143044   Class C RTDCX
Class/Contract C000143046   Class S RTDSX
Class/Contract C000143047   Class Y RTDYX
Class/Contract C000148917   Class M RTDTX
Class/Contract C000166214   Class R6 RTDRX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000045903   Multifactor International Equity Fund
Class/Contract C000143048   Class Y RTIYX
Class/Contract C000143049   Class A RTIAX
Class/Contract C000143050   Class C RTICX
Class/Contract C000143052   Class S RTISX
Class/Contract C000148918   Class M RTITX
Class/Contract C000166215   Class R6 RTIRX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000048355   Tax-Managed International Equity Fund
Class/Contract C000152720   Class A RTNAX
Class/Contract C000152721   Class C RTNCX
Class/Contract C000152723   Class S RTNSX
Class/Contract C000178423   Class M RTIUX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000048356   Multi-Strategy Income Fund
Class/Contract C000152724   Class A RMYAX
Class/Contract C000152725   Class C RMYCX
Class/Contract C000152727   Class S RMYSX
Class/Contract C000152728   Class Y RMYYX
Class/Contract C000166216   Class R6 RMIRX
Class/Contract C000178428   Class M RGYTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000049244   Tax-Exempt High Yield Bond Fund
Class/Contract C000155368   Class A RTHAX
Class/Contract C000155369   Class C RTHCX
Class/Contract C000155371   Class S RTHSX
Class/Contract C000178433   Class M RHYTX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000055522   Multi-Asset Strategy Fund
Class/Contract C000174738   Class A RAZAX
Class/Contract C000174739   Class C RAZCX
Class/Contract C000174741   Class R6 RMGRX
Class/Contract C000174742   Class S RMGSX
Class/Contract C000174743   Class Y RMGYX
Class/Contract C000178443   Class M RMATX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000058644   Long Duration Bond Fund
Class/Contract C000192619   Class A RMHAX
Class/Contract C000192621   Class C RMHCX
Class/Contract C000192623   Class R6 RMHRX
Class/Contract C000192624   Class S RMHSX
Class/Contract C000192625   Class M RMHTX
Class/Contract C000192626   Class Y RMHYX
  Status Name Ticker Symbol
CIK 0000351601      
Series S000064943   Tax-Managed Real Assets Fund
Class/Contract C000210287   Class A RTXAX
Class/Contract C000210288   Class C RTXCX
Class/Contract C000210291   Class M RTXMX
Class/Contract C000210293   Class S RTXSX
Mailing Address 401 UNION STREET 18TH FLOOR SEATTLE WA
Business Address 401 UNION STREET 18TH FLOOR SEATTLE WA 800-787-7354
RUSSELL INVESTMENT CO (Filer) CIK: 0000351601 (see all company filings)

EIN.: 911151059 | State of Incorp.: MA | Fiscal Year End: 1031
Type: 485BPOS | Act: 40 | File No.: 811-03153 | Film No.: 26695711

Mailing Address 401 UNION STREET 18TH FLOOR SEATTLE WA
Business Address 401 UNION STREET 18TH FLOOR SEATTLE WA 800-787-7354
RUSSELL INVESTMENT CO (Filer) CIK: 0000351601 (see all company filings)

EIN.: 911151059 | State of Incorp.: MA | Fiscal Year End: 1031
Type: 485BPOS | Act: 33 | File No.: 002-71299 | Film No.: 26695710