<SEC-DOCUMENT>0001683863-21-002858-index.html : 20210429 <SEC-HEADER>0001683863-21-002858.hdr.sgml : 20210429 <ACCEPTANCE-DATETIME>20210428175051 ACCESSION NUMBER: 0001683863-21-002858 CONFORMED SUBMISSION TYPE: 497K PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20210429 DATE AS OF CHANGE: 20210428 EFFECTIVENESS DATE: 20210429 FILER: COMPANY DATA: COMPANY CONFORMED NAME: VANGUARD INDEX FUNDS CENTRAL INDEX KEY: 0000036405 IRS NUMBER: 231999755 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 497K SEC ACT: 1933 Act SEC FILE NUMBER: 002-56846 FILM NUMBER: 21866046 BUSINESS ADDRESS: STREET 1: PO BOX 2600 STREET 2: V26 CITY: VALLEY FORGE STATE: PA ZIP: 19482 BUSINESS PHONE: 6106691000 MAIL ADDRESS: STREET 1: PO BOX 2600 STREET 2: V26 CITY: VALLEY FORGE STATE: PA ZIP: 19482 FORMER COMPANY: FORMER CONFORMED NAME: VANGUARD INDEX FUNDS/ DATE OF NAME CHANGE: 20011121 FORMER COMPANY: FORMER CONFORMED NAME: VANGUARD INDEX TRUST DATE OF NAME CHANGE: 19920703 FORMER COMPANY: FORMER CONFORMED NAME: FIRST INDEX INVESTMENT TRUST DATE OF NAME CHANGE: 19800904 <SERIES-AND-CLASSES-CONTRACTS-DATA> <EXISTING-SERIES-AND-CLASSES-CONTRACTS> <SERIES> <OWNER-CIK>0000036405 <SERIES-ID>S000002845 <SERIES-NAME>Vanguard Small-Cap Index Fund <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000007795 <CLASS-CONTRACT-NAME>Investor Shares <CLASS-CONTRACT-TICKER-SYMBOL>NAESX </CLASS-CONTRACT> </SERIES> </EXISTING-SERIES-AND-CLASSES-CONTRACTS> </SERIES-AND-CLASSES-CONTRACTS-DATA> </SEC-HEADER> <DOCUMENT> <TYPE>497K <SEQUENCE>1 <FILENAME>f8937d1.htm <DESCRIPTION>VANGUARD SMALL-CAP INDEX FUND 497K <TEXT> Document 1 - file: f8937d1.htm
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>vanguard.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: vanguard.jpg
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