<SEC-DOCUMENT>0000932471-15-006138-index.html : 20150428 <SEC-HEADER>0000932471-15-006138.hdr.sgml : 20150428 <ACCEPTANCE-DATETIME>20150428094953 ACCESSION NUMBER: 0000932471-15-006138 CONFORMED SUBMISSION TYPE: 497K PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20150428 DATE AS OF CHANGE: 20150428 EFFECTIVENESS DATE: 20150428 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: 15796939 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>S000002843 <SERIES-NAME>Vanguard Large-Cap Index Fund <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000007788 <CLASS-CONTRACT-NAME>Admiral Shares <CLASS-CONTRACT-TICKER-SYMBOL>VLCAX </CLASS-CONTRACT> </SERIES> </EXISTING-SERIES-AND-CLASSES-CONTRACTS> </SERIES-AND-CLASSES-CONTRACTS-DATA> </SEC-HEADER> <DOCUMENT> <TYPE>497K <SEQUENCE>1 <FILENAME>spi53070420151.htm <DESCRIPTION>LARGE-CAP SUMMARY ADM PTP <TEXT> Document 1 - file: spi53070420151.htm
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