<SEC-DOCUMENT>0001752724-21-119868-index.html : 20210601 <SEC-HEADER>0001752724-21-119868.hdr.sgml : 20210601 <ACCEPTANCE-DATETIME>20210601131503 ACCESSION NUMBER: 0001752724-21-119868 CONFORMED SUBMISSION TYPE: NPORT-P PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20210331 FILED AS OF DATE: 20210601 PERIOD START: 20211231 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: NPORT-P SEC ACT: 1940 Act SEC FILE NUMBER: 811-02652 FILM NUMBER: 21984255 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>S000002844 <SERIES-NAME>Vanguard Mid-Cap Index Fund <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000007791 <CLASS-CONTRACT-NAME>Investor Shares <CLASS-CONTRACT-TICKER-SYMBOL>VIMSX </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000007792 <CLASS-CONTRACT-NAME>Admiral Shares <CLASS-CONTRACT-TICKER-SYMBOL>VIMAX </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000007793 <CLASS-CONTRACT-NAME>Institutional Shares <CLASS-CONTRACT-TICKER-SYMBOL>VMCIX </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000007794 <CLASS-CONTRACT-NAME>ETF Shares <CLASS-CONTRACT-TICKER-SYMBOL>VO </CLASS-CONTRACT> <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000096111 <CLASS-CONTRACT-NAME>Institutional Plus Shares <CLASS-CONTRACT-TICKER-SYMBOL>VMCPX </CLASS-CONTRACT> </SERIES> </EXISTING-SERIES-AND-CLASSES-CONTRACTS> </SERIES-AND-CLASSES-CONTRACTS-DATA> </SEC-HEADER> <DOCUMENT> <TYPE>NPORT-P <SEQUENCE>1 <FILENAME>primary_doc.xml <TEXT> Document 1 - file: primary_doc.html
Document 1 - RAW XML: primary_doc.xml
</DOCUMENT> <DOCUMENT> <TYPE>NPORT-EX <SEQUENCE>2 <FILENAME>vgmidcapindexfund033121.htm <TEXT> Document 2 - file: vgmidcapindexfund033121.htm
</DOCUMENT> </SEC-DOCUMENT>