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Filing Detail
Form N-CSRS - Certified Shareholder Report, Semi-Annual:
SEC Accession No. 0001104659-19-047907
Filing Date
2019-08-29
Accepted
2019-08-29 13:20:18
Documents
7
Period of Report
2019-06-30
Effectiveness Date
2019-08-29

Document Format Files

Seq Description Document Type Size
1 N-CSRS a19-16260_2ncsrs.htm N-CSRS 7991420
2 EX-99.CERT a19-16260_2ex99dcert.htm EX-99.CERT 17862
3 EX-99.906CERT a19-16260_2ex99d906cert.htm EX-99.906CERT 11298
4 GRAPHIC g162602bg01i001.gif GRAPHIC 3653
5 GRAPHIC g162602bi15i001.jpg GRAPHIC 4232
6 GRAPHIC g162602bi01i001.jpg GRAPHIC 3528
7 GRAPHIC g162602bg27i001.gif GRAPHIC 3442
  Complete submission text file 0001104659-19-047907.txt   8043825

Series and Classes/Contracts Information:

Existing
  Status Name Ticker Symbol
CIK 0000862084      
Series S000002853   Vanguard Institutional Index Fund
Class/Contract C000007825   Institutional Shares VINIX
Class/Contract C000007826   Institutional Plus Shares VIIIX
  Status Name Ticker Symbol
CIK 0000862084      
Series S000002855   Vanguard Institutional Total Stock Market Index Fund
Class/Contract C000007828   Institutional Shares VITNX
Class/Contract C000007829   Institutional Plus Shares VITPX
Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482 6106691000
VANGUARD INSTITUTIONAL INDEX FUNDS (Filer) CIK: 0000862084 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: N-CSRS | Act: 40 | File No.: 811-06093 | Film No.: 191065255