EDGAR Filing Documents for 0000932471-17-005000

Form N-CSRS - Certified Shareholder Report, Semi-Annual:

SEC Accession No. 0000932471-17-005000

Filing Date

2017-08-25

Accepted

2017-08-25 09:53:52

Documents

Period of Report

2017-06-30

Effectiveness Date

2017-08-25

Document Format Files

Seq	Description	Document	Type	Size
1		institutionalindex_final.htm	N-CSRS	1592091
2		institutionalindex_cert302.htm	EX-99.CERT	18313
3		institutionalindex_cert906.htm	EX-99.906 CERT	15985
4		institutionalindex1_940x1x1.jpg	GRAPHIC	20146
5		institutionalindex1_940x36x1.jpg	GRAPHIC	2661
6		institutionalindex1_940x4x1.jpg	GRAPHIC	2569
7		institutionalindex1_940x7x1.jpg	GRAPHIC	2470
8		institutionalindex1_940x8x1.jpg	GRAPHIC	3727
9		institutionalindex1_940x9x1.jpg	GRAPHIC	8913
10		institutionaltotalstock1x1x1.jpg	GRAPHIC	18246
11		institutionaltotalstock1x4x1.jpg	GRAPHIC	2309
12		institutionaltotalstock1x7x1.jpg	GRAPHIC	2767
13		institutionaltotalstock1x8x1.jpg	GRAPHIC	3612
14		institutionaltotalstock1x9x1.jpg	GRAPHIC	9756
15		institutionaltotalstockx68x1.jpg	GRAPHIC	2699
	Complete submission text file	0000932471-17-005000.txt		1740400

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)