EDGAR Filing Documents for 0000932471-17-003360

Form N-CSR - Certified Shareholder Report:

SEC Accession No. 0000932471-17-003360

Filing Date

2017-02-27

Accepted

2017-02-27 17:04:43

Documents

Period of Report

2016-12-31

Effectiveness Date

2017-02-27

Document Format Files

Seq	Description	Document	Type	Size
1	VANGUARD INSTITUTIONAL INDEX FUNDS	institlindexfinal.htm	N-CSR	2041935
2	CERT302	instlindex_cert302.htm	EX-99.CERT	10136
3	CERT906	instlindex_cert906.htm	EX-99.906 CERT	4254
4	CODE OF ETHICS	coe2016.htm	EX-99.CODE ETH	46805
5		institutionalindexfundx10x1.jpg	GRAPHIC	5432
6		institutionalindexfundx11x1.jpg	GRAPHIC	10592
7		institutionalindexfundx1x1.jpg	GRAPHIC	22973
8		institutionalindexfundx36x1.jpg	GRAPHIC	2722
9		institutionalindexfundx4x1.jpg	GRAPHIC	2904
10		institutionalindexfundx7x1.jpg	GRAPHIC	2603
11		institutionalindexfundx8x1.jpg	GRAPHIC	4056
12		institutionaltotalstockx10x1.jpg	GRAPHIC	12136
13		institutionaltotalstockx1x1.jpg	GRAPHIC	23536
14		institutionaltotalstockx4x1.jpg	GRAPHIC	2766
15		institutionaltotalstockx64x1.jpg	GRAPHIC	2603
16		institutionaltotalstockx7x1.jpg	GRAPHIC	2611
17		institutionaltotalstockx8x1.jpg	GRAPHIC	4296
18		institutionaltotalstockx9x1.jpg	GRAPHIC	5912
19		institutionaltotalstockx9x2.jpg	GRAPHIC	729
	Complete submission text file	0000932471-17-003360.txt		2253395

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)