EDGAR Filing Documents for 0001104659-19-011821

Form N-CSR - Certified Shareholder Report:

SEC Accession No. 0001104659-19-011821

Filing Date

2019-03-01

Accepted

2019-03-01 09:53:59

Documents

Period of Report

2018-12-31

Effectiveness Date

2019-03-01

Document Format Files

Seq	Description	Document	Type	Size
1	N-CSR	a19-2848_1ncsr.htm	N-CSR	3154238
2	EX-99.CODEETH	a19-2848_1ex99dcodeeth.htm	EX-99.CODEETH	28878
3	EX-99.CERT	a19-2848_1ex99dcert.htm	EX-99.CERT	17897
4	EX-99.906CERT	a19-2848_1ex99d906cert.htm	EX-99.906CERT	11565
5	GRAPHIC	tv514090_instindeximg01.jpg	GRAPHIC	7130
6	GRAPHIC	tv514090_instindeximg02.jpg	GRAPHIC	10845
7	GRAPHIC	tv514090_instindeximg03.jpg	GRAPHIC	4188
8	GRAPHIC	tv514090_instindeximg04.jpg	GRAPHIC	19752
9	GRAPHIC	tv514090_instindeximg05.jpg	GRAPHIC	360
10	GRAPHIC	tv514090_instindeximg06.jpg	GRAPHIC	384
11	GRAPHIC	tv514090_instindeximg07.jpg	GRAPHIC	339
12	GRAPHIC	tv514090_instmarketimg01.jpg	GRAPHIC	7130
13	GRAPHIC	tv514090_instmarketimg02.jpg	GRAPHIC	10845
14	GRAPHIC	tv514090_instmarketimg03.jpg	GRAPHIC	4188
15	GRAPHIC	tv514090_instmarketimg04.jpg	GRAPHIC	18196
16	GRAPHIC	tv514090_instmarketimg05.jpg	GRAPHIC	360
17	GRAPHIC	tv514090_instmarketimg06.jpg	GRAPHIC	384
	Complete submission text file	0001104659-19-011821.txt		3332600

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)