EDGAR Filing Documents for 0000932471-09-001631

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

SEC Accession No. 0000932471-09-001631

Filing Date

2009-09-04

Accepted

2009-09-04 10:28:16

Documents

Period of Report

2009-06-30

Effectiveness Date

2009-09-04

Document Format Files

Seq	Description	Document	Type	Size
1		instnlindex_final.htm	N-CSRS	7502599
2	GRAPHIC	indimg1.jpg	GRAPHIC	37001
3	GRAPHIC	indimg2.jpg	GRAPHIC	3678
4	GRAPHIC	indimg3.jpg	GRAPHIC	3649
5	GRAPHIC	indimg4.jpg	GRAPHIC	6165
6	GRAPHIC	indimg5.jpg	GRAPHIC	6876
7	GRAPHIC	indimg6.jpg	GRAPHIC	6597
8	GRAPHIC	indimg7.jpg	GRAPHIC	3794
9	GRAPHIC	tb1img1.jpg	GRAPHIC	18427
10	GRAPHIC	tb1img2.jpg	GRAPHIC	3928
11	GRAPHIC	tb1img3.jpg	GRAPHIC	3813
12	GRAPHIC	tb1img4.jpg	GRAPHIC	7277
13	GRAPHIC	tb3img1.jpg	GRAPHIC	1924
14	GRAPHIC	ts1img1.jpg	GRAPHIC	41081
15	GRAPHIC	ts1img2.jpg	GRAPHIC	1540
16	GRAPHIC	ts1img3.jpg	GRAPHIC	3039
17	GRAPHIC	ts1img4.jpg	GRAPHIC	2700
18	GRAPHIC	ts1img5.jpg	GRAPHIC	4054
19	GRAPHIC	ts1img6.jpg	GRAPHIC	11316
20	GRAPHIC	ts4img1.jpg	GRAPHIC	3022
21		cert302.htm	EX-31	14372
22		cert906.htm	EX-32	6913
	Complete submission text file	0000932471-09-001631.txt		7763422

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 S000002854		Vanguard Institutional Total Bond Market Index Fund
Class/Contract C000007827		Institutional Shares	VITBX
	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 6106696295

VANGUARD INSTITUTIONAL INDEX FUNDS (Filer) CIK: 0000862084 (see all company filings)