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Form N-CSR - Certified Shareholder Report:
SEC Accession No. 0000932471-05-000484
Filing Date
2005-02-28
Accepted
2005-02-28 08:35:02
Documents
16
Period of Report
2004-12-31
Effectiveness Date
2005-02-28

Document Format Files

Seq Description Document Type Size
1 VANGUARD INSTITUTIONAL INDEX FUND institutionalindex.htm N-CSR 2500250
2 GRAPHIC brennanpic.gif GRAPHIC 6327
3 GRAPHIC frontcover.gif GRAPHIC 89693
4 GRAPHIC if_stock8.gif GRAPHIC 2834
5 GRAPHIC ifbond8.gif GRAPHIC 3386
6 GRAPHIC instbondmountain.gif GRAPHIC 6619
7 GRAPHIC instindx_bar.gif GRAPHIC 5957
8 GRAPHIC instindx_mtn.gif GRAPHIC 5805
9 GRAPHIC insttsm_bar.gif GRAPHIC 2464
10 GRAPHIC insttsm_mtn.gif GRAPHIC 7034
11 GRAPHIC ship.gif GRAPHIC 3193
12 GRAPHIC sigjjb.gif GRAPHIC 1301
13 GRAPHIC yourfundreport.gif GRAPHIC 22595
14 CERT302 cert302.htm EX-31 13305
15 CERT906 cert906.htm EX-32 5705
16 CODE OF ETHICS codeofethics.htm EX-99.CODE ETH 28215
  Complete submission text file 0000932471-05-000484.txt   2707989
Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482 6106696295
VANGUARD INSTITUTIONAL INDEX FUND (Filer) CIK: 0000862084 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: N-CSR | Act: 40 | File No.: 811-06093 | Film No.: 05643210