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Filing Detail
Form N-CSR - Certified Shareholder Report:
SEC Accession No. 0001104659-21-029830
Filing Date
2021-03-01
Accepted
2021-03-01 12:05:28
Documents
16
Period of Report
2020-12-31
Effectiveness Date
2021-03-01

Document Format Files

Seq Description Document Type Size
1 N-CSR tm213573d2_ncsr.htm N-CSR 6004917
2 EX-99.CODE ETH code-eth.htm EX-99.CODE ETH 53074
3 EX-99.CERT tm213573d2_ex99-cert.htm EX-99.CERT 20616
4 EX-99.906CERT tm213573d2_ex99-906cert.htm EX-99.906CERT 13736
5 GRAPHIC img9f2166591.jpg GRAPHIC 4595
6 GRAPHIC img830afe672.gif GRAPHIC 3128
7 GRAPHIC img381138ac3.jpg GRAPHIC 3243
8 GRAPHIC imgba8dbe4f4.jpg GRAPHIC 3301
9 GRAPHIC imgd9e8eda75.jpg GRAPHIC 3268
10 GRAPHIC img0be7a46a6.jpg GRAPHIC 4413
11 GRAPHIC imge2fa653e1.jpg GRAPHIC 4595
12 GRAPHIC imgbeb428da2.gif GRAPHIC 2437
13 GRAPHIC imgb92130dd3.jpg GRAPHIC 3243
14 GRAPHIC img933da4d54.jpg GRAPHIC 3301
15 GRAPHIC img383f0b495.jpg GRAPHIC 3268
16 GRAPHIC imgb14d7fd86.jpg GRAPHIC 4413
  Complete submission text file 0001104659-21-029830.txt   6154610

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)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: N-CSR | Act: 40 | File No.: 811-06093 | Film No.: 21696015