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Filing Detail
Form N-CSRS - Certified Shareholder Report, Semi-Annual:
SEC Accession No. 0001104659-21-110115
Filing Date
2021-08-27
Accepted
2021-08-27 09:01:10
Documents
7
Period of Report
2021-06-30
Effectiveness Date
2021-08-27

Document Format Files

Seq Description Document Type Size
1 N-CSRS tm2124641d2_ncsrs.htm N-CSRS 6350848
2 EX-99.CERT tm2124641d2_ex99-cert.htm EX-99.CERT 13762
3 EX-99.906 CERT tm2124641d2_ex99-906cert.htm EX-99.906 CERT 8205
4 GRAPHIC img3ff196481.jpg GRAPHIC 4581
5 GRAPHIC imgf4c8b8d12.jpg GRAPHIC 4352
6 GRAPHIC imgf667b5741.jpg GRAPHIC 4581
7 GRAPHIC imgbab8128c2.jpg GRAPHIC 4352
  Complete submission text file 0001104659-21-110115.txt   6399848

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-CSRS | Act: 40 | File No.: 811-06093 | Film No.: 211214312