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Filing Detail
Form N-CSRS - Certified Shareholder Report, Semi-Annual:
SEC Accession No. 0001104659-20-100520
Filing Date
2020-08-31
Accepted
2020-08-31 09:59:24
Documents
6
Period of Report
2020-06-30
Effectiveness Date
2020-08-31

Document Format Files

Seq Description Document Type Size
1 N-CSRS tm2026383d2-ncsrs.htm N-CSRS 3779874
2 EX-99.CERT tm2026383d2_ex99-cert.htm EX-99.CERT 13648
3 EX-99.906CERT tm2026383d2_ex99-906cert.htm EX-99.906CERT 7323
4 GRAPHIC tm2026383d2_ncsrsimg01.jpg GRAPHIC 5308
5 GRAPHIC tm2026383d2_ncsrsimg001.jpg GRAPHIC 1944
6 GRAPHIC insttotalstock_sarimg002.jpg GRAPHIC 2215
  Complete submission text file 0001104659-20-100520.txt   3816563

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.: 201150097