Form 497K - Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K):
SEC Accession No. 0000932471-12-000690
Filing Date
2012-01-26
Accepted
2012-01-26 08:49:52
Documents
3
Effectiveness Date
2012-01-26

Document Format Files

Seq Description Document Type Size
1 VANGUARD PRIMECAP FUND 497K sp59.htm 497K 37853
3 sp59x1x1.jpg GRAPHIC 2583
4 sp59x4x1.jpg GRAPHIC 8682
  Complete submission text file 0000932471-12-000690.txt   55318

Series and Classes/Contracts Information:

Existing
  Status Name Ticker Symbol
CIK 0000752177      
Series S000002568   Vanguard PRIMECAP Fund
Class/Contract C000007070   Investor Shares VPMCX
Class/Contract C000007071   Admiral Shares VPMAX
Mailing Address P.O. BOX 2600 V26 VALLEY FORGE PA 19482
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482 6106691000
VANGUARD CHESTER FUNDS (Filer) CIK: 0000752177 (see all company filings)

EIN.: 232311358 | Fiscal Year End: 0930
Type: 497K | Act: 33 | File No.: 002-92948 | Film No.: 12546132