Form 497K - Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K):
SEC Accession No. 0001144204-12-011663
Filing Date
2012-02-28
Accepted
2012-02-28 17:20:30
Documents
5
Effectiveness Date
2012-02-28

Document Format Files

Seq Description Document Type Size
1 SUMMARY PROSPECTUS v303840_497k.htm 497K 64426
2 GRAPHIC img_48ed5acb6e074.jpg GRAPHIC 1447
3 GRAPHIC img_989fcb7c87434.jpg GRAPHIC 5214
4 GRAPHIC img_822603176a044.jpg GRAPHIC 878
5 GRAPHIC img_71cf3b050a354.jpg GRAPHIC 12224
  Complete submission text file 0001144204-12-011663.txt   93765

Series and Classes/Contracts Information:

Existing
  Status Name Ticker Symbol
CIK 0000787441      
Series S000006904   MainStay Equity Index Fund
Class/Contract C000018723   Class A MCSEX
Mailing Address 51 MADISON AVENUE NEW YORK NY 10010
Business Address 51 MADISON AVE NEW YORK NY 10010 2125767000
MAINSTAY FUNDS (Filer) CIK: 0000787441 (see all company filings)

EIN.: 000000000 | State of Incorp.: MA | Fiscal Year End: 1031
Type: 497K | Act: 33 | File No.: 033-02610 | Film No.: 12648697