THE MAINSTAY FUNDS
51 Madison Avenue
New York, NY 10010
February 1, 2013
Via EDGAR
Filing Desk
Securities and Exchange Commission
Office of Filings and Information Services
Branch of Registrations and Examinations
Mail Stop 0-25
100 F Street, NE
Washington, DC 20549
| Re: | The MainStay Funds |
| MainStay Common Stock Fund and MainStay International Equity Fund | |
| File Nos. 033-02610 and 811-04550 |
Dear Sir or Madam:
On behalf of the registrant listed above and pursuant to Rule 497(c) under the Securities Act of 1933, as amended, attached for filing are exhibits containing interactive data format risk/return summary information that reflects the risk/return summary information in a supplement, dated January 15, 2013 to the Prospectus and Summary Prospectuses for the MainStay Common Stock Fund and MainStay International Equity Fund (Accession Number 0001144204-13-002481). The purpose of this filing is to submit an XBRL interactive data file in the manner provided by Rule 405 of Regulation S-T and General Instruction C.3.(g) of Form N-1A.
Any questions or comments on the filing should be directed to the undersigned at (973) 394-4505.
Sincerely,
/s/ Thomas C. Humbert
Thomas C. Humbert
Assistant Secretary
| MainStay International Equity Fund (Prospectus Summary) | MainStay International Equity Fund |
MainStay International Equity Fund |
THE MAINSTAY GROUP OF FUNDS Supplement dated January 15, 2013 (“Supplement”) to the following Prospectuses, Summary Prospectuses and Statement of Additional Information
MainStay 130/30 Core Fund MainStay 130/30 International Fund MainStay Common Stock Fund MainStay International Equity Fund MainStay S&P 500 Index Fund Summary Prospectuses and Prospectus, each dated February 28, 2012, as supplemented, and Statement of Additional Information, dated February 28, 2012, as amended December 17, 2012, and as supplemented
MainStay Balanced Fund Summary Prospectus and Prospectus, each dated May 25, 2012, as supplemented, and Statement of Additional Information, dated February 28, 2012, as amended December 17, 2012, and as supplemented
Effective on or about January 25, 2012, Madison Square Investors LLC (“Madison Square Investors”), the Subadvisor to the Funds, will change its name to Cornerstone Capital Management Holdings LLC (“Cornerstone Capital Management”). Accordingly, upon the effective date of Madison Square Investors’ name change, the Summary Prospectuses, Prospectuses, and SAI are revised to reflect that Cornerstone Capital Management is the Funds’ Subadvisor. |
PLEASE RETAIN THIS SUPPLEMENT FOR YOUR FUTURE REFERENCE. |
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| Label | Element | Value |
|---|---|---|
| Risk/Return: | rr_RiskReturnAbstract | |
| Prospectus Date | rr_ProspectusDate | Feb. 28, 2012 |
|
MainStay International Equity Fund (Prospectus Summary) | MainStay International Equity Fund
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Risk/Return, Heading | rr_RiskReturnHeading | MainStay International Equity Fund |
| Supplement Text | cik0000787441_SupplementTextBlock | THE MAINSTAY GROUP OF FUNDS Supplement dated January 15, 2013 (“Supplement”) to the following Prospectuses, Summary Prospectuses and Statement of Additional Information
MainStay 130/30 Core Fund MainStay 130/30 International Fund MainStay Common Stock Fund MainStay International Equity Fund MainStay S&P 500 Index Fund Summary Prospectuses and Prospectus, each dated February 28, 2012, as supplemented, and Statement of Additional Information, dated February 28, 2012, as amended December 17, 2012, and as supplemented
MainStay Balanced Fund Summary Prospectus and Prospectus, each dated May 25, 2012, as supplemented, and Statement of Additional Information, dated February 28, 2012, as amended December 17, 2012, and as supplemented
Effective on or about January 25, 2012, Madison Square Investors LLC (“Madison Square Investors”), the Subadvisor to the Funds, will change its name to Cornerstone Capital Management Holdings LLC (“Cornerstone Capital Management”). Accordingly, upon the effective date of Madison Square Investors’ name change, the Summary Prospectuses, Prospectuses, and SAI are revised to reflect that Cornerstone Capital Management is the Funds’ Subadvisor. |
| Supplement Closing | cik0000787441_SupplementClosingTextBlock | PLEASE RETAIN THIS SUPPLEMENT FOR YOUR FUTURE REFERENCE. |
| Label | Element | Value |
|---|---|---|
| Risk/Return: | rr_RiskReturnAbstract | |
| Document Type | dei_DocumentType | Other |
| Document Period End Date | dei_DocumentPeriodEndDate | Jan. 15, 2013 |
| Entity Registrant Name | dei_EntityRegistrantName | MAINSTAY FUNDS |
| Entity Central Index Key | dei_EntityCentralIndexKey | 0000787441 |
| Amendment Flag | dei_AmendmentFlag | false |
| Document Creation Date | dei_DocumentCreationDate | Jan. 15, 2013 |
| Document Effective Date | dei_DocumentEffectiveDate | Jan. 15, 2013 |
| Prospectus Date | rr_ProspectusDate | Feb. 28, 2012 |
|
MainStay International Equity Fund (Prospectus Summary) | MainStay International Equity Fund | Class A
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | MSEAX |
|
MainStay International Equity Fund (Prospectus Summary) | MainStay International Equity Fund | Class B
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | MINEX |
|
MainStay International Equity Fund (Prospectus Summary) | MainStay International Equity Fund | Class C
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | MIECX |
|
MainStay International Equity Fund (Prospectus Summary) | MainStay International Equity Fund | Class I
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | MSIIX |
|
MainStay International Equity Fund (Prospectus Summary) | MainStay International Equity Fund | Class R1
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | MIERX |
|
MainStay International Equity Fund (Prospectus Summary) | MainStay International Equity Fund | Class R2
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | MIRRX |
|
MainStay International Equity Fund (Prospectus Summary) | MainStay International Equity Fund | Class R3
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | MIFRX |
|
MainStay International Equity Fund (Prospectus Summary) | MainStay International Equity Fund | INVESTOR CLASS
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | MINNX |
|
Mainstay Common Stock Fund (Prospectus Summary) | MainStay Common Stock Fund | Class A
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | MSOAX |
|
Mainstay Common Stock Fund (Prospectus Summary) | MainStay Common Stock Fund | Class B
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | MOPBX |
|
Mainstay Common Stock Fund (Prospectus Summary) | MainStay Common Stock Fund | Class C
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | MGOCX |
|
Mainstay Common Stock Fund (Prospectus Summary) | MainStay Common Stock Fund | Class I
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | MSOIX |
|
Mainstay Common Stock Fund (Prospectus Summary) | MainStay Common Stock Fund | Class R2
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | MSORX |
|
Mainstay Common Stock Fund (Prospectus Summary) | MainStay Common Stock Fund | INVESTOR CLASS
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Trading Symbol | dei_TradingSymbol | MCSSX |
| Mainstay Common Stock Fund (Prospectus Summary) | MainStay Common Stock Fund |
MainStay Common Stock Fund |
THE MAINSTAY GROUP OF FUNDS
Supplement dated January 15, 2013 (“Supplement”) to the following Prospectuses, Summary Prospectuses and Statement of Additional Information
MainStay 130/30 Core Fund MainStay 130/30 International Fund MainStay Common Stock Fund MainStay International Equity Fund MainStay S&P 500 Index Fund Summary Prospectuses and Prospectus, each dated February 28, 2012, as supplemented, and Statement of Additional Information, dated February 28, 2012, as amended December 17, 2012, and as supplemented
MainStay Balanced Fund Summary Prospectus and Prospectus, each dated May 25, 2012, as supplemented, and Statement of Additional Information, dated February 28, 2012, as amended December 17, 2012, and as supplemented
Effective on or about January 25, 2012, Madison Square Investors LLC (“Madison Square Investors”), the Subadvisor to the Funds, will change its name to Cornerstone Capital Management Holdings LLC (“Cornerstone Capital Management”). Accordingly, upon the effective date of Madison Square Investors’ name change, the Summary Prospectuses, Prospectuses, and SAI are revised to reflect that Cornerstone Capital Management is the Funds’ Subadvisor. |
PLEASE RETAIN THIS SUPPLEMENT FOR YOUR FUTURE REFERENCE. |
| Label | Element | Value |
|---|---|---|
| Risk/Return: | rr_RiskReturnAbstract | |
| Prospectus Date | rr_ProspectusDate | Feb. 28, 2012 |
|
Mainstay Common Stock Fund (Prospectus Summary) | MainStay Common Stock Fund
|
||
| Risk/Return: | rr_RiskReturnAbstract | |
| Risk/Return, Heading | rr_RiskReturnHeading | MainStay Common Stock Fund |
| Supplement Text | cik0000787441_SupplementTextBlock | THE MAINSTAY GROUP OF FUNDS
Supplement dated January 15, 2013 (“Supplement”) to the following Prospectuses, Summary Prospectuses and Statement of Additional Information
MainStay 130/30 Core Fund MainStay 130/30 International Fund MainStay Common Stock Fund MainStay International Equity Fund MainStay S&P 500 Index Fund Summary Prospectuses and Prospectus, each dated February 28, 2012, as supplemented, and Statement of Additional Information, dated February 28, 2012, as amended December 17, 2012, and as supplemented
MainStay Balanced Fund Summary Prospectus and Prospectus, each dated May 25, 2012, as supplemented, and Statement of Additional Information, dated February 28, 2012, as amended December 17, 2012, and as supplemented
Effective on or about January 25, 2012, Madison Square Investors LLC (“Madison Square Investors”), the Subadvisor to the Funds, will change its name to Cornerstone Capital Management Holdings LLC (“Cornerstone Capital Management”). Accordingly, upon the effective date of Madison Square Investors’ name change, the Summary Prospectuses, Prospectuses, and SAI are revised to reflect that Cornerstone Capital Management is the Funds’ Subadvisor. |
| Supplement Closing | cik0000787441_SupplementClosingTextBlock | PLEASE RETAIN THIS SUPPLEMENT FOR YOUR FUTURE REFERENCE. |