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February 20, 2013
Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549
Re: | AllianceBernstein Institutional Funds, Inc. |
File Nos. 333-37177 and 811-08403
Accession No. 0001193125-13-038597
Dear Sir or Madam:
On behalf of the Registrant 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 mirrors the risk/return summary information in a filing, dated February 5, 2013, Accession No. 0001193125-13-038597, to the Prospectus, dated January 31, 2013, for the AllianceBernstein Institutional Funds, Inc. (the Fund). The purpose of the filing is to submit the Rule 497(c) filing dated February 5, 2013 in interactive data for the Fund.
Please call me at the above-referenced number if you have any questions regarding the attached.
Sincerely,
/s/ Anna C. Leist
Anna C. Leist
Attachment
Index to Exhibits
Exhibit No. |
Description of Exhibits | |
EX-101.INS | XBRL Instance Document | |
EX-101.SCH | XBRL Taxonomy Extension Schema Document | |
EX-101.CALC | XBRL Taxonomy Extension Calculation Linkbase | |
EX-101.DEF | XBRL Taxonomy Extension Definition Linkbase | |
EX-101.LAB | XBRL Taxonomy Extension Labels Linkbase | |
EX-101.PRE | XBRL Taxonomy Extension Presentation Linkbase |
Label | Element | Value |
---|---|---|
Risk/Return: | rr_RiskReturnAbstract | |
Registrant Name | dei_EntityRegistrantName | ALLIANCEBERNSTEIN INSTITUTIONAL FUNDS INC |
Prospectus Date | rr_ProspectusDate | Jan. 31, 2013 |
Document Creation Date | dei_DocumentCreationDate | Feb. 05, 2013 |