Form 497J VANGUARD INSTITUTIONAL
April 28, 2016 | |
U.S. Securities and Exchange Commission | |
100 F Street, N.E. | |
Washington, DC 20549 | |
Re: | Vanguard Institutional Index Funds (the Trust) |
File No. 33-34494 | |
Ladies and Gentlemen: | |
Pursuant to Rule 497(j) under the Securities Act of 1933, this letter serves as certification that the Prospectuses | |
and Statement of Additional Information with respect to the above-referenced Trust do not differ from that filed | |
in the most recent post-effective amendment, which was filed electronically. | |
Sincerely, | |
Judith L. Gaines | |
Associate Counsel | |
The Vanguard Group, Inc. | |
Enclosures | |
cc: Asen Parachkevov, Esquire | |
U.S. Securities and Exchange Commission |
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