Form 485BPOS VANGUARD INSTITUTIONAL

May 12, 2017 8:32 AM EDT

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
 
Form N-1A
 
REGISTRATION STATEMENT (NO. 33-34494) UNDER  
THE SECURITIES ACT OF 1933 [X]
PRE-EFFECTIVE AMENDMENT NO. [ ]
POST-EFFECTIVE AMENDMENT NO. 68 [X]
and
 
REGISTRATION STATEMENT (NO. 811-06093) UNDER THE INVESTMENT COMPANY ACT
OF 1940    
AMENDMENT NO. 69 [X]
 
 
VANGUARD INSTITUTIONAL INDEX FUNDS
(Exact Name of Registrant as Specified in Declaration of Trust)
 
P.O. Box 2600, Valley Forge, PA 19482
(Address of Principal Executive Office)
 
Registrant’s Telephone Number (610) 669-1000
 
Anne E. Robinson, Esquire
P.O. Box 876
Valley Forge, PA 19482
 
Approximate Date of Proposed Public Offering:  
It is proposed that this filing will become effective (check appropriate box)  
[X] immediately upon filing pursuant to paragraph (b)  
[ ] on (date) pursuant to paragraph (b)  
[ ] 60 days after filing pursuant to paragraph (a)(1)  
[ ] on (date) pursuant to paragraph (a)(1)  
[ ] 75 days after filing pursuant to paragraph (a)(2)  
[ ] on (date) pursuant to paragraph (a)(2) of rule 485  
If appropriate, check the following box:  
[ ] This post-effective amendment designates a new effective date for a
  previously filed post-effective amendment.  

 


INDEX TO EXHIBITS  
 
XBRL Instance Document Ex-101.INS
XBRL Taxonomy Extension Schema Document Ex-101.SCH
XBRL Taxonomy Extension Calculation Linkbase Document Ex-101.CAL
XBRL Taxonomy Extension Definition Linkbase Document. Ex-101.DEF
XBRL Taxonomy Extension Labels Linkbase Document Ex-101.LAB
XBRL Taxonomy Extension Presentation Linkbase Document Ex-101.PRE

 


SIGNATURES
Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940,
the Registrant hereby certifies that it meets all requirements for effectiveness of this Registration
Statement pursuant to Rule 485(b) under the Securities Act of 1933 and has duly caused this
Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in
the Town of Valley Forge and the Commonwealth of Pennsylvania, on the 12th day of May, 2017.
  VANGUARD INSTITUTIONAL INDEX FUNDS
  BY:_________/s/ F. William McNabb III*
  F. William McNabb III
  Chairman and Chief Executive Officer
Pursuant to the requirements of the Securities Act of 1933, this Post-Effective Amendment to the
Registration Statement has been signed below by the following persons in the capacities and on
the date indicated:    
Signature Title Date
 
/s/ F. William McNabb III* Chairman and Chief Executive May 12, 2017
  Officer  
F. William McNabb III    
/s/ Emerson U. Fullwood* Trustee May 12, 2017
Emerson U. Fullwood    
/s/ Rajiv L. Gupta* Trustee May 12, 2017
Rajiv L. Gupta    
/s/ Amy Gutmann* Trustee May 12, 2017
Amy Gutmann    
/s/ JoAnn Heffernan Heisen* Trustee May 12, 2017
JoAnn Heffernan Heisen    
/s/ F. Joseph Loughrey* Trustee May 12, 2017
F. Joseph Loughrey    
/s/ Mark Loughridge* Trustee May 12, 2017
Mark Loughridge    
/s/ Scott C. Malpass* Trustee May 12, 2017
Scott C. Malpass    
/s/ André F. Perold* Trustee May 12, 2017
André F. Perold    
/s/ Peter F. Volanakis* Trustee May 12, 2017
Peter F. Volanakis    
/s/ Thomas J. Higgins* Chief Financial Officer May 12, 2017
Thomas J. Higgins    
*By: /s/ Anne E. Robinson    
Anne E. Robinson, pursuant to a Power of Attorney filed on October 4, 2016, see File Number 33-32548,
Incorporated by Reference.    

 

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