Form 485BPOS VANGUARD INSTITUTIONAL

May 17, 2018 9:15 AM UTC

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. 72 [X]
and
 
REGISTRATION STATEMENT (NO. 811-06093) UNDER THE INVESTMENT COMPANY ACT
OF 1940    
AMENDMENT NO. 73 [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.  

 


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 17th day of May, 2018.  
  VANGUARD INSTITUTIONAL INDEX FUNDS
  BY: /s/ Mortimer J. Buckley*  
  Mortimer J. Buckley  
  Chief Executive Officer, President, and Trustee
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 of the Board of May 17, 2018
  Trustees  
F. William McNabb III    
/s/ Mortimer J. Buckley* Chief Executive Officer, May 17, 2018
  President, and Trustee  
Mortimer J. Buckley    
/s/ Emerson U. Fullwood* Trustee May 17, 2018
Emerson U. Fullwood    
/s/ Amy Gutmann* Trustee May 17, 2018
Amy Gutmann    
/s/ JoAnn Heffernan Heisen* Trustee May 17, 2018
JoAnn Heffernan Heisen    
/s/ F. Joseph Loughrey* Trustee May 17, 2018
F. Joseph Loughrey    
/s/ Mark Loughridge* Trustee May 17, 2018
Mark Loughridge    
/s/ Scott C. Malpass* Trustee May 17, 2018
Scott C. Malpass    
/s/ Deanna Mulligan* Trustee May 17, 2018
Deanna Mulligan    
/s/ André F. Perold* Trustee May 17, 2018
André F. Perold    
/s/ Sarah Bloom Raskin* Trustee May 17, 2018
Sarah Bloom Raskin    
/s/ Peter F. Volanakis* Trustee May 17, 2018
Peter F. Volanakis    
/s/ Thomas J. Higgins* Chief Financial Officer May 17, 2018
Thomas J. Higgins    
*By: /s/ Anne E. Robinson    
Anne E. Robinson, pursuant to a Power of Attorney filed on January 18, 2018, see File Number 33-32216, Incorporated
by Reference.    

 


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

 



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