Post-effective Amendment (investment Company, Rule 485(b)) (485bpos)

As filed with the U.S. Securities and Exchange Commission on July 8, 2013

File No. 002-73948

File No. 811-03258

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

 

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933		x
Pre-Effective Amendment No.		¨
Post-Effective Amendment No. 164		x
And/or
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940		¨
Amendment No. 165		x

(Check appropriate box or boxes.)

DFA INVESTMENT DIMENSIONS GROUP INC.

(Exact Name of Registrant as Specified in Charter)

6300 Bee Cave Road, Building One, Austin, TX 78746

(Address of Principal Executive Office)        (Zip Code)

Registrant’s Telephone Number, including Area Code [phone]

Catherine L. Newell, Esquire, Vice President and Secretary

DFA Investment Dimensions Group Inc.,

6300 Bee Cave Road, Building One, Austin, TX 78746

(Name and Address of Agent for Service)

Please send copies of all communications to:

Jana L. Cresswell, Esquire

Stradley, Ronon, Stevens & Young, LLP

2600 One Commerce Square

Philadelphia, PA 19103

[phone]

Approximate Date of Proposed Public Offering: As soon as practicable following effective date.

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.

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SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all the requirements for effectiveness of this Registration Statement under Rule 485(b) under the Securities Act and has duly caused this Post-Effective Amendment Nos. 164/165 to its Registration Statement on Form N-1A to be signed on its behalf by the undersigned, hereunto duly authorized in the City of Austin, the State of Texas on this 8th day of July, 2013.

 

DFA INVESTMENT DIMENSIONS GROUP INC.                                      (Registrant)

By: /s/ David G. Booth                *

David G. Booth, President

(Signature and Title)

Pursuant to the requirements of the Securities Act of 1933, Post-Effective Amendment Nos. 164/165 to this Registration Statement has been signed below by the following persons in the capacities and on the date indicated:

 

NAME				TITLE		DATE
/s/ David G. Booth		*		President, Director, Chairman		July 8, 2013
David G. Booth				and Co-Chief Executive Officer
/s/ Eduardo A. Repetto		*		Director, Co-Chief Executive		July 8, 2013
Eduardo A. Repetto				Officer and Chief Investment Officer
/s/ David R. Martin		*		Chief Financial Officer		July 8, 2013
David R. Martin				Treasurer and Vice President
/s/ George M. Constantinides		*		Director		July 8, 2013
George M. Constantinides
/s/ John P. Gould		*		Director		July 8, 2013
John P. Gould
/s/ Roger G. Ibbotson		*		Director		July 8, 2013
Roger G. Ibbotson
/s/ Edward P. Lazear		*		Director		July 8, 2013
Edward P. Lazear
/s/ Myron S. Scholes		*		Director		July 8, 2013
Myron S. Scholes
/s/ Abbie J. Smith		*		Director		July 8, 2013
Abbie J. Smith

 

*By:		/s/ Valerie A. Brown
		Valerie A. Brown
		Attorney-In-Fact (Pursuant to a Power of Attorney)

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EXHIBIT INDEX

 

Index No.		Description of Exhibit
EX-101.INS		XBRL Instance Document
EX-101.SCH		XBRL Taxonomy Extension Schema Document
EX-101.CAL		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