GERS Greenshift Corporation (PK)

As filed with the Securities and Exchange Commission on May 15, 2013

Registration No. 2-66269
811-2978

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM N-1A

  REGISTRATION STATEMENT
  UNDER THE SECURITIES ACT OF 1933   x

  Pre-Effective Amendment No.   o

  Post-Effective Amendment No. 46   x

and/or

  REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY
  ACT OF 1940   x

  Amendment No. 47   x

Morgan Stanley Focus Growth Fund

(A Massachusetts business trust)

(Exact Name of Registrant as Specified in Charter)

522 Fifth Avenue
New York, New York 10036

(Address of Principal Executive Office)

Registrant's Telephone Number, Including Area Code: (212) 296-6970

Stefanie V. Chang Yu, Esq.
522 Fifth Avenue
New York, New York 10036

(Name and Address of Agent for Service)

Approximate Date of Proposed Public Offering:

As soon as practicable after this Post-Effective Amendment becomes effective.

It is proposed that this filing will become effective (check appropriate box):

Amending the Prospectus and Updating Financial Statements

  If appropriate, check the following box:

EXPLANATORY NOTE

This Post-Effective Amendment No. 46 to the Registration Statement of Morgan Stanley Focus Growth Fund (the "Registrant") (the "Amendment") relates only to the Registrant's Class A shares (Class Id: C000006088), Class B shares (Class Id: C000006089), Class L shares (Class Id: C000006090) and Class I shares (Class Id: C000006091).

This Amendment does not affect the Post-Effective Amendment Nos. 43 and 45 to the Registration Statement of the Registrant filed on March 15, 2013 and May 14, 2013, respectively, with respect to the Registrant's Class IS shares (Class Id: C000126924).