As filed with the Securities and Exchange Commission on
November 18, 2015
Registration No. 33-35576
811-06128
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SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
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FORM N-1A
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REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933	/ X /
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Pre-Effective Amendment No.	/ /
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Post-Effective Amendment No. 31	/ X /
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REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY	/ X /
ACT OF 1940	----
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Amendment No. 33	/ X /
(Check appropriate box or boxes)	----
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PUTNAM MULTI-CAP GROWTH FUND
(Exact name of registrant as specified in charter)
One Post Office Square, Boston, Massachusetts 02109
(Address of principal executive offices)
Registrant's Telephone Number, including Area Code
(617) 292-1000
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	It is proposed that this filing will become effective
	(check appropriate box)
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/ /	immediately upon filing pursuant to paragraph (b)
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/ x /	on October 30, 2015 pursuant to paragraph (b)
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/ /	60 days after filing pursuant to paragraph (a) (1)
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/ /	on (date) pursuant to paragraph (a) (1)
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/ /	75 days after filing pursuant to paragraph (a) (2)
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/ /	on (date) pursuant to paragraph (a) (2) of Rule 485.
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If appropriate, check the following box:
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/ /	this post-effective amendment designates a new
----	effective date for a previously filed post-effective amendment.
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	ROBERT T. BURNS, Vice President
	PUTNAM MULTI-CAP GROWTH FUND
	One Post Office Square
	Boston, Massachusetts 02109
	(Name and address of agent for service)
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	Copy to:
	BRYAN CHEGWIDDEN, Esquire
	ROPES & GRAY LLP
	1211 Avenue of the Americas
	New York, New York 10036

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 of the requirements for effectiveness of this Registration Statement under Rule 485(b) under the Securities Act of 1933, as amended, and has duly caused this Amendment to its Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City of Boston, and The Commonwealth of Massachusetts, on the 18th day of November, 2015.

Putnam Multi-Cap Growth Fund

By: /s/ Jonathan S. Horwitz, Executive Vice President,

Principal Executive Officer and Compliance Liaison

Pursuant to the requirements of the Securities Act of 1933, as amended, this Amendment to the Registration Statement has been signed below by the following persons in the capacities and on the date indicated:

Signature	Title
Jameson A. Baxter*	Chair, Board of Trustees
Robert L. Reynolds*	President and Trustee
Jonathan S. Horwitz*	Executive Vice President, Principal Executive
	Officer and Compliance Liaison
Steven D. Krichmar*	Vice President and Principal Financial Officer
Janet C. Smith*	Vice President, Principal Accounting Officer and
	Assistant Treasurer
Liaquat Ahamed*	Trustee
Ravi Akhoury*	Trustee
Barbara M. Baumann*	Trustee
Robert J. Darretta*	Trustee
Katinka Domotorffy*	Trustee
John A. Hill*	Trustee

Paul L. Joskow*	Trustee
Kenneth R. Leibler*	Trustee
Robert E. Patterson*	Trustee
George Putnam, III*	Trustee
W. Thomas Stephens*	Trustee

By: /s/ Jonathan S. Horwitz, as Attorney-in-Fact

November 18, 2015

*Signed pursuant to power of attorney filed

in Post-Effective Amendment No. 24 to the

Registrant’s Registration Statement on

October 26, 2012.