Putnam Investments
	One Post Office Square
	Boston, MA 02109
	November 3, 2010
Securities and Exchange Commission
100 F Street, NE
Washington, DC 20549

RE:	Putnam Multi-Cap Growth Fund (Reg. No. 33-25576) (811-06128) (the “Fund”) Post-Effective
	Amendment No. 21 to Registration Statement on Form N-1A

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, the Fund hereby certifies that the form of Prospectus and Statement of Additional Information that would have been filed on behalf of the Fund pursuant to Rule 497(c) upon the effectiveness of Post-Effective Amendment No. 21 to the Fund’s Registration Statement on Form N-1A (the “Amendment”) would not have differed from that contained in the Amendment, which is the most recent amendment to such Registration Statement and was filed electronically on October 28, 2010.

Comments or questions concerning this certificate may be directed to Carlo Forcione at 1-800-225-2465, ext. 11224.

	Very truly yours,
	PUTNAM MULTI-CAP GROWTH FUND
	/s/ Jonathan S. Horwitz
By:	_____________________
	Jonathan S. Horwitz
	Executive Vice President, Treasurer, Principal
	Executive Officer and Compliance Liaison