Certification of No Change in Definitive Materials. (497j)

ROPES & GRAY LLP

THREE EMBARCADERO CENTER

SAN FRANCISCO, CA 94111-4006

WWW.ROPESGRAY.COM

January 31, 2014

Benjamin Kozik

T +1 415 315 6331

benjamin.kozik@ropesgray.com

BY EDGAR

Securities and Exchange Commission

Division of Investment Management

100 F Street, N.E.

Washington, DC 20549-1090

Re: RS Investment Trust (the “Trust”) (Registration Nos. 033-16439 and 811-05159)

Ladies and Gentlemen:

On behalf of the Trust, and pursuant to the Securities Act of 1933, as amended (the “Securities Act”), and Rule 497(j) thereunder, we hereby represent that the definitive form of the Trust’s Prospectus and Statement of Additional Information relating to RS Emerging Markets Small Cap Fund, dated January 31, 2014, that would have been filed pursuant to the requirements of Rule 497(c) under the Securities Act, would not have differed from those contained in Post-Effective Amendment No. 116 to the Trust’s Registration Statement under the Securities Act, which was filed electronically with the Securities and Exchange Commission pursuant to Rule 485(b) under the Securities Act on January 29, 2014, and became effective January 31, 2014.

Please direct any questions to Benjamin Kozik at (415) 315-6331.