As filed with the Securities and Exchange Commission on November 7, 2012

File Nos. 333-182743

811-22720

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.

Post-Effective Amendment No. 1

and

REGISTRATION STATEMENT
UNDER
THE INVESTMENT COMPANY ACT OF 1940   x

Amendment No. 3

KKR Series Trust

(Exact name of Registrant as Specified in Charter)

555 California Street
50th Floor
San Francisco, CA 94104

(Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, including area code:

(415) 315-3620

Name and address of agent for service:

Nicole J. Macarchuk, Esq.
KKR Asset Management LLC
555 California Street
50th Floor
San Francisco, CA 94104

COPY TO:

Allison M. Fumai, Esq.
Richard Horowitz, Esq.
Kenneth E. Young, Esq.
Dechert LLP
1095 Avenue of the Americas
New York, NY 10036

Approximate Date of Proposed Public Offering:

As soon as practicable after the effective date of this registration statement.

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

x           Immediately upon filing pursuant to paragraph (b)

o            On October 17, 2012 pursuant to paragraph (b)

o            60 days after filing pursuant to paragraph (a)(1)

o            On (date) pursuant to paragraph (a)(1)

o            75 days after filing pursuant to paragraph (a)(2)

o            On (date) pursuant to paragraph (a)(2) of Rule 485

Amending the Prospectus and Updating Financial Statements

If appropriate, check the following box:

This post-effective amendment designates a new effective

date for a previously filed post-effective amendment.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940, as amended, the Registrant has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New York in the State of New York on the 7th day of November, 2012.

KKR Series Trust
By:	/s/ WILLIAM C. SONNEBORN
	William C. Sonneborn,
	President

Pursuant to the requirements of the Securities Act of 1933, this Post-Effective Amendment No. 1 to the Registration Statement has been signed below by the following persons in the capacities and on the dates indicated:

Signature		Title	Date
/s/ WILLIAM C. SONNEBORN		Trustee and President (Principal Executive Officer)	November 7, 2012
William C. Sonneborn
/s/ TOBIN V. LEVY		Trustee	November 7, 2012
Tobin V. Levy*
/s/ JEFFREY L. ZLOT		Trustee	November 7, 2012
Jeffrey L. Zlot*
/s/ MICHAEL R. MCFERRAN		Treasurer (Principal Financial and Accounting Officer)	November 7, 2012
Michael R. McFerran
*By:	/s/ NICOLE J. MACARCHUK
	Nicole J. Macarchuk
	as attorney-in-fact

*Pursuant to power of attorney filed with Pre-Effective Amendment No. 1 to Registration Statement No. 333-182743 on September 19, 2012.

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