UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report

Pursuant to Section 13 or 15 (d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): February 4, 2015

ALLIED WORLD ASSURANCE COMPANY HOLDINGS, AG

(Exact Name of Registrant as Specified in Charter)

Switzerland	001-32938	98-0681223
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

Gubelstrasse 24

Park Tower, 15th Floor

6300 Zug, Switzerland

(Address of Principal Executive Offices and Zip Code)

Registrant’s telephone number, including area code: 41-41-768-1080

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 2.02. Results of Operations and Financial Condition.

On February 4, 2015, Allied World Assurance Company Holdings, AG issued a press release reporting its fourth quarter and year-end results for 2014 and the availability of its fourth quarter and year-end 2014 financial supplement and its investment supplement as of December 31, 2014. The press release, financial supplement and investment supplement are furnished herewith as Exhibits 99.1, 99.2 and 99.3, respectively. The information hereunder is not deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), is not otherwise subject to the liabilities of that section and is not incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01. Financial Statements and Exhibits.

(d)Exhibits

ExhibitNumber	Description
99.1	Press release, dated February 4, 2015, reporting fourth quarter and year-end results for 2014.
99.2	Fourth Quarter and Year-End 2014 Financial Supplement.
99.3	Investment Supplement as of December 31, 2014.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	ALLIED WORLD ASSURANCE COMPANY HOLDINGS, AG
Dated: February 4, 2015
	By:	/s/ Thomas A. Bradley
	Name:	Thomas A. Bradley
	Title:	Executive Vice President and Chief Financial Officer

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EXHIBIT INDEX

ExhibitNumber	Description
99.1	Press release, dated February 4, 2015, reporting fourth quarter and year-end results for 2014.
99.2	Fourth Quarter and Year-End 2014 Financial Supplement.
99.3	Investment Supplement as of December 31, 2014.