SC 13G 1 Schedule13GHorizon.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Horizon Lines Inc. Common Stock CUSIP Number 44044K309 Date of Event which Requires Filing of this Statement: December 31, 2012 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [X] Rule 13d-1(b) [_] Rule 13d-1(c) [_] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). CUSIP No. 44044K309 Page 2 1 NAMES OF REPORTING PERSONS Post Advisory Group, LLC 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) (b) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF 5 SOLE VOTING POWER 0 SHARES BENEFICIALLY 6 SHARED VOTING POWER 5,972,634 OWNED BY EACH 7 SOLE DISPOSITIVE POWER 0 REPORTING PERSON WITH 8 SHARED DISPOSITIVE POWER 5,972,634 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,972,634 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.87% Percentage ownership is based upon 34,433,578 common stock shares outstanding and 9,250,000 outstanding warrants which are able to convert (1-1) to 9,250,000 common stock shares and 1,200,000,000 billion outstanding warrants which are able to covert (25-1) to 57,400,000 common stock shares as of September 31, 2012. 12 TYPE OF REPORTING PERSON (See Instructions) IA CUSIP No. 44044K309 Page 3 1 NAMES OF REPORTING PERSONS Principal Financial Group, Inc. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) (b) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF 5 SOLE VOTING POWER 0 SHARES BENEFICIALLY 6 SHARED VOTING POWER 5,972,634 OWNED BY EACH 7 SOLE DISPOSITIVE POWER 0 REPORTING PERSON WITH 8 SHARED DISPOSITIVE POWER 5,972,634 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,972,634 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.87% 12 TYPE OF REPORTING PERSON (See Instructions) HC CUSIP No. 44044K309 Page 4 Item 1(a). Name of Issuer: Horizon Lines Inc. Item 1(b). Address of Issuer's Principal Executive Offices: 4064 Colony Road Suite 200 Charlotte, NC 28211 Item 2(a). Name of Person Filing: Post Advisory Group, LLC Principal Financial Group, Inc. Item 2(b). Address of Principal Business Office, or, if None, Residence: Post Advisory Group, LLC 1620 26th Street Suite 6500N Santa Monica, CA 90404 Principal Financial Group, Inc. 711 High Street Des Moines, IA 50392-0088 Item 2(c). Citizenship: Post Advisory Group, LLC - State of Delaware Principal Financial Group, Inc. - State of Delaware Item 2(d). Title of Class of Securities: Common Stock Item 2(e). CUSIP Numbers: 44044K309 Item 3. If this statement is filed pursuant to section 240.13d-1(b) or 240.13d 2(b) or (c), check whether the person filing is a: (e) [X] An investment adviser in accordance with section 240.13d 1(b)(1)(ii)(E) (g) [X] A parent holding company or control person in accordance with section 240.13d-1(b)(1)(ii)(G) Item 4. Ownership: (a) Amount Beneficially Owned 5,972,634 Shares Common Stock presently held by Post Advisory Group, LLC 5,972,634 Shares Common Stock presently held by Principal Financial Group, Inc. CUSIP No. 44044K309 Page 5 (b) Percent of Class 5.87% - Post Advisory Group, LLC 5.87% - Principal Financial Group, Inc. (c) Number of shares as to which the person has: (i) Sole Power to Vote or Direct the Vote 0 Shares Common Stock Principal Global Investors, LLC 0 Shares Common Stock Principal Financial Group, Inc. (ii) Shared Power to Vote or Direct the Vote 5,972,634 Shares Common Stock presently held by Post Advisory Group, LLC 5,972,634 Shares Common Stock presently held by Principal Financial Group, Inc. (iii) Sole Power to Dispose or to Direct the Disposition of 0 Shares Common Stock Principal Global Investors, LLC 0 Shares Common Stock Principal Financial Group, Inc. (iv) Shared Power to Dispose or to Direct the Disposition of 5,972,634 Shares Common Stock presently held by Post Advisory Group, LLC 5,972,634 Shares Common Stock presently held by Principal Financial Group, Inc. Item 5. Ownership of Five Percent or Less of a Class: N/A Item 6. Ownership of More than Five Percent on Behalf of Another Person N/A Item 7. See Exhibit attached N/A CUSIP No. 44044K309 Page 6 Item 8. Identification and Classification of Members of the Group N/A Item 9. Notice of Dissolution of Group N/A Item 10(a). Certification By signing below I certify, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. Signature After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Post Advisory Group, LLC By /s/ Darcyne D. Choe Darcyne D. Choe, Interim Chief Compliance Officer Principal Financial Group, Inc. By /s/ Joyce N. Hoffman Joyce N. Hoffman, Senior Vice President and Corporate Secretary Dated February 7, 2013 EXHIBIT 99.1 Post Advisory Group, LLC Item 3 Classification: (e) Investment Adviser in accordance with Section 240.13d-1(b)(1)(ii)(E) Principal Financial Group, Inc. Item 3 Classification: (g) A parent holding company or control person in accordance with section 240.13d-1(b)(1)(ii)(G)