13D Filing: Blue Mountain Capital and Ocean Rig UDW Inc. (ORIG)

Item 1.

Security of the Issuer.

This Amendment No.1 (this “Amendment”) to Schedule 13D relates to the shares of Common Stock, par value $0.01 per share (the “Common Stock”), of Ocean Rig UDW Inc., a Cayman Islands corporation (the “Issuer”), and amends the initial statement on Schedule 13D filed on September 29, 2017 (the “Original Filing”).  The Issuer’s principal executive office is located at c/o Ocean Rig Cayman Management Services SEZC Limited, 3^rd Floor Flagship Building, Harbour Drive, Grand Cayman, Cayman Islands. Each item below amends and supplements the information disclosed under the corresponding item of the Original Filing. Except as indicated herein, the information set forth in the Original Filing remains unchanged in all material respects. Unless otherwise indicated, all capitalized terms used herein but not defined shall have the same meanings as set forth in the Original Filing.

Item 2.

Identity and Background.

(a-c) This Statement is being filed by the following beneficial owners of Common Stock (each, a “Reporting Person”):

(i)

BlueMountain Foinaven Master Fund L.P., a Cayman Islands exempted limited partnership (“BMF”), with respect to the Common Stock directly owned by it;

(ii)

BlueMountain Foinaven GP, LLC, a Delaware limited liability company (“BMF GP”), with respect to the Common Stock directly owned by BMF;

(iii)

BlueMountain Guadalupe Peak Fund L.P., a Delaware limited partnership (“BMGP”), with respect to the Common Stock directly owned by it;

(iv)

BlueMountain Long/Short Credit GP, LLC, a Delaware limited liability company (“BMGP GP”), with respect to the Common Stock directly owned by BMGP;

(v)

BlueMountain Montenvers Master Fund SCA SICAV-SIF, an investment company with variable share capital organized as a specialized investment fund in the form of a corporate partnership limited by shares under the laws of Luxembourg (“BMM”), with respect to the Common Stock directly owned by it;

(vi)

BlueMountain Montenvers GP S.à r.l., a private limited company incorporated under the laws of Luxembourg (“BMM GP”), with respect to the Common Stock directly owned by BMM;

(vii)

BlueMountain Summit Trading L.P., a Delaware limited partnership (“BMST”), with respect to the Common Stock directly owned by it;

(viii)

BlueMountain Summit Opportunities GP II, LLC, a Delaware limited liability company (“BMST GP”), with respect to the Common Stock directly owned by BMST;

(ix)

BlueMountain Kicking Horse Fund L.P., a Cayman Islands limited partnership (“BMKH”), with respect to the Common Stock directly owned by it;

(x)

BlueMountain Kicking Horse Fund GP, LLC, a Delaware limited liability company (“BMKH GP” and, together with BMF GP, BMGP GP and BMST GP, the “General Partners”), with respect to the Common Stock directly owned by BMKH;

(xi)

BlueMountain Timberline Ltd., a Cayman Islands exempted limited company (“BMT” and, together with BMF, BMGP, BMM, BMST and BMKH, the “BlueMountain Funds”), with respect to the Common Stock directly owned by it;

(xii)

BlueMountain GP Holdings, LLC, a Delaware limited liability company (“GP Holdings”), which serves as the sole owner of each of the General Partners, with respect to the Common Stock directly owned by each of  BMF, BMGP, BMST and BMKH; and

(xiii)

BlueMountain Capital Management, LLC, a Delaware limited liability company (“BMCM” or the “Investment Manager”), which serves as the sole owner of BMM GP and investment manager to, and makes investment decisions on behalf of, the BlueMountain Funds, with respect to the Common Stock directly owned by the BlueMountain Funds and BMCM.