0000315066-14-002771.txt : 20140310 0000315066-14-002771.hdr.sgml : 20140310 20140310105845 ACCESSION NUMBER: 0000315066-14-002771 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20140310 DATE AS OF CHANGE: 20140310 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: MASIMO CORP CENTRAL INDEX KEY: 0000937556 STANDARD INDUSTRIAL CLASSIFICATION: ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845] IRS NUMBER: 330368882 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-83497 FILM NUMBER: 14679500 BUSINESS ADDRESS: STREET 1: 40 PARKER CITY: IRVINE STATE: CA ZIP: 92618 BUSINESS PHONE: 949-297-7000 MAIL ADDRESS: STREET 1: 40 PARKER CITY: IRVINE STATE: CA ZIP: 92618 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: FMR LLC CENTRAL INDEX KEY: 0000315066 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 061209781 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 245 SUMMER STREET CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 6175706339 MAIL ADDRESS: STREET 1: 245 SUMMER STREET CITY: BOSTON STATE: MA ZIP: 02210 FORMER COMPANY: FORMER CONFORMED NAME: FMR CORP DATE OF NAME CHANGE: 19920717 SC 13G/A 1 filing.txt SCHEDULE 13G Amendment No. 1 MASIMO CORP Common Stock Cusip #574795100 Cusip #574795100 Item 1: Reporting Person - FMR LLC Item 4: Delaware Item 5: 1,473 Item 6: 0 Item 7: 5,705,773 Item 8: 0 Item 9: 5,705,773 Item 11: 10.062% Item 12: HC Cusip #574795100 Item 1: Reporting Person - Edward C. Johnson 3d Item 4: United States of America Item 5: 0 Item 6: 0 Item 7: 5,705,773 Item 8: 0 Item 9: 5,705,773 Item 11: 10.062% Item 12: IN SCHEDULE 13G - TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b) or 13d-2(b) Item 1(a). Name of Issuer: MASIMO CORP Item 1(b). Name of Issuer's Principal Executive Offices: 40 Parker Irvine, California 92618 Item 2(a). Name of Person Filing: FMR LLC Item 2(b). Address or Principal Business Office or, if None, Residence: 245 Summer Street, Boston, Massachusetts 02210 Item 2(c). Citizenship: Not applicable Item 2(d). Title of Class of Securities: Common Stock Item 2(e). CUSIP Number: 574795100 Item 3. This statement is filed pursuant to Rule 13d-1(b) or 13d-2(b) and the person filing, FMR LLC, is a parent holding company in accordance with Section 240.13d- 1(b)(ii)(G). (Note: See Item 7). Item 4. Ownership (a) Amount Beneficially Owned: 5,705,773 (b) Percent of Class: 10.062% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 1,473 (ii) shared power to vote or to direct the vote: 0 (iii) sole power to dispose or to direct the disposition of: 5,705,773 (iv) shared power to dispose or to direct the disposition of: 0 Item 5. Ownership of Five Percent or Less of a Class. Not applicable. Item 6. Ownership of More than Five Percent on Behalf of Another Person. Various persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Common Stock of MASIMO CORP. No one person's interest in the Common Stock of MASIMO CORP is more than five percent of the total outstanding Common Stock. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company. See attached Exhibit A. Item 8. Identification and Classification of Members of the Group. Not applicable. See attached Exhibit A. Item 9. Notice of Dissolution of Group. Not applicable. Item 10. Certification. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such 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. March 7, 2014 Date /s/ Scott C. Goebel Signature Scott C. Goebel Duly authorized under Power of Attorney effective as of June 1, 2008, by and on behalf of FMR LLC and its direct and indirect subsidiaries SCHEDULE 13G - TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b) or 13d-2(b) Pursuant to the instructions in Item 7 of Schedule 13G, Fidelity Management & Research Company ("Fidelity"), 245 Summer Street, Boston, Massachusetts 02210, a wholly-owned subsidiary of FMR LLC and an investment adviser registered under Section 203 of the Investment Advisers Act of 1940, is the beneficial owner of 2,361,383 shares or 4.164% of the Common Stock outstanding of MASIMO CORP ("the Company") as a result of acting as investment adviser to various investment companies registered under Section 8 of the Investment Company Act of 1940. Edward C. Johnson 3d and FMR LLC, through its control of Fidelity, and the funds each has sole power to dispose of the 2,361,383 shares owned by the Funds. Fidelity SelectCo, LLC ("SelectCo"), 1225 17th Street, Suite 1100, Denver, Colorado 80202, a wholly-owned subsidiary of FMR LLC and an investment adviser registered under Section 203 of the Investment Advisers Act of 1940, is the beneficial owner of 3,342,917 shares or 5.895% of the Common Stock outstanding of MASIMO CORP ("the Company") as a result of acting as investment adviser to various investment companies registered under Section 8 of the Investment Company Act of 1940 (the "SelectCo Funds"). Edward C. Johnson 3d and FMR LLC, through its control of SelectCo, and the SelectCo Funds each has sole power to dispose of the 3,342,917 owned by the SelectCo Funds. Members of the family of Edward C. Johnson 3d, Chairman of FMR LLC, are the predominant owners, directly or through trusts, of Series B voting common shares of FMR LLC, representing 49% of the voting power of FMR LLC. The Johnson family group and all other Series B shareholders have entered into a shareholders' voting agreement under which all Series B voting common shares will be voted in accordance with the majority vote of Series B voting common shares. Accordingly, through their ownership of voting common shares and the execution of the shareholders' voting agreement, members of the Johnson family may be deemed, under the Investment Company Act of 1940, to form a controlling group with respect to FMR LLC. Neither FMR LLC nor Edward C. Johnson 3d, Chairman of FMR LLC, has the sole power to vote or direct the voting of the shares owned directly by the Fidelity Funds, which power resides with the Funds' Boards of Trustees. Fidelity carries out the voting of the shares under written guidelines established by the Funds' Boards of Trustees. SCHEDULE 13G - TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b) or 13d-2(b) RULE 13d-1(f)(1) AGREEMENT The undersigned persons, on March 7, 2014, agree and consent to the joint filing on their behalf of this Schedule 13G in connection with their beneficial ownership of the Common Stock of MASIMO CORP at February 28, 2014. FMR LLC By /s/ Scott C. Goebel Scott C. Goebel Duly authorized under Power of Attorney effective as of June 1, 2008, by and on behalf of FMR LLC and its direct and indirect subsidiaries Edward C. Johnson 3d By /s/ Scott C. Goebel Scott C. Goebel Duly authorized under Power of Attorney effective as of June 1, 2008, by and on behalf of Edward C. Johnson 3d Fidelity Management & Research Company By /s/ Scott C. Goebel Scott C. Goebel Senior V.P. and General Counsel Document-Separator. This page separates the filing documents of two notifications. Page of Exhibit A