SC 13G 1 pwr13g20070820.txt FORE RESEARCH 13F PWR UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )* Quanta Services, Inc. (Name of Issuer) COMMON (Title of Class of Securities) 74762E102 (CUSIP Number) July 13, 2006 (Date of Event Which Requires Filing of this Statement) 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 the disclosures provided in a prior cover page. The information required in 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). PAGE 1 OF 4 PAGES -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Fore Research & Management, LP. 83-0342079 -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - U.S.A. -------------------------------------------------------------------------------- 5 SOLE VOTING POWER 6,613,710 NUMBER OF ___________________________________________________________ SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 0 EACH ___________________________________________________________ REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 6,613,710 ----------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 6,613,710, underlying convertible bonds required to be included under SEC Rule 13d-3 -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.5% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IA -------------------------------------------------------------------------------- PAGE 2 OF 4 PAGES Item 1(a) Name of Issuer: Quanta Services, Inc. Item 1(b) Address of Issuer's Principal Executive Offices: 1360 Post Oak Boulevard Suite 2100 Houston,TX 77056 United States Item 2(a) Name of Person Filing: Fore Research & Management, LP. Item 2(b) Address of the Principal Office or, if none, Residence: 280 Park Avenue, 43rd Floor New York, NY 10017 Item 2(c) Citizenship: Delaware - U.S.A. Item 2(d) Title of Class of Securities: Common Item 2(e) CUSIP Number: 74762E102 Item 3 If the Statement is being filed pursuant to Rule 13d-1(b), or 13d-2(b), check whether the person filing is a: (e) [X] An investment advisor in accordance with section 240.13d-1(b)(1)(ii)(E) Item 4 Ownership: (a) Amount Beneficially Owned: 6,613,710, underlying convertible bonds required to be included under SEC Rule 13d-3 (b) Percent of Class: 5.5% (c) Number of shares as to which such person has: (i) sole power to vote or direct the vote: 6,613,710 (ii) shared power to vote or direct the vote: 0 (iii) sole power to dispose or to direct the disposition of: 6,613,710 (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. PAGE 3 OF 4 PAGES Item 6 Ownership of More than Five Percent on Behalf of AnotherPerson: Securities reported on this Schedule 13G are beneficially owned by clients of the adviser, which may include investment companies registered under the Investment Company Act and/or employee benefit plans, pensions, Charitable funds or other institutional and high net worth clients. Item 7 Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company: Not applicable. Item 8 Identification and Classification of Members of the Group: Not applicable. Item 9 Notice of Dissolution of a Group: Not applicable. Item 10 Certification: By signing below I certify that, to the best of my 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 such securities and were not acquired in connection with or as a participant in any transaction having such purpose or effect. 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. Dated: August 20, 2007 Fore Research & Management, LP. By: /S/ Daniel Agranoff ------------------------------------- Daniel Agranoff Chief Compliance Officer PAGE 4 OF 4 PAGES