-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, MkWGuDDZntYnwGKM5ow0bsG/CmdS+5exRubCoWsLt6sMCGu5WpySw5tolhLX4Xf3 3O34XXb6AjjTcyRKKbr5WA== 0000921530-08-000114.txt : 20080214 0000921530-08-000114.hdr.sgml : 20080214 20080214163513 ACCESSION NUMBER: 0000921530-08-000114 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20080214 DATE AS OF CHANGE: 20080214 GROUP MEMBERS: PEQUOT CAPITAL MANAGEMENT, INC. SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: VICOR CORP CENTRAL INDEX KEY: 0000751978 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRONIC COMPONENTS, NEC [3679] IRS NUMBER: 042742817 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-43949 FILM NUMBER: 08617375 BUSINESS ADDRESS: STREET 1: 25 FRONTAGE ROAD CITY: ANDOVER STATE: MA ZIP: 01810 BUSINESS PHONE: 9784702900 MAIL ADDRESS: STREET 1: 25 FRONTAGE RD CITY: ANDOVER STATE: MA ZIP: 01810 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: PEQUOT CAPITAL MANAGEMENT INC CENTRAL INDEX KEY: 0001071955 IRS NUMBER: 061524885 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 500 NYALA FARM ROAD CITY: WESTPORT STATE: CT ZIP: 06880 BUSINESS PHONE: 2034292200 MAIL ADDRESS: STREET 1: 500 NYALA FARM ROAD CITY: WESTPORT STATE: CT ZIP: 06880 FORMER COMPANY: FORMER CONFORMED NAME: PEQUOT CAPITAL MANAGEMENT INC/CT/ DATE OF NAME CHANGE: 19981118 SC 13G/A 1 vicor_13ga3-123107.txt AMENDMENT 3; 12/31/07 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 3)* Vicor Corporation ----------------- (Name of Issuer) Common Stock, $0.01 par value ----------------------------- (Title of Class of Securities) 925815102 --------- (CUSIP Number) December 31, 2007 ----------------- (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 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). Continued on following pages Page 1 of 5 Pages Page 2 of 5 Pages 1 Names of Reporting Persons I.R.S. Identification Nos. of above persons (entities only) PEQUOT CAPITAL MANAGEMENT, INC. 06-1524885 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 CONNECTICUT 5 Sole Voting Power Number of 2,732,200 Shares Beneficially 6 Shared Voting Power Owned By 0 Each Reporting 7 Sole Dispositive Power Person 2,732,200 With 8 Shared Dispositive Power 0 9 Aggregate Amount Beneficially Owned by Each Reporting Person 2,732,200 10 Check Box If the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] 11 Percent of Class Represented By Amount in Row (9) 9.2% 12 Type of Reporting Person (See Instructions) IA, CO Page 3 of 5 Pages Item 1(a) Name of Issuer: Vicor Corporation (the "Issuer"). 1(b) Address of the Issuer's Principal Executive Offices: 25 Frontage Road, Andover, MA 01810 Item 2(a) - (c) Name, Principal Business Address, and Citizenship of Person Filing: Pequot Capital Management, Inc. 500 Nyala Farm Road, Westport, CT, 06880 which is a Connecticut corporation. 2(d) Title of Class of Securities: Common Stock, $0.01 par value 2(e) CUSIP Number: 925815102 Item 3. This statement is filed pursuant to Rule 13d-1(b)(1)(ii)(E). Pequot Capital Management, Inc. is an investment adviser registered under Section 203 of the Investment Advisers Act of 1940. Item 4. Ownership: Ownership as of December 31, 2007 is incorporated herein by reference from items (5) - (9) and (11) of the cover page of the Reporting Person. 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: The Reporting Person is an investment adviser registered under Section 203 of the Investment Advisers Act of 1940 and, as such, has beneficial ownership of the shares which are the subject of this filing through the investment discretion the Reporting Person exercises over its clients' accounts. 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 Group: Not applicable. Page 4 of 5 Pages Item 10. Certification: By signing below I certify that, 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 such securities and were not acquired and are not held in connection with or as a participant in any transaction having such purpose or effect. Page 5 of 5 Pages SIGNATURES After reasonable inquiry and to the best of my knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete and correct. Date: February 14, 2008 PEQUOT CAPITAL MANAGEMENT, INC. By: /s/ Aryeh Davis --------------------------- Name: Aryeh Davis Title: Chief Operating Officer, General Counsel and Secretary -----END PRIVACY-ENHANCED MESSAGE-----