-----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, LB1ahN6rv9KXH/So23knqOzHU5DD702xgkP5G1cu+KPUud+0naMYjwneVdTNIER6 3bc6uHBNbicclFQM9EtpyQ== 0000764532-06-000002.txt : 20060127 0000764532-06-000002.hdr.sgml : 20060127 20060127123046 ACCESSION NUMBER: 0000764532-06-000002 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20060127 DATE AS OF CHANGE: 20060127 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: DURATEK INC CENTRAL INDEX KEY: 0000785186 STANDARD INDUSTRIAL CLASSIFICATION: HAZARDOUS WASTE MANAGEMENT [4955] IRS NUMBER: 222427618 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-44509 FILM NUMBER: 06556199 BUSINESS ADDRESS: STREET 1: 10100 OLD COLUMBIA ROAD CITY: COLUMBIA STATE: MD ZIP: 21046 BUSINESS PHONE: 4103125100 MAIL ADDRESS: STREET 1: 10100 OLD COLUMBIA ROAD CITY: COLUMBIA STATE: MD ZIP: 21046 FORMER COMPANY: FORMER CONFORMED NAME: GTS DURATEK INC DATE OF NAME CHANGE: 19930805 FORMER COMPANY: FORMER CONFORMED NAME: DURATEK CORP DATE OF NAME CHANGE: 19920703 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: FIDUCIARY MANAGEMENT INC /WI/ CENTRAL INDEX KEY: 0000764532 IRS NUMBER: 391346018 STATE OF INCORPORATION: WI FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 100 EAST WISCONSIN AVENUE STREET 2: SUITE 2200 CITY: MILWAUKEE STATE: WI ZIP: 53202 BUSINESS PHONE: 4142264545 MAIL ADDRESS: STREET 1: 100 EAST WISCONSIN AVENUE STREET 2: SUITE 2200 CITY: MILWAUKEE STATE: WI ZIP: 53202 SC 13G 1 drtk05mod.txt 13G DURATEK DECEMBER 2005 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* DURATEK INC (Name of Issuer) COMMON STOCK NO PAR VALUE (Title of Class of Securities) 26658Q102 (CUSIP Number) DECEMBER 31, 2005 (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). CUSIP No. 26658Q102 - -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Fiduciary Management, Inc. 39-1346018 - -------------------------------------------------------------------------------- 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 100 East Wisconsin Avenue Suite 2200 Milwaukee, WI 53202 United States - -------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 1,217,135 BENEFICIALLY ---------------------------------------------------- OWNED BY 6 SHARED VOTING POWER EACH 5,800 REPORTING ---------------------------------------------------- PERSON 7 SOLE DISPOSITIVE POWER WITH 1,217,135 ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 5,800 - -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 1,222,935 - -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) - -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 8.26% - -------------------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) IA - -------------------------------------------------------------------------------- Item 1. (a) DURATEK INC (b) 10100 Old Columbia Road Columbia, MD 21046 United States Item 2. (a) Fiduciary Management, Inc. (b) 100 East Wisconsin Avenue Suite 2200 Milwaukee, WI 53202 United States (c) Wisconsin (d) Common Stock (e) 26658Q102 Item 3. (a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). (b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). (c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c). (d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a-8). (e) [ X ] An investment adviser in accordance with 240.13d-1(b)(1)(ii)(E); (f) [ ] An employee benefit plan or endowment fund in accordance with 240.13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with 240.13d-1(b)(1)(ii)(G); (h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act; (i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) [ ] Group, in accordance with 240.13d-1(b)(1)(ii)(J). Item 4. Ownership. (a) Amount beneficially owned: 1,222,935 (b) Percent of class: 8.23% (c) Number of shares as to which the person has: 1,222,935 Item 5. Ownership of Five Percent or Less of a Class If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [ ]. Instruction: Dissolution of a group requires a response to this item. Item 6. Ownership of More than Five Percent on Behalf of Another Person. Fiduciary Management, Inc. is an Investment Adviser registered under the Investment Advisers Act of 1940. Its Principal Business is to provide investment advisory services to institutions and individuals. The shares to which this statement relates are owned directly by various accounts managed by Fiduciary Management, Inc. Such accounts have the right to receive dividends from, and the proceeds from the sale of, the shares. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person. Item 8. Identification and Classification of Members of the Group Item 9. Notice of Dissolution of Group Item 10. Certification 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. Date: January 27, 2005 Cyril M. Arsac Vice President Fiduciary Management, Inc. -----END PRIVACY-ENHANCED MESSAGE-----