0000934999-12-000005.txt : 20120425 0000934999-12-000005.hdr.sgml : 20120425 20120425095052 ACCESSION NUMBER: 0000934999-12-000005 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120331 FILED AS OF DATE: 20120425 DATE AS OF CHANGE: 20120425 EFFECTIVENESS DATE: 20120425 FILER: COMPANY DATA: COMPANY CONFORMED NAME: DF DENT & CO INC CENTRAL INDEX KEY: 0000934999 IRS NUMBER: 521045317 STATE OF INCORPORATION: MD FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-03691 FILM NUMBER: 12778223 BUSINESS ADDRESS: STREET 1: 2 EAST READ STREET STREET 2: 6TH FLOOR CITY: BALTIMORE STATE: MD ZIP: 21202 BUSINESS PHONE: 4108372544 MAIL ADDRESS: STREET 1: DF DENT & CO INC STREET 2: 2 EAST READ ST CITY: BALTIMORE STATE: MD ZIP: 21202 13F-HR 1 march0312.txt MARCH 2012 13F UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON DC 20549 FORM 13F FORM 13F COVER PAGE Report for Calendar Year or Quarter Ended: March 31, 2012 Check here if Amendment [] Amendment Number: This Amendment (Check only one): [] is a restatement. [] adds new holdings entries. Investment Manager Filing this Report: Name: D. F. Dent and Company, Inc. Address: 2 East Read Street, 6th Floor Baltimore, MD 21202 13F File Number: 028-03691 The investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists and tables, are considered integral parts of this submission. Person Signing this Report on Behalf of Reporting Manager: Name: Daniel F. Dent Title: President Phone: 410-837-2544 Signature, Place and Date of Signing: Report Type (Check Only One): [X] 13F Holdings Report [] 13F Notice [] 13F Combination Report FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 181 Form 13 F Information Table Value Total (thousands): 3180621 List of Other Included Managers: None FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- 3D SYSTEMS CORP COM 88554D205 55692 2365847 SH Sole 2365847 3M CO COM 88579Y101 451 5050 SH Sole 5050 ABBOTT LABORATORIES COM 002824100 1300 21205 SH Sole 21205 ACTUANT CORP A COM 00508X203 3726 128522 SH Sole 128522 ADTRAN INC COM 00738A106 59049 1893211 SH Sole 1893211 AGNICO-EAGLE MINES LTD COM 008474108 367 10988 SH Sole 10988 ALTERA CORP COM 021441100 485 12188 SH Sole 12188 AMDOCS LIMITED COM G02602103 182 5750 SH Sole 5750 AMERICAN PUBLIC EDUCATION INC COM 02913V103 26799 705244 SH Sole 705244 AMERICAN TOWER CORP COM 03027X100 71221 1130133 SH Sole 1130133 AMGEN INC COM 031162100 93 1366 SH Sole 1366 ANADARKO PETROLEUM CORP COM 032511107 298 3800 SH Sole 3800 ANSYS INC COM 03662Q105 159174 2448075 SH Sole 2448075 APACHE CORP COM 037411105 36760 365993 SH Sole 365993 APPLE COMPUTER INC COM 037833100 935 1559 SH Sole 1559 AUTOMATIC DATA PROCESSING COM 053015103 1807 32750 SH Sole 32750 BEACON ROOFING SUPPLY INC COM 073685109 37900 1471266 SH Sole 1471266 BERKSHIRE HATHAWAY INC COM 084670108 1097 9 SH Sole 9 BERKSHIRE HATHAWAY INC. 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