0000934999-13-000005.txt : 20130425 0000934999-13-000005.hdr.sgml : 20130425 20130425145225 ACCESSION NUMBER: 0000934999-13-000005 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20130331 FILED AS OF DATE: 20130425 DATE AS OF CHANGE: 20130425 EFFECTIVENESS DATE: 20130425 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: 13782467 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 march2013.txt MARCH 2013 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON DC 20549 FORM 13F FORM 13F COVER PAGE Report for Calendar Year or Quarter Ended: March 31, 2013 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: 163 Form 13 F Information Table Value Total (thousands): 3463229 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 92680 2874704 SH Sole 2874704 3M CO COM 88579Y101 464 4367 SH Sole 4367 ABBOTT LABORATORIES COM 002824100 715 20247 SH Sole 20247 ABBVIE INC COM 00287Y109 826 20247 SH Sole 20247 ACTUANT CORP A COM 00508X203 2433 79472 SH Sole 79472 ALTERA CORP COM 021441100 405 11408 SH Sole 11408 AMERICAN PUBLIC EDUCATION INC COM 02913V103 24642 706284 SH Sole 706284 AMERICAN TOWER CORP COM 03027X100 76711 997287 SH Sole 997287 ANADARKO PETROLEUM CORP COM 032511107 638 7300 SH Sole 7300 ANSYS INC COM 03662Q105 189065 2322098 SH Sole 2322098 APACHE CORP COM 037411105 24483 317297 SH Sole 317297 APPLE COMPUTER INC COM 037833100 737 1666 SH Sole 1666 APPLIED MINERALS COM 305 217600 SH Sole 217600 AUTOMATIC DATA PROCESSING COM 053015103 2109 32425 SH Sole 32425 BECTON DICKINSON & CO COM 075887109 210 2200 SH Sole 2200 BERKSHIRE HATHAWAY INC COM 084670108 1094 7 SH Sole 7 BERKSHIRE HATHAWAY INC. DEL CL COM 084670702 2561 24579 SH Sole 24579 CANADIAN NATIONAL RAILROAD CO COM 136375102 1003 10000 SH Sole 10000 CAPITAL ONE FINANCIAL COM 14040H105 1539 28009 SH Sole 28009 CARMAX INC COM 143130102 830 19900 SH Sole 19900 CELGENE CORP COM 151020104 73657 635467 SH Sole 635467 CHEVRON CORP COM 166764100 1565 13172 SH Sole 13172 CISCO SYSTEMS INC COM 17275R102 2606 124705 SH Sole 124705 CLEAN HARBORS INC COM 184496107 58866 1013351 SH Sole 1013351 COCA COLA CO COM 191216100 1079 26684 SH Sole 26684 COLGATE-PALMOLIVE COM 194162103 590 5000 SH Sole 5000 COMCAST CORP - A COM 20030N101 636 15150 SH Sole 15150 COMCAST CORP - A - SPL COM 20030N200 3569 90113 SH Sole 90113 CONCHO RESOURCES INC COM 20605P101 58553 600977 SH Sole 600977 CONCUR TECHNOLOGIES, INC. COM 206708109 76902 1120038 SH Sole 1120038 CORE LABORATORIES NV COM N22717107 46612 337962 SH Sole 337962 COSTAR GROUP INC. COM 22160n109 62341 569534 SH Sole 569534 CROWN CASTLE INTL CORP COM 228227104 5077 72909 SH Sole 72909 DEALERTRACK TECHNOLOGIES INC COM 242309102 55249 1880498 SH Sole 1880498 DENTSPLY INTL COM 249030107 800 18857 SH Sole 18857 DONALDSON INC COM 257651109 5172 142907 SH Sole 142907 DUKE REALTY CORP COM 264411505 264 15550 SH Sole 15550 EAST WEST BANCORP INC COM 27579R104 488 19000 SH Sole 19000 ECOLAB INC COM 278865100 86460 1078322 SH Sole 1078322 ELI LILLY & CO COM 532457108 544 9584 SH Sole 9584 EMERSON COM 291011104 346 6201 SH Sole 6201 ENTERPRISE PRODUCTS PARTNERS L COM 293792107 528 8750 SH Sole 8750 EQT CORPORATION COM 26884L109 4024 59401 SH Sole 59401 EQUITY RESIDENTIAL PROPERTYS I COM 29476l107 424 7696 SH Sole 7696 EUROSEAS LTD COM Y23592200 13 11400 SH Sole 11400 EXAMWORKS GROUP INC. COM 30066a105 733 42312 SH Sole 42312 EXPEDITORS INTERNATIONAL COM 302130109 106218 2972782 SH Sole 2972782 EXPONENT INC. 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COM 756577102 23473 464267 SH Sole 464267 RENAISSANCE RE HOLDINGS LTD COM G7496G103 902 9810 SH Sole 9810 RESMED INC COM 761152107 104616 2256610 SH Sole 2256610 ROPER INDUSTRIES, INC COM 776696106 96916 761263 SH Sole 761263 SBA COMMUNICATIONS CORP COM 78388J106 1717 23851 SH Sole 23851 SCHLUMBERGER LTD COM 806857108 103395 1380629 SH Sole 1380629 SEI INVESTMENTS CO COM 784117103 99171 3437465 SH Sole 3437465 SILVER WHEATON CORP COM 828336107 611 19500 SH Sole 19500 SOUTHWESTERN ENERGY CO COM 845467109 42158 1131457 SH Sole 1131457 STERICYCLE INC COM 858912108 109562 1031849 SH Sole 1031849 STONEMOR PARTNERS LP COM 86183Q100 319 12700 SH Sole 12700 STRYKER CORP COM 863667101 301 4609 SH Sole 4609 T ROWE PRICE GROUP INC COM 74144T108 115747 1545973 SH Sole 1545973 TECHNE CORP COM 878377100 959 14134 SH Sole 14134 TELEFLEX INC COM 879369106 232 2750 SH Sole 2750 TRIMBLE NAVIGATION LTD COM 896239100 139766 4661978 SH Sole 4661978 TYLER TECHNOLOGIES INC COM 902252105 36338 593179 SH Sole 593179 U.S. BANCORP COM 902973304 1071 31567 SH Sole 31567 UNDER ARMOUR, INC COM 904311107 205 4000 SH Sole 4000 UNIT CORP COM 909218109 263 5765 SH Sole 5765 UNITED TECHNOLOGIES CORP COM 913017109 353 3776 SH Sole 3776 VENTAS INC COM 92276f100 3517 48045 SH Sole 48045 VERIZON COMMUNICATIONS COM 92343V104 260 5285 SH Sole 5285 VISA INC COM 92826C839 91559 539091 SH Sole 539091 WAGEWORKS INC COM 930427109 41127 1643114 SH Sole 1643114 WALT DISNEY CO COM 254687106 507 8919 SH Sole 8919 WASTE CONNECTIONS INC COM 941053100 69747 1938506 SH Sole 1938506 WELLS FARGO & CO COM 949746101 246 6655 SH Sole 6655 WHOLE FOODS MARKET COM 966837106 685 7900 SH Sole 7900 WR BERKLEY CORP COM 084423102 4137 93228 SH Sole 93228 VANGUARD DIVIDEND 921908844 343 5225 SH Sole 5225 VANGUARD FTSE ALL-WORLD EX-US 922042775 2481 53522 SH Sole 53522 VANGUARD FTSE EMERGING MARKETS 922042858 554 12925 SH Sole 12925 VANGUARD INDEX REIT ETF 922908553 394 5580 SH Sole 5580 ALPINE REALTY INCOME & GROWTH 020940862 205 10901 SH Sole 10901 DAVIS NY VENTURE FD CL A 239080104 682 17656 SH Sole 17656 HARBOR FUND INTERNATIONAL FUND 411511306 1502 23677 SH Sole 23677 T ROWE PRICE TAX FREE INCOME 779576107 643 61162 SH Sole 61162 TROW PRICE SPECTRUM INT'L FUND 779906304 391 34581 SH Sole 34581 VANGUARD REIT FUND INDEX 921908703 293 12495 SH Sole 12495