-----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, AAXz51qv3cltVYJnqQQSbM9pd4dSSsF+it3UH9Rt67URqzcyvWg5IMGGz0AH48yX YYq7azyl6s79kn5zFo57cA== 0000934999-10-000009.txt : 20101018 0000934999-10-000009.hdr.sgml : 20101018 20101018132652 ACCESSION NUMBER: 0000934999-10-000009 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20100930 FILED AS OF DATE: 20101018 DATE AS OF CHANGE: 20101018 EFFECTIVENESS DATE: 20101018 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: 101127679 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 inftable.txt SEPTEMBER 2010 13F REPORT 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 - ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- 3M CO 88579Y101 733 8453 SH Sole 8453 ABBOTT LABORATORIES 002824100 1097 21005 SH Sole 21005 ACTUANT CORP A 00508X203 23213 1011008 SH Sole 1011008 AGNICO-EAGLE MINES LTD 008474108 14370 202305 SH Sole 202305 ALCON INC H01301102 32403 194275 SH Sole 194275 ALTERA CORP 021441100 435 14418 SH Sole 14418 AMDOCS LIMITED G02602103 165 5750 SH Sole 5750 AMERICAN PUBLIC EDUCATION INC 02913V103 37167 1131084 SH Sole 1131084 AMERICAN TOWER CORP 029912201 56363 1099544 SH Sole 1099544 AMGEN INC 031162100 114 2066 SH Sole 2066 ANADARKO PETROLEUM CORP 032511107 163 2850 SH Sole 2850 ANSYS INC 03662Q105 95769 2266712 SH Sole 2266712 APACHE CORP 037411105 32592 333386 SH Sole 333386 APPLE COMPUTER INC 037833100 455 1605 SH Sole 1605 AUTOMATIC DATA PROCESSING 053015103 1586 37735 SH Sole 37735 BEACON ROOFING SUPPLY INC 073685109 17063 1171098 SH Sole 1171098 BERKSHIRE HATHAWAY INC 084670108 1494 12 SH Sole 12 BERKSHIRE HATHAWAY INC. DEL CL 084670702 2592 31350 SH Sole 31350 BHP BILLITON LTD 088606108 19 250 SH Sole 250 BP PLC ADR 055622104 277 6736 SH Sole 6736 CANADIAN NATIONAL RAILROAD CO 136375102 768 12000 SH Sole 12000 CAPELLA EDUCATION COMPANY 139594105 8838 113861 SH Sole 113861 CAPITAL ONE FINANCIAL 14040H105 1225 30963 SH Sole 30963 CARMAX INC 143130102 499 17900 SH Sole 17900 CELGENE CORP 151020104 2532 43955 SH Sole 43955 CHEVRON CORP 166764100 1240 15295 SH Sole 15295 CHICAGO BRIDGE & IRON CO NV 167250109 62380 2551324 SH Sole 2551324 CISCO SYSTEMS INC 17275R102 56072 2560364 SH Sole 2560364 COCA COLA CO 191216100 668 11417 SH Sole 11417 COLGATE-PALMOLIVE 194162103 369 4800 SH Sole 4800 COMCAST CORP - A 20030N101 353 19498 SH Sole 19498 COMCAST CORP - A - SPL 20030N200 2523 148312 SH Sole 148312 COMPOSITE TECH CORP 20461S108 0 1000 SH Sole 1000 CONSOLIDATED ENERGY INC 20854P109 4631 125289 SH Sole 125289 CORE LABORATORIES NV N22717107 33451 379949 SH Sole 379949 COSTCO WHOLESALE CRP DEL 22160K105 27 416 SH Sole 416 COVANCE INCORPORATED 222816100 36223 774162 SH Sole 774162 CROWN CASTLE INTL CORP 228227104 4208 95302 SH Sole 95302 DANAHER CORP 235851102 362 8916 SH Sole 8916 DEALERTRAK HOLDINGS, INC 242309102 29816 1745661 SH Sole 1745661 DENTSPLY INTL 249030107 3088 96585 SH Sole 96585 DEVON ENERGY CORP 25179M103 214 3306 SH Sole 3306 DONALDSON INC 257651109 3912 83015 SH Sole 83015 DUKE REALTY CORP 264411505 212 18250 SH Sole 18250 EAST WEST BANCORP INC 27579R104 539 33100 SH Sole 33100 EATON VANCE CP 278265103 8 260 SH Sole 260 ELI LILLY & CO 532457108 228 6250 SH Sole 6250 EMC CORP 268648102 12323 606750 SH Sole 606750 EMERSON 291011104 140 2656 SH Sole 2656 ENTERPRISE PRODUCTS PARTNERS L 293792107 359 9050 SH Sole 9050 EQT CORPORATION 26884L109 1745 48400 SH Sole 48400 EQUITY RESIDENTIAL PROPERTYS I 29476l107 423 8892 SH Sole 8892 EUROSEAS LTD Y23592200 49 12400 SH Sole 12400 EXPEDITORS INTERNATIONAL 302130109 130613 2825286 SH Sole 2825286 EXPRESS SCRIPTS INC 302182100 851 17466 SH Sole 17466 EXXON MOBIL CORP 30231G102 1544 24993 SH Sole 24993 FASTENAL CO 311900104 193017 3628812 SH Sole 3628812 FISERV INC 337738108 4582 85140 SH Sole 85140 FLUOR CORP 343412102 295 5950 SH Sole 5950 FMC TECHNOLOGIES INC. 30249U101 513 7512 SH Sole 7512 FOSTER WHEELER LTD H27178104 15 625 SH Sole 625 FREEPORT MCMORAN COPPER & GOLD 35671D857 209 2450 SH Sole 2450 GENERAL DYNAMICS 369550108 272 4326 SH Sole 4326 GENERAL ELECTRIC 369604103 4902 301652 SH Sole 301652 GLACIER BANCORP 37637Q105 1525 104525 SH Sole 104525 GOLDMAN SACHS GROUP 38141G104 50 345 SH Sole 345 HCP INC 40414L109 5130 142582 SH Sole 142582 HEALTHCARE SERVICES GROUP INC 421906108 25730 1129024 SH Sole 1129024 HENRY SCHEIN INC. 806407102 29 500 SH Sole 500 HEWLETT-PACKARD 428236103 613 14582 SH Sole 14582 IDEXX LABORATORIES, INC. 45168D104 152126 2464773 SH Sole 2464773 II-VI INC 902104108 34935 935835 SH Sole 935835 ILLINOIS TOOL WORKS 452308109 26 550 SH Sole 550 INTEL CORP 458140100 36914 1922604 SH Sole 1922604 INTL BUSINESS MACH CORP 459200101 2517 18767 SH Sole 18767 IRON MOUNTAIN 462846106 33928 1518725 SH Sole 1518725 J P MORGAN CHASE & CO 46625H100 288 7557 SH Sole 7557 JACOBS ENGINEERING CP INC 469814107 75891 1961020 SH Sole 1961020 JAMBA, INC. 47023A101 16 7500 SH Sole 7500 JOHNSON & JOHNSON 478160104 7949 128291 SH Sole 128291 JOHNSON CONTROLS INC 478366107 272 8916 SH Sole 8916 K12 INC 48273U102 23430 807108 SH Sole 807108 KINDER MORGAN MGT LLC 49455U100 476 7908 SH Sole 7908 KINROSS GOLD CORP 496902404 122 6500 SH Sole 6500 LABORATORY CORP OF AMERICA HOL 50540R409 8362 106617 SH Sole 106617 LEGG MASON INC 524901105 105 3476 SH Sole 3476 LKQ CORP 501889208 925 44485 SH Sole 44485 MACY'S, INC. 55616P104 218 9438 SH Sole 9438 MAG SILVER CORP 55903Q104 6 800 SH Sole 800 MARKEL CORP 570535104 58848 170777 SH Sole 170777 MASTERCARD INC CL A 57636Q104 897 4004 SH Sole 4004 McCORMICK & CO 579780206 652 15510 SH Sole 15510 MERCK & CO 58933Y105 1107 30079 SH Sole 30079 MHI HOSPITALITY CORP 55302L102 47 18125 SH Sole 18125 MICROSOFT CORP 594918104 4120 168229 SH Sole 168229 MIDDLEBY CORP 596278101 914 14418 SH Sole 14418 MONSANTO CO 61166W101 11007 229643 SH Sole 229643 MURPHY OIL CORP 626717102 272 4400 SH Sole 4400 NATIONAL AMERICAN UNIV HOLDING 63245Q105 7564 1125525 SH Sole 1125525 NATIONWIDE HEALTH PROPERTIES 638620104 2486 64283 SH Sole 64283 NEOGEN CORP 640491106 220 6500 SH Sole 6500 NESTLE S.A. 641069406 295 5524 SH Sole 5524 NEWMONT MINING CORP 651639106 211 3364 SH Sole 3364 NOKIA CORP ADR 654902204 22 2190 SH Sole 2190 NORFOLK SOUTHERN CORP 655844108 207 3475 SH Sole 3475 NUANCE COMMUNICATIONS 67020Y100 41 2600 SH Sole 2600 PAYCHEX 704326107 8233 299483 SH Sole 299483 PEABODY ENERGY CORP 704549104 18 375 SH Sole 375 PEPSICO INC 713448108 304 4574 SH Sole 4574 PFIZER INC 717081103 1013 58991 SH Sole 58991 PHILIP MORRIS INTL 718172109 367 6550 SH Sole 6550 PINNACLE WEST CAPITOL CORP 723484101 239 5800 SH Sole 5800 PNC FINANCIAL SVCS INC 693475105 1603 30873 SH Sole 30873 POOL CORPORATION 73278L105 453 22586 SH Sole 22586 POTASH CORP OF SASKATCHEWAN 73755L107 39735 275858 SH Sole 275858 PRECISION CASTPARTS CORP 740189105 229 1800 SH Sole 1800 PROCTER & GAMBLE CO 742718109 26460 441216 SH Sole 441216 QUALCOMM INC 747525103 100208 2220310 SH Sole 2220310 RANGE RESOURCES CORP 75281A109 17224 451725 SH Sole 451725 RESMED INC 761152107 87628 2670761 SH Sole 2670761 RIO TINTO PLC 767204100 793 13500 SH Sole 13500 ROPER INDUSTRIES, INC 776696106 84564 1297390 SH Sole 1297390 SBA COMMUNICATIONS CORP 78388J106 636 15775 SH Sole 15775 SCHLUMBERGER LTD 806857108 109139 1771449 SH Sole 1771449 STATE STREET CORPORATION 857477103 147 3900 SH Sole 3900 STERICYCLE INC 858912108 78572 1130858 SH Sole 1130858 STONEMOR PARTNERS LP 86183Q100 328 13000 SH Sole 13000 STRYKER CORP 863667101 4558 91060 SH Sole 91060 SUNCOR ENERGY INC 867224107 295 9050 SH Sole 9050 T ROWE PRICE GROUP INC 74144T108 77274 1543481 SH Sole 1543481 TECHNE CORP 878377100 79124 1281778 SH Sole 1281778 TELEFLEX INC 879369106 270 4750 SH Sole 4750 TEVA PHARMACEUTICAL ADR 881624209 60990 1156216 SH Sole 1156216 TEXAS INSTRUMENTS 882508104 8 308 SH Sole 308 TRIMBLE NAVIGATION LTD 896239100 85257 2433130 SH Sole 2433130 U.S. BANCORP 902973304 991 45842 SH Sole 45842 ULTRA PETROLEUM CORP 903914109 85025 2025371 SH Sole 2025371 UNIT CORP 909218109 26578 712743 SH Sole 712743 UNITED TECHNOLOGIES CORP 913017109 315 4421 SH Sole 4421 VISA INC 92826C839 45244 609268 SH Sole 609268 WALT DISNEY CO 254687106 287 8669 SH Sole 8669 WELLS FARGO & CO 949746101 533 21225 SH Sole 21225 WHOLE FOODS MARKET 966837106 293 7900 SH Sole 7900 WR BERKLEY CORP 084423102 20989 775368 SH Sole 775368 ISHARES INC MSCI TAIWAN INDEX 464286731 18 1300 SH Sole 1300 ISHARES S&P 500 GROWTH INDEX 464287309 1007 16965 SH Sole 16965 ISHARES TR MSCI EAFE INDEX FD 464287465 311 5670 SH Sole 5670 VANGUARD FTSE ALL-WORLD EX-US 922042775 365 8050 SH Sole 8050 ALPINE REALTY INCOME & GROWTH 020940862 155 10901 SH Sole 10901 ARTIO INTL EQUITY FUND II CL A 04315J845 281 23728 SH Sole 23728 BUFFALO SCIENCE & TECH FD 119530103 151 10735 SH Sole 10735 DAVIS NY VENTURE FD CL A 239080104 707 22506 SH Sole 22506 DF DENT PREMIER GROWTH FUND 349903419 669 46135 SH Sole 46135 FAIRHOLME FUND 304871106 260 7926 SH Sole 7926 HARBOR FUND INTERNATIONAL FUND 411511306 797 14067 SH Sole 14067 MASTERS SELECT INTERNATIONAL 576417208 80 5690 SH Sole 5690 T ROWE PRICE INTNL FUND 77956H203 364 27094 SH Sole 27094 T ROWE PRICE MID-CAP GROWTH 779556109 58 1093 SH Sole 1093 VANGUARD REIT FUND INDEX 921908703 216 12495 SH Sole 12495
-----END PRIVACY-ENHANCED MESSAGE-----