0001168889-20-000004.txt : 20200511 0001168889-20-000004.hdr.sgml : 20200511 20200508181049 ACCESSION NUMBER: 0001168889-20-000004 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20200331 FILED AS OF DATE: 20200511 DATE AS OF CHANGE: 20200508 EFFECTIVENESS DATE: 20200511 FILER: COMPANY DATA: COMPANY CONFORMED NAME: CARDEROCK CAPITAL MANAGEMENT INC CENTRAL INDEX KEY: 0001168889 IRS NUMBER: 521487670 STATE OF INCORPORATION: MD FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-10166 FILM NUMBER: 20862108 BUSINESS ADDRESS: STREET 1: 2 WISCONSIN CIRCLE STREET 2: SUITE 600 CITY: CHEVY CHASE STATE: MD ZIP: 20815-7003 BUSINESS PHONE: 3019515288 MAIL ADDRESS: STREET 1: 2 WISCONSIN CIRCLE STREET 2: SUITE 600 CITY: CHEVY CHASE STATE: MD ZIP: 20815-7003 FORMER COMPANY: FORMER CONFORMED NAME: MERSEREAU CO DATE OF NAME CHANGE: 20020311 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0001168889 XXXXXXXX 03-31-2020 03-31-2020 CARDEROCK CAPITAL MANAGEMENT INC

2 WISCONSIN CIRCLE SUITE 600 CHEVY CHASE MD 20815-7003

13F HOLDINGS REPORT 028-10166 N James W Mersereau 3019515288 x 102 James W Mersereau CHEVY CHASE MD 05-08-2020 0 67 218058 false INFORMATION TABLE 2 Carderock13F-table-1Q2020.xml HOLDINGS TABLE Abbott Laboratories COM 002824100 4585 58104 SH SOLE 0 0 58104 Accenture PLC Cl A COM G1151C101 6974 42715 SH SOLE 0 0 42715 Adobe Inc COM 00724F101 6418 20168 SH SOLE 0 0 20168 Air Products & Chemicals COM 009158106 3639 18232 SH SOLE 0 0 18232 Alphabet Inc COM 02079K305 5597 4817 SH SOLE 0 0 4817 Alphabet Inc Cl C COM 02079K107 209 180 SH SOLE 0 0 180 American Tower Corp. COM 03027X100 4640 21311 SH SOLE 0 0 21311 Ametek COM 031100100 2979 41360 SH SOLE 0 0 41360 Amgen COM 031162100 5268 25986 SH SOLE 0 0 25986 Amphenol Corp COM 032095101 4281 58742 SH SOLE 0 0 58742 Ansys COM 03662Q105 5565 23939 SH SOLE 0 0 23939 Aon PLC COM G0403H108 4178 25317 SH SOLE 0 0 25317 Apple Computer COM 037833100 10317 40572 SH SOLE 0 0 40572 Automatic Data Proc COM 053015103 4388 32103 SH SOLE 0 0 32103 Autozone COM 053332102 694 820 SH SOLE 0 0 820 Becton Dickinson & Co COM 075887109 4638 20187 SH SOLE 0 0 20187 Berkshire Hathaway Cl B COM 084670702 203 1110 SH SOLE 0 0 1110 Bristol-Myers Squibb COM 110122108 303 5440 SH SOLE 0 0 5440 Canadian National Railway Corp COM 136375102 1121 14443 SH SOLE 0 0 14443 Chevron Texaco Corp COM 166764100 819 11300 SH SOLE 0 0 11300 Church & Dwight COM 171340102 4738 73818 SH SOLE 0 0 73818 Clorox Co COM 189054109 351 2025 SH SOLE 0 0 2025 Comcast Corp Cl A COM 20030N101 3701 107647 SH SOLE 0 0 107647 Costar Group Com COM 22160N109 285 486 SH SOLE 0 0 486 Costco Wholesale COM 22160K105 4771 16734 SH SOLE 0 0 16734 Danaher Corp COM 235851102 4928 35607 SH SOLE 0 0 35607 Ecolab COM 278865100 4877 31297 SH SOLE 0 0 31297 Edward Lifesciences COM 28176E108 1056 5600 SH SOLE 0 0 5600 Extra Space Storage COM 30225T102 217 2267 SH SOLE 0 0 2267 Factset Research System COM 303075105 262 1005 SH SOLE 0 0 1005 Fair Isaac Corp COM 303250104 1546 5025 SH SOLE 0 0 5025 Fiserv COM 337738108 5279 55579 SH SOLE 0 0 55579 Henry Schein COM 806407102 915 18121 SH SOLE 0 0 18121 Home Depot COM 437076102 4159 22275 SH SOLE 0 0 22275 Honeywell COM 438516106 4251 31770 SH SOLE 0 0 31770 Idexx Labs COM 45168D104 5052 20854 SH SOLE 0 0 20854 Illinois Tool Works COM 452308109 3545 24943 SH SOLE 0 0 24943 Intel Corp COM 458140100 4858 89765 SH SOLE 0 0 89765 Intuit COM 461202103 5049 21952 SH SOLE 0 0 21952 J P Morgan Chase COM 46625H100 2635 29264 SH SOLE 0 0 29264 Johnson & Johnson COM 478160104 648 4939 SH SOLE 0 0 4939 L3 Harris COM 502431109 3952 21942 SH SOLE 0 0 21942 Laboratory Corp COM 50540R409 3360 26587 SH SOLE 0 0 26587 Lauder Estee Cos Inc COM 518439104 1636 10269 SH SOLE 0 0 10269 Mastercard Worldwide COM 57636Q104 6470 26786 SH SOLE 0 0 26786 McCormick & Co COM 579780206 4434 31398 SH SOLE 0 0 31398 Merck & Co New COM 58933Y105 379 4924 SH SOLE 0 0 4924 Mettler Toledo Intl COM 592688105 3762 5448 SH SOLE 0 0 5448 Microsoft Corp COM 594918104 7049 44699 SH SOLE 0 0 44699 Moody's Corp COM 615369105 2738 12946 SH SOLE 0 0 12946 NextEra Energy COM 65339F101 2191 9107 SH SOLE 0 0 9107 Nike Cl B COM 654106103 3932 47522 SH SOLE 0 0 47522 O'Reilly Automotive New COM 67103H107 2294 7619 SH SOLE 0 0 7619 Paychex COM 704326107 370 5884 SH SOLE 0 0 5884 Pitney Bowes Inc COM 724479100 24 11530 SH SOLE 0 0 11530 Public Storage Com COM 74460D109 623 3137 SH SOLE 0 0 3137 Roper Technologies Inc COM 776696106 4261 13665 SH SOLE 0 0 13665 Sherwin-Williams Co COM 824348106 3756 8173 SH SOLE 0 0 8173 Starbucks Corp COM 855244109 2796 42537 SH SOLE 0 0 42537 TRPrice Assoc COM 74144T108 847 8675 SH SOLE 0 0 8675 Taiwan Semiconductor COM 874039100 6446 134889 SH SOLE 0 0 134889 Thermo Fisher Scientific COM 883556102 7171 25285 SH SOLE 0 0 25285 Toro Co COM 891092108 4240 65144 SH SOLE 0 0 65144 Union Pacific Corp COM 907818108 348 2467 SH SOLE 0 0 2467 UnitedHealth Grp COM 91324P102 3123 12525 SH SOLE 0 0 12525 Verizon Communication COM 92343v104 1622 30194 SH SOLE 0 0 30194 Walt Disney Company COM 254687106 291 3016 SH SOLE 0 0 3016