0000950123-18-012120.txt : 20181116 0000950123-18-012120.hdr.sgml : 20181116 20181116113735 ACCESSION NUMBER: 0000950123-18-012120 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20180930 FILED AS OF DATE: 20181116 DATE AS OF CHANGE: 20181116 EFFECTIVENESS DATE: 20181116 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MARSHFIELD ASSOCIATES CENTRAL INDEX KEY: 0000914976 IRS NUMBER: 521670976 STATE OF INCORPORATION: DC FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-03998 FILM NUMBER: 181189052 BUSINESS ADDRESS: STREET 1: 21 DUPONT CIRCLE NW STREET 2: SUITE 500 CITY: WASHINGTON STATE: DC ZIP: 20036 BUSINESS PHONE: 202-828-6200 MAIL ADDRESS: STREET 1: 21 DUPONT CIRCLE NW STREET 2: SUITE 500 CITY: WASHINGTON STATE: DC ZIP: 20036 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0000914976 XXXXXXXX 09-30-2018 09-30-2018 MARSHFIELD ASSOCIATES

21 DUPONT CIRCLE NW SUITE 500 WASHINGTON DC 20036

13F HOLDINGS REPORT 028-03998 N CARMEN COLT 202-828-6200 /s/ CARMEN COLT WASHINGTON DC 11-15-2018 0 18 1556829 false INFORMATION TABLE 2 form13fInfoTable.xml INFORMATION TABLE FOR FORM 13F Arch Capital Group Ltd COM G0450A105 132400 4441474 SH SOLE 4434379 0 7095 Autozone Inc. COM 053332102 94711 122097 SH SOLE 121907 0 190 Chipotle Mexican Grill Cl A COM 169656105 105477 232063 SH SOLE 231707 0 356 Cummins Inc COM 231021106 77034 527379 SH SOLE 526924 0 455 Deere & Co. COM 244199105 105527 701970 SH SOLE 700890 0 1080 Expeditors International of Washington COM 302130109 81399 1107014 SH SOLE 1105684 0 1330 Fastenal Co COM 311900104 84302 1452985 SH SOLE 1450765 0 2220 Goldman Sachs Group Inc COM 38141G104 101369 452054 SH SOLE 451384 0 670 Mastercard Inc Class A COM 57636Q104 104822 470877 SH SOLE 470247 0 630 Moody's Corp. COM 615369105 181514 1085608 SH SOLE 1083933 0 1675 NVR Inc COM 62944T105 34969 14153 SH SOLE 14132 0 21 O'Reilly Automotive Inc COM 67103H107 80810 232668 SH SOLE 232313 0 355 Ross Stores Inc COM 778296103 71228 718744 SH SOLE 717649 0 1095 Strategic Education Inc COM 86272C103 70450 514120 SH SOLE 513377 0 743 Union Pacific Corporation COM 907818108 50549 310442 SH SOLE 309923 0 519 Visa Inc Cl A COM 92826C839 90175 600810 SH SOLE 599890 0 920 Waters Corp COM 941848103 18324 94124 SH SOLE 94124 0 0 YUM! Brands Inc COM 988498101 71768 789442 SH SOLE 787465 0 1977