0001104659-24-024375.txt : 20240215 0001104659-24-024375.hdr.sgml : 20240215 20240215092712 ACCESSION NUMBER: 0001104659-24-024375 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20231231 FILED AS OF DATE: 20240215 DATE AS OF CHANGE: 20240215 EFFECTIVENESS DATE: 20240215 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Port Capital LLC CENTRAL INDEX KEY: 0001729212 ORGANIZATION NAME: IRS NUMBER: 320475866 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-18218 FILM NUMBER: 24642420 BUSINESS ADDRESS: STREET 1: 180 NORTH STETSON AVENUE, SUITE 5700 CITY: CHICAGO STATE: IL ZIP: 60601 BUSINESS PHONE: 312.788.2400 MAIL ADDRESS: STREET 1: 180 NORTH STETSON AVENUE, SUITE 5700 CITY: CHICAGO STATE: IL ZIP: 60601 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE false false false 0001729212 XXXXXXXX 12-31-2023 12-31-2023 false Port Capital LLC

180 North Stetson Avenue, Suite 5700 Chicago IL 60601

13F HOLDINGS REPORT 028-18218 N Tracy Rothmeyer 312-788-2400 /s/ Tracy Rothmeyer Chicago IL 02-14-2024 0 89 1792540000 INFORMATION TABLE 2 infotable.xml ABBOTT LABS COM COM 002824100 795000 7225 SH SOLE 7225 0 0 ACCENTURE PLC IRELAND SHS CLAS SHS CLASS A G1151C101 322000 919 SH SOLE 919 0 0 ALPHABET INC CAP STK CL A CAP STK CL A 02079K305 8530000 61065 SH SOLE 61065 0 0 ALPHABET INC CAP STK CL C CAP STK CL C 02079K107 2432000 17259 SH SOLE 17259 0 0 ALPHATEC HLDGS INC COM NEW COM NEW 02081G201 196000 13000 SH SOLE 13000 0 0 AMAZON COM INC COM COM 023135106 1105000 7274 SH SOLE 7274 0 0 AMERICAN EXPRESS CO COM COM 025816109 238000 1272 SH SOLE 1272 0 0 AMETEK INC COM COM 031100100 73064000 443109 SH SOLE 443109 0 0 AMPHENOL CORP NEW CL A CL A 032095101 66422000 670051 SH SOLE 670051 0 0 AON PLC SHS CL A SHS CL A G0403H108 233000 800 SH SOLE 800 0 0 APPLE INC COM COM 037833100 11557000 60025 SH SOLE 60025 0 0 ARCH CAP GROUP LTD ORD ORD G0450A105 46191000 621940 SH SOLE 621940 0 0 ARES 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