Port Capital LLC 13F Holdings

CIK 0001729212 · Chicago, IL

As of Sep 30, 2025, Port Capital LLC reported 84 positions worth $2.4B in its SEC Form 13F filing.

Top 25 holdings

SecurityTickerSectorSharesValue% of portfolio
HEICO CORPHEI.AIndustrials856,191$217.6M9.07%
RBC BEARINGS INCRBCIndustrials367,848 43.6M5.98%
AMPHENOL CORP-CL AAPHTechnology1,078,749 33.5M5.56%
TELEDYNE TECHNOLOGIES INCTDYTechnology194,309 13.9M4.75%
O REILLY AUTOMOTIVE INCORLYConsumer Cyclical972,592 04.9M4.37%
RLI CORPRLIFinancial Services1,538,043 00.3M4.18%
SPX TECHNOLOGIES INCSPXCIndustrials459,209$85.8M3.57%
PROGRESSIVE CORPPGRFinancial Services345,935$85.4M3.56%
AMETEK INCAMEIndustrials452,594$85.1M3.55%
LINDE PLCLINBasic Materials176,019$83.6M3.48%
GRACO INCGGGIndustrials861,083$73.2M3.05%
WATTS WATER TECHNOLOGIES INCWTSIndustrials251,206$70.2M2.92%
SIMPSON MANUFACTURING CO INCSSDBasic Materials406,210$68.0M2.84%
COPART INCCPRTIndustrials1,430,014$64.3M2.68%
INTERCONTINENTAL EXCHANGE INCICEFinancial Services379,956$64.0M2.67%
PARKER-HANNIFIN CORPPHIndustrials83,126$63.0M2.63%
MASTERCARD INCMAFinancial Services110,579$62.9M2.62%
CACI INTERNATIONAL INCCACITechnology118,661$59.2M2.47%
ARCH CAPITAL GROUP LTDACGLFinancial Services650,272$59.0M2.46%
WINMARK CORPWINAConsumer Cyclical98,118$48.8M2.04%
KINSALE CAPITAL GROUP INCKNSLFinancial Services109,693$46.6M1.94%
UL SOLUTIONS INCULSIndustrials625,325$44.3M1.85%
FISERV INCFISVTechnology337,120$43.5M1.81%
CANADIAN PACIFIC KANSAS CITY LTDCPIndustrials528,799$39.4M1.64%
VISA INC-CLASS A SHARESVFinancial Services112,492$38.4M1.60%