Q1 2026 · 13F-HR
Port Capital LLCholdings as filed
Filed 2026-05-15 · accession 0001104659-26-062522
$2.25B
Reported value
82
Positions
2026-03-31
Period end
The Brief · Port Capital LLC · Q1 2026
AI · grounded in 13F
Port Capital LLC exited its positions in BRO and ADP, reducing its holdings by $21.5M and $19.2M respectively. The fund significantly increased its stake in AXP by 189.7% and established new positions in MDLN for $13.3M and DGII for $12.4M. Other activity included accumulating shares of ETN by 24.5% and trimming its holding in SPGI by 63.6%.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 75524B104 | RBC | RBC BEARINGS INC | $186.7M | 8.30% | 343,831 | Common | SOLE |
| 422806208 | HEI/A | HEICO CORP NEW | $174.4M | 7.75% | 826,086 | Common | SOLE |
| 879360105 | TDY | TELEDYNE TECHNOLOGIES INC | $151.8M | 6.75% | 250,831 | Common | SOLE |
| 032095101 | APH | AMPHENOL CORP | $102.7M | 4.57% | 812,604 | Common | SOLE |
| 031100100 | AME | AMETEK INC | $92.7M | 4.12% | 432,246 | Common | SOLE |
| 78473E103 | SPXC | SPX TECHNOLOGIES INC | $92.0M | 4.09% | 460,289 | Common | SOLE |
| 67103H107 | ORLY | OREILLY AUTOMOTIVE INC | $87.0M | 3.87% | 942,570 | Common | SOLE |
| G54950103 | LIN | LINDE PLC | $84.7M | 3.77% | 170,919 | Common | SOLE |
| 749607107 | RLI | RLI CORP | $79.1M | 3.52% | 1,387,507 | Common | SOLE |
| 384109104 | GGG | GRACO INC | $77.6M | 3.45% | 916,397 | Common | SOLE |
| 701094104 | PH | PARKER-HANNIFIN CORP | $75.8M | 3.37% | 84,638 | Common | SOLE |
| 942749102 | WTS | WATTS WATER TECHNOLOGIES INC | $74.7M | 3.32% | 257,406 | Common | SOLE |
| 829073105 | SSD | SIMPSON MFG INC | $70.0M | 3.11% | 408,069 | Common | SOLE |
| 45866F104 | ICE | INTERCONTINENTAL EXCHANGE INC | $57.6M | 2.56% | 366,233 | Common | SOLE |
| 127190304 | CACI | CACI INTL INC | $55.7M | 2.48% | 102,502 | Common | SOLE |
| 04956D107 | ATMU | ATMUS FILTRATION TECHNOLOGIES | $51.6M | 2.29% | 908,680 | Common | SOLE |
| 217204106 | CPRT | COPART INC | $49.7M | 2.21% | 1,496,709 | Common | SOLE |
| 903731107 | ULS | UL SOLUTIONS INC | $49.7M | 2.21% | 579,675 | Common | SOLE |
| 57636Q104 | MA | MASTERCARD INCORPORATED | $49.4M | 2.20% | 98,867 | Common | SOLE |
| G0450A105 | ACGL | ARCH CAP GROUP LTD | $48.8M | 2.17% | 508,652 | Common | SOLE |
| 743315103 | PGR | PROGRESSIVE CORP | $48.4M | 2.15% | 244,335 | Common | SOLE |
| 13646K108 | CP | CANADIAN PACIFIC KANSAS CITY | $44.2M | 1.97% | 563,874 | Common | SOLE |
| 974250102 | WINA | WINMARK CORP | $42.0M | 1.87% | 98,186 | Common | SOLE |
| G29183103 | ETN | EATON CORP PLC | $38.4M | 1.71% | 107,453 | Common | SOLE |
| 824348106 | SHW | SHERWIN WILLIAMS CO | $38.3M | 1.70% | 119,587 | Common | SOLE |
| 92826C839 | V | VISA INC | $35.3M | 1.57% | 116,932 | Common | SOLE |
| 743606105 | PB | PROSPERITY BANCSHARES INC | $34.4M | 1.53% | 511,855 | Common | SOLE |
| 49714P108 | KNSL | KINSALE CAP GROUP INC | $33.3M | 1.48% | 97,583 | Common | SOLE |
| 680223104 | ORI | OLD REP INTL CORP | $30.5M | 1.36% | 764,889 | Common | SOLE |
| 025816109 | AXP | AMERICAN EXPRESS CO | $28.7M | 1.28% | 94,900 | Common | SOLE |
| 37637Q105 | GBCI | GLACIER BANCORP INC NEW | $23.4M | 1.04% | 523,599 | Common | SOLE |
| 45167R104 | IEX | IDEX CORP | $21.0M | 0.93% | 110,728 | Common | SOLE |
| 46137V357 | RSP | INVESCO EXCHANGE TRADED FD TR | $16.7M | 0.74% | 87,085 | Common | SOLE |
| 58507V107 | MDLN | MEDLINE INC | $13.3M | 0.59% | 298,800 | Common | SOLE |
| 253798102 | DGII | DIGI INTL INC | $12.4M | 0.55% | 257,832 | Common | SOLE |
| 78409V104 | SPGI | S&P GLOBAL INC | $12.0M | 0.53% | 28,272 | Common | SOLE |
| 037833100 | AAPL | APPLE INC | $11.8M | 0.53% | 46,648 | Common | SOLE |
| 78462F103 | SPY | STATE STR SPDR S&P 500 ETF TR | $7.4M | 0.33% | 11,355 | Common | SOLE |
| 194162103 | CL | COLGATE PALMOLIVE CO | $5.6M | 0.25% | 66,115 | Common | SOLE |
| 02079K107 | GOOG | ALPHABET INC | $4.6M | 0.20% | 16,009 | Common | SOLE |
| 594918104 | MSFT | MICROSOFT CORP | $3.8M | 0.17% | 10,297 | Common | SOLE |
| 808524805 | SCHF | SCHWAB STRATEGIC TR | $3.6M | 0.16% | 146,692 | Common | SOLE |
| 02079K305 | GOOGL | ALPHABET INC | $2.2M | 0.10% | 7,814 | Common | SOLE |
| 464285204 | IAU | ISHARES GOLD TR | $1.7M | 0.08% | 19,250 | Common | SOLE |
| 023135106 | AMZN | AMAZON COM INC | $1.5M | 0.06% | 6,993 | Common | SOLE |
| 126402106 | CSW | CSW INDUSTRIALS INC | $1.3M | 0.06% | 5,100 | Common | SOLE |
| 464287804 | IJR | ISHARES TR | $1.3M | 0.06% | 10,655 | Common | SOLE |
| 478160104 | JNJ | JOHNSON & JOHNSON | $1.2M | 0.05% | 4,991 | Common | SOLE |
| 46625H100 | JPM | JPMORGAN CHASE & CO | $1.0M | 0.05% | 3,536 | Common | SOLE |
| 922908769 | VTI | VANGUARD INDEX FDS | $1.0M | 0.05% | 3,186 | Common | SOLE |
| 71654V101 | PBR/A | PETROLEO BRASILEIRO S A | $1.0M | 0.04% | 53,600 | Common | SOLE |
| 571903202 | MAR | MARRIOTT INTL INC NEW | $934,112 | 0.04% | 2,856 | Common | SOLE |
| 58933Y105 | MRK | MERCK & CO INC | $903,137 | 0.04% | 7,508 | Common | SOLE |
| 882508104 | TXN | TEXAS INSTRS INC | $899,839 | 0.04% | 4,635 | Common | SOLE |
| 78463X889 | SPDW | SPDR INDEX SHS FDS | $821,700 | 0.04% | 18,000 | Common | SOLE |
| G87052109 | TEL | TE CONNECTIVITY PLC | $780,272 | 0.03% | 3,733 | Common | SOLE |
| 04010L103 | ARCC | ARES CAPITAL CORP | $774,860 | 0.03% | 43,000 | Common | SOLE |
| 459200101 | IBM | INTERNATIONAL BUSINESS MACHS | $769,346 | 0.03% | 3,174 | Common | SOLE |
| 084670702 | BRK/B | BERKSHIRE HATHAWAY INC DEL | $690,048 | 0.03% | 1,440 | Common | SOLE |
| 002824100 | ABT | ABBOTT LABORATORIES | $625,774 | 0.03% | 6,095 | Common | SOLE |
| 464287473 | IWS | ISHARES TR | $619,244 | 0.03% | 4,249 | Common | SOLE |
| 580135101 | MCD | MCDONALDS CORP | $616,918 | 0.03% | 1,985 | Common | SOLE |
| 922042742 | VT | VANGUARD INTL EQUITY INDEX FDS | $596,989 | 0.03% | 4,316 | Common | SOLE |
| 293792107 | EPD | ENTERPRISE PRODS PARTNERS L P | $577,060 | 0.03% | 15,250 | Common | SOLE |
| 883556102 | TMO | THERMO FISHER SCIENTIFIC INC | $557,395 | 0.02% | 1,134 | Common | SOLE |
| 20825C104 | COP | CONOCOPHILLIPS | $484,572 | 0.02% | 3,671 | Common | SOLE |
| 452308109 | ITW | ILLINOIS TOOL WKS INC | $414,121 | 0.02% | 1,591 | Common | SOLE |
| 718546104 | PSX | PHILLIPS 66 | $406,808 | 0.02% | 2,233 | Common | SOLE |
| 518439104 | EL | LAUDER ESTEE COS INC | $402,271 | 0.02% | 5,605 | Common | SOLE |
| 78351F107 | RYAN | RYAN SPECIALTY HOLDINGS INC | $337,400 | 0.02% | 10,000 | Common | SOLE |
| 904767803 | UL | UNILEVER PLC | $329,116 | 0.01% | 5,777 | Common | SOLE |
| 464288257 | ACWI | ISHARES TR | $300,955 | 0.01% | 2,175 | Common | SOLE |
| 09260D107 | BX | BLACKSTONE INC | $296,214 | 0.01% | 2,576 | Common | SOLE |
| 808524888 | SCHC | SCHWAB STRATEGIC TR | $280,440 | 0.01% | 6,000 | Common | SOLE |
| 22160K105 | COST | COSTCO WHOLESALE CORPORATION | $279,997 | 0.01% | 281 | Common | SOLE |
| 38173M102 | GBDC | GOLUB CAP BDC INC | $278,520 | 0.01% | 22,000 | Common | SOLE |
| 438516106 | HON | HONEYWELL INTL INC | $260,387 | 0.01% | 1,152 | Common | SOLE |
| 49177J102 | KVUE | KENVUE INC | $253,169 | 0.01% | 14,685 | Common | SOLE |
| 717081103 | PFE | PFIZER INC | $248,761 | 0.01% | 8,859 | Common | SOLE |
| 69351T106 | PPL | PPL CORP | $219,306 | 0.01% | 5,741 | Common | SOLE |
| 670346105 | NUE | NUCOR CORP | $218,308 | 0.01% | 1,291 | Common | SOLE |
| 83422N105 | SLDP | SOLID POWER INC | $59,250 | 0.00% | 19,750 | Common | SOLE |
Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.