Port Capital LLC 13F holdings, Q3 2025
Holdings as of September 30, 2025 · filings on SEC EDGAR · latest filing →
Port Capital LLC disclosed 84 US equity positions worth $2.4bn in its Q3 2025 13F filing. The largest position was HEI/A at 9.1% of the reported book, followed by RBC and APH. Against the Q2 2025 filing, it opened 3 new positions, added to 14 and reduced 15 among the top 50 holdings.
What did Port Capital LLC own in Q3 2025? Top 50 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q2 2025 |
|---|---|---|---|---|---|---|---|
| 1 | HEI/A HEICO CORP NEW | 9.1% | $217.6m | 856,191 | 1% | added | |
| 2 | RBC RBC BEARINGS INC | Industrials | 6.0% | $143.6m | 367,848 | 1% | added |
| 3 | APH AMPHENOL CORP NEW | Technology | 5.6% | $133.5m | 1,078,749 | -8% | reduced |
| 4 | TDY TELEDYNE TECHNOLOGIES INC | Technology | 4.7% | $113.9m | 194,309 | 1% | added |
| 5 | ORLY OREILLY AUTOMOTIVE INC | Consumer Cyclical | 4.4% | $104.9m | 972,592 | 0% | held |
| 6 | RLI RLI CORP | Financial Services | 4.2% | $100.3m | 1,538,043 | -0% | held |
| 7 | SPXC SPX TECHNOLOGIES INC | Industrials | 3.6% | $85.8m | 459,209 | 1% | added |
| 8 | PGR PROGRESSIVE CORP | Financial Services | 3.6% | $85.4m | 345,935 | -0% | held |
| 9 | AME AMETEK INC | Industrials | 3.5% | $85.1m | 452,594 | -5% | reduced |
| 10 | LIN LINDE PLC | Basic Materials | 3.5% | $83.6m | 176,019 | 0% | held |
| 11 | GGG GRACO INC | Industrials | 3.0% | $73.2m | 861,083 | 1% | added |
| 12 | WTS WATTS WATER TECHNOLOGIES INC | Industrials | 2.9% | $70.2m | 251,206 | 1% | added |
| 13 | SSD SIMPSON MFG INC | Basic Materials | 2.8% | $68.0m | 406,210 | 1% | added |
| 14 | CPRT COPART INC | Industrials | 2.7% | $64.3m | 1,430,014 | 1% | added |
| 15 | ICE INTERCONTINENTAL EXCHANGE INC | Financial Services | 2.7% | $64.0m | 379,956 | 0% | held |
| 16 | PH PARKER-HANNIFIN CORP | Industrials | 2.6% | $63.0m | 83,126 | 0% | held |
| 17 | MA MASTERCARD INCORPORATED | Financial Services | 2.6% | $62.9m | 110,579 | 0% | held |
| 18 | CACI CACI INTL INC | Technology | 2.5% | $59.2m | 118,661 | 1% | added |
| 19 | ARCH CAP GROUP LTD | 2.5% | $59.0m | 650,272 | -0% | held | |
| 20 | WINA WINMARK CORP | Consumer Cyclical | 2.0% | $48.8m | 98,118 | -9% | reduced |
| 21 | KNSL KINSALE CAP GROUP INC | Financial Services | 1.9% | $46.6m | 109,693 | 1% | added |
| 22 | ULS UL SOLUTIONS INC | Industrials | 1.8% | $44.3m | 625,325 | 1% | added |
| 23 | FISV FISERV INC | 1.8% | $43.5m | 337,120 | 0% | held | |
| 24 | CP CANADIAN PACIFIC KANSAS CITY | Industrials | 1.6% | $39.4m | 528,799 | 0% | held |
| 25 | V VISA INC | Financial Services | 1.6% | $38.4m | 112,492 | 0% | held |
| 26 | SHW SHERWIN WILLIAMS CO | Basic Materials | 1.5% | $37.0m | 106,868 | 0% | held |
| 27 | PB PROSPERITY BANCSHARES INC | Financial Services | 1.5% | $36.7m | 553,083 | 1% | added |
| 28 | ADP AUTOMATIC DATA PROCESSING INC | Technology | 1.5% | $36.4m | 123,979 | 0% | held |
| 29 | GBCI GLACIER BANCORP INC NEW | Financial Services | 1.4% | $34.0m | 699,148 | 1% | added |
| 30 | BRO BROWN & BROWN INC | Financial Services | 1.3% | $32.2m | 343,450 | 0% | held |
| 31 | ROP ROPER TECHNOLOGIES INC | Technology | 1.3% | $32.1m | 64,329 | -14% | reduced |
| 32 | UNH UNITEDHEALTH GROUP INC | Healthcare | 1.2% | $28.5m | 82,659 | -3% | reduced |
| 33 | SPGI S&P GLOBAL INC | Financial Services | 1.0% | $23.3m | 47,910 | – | new |
| 34 | ORI OLD REP INTL CORP | Financial Services | 0.9% | $20.6m | 485,805 | – | new |
| 35 | ATMU ATMUS FILTRATION TECHNOLOGIES | Consumer Cyclical | 0.8% | $19.4m | 430,460 | – | new |
| 36 | IEX IDEX CORP | Industrials | 0.7% | $17.9m | 109,791 | -39% | reduced |
| 37 | RSP INVESCO EXCHANGE TRADED FD TR | 0.7% | $16.8m | 88,630 | 1% | added | |
| 38 | AAPL APPLE INC | Technology | 0.5% | $12.4m | 48,852 | -1% | reduced |
| 39 | SPY SPDR S&P 500 ETF TR | 0.3% | $7.6m | 11,392 | -0% | held | |
| 40 | MSFT MICROSOFT CORP | Technology | 0.2% | $5.8m | 11,228 | -20% | reduced |
| 41 | CL COLGATE PALMOLIVE CO | Consumer Defensive | 0.2% | $5.3m | 66,589 | -2% | reduced |
| 42 | GOOG ALPHABET INC | Communication Services | 0.2% | $4.0m | 16,270 | -2% | reduced |
| 43 | SCHF SCHWAB STRATEGIC TR | 0.1% | $3.3m | 143,017 | 0% | held | |
| 44 | GOOGL ALPHABET INC | Communication Services | 0.1% | $1.9m | 7,864 | -6% | reduced |
| 45 | AMZN AMAZON COM INC | Consumer Cyclical | 0.1% | $1.5m | 7,010 | -5% | reduced |
| 46 | IAU ISHARES GOLD TR | 0.1% | $1.4m | 19,750 | -5% | reduced | |
| 47 | CSW CSW INDUSTRIALS INC | Industrials | 0.1% | $1.4m | 5,900 | 0% | held |
| 48 | IJR ISHARES TR | 0.0% | $1.2m | 9,933 | 0% | held | |
| 49 | VTI VANGUARD INDEX FDS | 0.0% | $1.1m | 3,490 | -3% | reduced | |
| 50 | JPM JPMORGAN CHASE & CO. | Financial Services | 0.0% | $1.1m | 3,627 | -3% | reduced |
Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.