Port Capital LLC

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 14, 2025), Port Capital LLC reported 85 stock positions worth $2.4 billion. Its top holding was Heico Class A (HEI.A) at 9.4% of the portfolio, followed by RBC Bearings (RBC, 6.0%) and Amphenol Class A (APH, 4.9%). Compared with Q1 2025, it sold out of 2, added to 37 and reduced 24. The biggest buy was Heico Class A (HEI.A, shares +1%) and the biggest sale O'reilly Automotive (ORLY, shares −9%).

Most Recent 13F
Q2 2026
Location
CHICAGO, IL
CIK
0001729212
Portfolio Value
$2.4B (Q2 2025)
SEC Filing
0001104659-25-078671 ↗ filed Aug 14, 2025

Holdings Value

0$500.0M$1.0B$1.5B$2.0B$2.5B Q1 2024: $2.0B Q1 2024 Q2 2024: $2.0B Q2 2024 Q3 2024: $2.2B Q3 2024 Q4 2024: $2.2B Q4 2024 Q1 2025: $2.2B Q1 2025 Q2 2025: $2.4B $2.4B Q2 2025 Q3 2025: $2.4B Q3 2025 Q4 2025: $2.3B Q4 2025 Q1 2026: $2.2B Q1 2026 Q2 2026: $2.5B Q2 2026

Holdings 85 stocks · $2.4B
HEI.A Heico Corp. Class A 9.36% 850,987 $220.2M Add +0.9%
RBC RBC Bearings Inc. 5.97% 364,548 $140.3M Add +3.3%
APH Amphenol Corp. Class A 4.92% 1,171,767 $115.7M Reduce -8.3%
RLI Rli Corp. 4.74% 1,543,986 $111.5M Add +0.8%
TDY Teledyne Technologies Inc. 4.18% 192,037 $98.4M Reduce -1.9%
PGR Progressive Corp. 3.93% 346,219 $92.4M Add +1.0%
ORLY O'reilly Automotive Inc. 3.72% 970,240 $87.4M Reduce -9.0%
AME Ametek Inc. 3.67% 476,276 $86.2M Add +1.3%
LIN Linde PLC 3.51% 175,869 $82.5M Add +1.3%
SPXC SPX Technologies Inc. 3.25% 455,611 $76.4M Add +15.2%
GGG Graco Inc. 3.12% 852,433 $73.3M Add +7.2%
ICE Intercontinental Exchange Inc. 2.96% 379,465 $69.6M Add +0.7%
CPRT Copart Inc. 2.95% 1,412,819 $69.3M Add +0.6%
SSD Simpson Manufacturing Co. Inc. 2.66% 402,385 $62.5M Add +6.2%
MA Mastercard Inc. Class A 2.64% 110,388 $62.0M Add +1.1%
WTS Watts Water Technologies-A 2.60% 248,828 $61.2M Add +6.8%
ACGL Arch Capital Group Ltd. 2.52% 651,646 $59.3M Add +1.2%
FISV Fiserv Inc. 2.46% 336,185 $58.0M Add +1.1%
PH Parker Hannifin Corp. 2.46% 82,968 $58.0M Add +24.0%
CACI Caci International Inc. Class A 2.38% 117,436 $56.0M Add +0.8%
KNSL Kinsale Capital Group Inc. 2.23% 108,618 $52.6M Add +0.8%
ULS Ul Solutions Inc. Class A 1.92% 618,975 $45.1M Add +0.7%
ROP Roper Technologies Inc. 1.80% 74,690 $42.3M Add +1.7%
CP Canadian Pacific Kansas City 1.78% 526,783 $41.8M Reduce -14.3%
WINA Winmark Corp. 1.74% 108,161 $40.8M Add +0.7%
V Visa Inc. Class A 1.70% 112,388 $39.9M Add +0.4%
PB Prosperity Bancshares Inc. 1.64% 548,208 $38.5M Add +0.7%
ADP Automatic Data Processing 1.62% 123,626 $38.1M Add +24.1%
BRO Brown & Brown Inc. 1.61% 342,180 $37.9M Add +8.3%
SHW The Sherwin-Williams Co. 1.56% 106,619 $36.6M Add +23.4%
IEX Idex Corp. 1.35% 181,435 $31.9M Add +0.8%
GBCI Glacier Bancorp Inc. 1.27% 692,948 $29.9M Add +0.7%
UNH Unitedhealth Group Inc. 1.13% 85,129 $26.6M Add +18.0%
RSP Invesco S&P 500 Equal Weight 0.68% 87,951 $16.0M Add +0.4%
ONTO Onto Innovation Inc. 0.67% 156,556 $15.8M Reduce -19.3%
SIGI Selective Insurance Group 0.58% 156,178 $13.5M Add +0.8%
AAPL Apple Inc. 0.43% 49,299 $10.1M Reduce -1.1%
SPY SS SPDR S&P 500 ETF Trust-US 0.30% 11,419 $7.1M Reduce -2.3%
MSFT Microsoft Corp. 0.30% 13,992 $7.0M Reduce -0.7%
CL Colgate-Palmolive Co. 0.26% 67,972 $6.2M Reduce -0.7%
SCHF Schwab Intl Equity ETF 0.13% 143,017 $3.2M Add +0.6%
GOOG Alphabet Inc. Class C 0.13% 16,681 $3.0M Reduce -1.3%
CSW CSW Industrials Inc. 0.07% 5,900 $1.7M Reduce -6.3%
AMZN Amazon.com Inc. 0.07% 7,352 $1.6M Reduce -3.0%
GOOGL Alphabet Inc. Class A 0.06% 8,364 $1.5M Reduce -2.5%
IAU iShares Gold Trust 0.06% 20,850 $1.3M Reduce -2.3%
VTI VG Morningstar TS MKT ETF-US 0.05% 3,590 $1.1M Add +3.0%
JPM JPMorgan Chase & Co. 0.05% 3,756 $1.1M Reduce -8.5%
TXN Texas Instruments Inc. 0.05% 5,234 $1.1M No change
IJR iShares Core S&P Small-Cap E 0.05% 9,929 $1.1M Add +0.0%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.04% 3,441 $1.0M Reduce -5.5%
ARCC Ares Capital Corp. 0.04% 43,000 $944K No change
ABT Abbott Laboratories 0.03% 5,900 $802K No change
MAR Marriott International Class A 0.03% 2,907 $794K No change
JNJ Johnson & Johnson 0.03% 5,079 $776K No change
NTRS Northern Trust Corp. 0.03% 5,880 $746K No change
BRK.B Berkshire Hathaway Inc. Class B 0.03% 1,529 $743K Reduce -2.5%
SPDW Ste STR SPDR PT DW Eu ETF 0.03% 18,000 $729K No change
PBR.A Petroleo Brasil-SP Pref ADR 0.03% 62,467 $721K No change
RYAN Ryan Specialty Holdings Inc. 0.03% 10,000 $680K No change
TEL Te Connectivity PLC 0.03% 3,979 $671K Reduce -3.4%
MRK Merck & Co. Inc. 0.03% 7,745 $613K Reduce -7.0%
IWS iShares Russell Mid-Cap Valu 0.03% 4,596 $607K Reduce -8.3%
MCD McDonald's Corp. 0.03% 2,014 $588K Reduce -4.7%
VT Vanguard Tot World STK ETF 0.02% 4,316 $555K No change
EPD Enterprise Products Partners 0.02% 15,250 $473K No change
TMO Thermo Fisher Scientific Inc. 0.02% 1,151 $467K Add +2.7%
EL Estee Lauder Companies Class A filed as LAUDER ESTEE COS INC 0.02% 5,578 $451K No change
UL Unilever PLC 0.02% 6,500 $398K No change
ITW Illinois Tool Works 0.02% 1,578 $390K No change
COST Costco Wholesale Corp. 0.02% 388 $384K Reduce -17.6%
COP Conocophillips 0.02% 4,252 $382K Add +3.6%
BX Blackstone Inc. 0.02% 2,430 $363K No change
META Meta Platforms Inc. Class A 0.01% 458 $338K No change
GBDC Golub Capital BDC Inc. 0.01% 22,000 $322K No change
KVUE Kenvue Inc. 0.01% 14,457 $303K No change
PSX Phillips 66 0.01% 2,518 $300K Add +2.2%
AXP American Express Co. 0.01% 853 $272K No change
HON Honeywell International Inc. 0.01% 1,141 $266K No change
ACWI iShares MSCI Acwi ETF 0.01% 2,000 $257K No change
SCHC Schwab Intl Small-Cap Equity 0.01% 6,000 $256K No change
TW Tradeweb Markets Inc. Class A 0.01% 1,750 $256K Reduce -21.2%
PFE Pfizer Inc. 0.01% 8,877 $215K Reduce -8.3%
AON Aon PLC Class A 0.01% 600 $214K No change
SLDP Solid Power Inc. 0.00% 19,750 $43K No change

Portfolio Sells Q1 2025 → Q2 2025
ORLY O'reilly Automotive Inc. Reduce -9.0% 3.72% −0.90
ONTO Onto Innovation Inc. Reduce -19.3% 0.67% −0.40
TDY Teledyne Technologies Inc. Reduce -1.9% 4.18% −0.24
CP Canadian Pacific Kansas City Reduce -14.3% 1.78% −0.18
AAPL Apple Inc. Reduce -1.1% 0.43% −0.07
CL Colgate-Palmolive Co. Reduce -0.7% 0.26% −0.03
CSW CSW Industrials Inc. Reduce -6.3% 0.07% −0.01
PPL PPL Corp. Sold out 0.00% −0.01
MRK Merck & Co. Inc. Reduce -7.0% 0.03% −0.01
BRK.B Berkshire Hathaway Inc. Class B Reduce -2.5% 0.03% −0.01
ATEC Alphatec Holdings Inc. Sold out 0.00% −0.01
MCD McDonald's Corp. Reduce -4.7% 0.03% −0.00
TW Tradeweb Markets Inc. Class A Reduce -21.2% 0.01% −0.00
COST Costco Wholesale Corp. Reduce -17.6% 0.02% −0.00
IWS iShares Russell Mid-Cap Valu Reduce -8.3% 0.03% −0.00
PFE Pfizer Inc. Reduce -8.3% 0.01% −0.00
IAU iShares Gold Trust Reduce -2.3% 0.06% −0.00
JPM JPMorgan Chase & Co. Reduce -8.5% 0.05% +0.00
IBM Intl Business Machines Corp. Reduce -5.5% 0.04% +0.00
TEL Te Connectivity PLC Reduce -3.4% 0.03% +0.00
GOOGL Alphabet Inc. Class A Reduce -2.5% 0.06% +0.00
AMZN Amazon.com Inc. Reduce -3.0% 0.07% +0.00
SPY SS SPDR S&P 500 ETF Trust-US Reduce -2.3% 0.30% +0.00
GOOG Alphabet Inc. Class C Reduce -1.3% 0.13% +0.01
MSFT Microsoft Corp. Reduce -0.7% 0.30% +0.06
APH Amphenol Corp. Class A Reduce -8.3% 4.92% +1.12

Portfolio Buys Q1 2025 → Q2 2025
HEI.A Heico Corp. Class A Add +0.9% 9.36% +1.29
SPXC SPX Technologies Inc. Add +15.2% 3.25% +0.94
RBC RBC Bearings Inc. Add +3.3% 5.97% +0.82
PH Parker Hannifin Corp. Add +24.0% 2.46% +0.62
WTS Watts Water Technologies-A Add +6.8% 2.60% +0.45
CACI Caci International Inc. Class A Add +0.8% 2.38% +0.44
ULS Ul Solutions Inc. Class A Add +0.7% 1.92% +0.35
ADP Automatic Data Processing Add +24.1% 1.62% +0.24
WINA Winmark Corp. Add +0.7% 1.74% +0.19
SHW The Sherwin-Williams Co. Add +23.4% 1.56% +0.19
GGG Graco Inc. Add +7.2% 3.12% +0.11
ICE Intercontinental Exchange Inc. Add +0.7% 2.96% +0.01
SCHF Schwab Intl Equity ETF Add +0.6% 0.13% +0.01
VTI VG Morningstar TS MKT ETF-US Add +3.0% 0.05% +0.00
IJR iShares Core S&P Small-Cap E Add +0.0% 0.05% −0.00
PSX Phillips 66 Add +2.2% 0.01% −0.00
COP Conocophillips Add +3.6% 0.02% −0.00
TMO Thermo Fisher Scientific Inc. Add +2.7% 0.02% −0.01
AME Ametek Inc. Add +1.3% 3.67% −0.01
RSP Invesco S&P 500 Equal Weight Add +0.4% 0.68% −0.01
SSD Simpson Manufacturing Co. Inc. Add +6.2% 2.66% −0.04
SIGI Selective Insurance Group Add +0.8% 0.58% −0.07
MA Mastercard Inc. Class A Add +1.1% 2.64% −0.08
V Visa Inc. Class A Add +0.4% 1.70% −0.08
GBCI Glacier Bancorp Inc. Add +0.7% 1.27% −0.11
IEX Idex Corp. Add +0.8% 1.35% −0.12
PB Prosperity Bancshares Inc. Add +0.7% 1.64% −0.12
KNSL Kinsale Capital Group Inc. Add +0.8% 2.23% −0.14
LIN Linde PLC Add +1.3% 3.51% −0.16
ROP Roper Technologies Inc. Add +1.7% 1.80% −0.16
BRO Brown & Brown Inc. Add +8.3% 1.61% −0.17
ACGL Arch Capital Group Ltd. Add +1.2% 2.52% −0.29
PGR Progressive Corp. Add +1.0% 3.93% −0.47
UNH Unitedhealth Group Inc. Add +18.0% 1.13% −0.58
CPRT Copart Inc. Add +0.6% 2.95% −0.66
RLI Rli Corp. Add +0.8% 4.74% −0.84
FISV Fiserv Inc. Add +1.1% 2.46% −0.86

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 108$2.5BHEI.A, RBC, TDY, APH, SPXC
Q1 2026 82$2.2BRBC, HEI.A, TDY, APH, AME
Q4 2025 82$2.3BHEI.A, RBC, APH, TDY, AME
Q3 2025 84$2.4BHEI.A, RBC, APH, TDY, ORLY
Q2 2025 85$2.4BHEI.A, RBC, APH, RLI, TDY
Q1 2025 87$2.2BHEI.A, RLI, RBC, ORLY, TDY
Q4 2024 88$2.2BHEI.A, RLI, RBC, APH, TDY
Q3 2024 87$2.2BHEI.A, RLI, RBC, APH, TDY
Q2 2024 85$2.0BHEI.A, RLI, RBC, CPRT, APH
Q1 2024 87$2.0BHEI.A, RLI, CPRT, RBC, TDY