Port Capital LLC

In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 14, 2024), Port Capital LLC reported 87 stock positions worth $2.2 billion. Its top holding was Heico Class A (HEI.A) at 8.8% of the portfolio, followed by Rli (RLI, 5.3%) and RBC Bearings (RBC, 5.2%). Compared with Q2 2024, it opened 3 new positions, sold out of 1, added to 35 and reduced 35. The biggest buy was a new position in Ul Solutions Class A (ULS) and the biggest sale Copart (CPRT, shares −6%).

Most Recent 13F
Q2 2026
Location
CHICAGO, IL
CIK
0001729212
Portfolio Value
$2.2B (Q3 2024)
SEC Filing
0001104659-24-118811 ↗ filed Nov 14, 2024

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 $2.2B Q3 2024 Q4 2024: $2.2B Q4 2024 Q1 2025: $2.2B Q1 2025 Q2 2025: $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 87 stocks · $2.2B
HEI.A Heico Corp. Class A 8.78% 961,886 $196.0M Add +0.3%
RLI Rli Corp. 5.28% 759,988 $117.8M Add +0.4%
RBC RBC Bearings Inc. 5.17% 385,101 $115.3M Add +0.9%
APH Amphenol Corp. Class A 4.01% 1,372,480 $89.4M Add +0.3%
TDY Teledyne Technologies Inc. 3.93% 200,538 $87.8M Add +0.3%
PGR Progressive Corp. 3.93% 345,599 $87.7M Reduce -5.7%
CPRT Copart Inc. 3.93% 1,671,607 $87.6M Reduce -6.0%
LIN Linde PLC 3.70% 173,289 $82.6M Add +1.1%
ORLY O'reilly Automotive Inc. 3.66% 70,891 $81.6M Add +1.7%
AME Ametek Inc. 3.62% 470,370 $80.8M Add +1.4%
ACGL Arch Capital Group Ltd. 3.24% 646,143 $72.3M Add +0.7%
SSD Simpson Manufacturing Co. Inc. 3.17% 369,255 $70.6M Add +0.3%
GGG Graco Inc. 3.07% 783,483 $68.6M Add +0.3%
FISV Fiserv Inc. 2.81% 348,951 $62.7M Add +0.6%
ICE Intercontinental Exchange Inc. 2.73% 379,576 $61.0M Add +0.8%
CP Canadian Pacific Kansas City 2.73% 710,504 $60.8M Add +1.1%
CACI Caci International Inc. Class A 2.46% 108,686 $54.8M Add +0.3%
MA Mastercard Inc. Class A 2.42% 109,189 $53.9M Add +0.7%
SPXC SPX Technologies Inc. 2.29% 319,884 $51.0M Add +0.3%
KNSL Kinsale Capital Group Inc. 2.21% 105,813 $49.3M Add +0.3%
WTS Watts Water Technologies-A 2.13% 228,918 $47.4M Add +6.5%
ONTO Onto Innovation Inc. 1.99% 214,171 $44.5M Reduce -11.9%
PH Parker Hannifin Corp. 1.88% 66,484 $42.0M Add +2.3%
UNH Unitedhealth Group Inc. 1.88% 71,618 $41.9M Add +1.6%
IEX Idex Corp. 1.83% 190,651 $40.9M Add +0.3%
WINA Winmark Corp. 1.83% 106,595 $40.8M Reduce -5.1%
ROP Roper Technologies Inc. 1.82% 73,013 $40.6M Add +1.8%
PB Prosperity Bancshares Inc. 1.69% 523,243 $37.7M Add +0.3%
SHW The Sherwin-Williams Co. 1.45% 85,042 $32.5M Add +14.6%
V Visa Inc. Class A 1.39% 112,806 $31.0M Add +1.8%
GBCI Glacier Bancorp Inc. 1.35% 659,913 $30.2M Add +0.3%
ULS Ul Solutions Inc. Class A 1.15% 520,785 $25.7M New
BRO Brown & Brown Inc. 1.10% 237,909 $24.6M Add +2.8%
SIGI Selective Insurance Group 0.98% 233,979 $21.8M Reduce -26.2%
RSP Invesco S&P 500 Equal Weight 0.82% 101,565 $18.2M Add +12.7%
AAPL Apple Inc. 0.56% 53,307 $12.4M Reduce -5.3%
ADP Automatic Data Processing 0.50% 40,623 $11.2M New
CL Colgate-Palmolive Co. 0.32% 68,429 $7.1M Reduce -17.7%
SPY SS SPDR S&P 500 ETF Trust-US 0.31% 12,169 $7.0M Reduce -0.4%
MSFT Microsoft Corp. 0.28% 14,262 $6.1M Reduce -0.3%
GOOG Alphabet Inc. Class C 0.13% 17,226 $2.9M Add +0.2%
SCHF Schwab Intl Equity ETF 0.13% 69,600 $2.9M No change
CSW CSW Industrials Inc. 0.11% 6,800 $2.5M Reduce -12.8%
GOOGL Alphabet Inc. Class A 0.07% 9,575 $1.6M Reduce -1.0%
AMZN Amazon.com Inc. 0.07% 8,084 $1.5M Reduce -2.1%
TXN Texas Instruments Inc. 0.06% 6,696 $1.4M Reduce -0.2%
IJR iShares Core S&P Small-Cap E 0.05% 9,596 $1.1M Reduce -6.4%
JPM JPMorgan Chase & Co. 0.05% 5,099 $1.1M Reduce -5.5%
IAU iShares Gold Trust 0.05% 21,350 $1.1M No change
VTI VG Morningstar TS MKT ETF-US 0.04% 3,486 $987K No change
MRK Merck & Co. Inc. 0.04% 8,276 $940K Reduce -2.5%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.04% 4,114 $910K Reduce -1.1%
ARCC Ares Capital Corp. 0.04% 43,000 $900K No change
TEL Te Connectivity PLC 0.04% 5,814 $878K Add +0.2%
TMO Thermo Fisher Scientific Inc. 0.04% 1,363 $843K Reduce -12.8%
PBR.A Petroleo Brasil-SP Pref ADR 0.04% 63,467 $837K No change
JNJ Johnson & Johnson 0.04% 5,102 $827K Reduce -4.4%
IWS iShares Russell Mid-Cap Valu 0.04% 6,215 $822K Add +0.4%
ABT Abbott Laboratories 0.04% 6,860 $782K Reduce -0.4%
BRK.B Berkshire Hathaway Inc. Class B 0.03% 1,591 $732K Reduce -0.6%
MAR Marriott International Class A 0.03% 2,926 $727K New
SPDW Ste STR SPDR PT DW Eu ETF 0.03% 18,000 $676K No change
RYAN Ryan Specialty Holdings Inc. 0.03% 10,000 $664K No change
MCD McDonald's Corp. 0.03% 2,142 $652K Reduce -0.6%
EL Estee Lauder Companies Class A filed as LAUDER ESTEE COS INC 0.03% 5,969 $595K Reduce -4.3%
NTRS Northern Trust Corp. 0.02% 5,969 $537K Reduce -0.1%
VT Vanguard Tot World STK ETF 0.02% 4,316 $517K No change
COST Costco Wholesale Corp. 0.02% 529 $469K Reduce -10.0%
EPD Enterprise Products Partners 0.02% 15,250 $444K No change
ITW Illinois Tool Works 0.02% 1,637 $429K Add +0.2%
COP Conocophillips 0.02% 4,061 $428K Reduce -2.1%
UL Unilever PLC 0.02% 6,500 $422K No change
BX Blackstone Inc. 0.02% 2,448 $375K Reduce -2.0%
HON Honeywell International Inc. 0.02% 1,794 $371K Add +0.5%
KVUE Kenvue Inc. 0.02% 14,843 $343K Reduce -1.5%
GBDC Golub Capital BDC Inc. 0.01% 22,000 $332K No change
META Meta Platforms Inc. Class A 0.01% 554 $317K Add +0.9%
PSX Phillips 66 0.01% 2,359 $310K Reduce -1.7%
TW Tradeweb Markets Inc. Class A 0.01% 2,220 $275K Reduce -8.3%
CMCSA Comcast Corp. Class A 0.01% 6,346 $265K Reduce -0.1%
AXP American Express Co. 0.01% 945 $256K Reduce -0.5%
PEP Pepsico Inc. 0.01% 1,438 $245K Reduce -1.4%
ACWI iShares MSCI Acwi ETF 0.01% 2,000 $239K No change
PFE Pfizer Inc. 0.01% 7,958 $230K Reduce -15.2%
AON Aon PLC Class A 0.01% 634 $219K Reduce -29.6%
ATEC Alphatec Holdings Inc. 0.00% 13,000 $72K No change
SLDP Solid Power Inc. 0.00% 19,750 $27K No change

Portfolio Sells Q2 2024 → Q3 2024
CPRT Copart Inc. Reduce -6.0% 3.93% −0.90
ONTO Onto Innovation Inc. Reduce -11.9% 1.99% −0.68
SIGI Selective Insurance Group Reduce -26.2% 0.98% −0.51
WINA Winmark Corp. Reduce -5.1% 1.83% −0.15
CL Colgate-Palmolive Co. Reduce -17.7% 0.32% −0.09
MSFT Microsoft Corp. Reduce -0.3% 0.28% −0.05
AAPL Apple Inc. Reduce -5.3% 0.56% −0.04
SPY SS SPDR S&P 500 ETF Trust-US Reduce -0.4% 0.31% −0.02
GOOGL Alphabet Inc. Class A Reduce -1.0% 0.07% −0.02
VV Vngrd Mrgstr LRG-Cap ETF-Usd Sold out 0.00% −0.01
AMZN Amazon.com Inc. Reduce -2.1% 0.07% −0.01
MRK Merck & Co. Inc. Reduce -2.5% 0.04% −0.01
EL Estee Lauder Companies Class A Reduce -4.3% 0.03% −0.01
JPM JPMorgan Chase & Co. Reduce -5.5% 0.05% −0.01
TMO Thermo Fisher Scientific Inc. Reduce -12.8% 0.04% −0.01
COP Conocophillips Reduce -2.1% 0.02% −0.00
IJR iShares Core S&P Small-Cap E Reduce -6.4% 0.05% −0.00
COST Costco Wholesale Corp. Reduce -10.0% 0.02% −0.00
AON Aon PLC Class A Reduce -29.6% 0.01% −0.00
TXN Texas Instruments Inc. Reduce -0.2% 0.06% −0.00
PSX Phillips 66 Reduce -1.7% 0.01% −0.00
PFE Pfizer Inc. Reduce -15.2% 0.01% −0.00
JNJ Johnson & Johnson Reduce -4.4% 0.04% −0.00
NTRS Northern Trust Corp. Reduce -0.1% 0.02% −0.00
PEP Pepsico Inc. Reduce -1.4% 0.01% −0.00
ABT Abbott Laboratories Reduce -0.4% 0.04% −0.00
CMCSA Comcast Corp. Class A Reduce -0.1% 0.01% −0.00
TW Tradeweb Markets Inc. Class A Reduce -8.3% 0.01% −0.00
BRK.B Berkshire Hathaway Inc. Class B Reduce -0.6% 0.03% +0.00
AXP American Express Co. Reduce -0.5% 0.01% +0.00
BX Blackstone Inc. Reduce -2.0% 0.02% +0.00
KVUE Kenvue Inc. Reduce -1.5% 0.02% +0.00
MCD McDonald's Corp. Reduce -0.6% 0.03% +0.00
IBM Intl Business Machines Corp. Reduce -1.1% 0.04% +0.00
CSW CSW Industrials Inc. Reduce -12.8% 0.11% +0.01
PGR Progressive Corp. Reduce -5.7% 3.93% +0.12

Portfolio Buys Q2 2024 → Q3 2024
ULS Ul Solutions Inc. Class A New 1.15% +1.15
ADP Automatic Data Processing New 0.50% +0.50
SHW The Sherwin-Williams Co. Add +14.6% 1.45% +0.34
HEI.A Heico Corp. Class A Add +0.3% 8.78% +0.26
PH Parker Hannifin Corp. Add +2.3% 1.88% +0.24
FISV Fiserv Inc. Add +0.6% 2.81% +0.22
KNSL Kinsale Capital Group Inc. Add +0.3% 2.21% +0.17
WTS Watts Water Technologies-A Add +6.5% 2.13% +0.15
ICE Intercontinental Exchange Inc. Add +0.8% 2.73% +0.15
CACI Caci International Inc. Class A Add +0.3% 2.46% +0.12
GBCI Glacier Bancorp Inc. Add +0.3% 1.35% +0.12
PB Prosperity Bancshares Inc. Add +0.3% 1.69% +0.09
UNH Unitedhealth Group Inc. Add +1.6% 1.88% +0.08
RSP Invesco S&P 500 Equal Weight Add +12.7% 0.82% +0.07
BRO Brown & Brown Inc. Add +2.8% 1.10% +0.07
SSD Simpson Manufacturing Co. Inc. Add +0.3% 3.17% +0.06
TDY Teledyne Technologies Inc. Add +0.3% 3.93% +0.05
MAR Marriott International Class A New 0.03% +0.03
MA Mastercard Inc. Class A Add +0.7% 2.42% +0.02
SPXC SPX Technologies Inc. Add +0.3% 2.29% +0.01
RBC RBC Bearings Inc. Add +0.9% 5.17% +0.01
META Meta Platforms Inc. Class A Add +0.9% 0.01% +0.00
ITW Illinois Tool Works Add +0.2% 0.02% −0.00
IWS iShares Russell Mid-Cap Valu Add +0.4% 0.04% −0.00
HON Honeywell International Inc. Add +0.5% 0.02% −0.00
ACGL Arch Capital Group Ltd. Add +0.7% 3.24% −0.00
TEL Te Connectivity PLC Add +0.2% 0.04% −0.00
GOOG Alphabet Inc. Class C Add +0.2% 0.13% −0.03
ORLY O'reilly Automotive Inc. Add +1.7% 3.66% −0.03
GGG Graco Inc. Add +0.3% 3.07% −0.03
CP Canadian Pacific Kansas City Add +1.1% 2.73% −0.05
RLI Rli Corp. Add +0.4% 5.28% −0.06
LIN Linde PLC Add +1.1% 3.70% −0.07
V Visa Inc. Class A Add +1.8% 1.39% −0.07
IEX Idex Corp. Add +0.3% 1.83% −0.08
ROP Roper Technologies Inc. Add +1.8% 1.82% −0.20
AME Ametek Inc. Add +1.4% 3.62% −0.25
APH Amphenol Corp. Class A Add +0.3% 4.01% −0.61

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