Port Capital LLC

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 14, 2025), Port Capital LLC reported 88 stock positions worth $2.2 billion. Its top holding was Heico Class A (HEI.A) at 7.5% of the portfolio, followed by Rli (RLI, 5.8%) and RBC Bearings (RBC, 5.2%). Compared with Q3 2024, it opened 1 new position, added to 47 and reduced 26. The biggest buy was a new position in Donnelley Financial Solution (DFIN) and the biggest sale Heico Class A (HEI.A, shares −8%).

Most Recent 13F
Q2 2026
Location
CHICAGO, IL
CIK
0001729212
Portfolio Value
$2.2B (Q4 2024)
SEC Filing
0001104659-25-014092 ↗ filed Feb 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 $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 88 stocks · $2.2B
HEI.A Heico Corp. Class A 7.53% 886,817 $165.0M Reduce -7.8%
RLI Rli Corp. 5.77% 766,668 $126.4M Add +0.9%
RBC RBC Bearings Inc. 5.18% 379,618 $113.6M Reduce -1.4%
APH Amphenol Corp. Class A 4.37% 1,378,777 $95.8M Add +0.5%
TDY Teledyne Technologies Inc. 4.30% 203,123 $94.3M Add +1.3%
AME Ametek Inc. 3.90% 473,975 $85.4M Add +0.8%
ORLY O'reilly Automotive Inc. 3.87% 71,557 $84.9M Add +0.9%
CPRT Copart Inc. 3.85% 1,469,278 $84.3M Reduce -12.1%
PGR Progressive Corp. 3.81% 348,271 $83.4M Add +0.8%
LIN Linde PLC 3.34% 174,716 $73.1M Add +0.8%
FISV Fiserv Inc. 3.15% 336,427 $69.1M Reduce -3.6%
GGG Graco Inc. 3.05% 791,733 $66.7M Add +1.1%
SSD Simpson Manufacturing Co. Inc. 2.84% 375,880 $62.3M Add +1.8%
ACGL Arch Capital Group Ltd. 2.74% 649,640 $60.0M Add +0.5%
MA Mastercard Inc. Class A 2.64% 110,049 $57.9M Add +0.8%
ICE Intercontinental Exchange Inc. 2.60% 382,087 $56.9M Add +0.7%
SPXC SPX Technologies Inc. 2.49% 374,251 $54.5M Add +17.0%
CP Canadian Pacific Kansas City 2.35% 711,428 $51.5M Add +0.1%
KNSL Kinsale Capital Group Inc. 2.27% 106,888 $49.7M Add +1.0%
WTS Watts Water Technologies-A 2.15% 231,193 $47.0M Add +1.0%
CACI Caci International Inc. Class A 2.02% 109,786 $44.4M Add +1.0%
PH Parker Hannifin Corp. 1.95% 67,103 $42.7M Add +0.9%
WINA Winmark Corp. 1.90% 105,916 $41.6M Reduce -0.6%
IEX Idex Corp. 1.85% 194,140 $40.6M Add +1.8%
PB Prosperity Bancshares Inc. 1.85% 539,093 $40.6M Add +3.0%
ROP Roper Technologies Inc. 1.74% 73,445 $38.2M Add +0.6%
UNH Unitedhealth Group Inc. 1.68% 72,792 $36.8M Add +1.6%
ONTO Onto Innovation Inc. 1.65% 216,646 $36.1M Add +1.2%
V Visa Inc. Class A 1.63% 113,310 $35.8M Add +0.5%
GBCI Glacier Bancorp Inc. 1.56% 680,613 $34.2M Add +3.1%
SHW The Sherwin-Williams Co. 1.33% 85,880 $29.2M Add +1.0%
ULS Ul Solutions Inc. Class A 1.22% 537,060 $26.8M Add +3.1%
BRO Brown & Brown Inc. 1.12% 240,332 $24.5M Add +1.0%
DFIN Donnelley Financial Solution 1.05% 368,471 $23.1M New
ADP Automatic Data Processing 0.73% 54,886 $16.1M Add +35.1%
RSP Invesco S&P 500 Equal Weight 0.71% 88,725 $15.5M Reduce -12.6%
SIGI Selective Insurance Group 0.65% 153,299 $14.3M Reduce -34.5%
AAPL Apple Inc. 0.60% 52,913 $13.3M Reduce -0.7%
SPY SS SPDR S&P 500 ETF Trust-US 0.33% 12,439 $7.3M Add +2.2%
CL Colgate-Palmolive Co. 0.28% 68,525 $6.2M Add +0.1%
MSFT Microsoft Corp. 0.27% 14,267 $6.0M Add +0.0%
GOOG Alphabet Inc. Class C 0.15% 17,120 $3.3M Reduce -0.6%
SCHF Schwab Intl Equity ETF 0.12% 142,137 $2.6M Add +2.1%
CSW CSW Industrials Inc. 0.11% 6,800 $2.4M No change
AMZN Amazon.com Inc. 0.08% 7,940 $1.7M Reduce -1.8%
GOOGL Alphabet Inc. Class A 0.08% 8,999 $1.7M Reduce -6.0%
TXN Texas Instruments Inc. 0.06% 6,710 $1.3M Add +0.2%
JPM JPMorgan Chase & Co. 0.05% 4,981 $1.2M Reduce -2.3%
IJR iShares Core S&P Small-Cap E 0.05% 9,612 $1.1M Add +0.2%
IAU iShares Gold Trust 0.05% 21,350 $1.1M No change
VTI VG Morningstar TS MKT ETF-US 0.05% 3,486 $1.0M No change
ARCC Ares Capital Corp. 0.04% 43,000 $941K No change
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.04% 4,091 $899K Reduce -0.6%
TEL Te Connectivity PLC 0.04% 5,841 $835K Add +0.5%
MRK Merck & Co. Inc. 0.04% 8,311 $827K Add +0.4%
MAR Marriott International Class A 0.04% 2,885 $805K Reduce -1.4%
ABT Abbott Laboratories 0.03% 6,758 $764K Reduce -1.5%
PBR.A Petroleo Brasil-SP Pref ADR 0.03% 63,267 $749K Reduce -0.3%
JNJ Johnson & Johnson 0.03% 5,148 $745K Add +0.9%
IWS iShares Russell Mid-Cap Valu 0.03% 5,681 $735K Reduce -8.6%
BRK.B Berkshire Hathaway Inc. Class B 0.03% 1,594 $723K Add +0.2%
TMO Thermo Fisher Scientific Inc. 0.03% 1,385 $721K Add +1.6%
RYAN Ryan Specialty Holdings Inc. 0.03% 10,000 $642K No change
MCD McDonald's Corp. 0.03% 2,148 $623K Add +0.3%
SPDW Ste STR SPDR PT DW Eu ETF 0.03% 18,000 $614K No change
NTRS Northern Trust Corp. 0.03% 5,866 $601K Reduce -1.7%
VT Vanguard Tot World STK ETF 0.02% 4,316 $507K No change
EL Estee Lauder Companies Class A filed as LAUDER ESTEE COS INC 0.02% 6,594 $494K Add +10.5%
COST Costco Wholesale Corp. 0.02% 527 $483K Reduce -0.4%
EPD Enterprise Products Partners 0.02% 15,250 $478K No change
COP Conocophillips 0.02% 4,150 $412K Add +2.2%
ITW Illinois Tool Works 0.02% 1,626 $412K Reduce -0.7%
BX Blackstone Inc. 0.02% 2,347 $405K Reduce -4.1%
HON Honeywell International Inc. 0.02% 1,777 $401K Reduce -0.9%
UL Unilever PLC 0.02% 6,500 $369K No change
GBDC Golub Capital BDC Inc. 0.02% 22,000 $334K No change
KVUE Kenvue Inc. 0.01% 14,719 $314K Reduce -0.8%
META Meta Platforms Inc. Class A 0.01% 535 $313K Reduce -3.4%
TW Tradeweb Markets Inc. Class A 0.01% 2,220 $291K No change
PSX Phillips 66 0.01% 2,481 $283K Add +5.2%
AXP American Express Co. 0.01% 917 $272K Reduce -3.0%
PFE Pfizer Inc. 0.01% 9,839 $261K Add +23.6%
CMCSA Comcast Corp. Class A 0.01% 6,392 $240K Add +0.7%
ACWI iShares MSCI Acwi ETF 0.01% 2,000 $235K No change
PEP Pepsico Inc. 0.01% 1,518 $231K Add +5.6%
AON Aon PLC Class A 0.01% 619 $222K Reduce -2.4%
ATEC Alphatec Holdings Inc. 0.01% 13,000 $119K No change
SLDP Solid Power Inc. 0.00% 19,750 $37K No change

Portfolio Sells Q3 2024 → Q4 2024
HEI.A Heico Corp. Class A Reduce -7.8% 7.53% −1.25
SIGI Selective Insurance Group Reduce -34.5% 0.65% −0.32
RSP Invesco S&P 500 Equal Weight Reduce -12.6% 0.71% −0.11
CPRT Copart Inc. Reduce -12.1% 3.85% −0.08
IWS iShares Russell Mid-Cap Valu Reduce -8.6% 0.03% −0.00
PBR.A Petroleo Brasil-SP Pref ADR Reduce -0.3% 0.03% −0.00
KVUE Kenvue Inc. Reduce -0.8% 0.01% −0.00
ITW Illinois Tool Works Reduce -0.7% 0.02% −0.00
ABT Abbott Laboratories Reduce -1.5% 0.03% −0.00
META Meta Platforms Inc. Class A Reduce -3.4% 0.01% +0.00
IBM Intl Business Machines Corp. Reduce -0.6% 0.04% +0.00
AON Aon PLC Class A Reduce -2.4% 0.01% +0.00
AXP American Express Co. Reduce -3.0% 0.01% +0.00
COST Costco Wholesale Corp. Reduce -0.4% 0.02% +0.00
BX Blackstone Inc. Reduce -4.1% 0.02% +0.00
HON Honeywell International Inc. Reduce -0.9% 0.02% +0.00
NTRS Northern Trust Corp. Reduce -1.7% 0.03% +0.00
MAR Marriott International Class A Reduce -1.4% 0.04% +0.00
JPM JPMorgan Chase & Co. Reduce -2.3% 0.05% +0.01
GOOGL Alphabet Inc. Class A Reduce -6.0% 0.08% +0.01
AMZN Amazon.com Inc. Reduce -1.8% 0.08% +0.01
RBC RBC Bearings Inc. Reduce -1.4% 5.18% +0.02
GOOG Alphabet Inc. Class C Reduce -0.6% 0.15% +0.02
AAPL Apple Inc. Reduce -0.7% 0.60% +0.05
WINA Winmark Corp. Reduce -0.6% 1.90% +0.07
FISV Fiserv Inc. Reduce -3.6% 3.15% +0.34

Portfolio Buys Q3 2024 → Q4 2024
DFIN Donnelley Financial Solution New 1.05% +1.05
RLI Rli Corp. Add +0.9% 5.77% +0.49
TDY Teledyne Technologies Inc. Add +1.3% 4.30% +0.37
APH Amphenol Corp. Class A Add +0.5% 4.37% +0.36
AME Ametek Inc. Add +0.8% 3.90% +0.28
V Visa Inc. Class A Add +0.5% 1.63% +0.24
ADP Automatic Data Processing Add +35.1% 0.73% +0.23
MA Mastercard Inc. Class A Add +0.8% 2.64% +0.23
ORLY O'reilly Automotive Inc. Add +0.9% 3.87% +0.21
GBCI Glacier Bancorp Inc. Add +3.1% 1.56% +0.21
SPXC SPX Technologies Inc. Add +17.0% 2.49% +0.20
PB Prosperity Bancshares Inc. Add +3.0% 1.85% +0.16
ULS Ul Solutions Inc. Class A Add +3.1% 1.22% +0.07
PH Parker Hannifin Corp. Add +0.9% 1.95% +0.07
KNSL Kinsale Capital Group Inc. Add +1.0% 2.27% +0.06
IEX Idex Corp. Add +1.8% 1.85% +0.02
SPY SS SPDR S&P 500 ETF Trust-US Add +2.2% 0.33% +0.02
WTS Watts Water Technologies-A Add +1.0% 2.15% +0.02
BRO Brown & Brown Inc. Add +1.0% 1.12% +0.01
PFE Pfizer Inc. Add +23.6% 0.01% +0.00
BRK.B Berkshire Hathaway Inc. Class B Add +0.2% 0.03% +0.00
IJR iShares Core S&P Small-Cap E Add +0.2% 0.05% +0.00
COP Conocophillips Add +2.2% 0.02% −0.00
PEP Pepsico Inc. Add +5.6% 0.01% −0.00
MSFT Microsoft Corp. Add +0.0% 0.27% −0.00
MCD McDonald's Corp. Add +0.3% 0.03% −0.00
CMCSA Comcast Corp. Class A Add +0.7% 0.01% −0.00
PSX Phillips 66 Add +5.2% 0.01% −0.00
TEL Te Connectivity PLC Add +0.5% 0.04% −0.00
JNJ Johnson & Johnson Add +0.9% 0.03% −0.00
EL Estee Lauder Companies Class A Add +10.5% 0.02% −0.00
MRK Merck & Co. Inc. Add +0.4% 0.04% −0.00
TXN Texas Instruments Inc. Add +0.2% 0.06% −0.00
TMO Thermo Fisher Scientific Inc. Add +1.6% 0.03% −0.00
SCHF Schwab Intl Equity ETF Add +2.1% 0.12% −0.01
GGG Graco Inc. Add +1.1% 3.05% −0.03
CL Colgate-Palmolive Co. Add +0.1% 0.28% −0.03
ROP Roper Technologies Inc. Add +0.6% 1.74% −0.08
PGR Progressive Corp. Add +0.8% 3.81% −0.12
SHW The Sherwin-Williams Co. Add +1.0% 1.33% −0.12
ICE Intercontinental Exchange Inc. Add +0.7% 2.60% −0.13
UNH Unitedhealth Group Inc. Add +1.6% 1.68% −0.20
SSD Simpson Manufacturing Co. Inc. Add +1.8% 2.84% −0.32
ONTO Onto Innovation Inc. Add +1.2% 1.65% −0.34
LIN Linde PLC Add +0.8% 3.34% −0.37
CP Canadian Pacific Kansas City Add +0.1% 2.35% −0.38
CACI Caci International Inc. Class A Add +1.0% 2.02% −0.43
ACGL Arch Capital Group Ltd. Add +0.5% 2.74% −0.50

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