Port Capital LLC

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 17, 2026), Port Capital LLC reported 82 stock positions worth $2.3 billion. Its top holding was Heico Class A (HEI.A) at 9.4% of the portfolio, followed by RBC Bearings (RBC, 7.2%) and Amphenol Class A (APH, 5.4%). Compared with Q3 2025, it opened 2 new positions, sold out of 4, added to 29 and reduced 32. The biggest buy was a new position in Eaton (ETN) and the biggest sale an exit from Fiserv (FISV).

Most Recent 13F
Q2 2026
Location
CHICAGO, IL
CIK
0001729212
Portfolio Value
$2.3B (Q4 2025)
SEC Filing
0001104659-26-016441 ↗ filed Feb 17, 2026

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 Q2 2025 Q3 2025: $2.4B Q3 2025 Q4 2025: $2.3B $2.3B Q4 2025 Q1 2026: $2.2B Q1 2026 Q2 2026: $2.5B Q2 2026

Holdings 82 stocks · $2.3B
HEI.A Heico Corp. Class A 9.36% 860,156 $217.1M Add +0.5%
RBC RBC Bearings Inc. 7.15% 369,853 $165.9M Add +0.6%
APH Amphenol Corp. Class A 5.41% 928,678 $125.5M Reduce -13.9%
TDY Teledyne Technologies Inc. 5.21% 236,474 $120.8M Add +21.7%
AME Ametek Inc. 4.00% 451,704 $92.7M Reduce -0.2%
SPXC SPX Technologies Inc. 3.98% 461,624 $92.4M Add +0.5%
RLI Rli Corp. 3.88% 1,405,163 $89.9M Reduce -8.6%
ORLY O'reilly Automotive Inc. 3.84% 975,177 $88.9M Add +0.3%
PH Parker Hannifin Corp. 3.36% 88,750 $78.0M Add +6.8%
LIN Linde PLC 3.25% 176,745 $75.4M Add +0.4%
GGG Graco Inc. 3.07% 867,057 $71.1M Add +0.7%
WTS Watts Water Technologies-A 3.06% 257,271 $71.0M Add +2.4%
SSD Simpson Manufacturing Co. Inc. 2.85% 408,705 $66.0M Add +0.6%
MA Mastercard Inc. Class A 2.73% 110,904 $63.3M Add +0.3%
ICE Intercontinental Exchange Inc. 2.66% 381,331 $61.8M Add +0.4%
PGR Progressive Corp. 2.62% 267,040 $60.8M Reduce -22.8%
CPRT Copart Inc. 2.44% 1,445,358 $56.6M Add +1.1%
ACGL Arch Capital Group Ltd. 2.37% 572,792 $54.9M Reduce -11.9%
CACI Caci International Inc. Class A 2.35% 102,392 $54.6M Reduce -13.7%
ULS Ul Solutions Inc. Class A 1.98% 581,550 $45.9M Reduce -7.0%
ATMU Atmus Filtration Technologie 1.96% 876,720 $45.5M Add +103.7%
V Visa Inc. Class A 1.82% 120,432 $42.2M Add +7.1%
SPGI S&P Global Inc. 1.75% 77,735 $40.6M Add +62.3%
WINA Winmark Corp. 1.71% 98,188 $39.8M Add +0.1%
CP Canadian Pacific Kansas City 1.69% 530,479 $39.1M Add +0.3%
KNSL Kinsale Capital Group Inc. 1.64% 97,508 $38.1M Reduce -11.1%
PB Prosperity Bancshares Inc. 1.52% 510,153 $35.3M Reduce -7.8%
SHW The Sherwin-Williams Co. 1.50% 107,273 $34.8M Add +0.4%
ORI Old Republic Intl Corp. 1.21% 614,804 $28.1M Add +26.6%
ETN Eaton Corp. PLC 1.19% 86,309 $27.5M New
GBCI Glacier Bancorp Inc. 0.99% 520,198 $22.9M Reduce -25.6%
RSP Invesco S&P 500 Equal Weight 0.93% 112,775 $21.6M Add +27.2%
BRO Brown & Brown Inc. 0.93% 269,547 $21.5M Reduce -21.5%
IEX Idex Corp. 0.84% 109,158 $19.4M Reduce -0.6%
ADP Automatic Data Processing 0.83% 74,813 $19.2M Reduce -39.7%
AAPL Apple Inc. 0.57% 48,672 $13.2M Reduce -0.4%
AXP American Express Co. 0.52% 32,755 $12.1M Add +3851.2%
UNH Unitedhealth Group Inc. 0.43% 30,394 $10.0M Reduce -63.2%
SPY SS SPDR S&P 500 ETF Trust-US 0.33% 11,205 $7.6M Reduce -1.6%
MSFT Microsoft Corp. 0.23% 11,245 $5.4M Add +0.1%
CL Colgate-Palmolive Co. 0.23% 66,089 $5.2M Reduce -0.8%
GOOG Alphabet Inc. Class C 0.22% 16,201 $5.1M Reduce -0.4%
SCHF Schwab Intl Equity ETF 0.15% 146,892 $3.5M Add +2.7%
GOOGL Alphabet Inc. Class A 0.11% 7,814 $2.4M Reduce -0.6%
CSW CSW Industrials Inc. 0.07% 5,900 $1.7M No change
AMZN Amazon.com Inc. 0.07% 7,050 $1.6M Add +0.6%
IAU iShares Gold Trust 0.07% 19,250 $1.6M Reduce -2.5%
IJR iShares Core S&P Small-Cap E 0.05% 10,013 $1.2M Add +0.8%
JPM JPMorgan Chase & Co. 0.05% 3,627 $1.2M No change
VTI VG Morningstar TS MKT ETF-US 0.05% 3,186 $1.1M Reduce -8.7%
JNJ Johnson & Johnson 0.04% 5,034 $1.0M Reduce -0.9%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.04% 3,414 $1.0M Reduce -0.8%
MAR Marriott International Class A 0.04% 2,870 $890K Reduce -1.3%
TXN Texas Instruments Inc. 0.04% 5,073 $880K Reduce -3.1%
ARCC Ares Capital Corp. 0.04% 43,000 $870K No change
TEL Te Connectivity PLC 0.04% 3,710 $844K Reduce -5.1%
BRK.B Berkshire Hathaway Inc. Class B 0.04% 1,636 $822K No change
SPDW Ste STR SPDR PT DW Eu ETF 0.03% 18,000 $799K No change
MRK Merck & Co. Inc. 0.03% 7,583 $798K Reduce -2.1%
ABT Abbott Laboratories 0.03% 5,959 $747K Add +1.0%
PBR.A Petroleo Brasil-SP Pref ADR 0.03% 62,467 $704K No change
TMO Thermo Fisher Scientific Inc. 0.03% 1,109 $643K Reduce -2.2%
MCD McDonald's Corp. 0.03% 2,039 $623K No change
IWS iShares Russell Mid-Cap Valu 0.03% 4,325 $610K Reduce -6.2%
VT Vanguard Tot World STK ETF 0.03% 4,316 $609K No change
EL Estee Lauder Companies Class A filed as LAUDER ESTEE COS INC 0.02% 5,351 $560K No change
RYAN Ryan Specialty Holdings Inc. 0.02% 10,000 $516K No change
EPD Enterprise Products Partners 0.02% 15,250 $489K No change
ITW Illinois Tool Works 0.02% 1,578 $389K No change
BX Blackstone Inc. 0.02% 2,453 $378K Add +3.5%
UL Unilever PLC-Sponsored ADR 0.02% 5,777 $378K No change
COP Conocophillips 0.02% 3,880 $363K Reduce -2.4%
COST Costco Wholesale Corp. 0.01% 376 $324K No change
PSX Phillips 66 0.01% 2,466 $318K Reduce -2.1%
META Meta Platforms Inc. Class A 0.01% 457 $302K Add +4.8%
GBDC Golub Capital BDC Inc. 0.01% 22,000 $299K No change
ACWI iShares MSCI Acwi ETF 0.01% 2,000 $283K No change
SCHC Schwab Intl Small-Cap Equity 0.01% 6,000 $273K No change
HON Honeywell International Inc. 0.01% 1,173 $229K No change
NUE Nucor Corp. 0.01% 1,346 $220K New
KVUE Kenvue Inc. 0.01% 11,588 $200K Reduce -27.6%
SLDP Solid Power Inc. 0.00% 19,750 $84K No change

Portfolio Sells Q3 2025 → Q4 2025
FISV Fiserv Inc. Sold out 0.00% −1.81
ROP Roper Technologies Inc. Sold out 0.00% −1.34
PGR Progressive Corp. Reduce -22.8% 2.62% −0.94
UNH Unitedhealth Group Inc. Reduce -63.2% 0.43% −0.76
ADP Automatic Data Processing Reduce -39.7% 0.83% −0.69
GBCI Glacier Bancorp Inc. Reduce -25.6% 0.99% −0.43
BRO Brown & Brown Inc. Reduce -21.5% 0.93% −0.42
RLI Rli Corp. Reduce -8.6% 3.88% −0.30
KNSL Kinsale Capital Group Inc. Reduce -11.1% 1.64% −0.30
APH Amphenol Corp. Class A Reduce -13.9% 5.41% −0.15
CACI Caci International Inc. Class A Reduce -13.7% 2.35% −0.11
ACGL Arch Capital Group Ltd. Reduce -11.9% 2.37% −0.09
PFE Pfizer Inc. Sold out 0.00% −0.01
PB Prosperity Bancshares Inc. Reduce -7.8% 1.52% −0.01
PPL PPL Corp. Sold out 0.00% −0.01
KVUE Kenvue Inc. Reduce -27.6% 0.01% −0.00
TXN Texas Instruments Inc. Reduce -3.1% 0.04% −0.00
VTI VG Morningstar TS MKT ETF-US Reduce -8.7% 0.05% −0.00
IWS iShares Russell Mid-Cap Valu Reduce -6.2% 0.03% −0.00
PSX Phillips 66 Reduce -2.1% 0.01% −0.00
COP Conocophillips Reduce -2.4% 0.02% 0.00
TEL Te Connectivity PLC Reduce -5.1% 0.04% +0.00
IBM Intl Business Machines Corp. Reduce -0.8% 0.04% +0.00
CL Colgate-Palmolive Co. Reduce -0.8% 0.23% +0.00
TMO Thermo Fisher Scientific Inc. Reduce -2.2% 0.03% +0.00
JNJ Johnson & Johnson Reduce -0.9% 0.04% +0.01
MAR Marriott International Class A Reduce -1.3% 0.04% +0.01
MRK Merck & Co. Inc. Reduce -2.1% 0.03% +0.01
IAU iShares Gold Trust Reduce -2.5% 0.07% +0.01
SPY SS SPDR S&P 500 ETF Trust-US Reduce -1.6% 0.33% +0.01
GOOGL Alphabet Inc. Class A Reduce -0.6% 0.11% +0.03
AAPL Apple Inc. Reduce -0.4% 0.57% +0.05
GOOG Alphabet Inc. Class C Reduce -0.4% 0.22% +0.05
IEX Idex Corp. Reduce -0.6% 0.84% +0.09
ULS Ul Solutions Inc. Class A Reduce -7.0% 1.98% +0.13
AME Ametek Inc. Reduce -0.2% 4.00% +0.45

Portfolio Buys Q3 2025 → Q4 2025
ETN Eaton Corp. PLC New 1.19% +1.19
RBC RBC Bearings Inc. Add +0.6% 7.15% +1.17
ATMU Atmus Filtration Technologie Add +103.7% 1.96% +1.15
SPGI S&P Global Inc. Add +62.3% 1.75% +0.78
PH Parker Hannifin Corp. Add +6.8% 3.36% +0.74
AXP American Express Co. Add +3851.2% 0.52% +0.51
TDY Teledyne Technologies Inc. Add +21.7% 5.21% +0.46
SPXC SPX Technologies Inc. Add +0.5% 3.98% +0.41
ORI Old Republic Intl Corp. Add +26.6% 1.21% +0.35
HEI.A Heico Corp. Class A Add +0.5% 9.36% +0.30
RSP Invesco S&P 500 Equal Weight Add +27.2% 0.93% +0.23
V Visa Inc. Class A Add +7.1% 1.82% +0.22
WTS Watts Water Technologies-A Add +2.4% 3.06% +0.14
MA Mastercard Inc. Class A Add +0.3% 2.73% +0.11
CP Canadian Pacific Kansas City Add +0.3% 1.69% +0.04
GGG Graco Inc. Add +0.7% 3.07% +0.02
SCHF Schwab Intl Equity ETF Add +2.7% 0.15% +0.01
SSD Simpson Manufacturing Co. Inc. Add +0.6% 2.85% +0.01
NUE Nucor Corp. New 0.01% +0.01
AMZN Amazon.com Inc. Add +0.6% 0.07% +0.01
IJR iShares Core S&P Small-Cap E Add +0.8% 0.05% +0.00
META Meta Platforms Inc. Class A Add +4.8% 0.01% −0.00
BX Blackstone Inc. Add +3.5% 0.02% −0.00
ABT Abbott Laboratories Add +1.0% 0.03% −0.00
ICE Intercontinental Exchange Inc. Add +0.4% 2.66% −0.00
MSFT Microsoft Corp. Add +0.1% 0.23% −0.01
SHW The Sherwin-Williams Co. Add +0.4% 1.50% −0.04
LIN Linde PLC Add +0.4% 3.25% −0.23
CPRT Copart Inc. Add +1.1% 2.44% −0.24
WINA Winmark Corp. Add +0.1% 1.71% −0.32
ORLY O'reilly Automotive Inc. Add +0.3% 3.84% −0.53

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