Port Capital LLC
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Port Capital LLC reported 82 stock positions worth $2.2 billion. Its top holding was RBC Bearings (RBC) at 8.3% of the portfolio, followed by Heico Class A (HEI.A, 7.8%) and Teledyne Technologies (TDY, 6.7%). Compared with Q4 2025, it opened 4 new positions, sold out of 4, added to 26 and reduced 40. The biggest buy was Teledyne Technologies (TDY, shares +6%) and the biggest sale Heico Class A (HEI.A, shares −4%).
- Most Recent 13F
- Q2 2026
- Location
- CHICAGO, IL
- CIK
- 0001729212
- Portfolio Value
- $2.2B (Q1 2026)
- SEC Filing
- 0001104659-26-062522 ↗ filed May 15, 2026
Holdings Value
Holdings 82 stocks · $2.2B
| RBC RBC Bearings Inc. | 8.30% | 343,831 | $186.7M | Reduce -7.0% |
| HEI.A Heico Corp. Class A | 7.75% | 826,086 | $174.4M | Reduce -4.0% |
| TDY Teledyne Technologies Inc. | 6.75% | 250,831 | $151.8M | Add +6.1% |
| APH Amphenol Corp. Class A | 4.57% | 812,604 | $102.7M | Reduce -12.5% |
| AME Ametek Inc. | 4.12% | 432,246 | $92.7M | Reduce -4.3% |
| SPXC SPX Technologies Inc. | 4.09% | 460,289 | $92.0M | Reduce -0.3% |
| ORLY O'reilly Automotive Inc. | 3.87% | 942,570 | $87.0M | Reduce -3.3% |
| LIN Linde PLC | 3.77% | 170,919 | $84.7M | Reduce -3.3% |
| RLI Rli Corp. | 3.52% | 1,387,507 | $79.1M | Reduce -1.3% |
| GGG Graco Inc. | 3.45% | 916,397 | $77.6M | Add +5.7% |
| PH Parker Hannifin Corp. | 3.37% | 84,638 | $75.8M | Reduce -4.6% |
| WTS Watts Water Technologies-A | 3.32% | 257,406 | $74.7M | Add +0.1% |
| SSD Simpson Manufacturing Co. Inc. | 3.11% | 408,069 | $70.0M | Reduce -0.2% |
| ICE Intercontinental Exchange Inc. | 2.56% | 366,233 | $57.6M | Reduce -4.0% |
| CACI Caci International Inc. Class A | 2.48% | 102,502 | $55.7M | Add +0.1% |
| ATMU Atmus Filtration Technologie | 2.29% | 908,680 | $51.6M | Add +3.6% |
| CPRT Copart Inc. | 2.21% | 1,496,709 | $49.7M | Add +3.5% |
| ULS Ul Solutions Inc. Class A | 2.21% | 579,675 | $49.7M | Reduce -0.3% |
| MA Mastercard Inc. Class A | 2.20% | 98,867 | $49.4M | Reduce -10.8% |
| ACGL Arch Capital Group Ltd. | 2.17% | 508,652 | $48.8M | Reduce -11.2% |
| PGR Progressive Corp. | 2.15% | 244,335 | $48.4M | Reduce -8.5% |
| CP Canadian Pacific Kansas City | 1.97% | 563,874 | $44.2M | Add +6.3% |
| WINA Winmark Corp. | 1.87% | 98,186 | $42.0M | Reduce 0.0% |
| ETN Eaton Corp. PLC | 1.71% | 107,453 | $38.4M | Add +24.5% |
| SHW The Sherwin-Williams Co. | 1.70% | 119,587 | $38.3M | Add +11.5% |
| V Visa Inc. Class A | 1.57% | 116,932 | $35.3M | Reduce -2.9% |
| PB Prosperity Bancshares Inc. | 1.53% | 511,855 | $34.4M | Add +0.3% |
| KNSL Kinsale Capital Group Inc. | 1.48% | 97,583 | $33.3M | Add +0.1% |
| ORI Old Republic Intl Corp. | 1.36% | 764,889 | $30.5M | Add +24.4% |
| AXP American Express Co. | 1.28% | 94,900 | $28.7M | Add +189.7% |
| GBCI Glacier Bancorp Inc. | 1.04% | 523,599 | $23.4M | Add +0.7% |
| IEX Idex Corp. | 0.93% | 110,728 | $21.0M | Add +1.4% |
| RSP Invesco S&P 500 Equal Weight | 0.74% | 87,085 | $16.7M | Reduce -22.8% |
| MDLN Medline Inc. Class A | 0.59% | 298,800 | $13.3M | New |
| DGII Digi International Inc. | 0.55% | 257,832 | $12.4M | New |
| SPGI S&P Global Inc. | 0.53% | 28,272 | $12.0M | Reduce -63.6% |
| AAPL Apple Inc. | 0.53% | 46,648 | $11.8M | Reduce -4.2% |
| SPY SS SPDR S&P 500 ETF Trust-US | 0.33% | 11,355 | $7.4M | Add +1.3% |
| CL Colgate-Palmolive Co. | 0.25% | 66,115 | $5.6M | Add +0.0% |
| GOOG Alphabet Inc. Class C | 0.20% | 16,009 | $4.6M | Reduce -1.2% |
| MSFT Microsoft Corp. | 0.17% | 10,297 | $3.8M | Reduce -8.4% |
| SCHF Schwab Intl Equity ETF | 0.16% | 146,692 | $3.6M | Reduce -0.1% |
| GOOGL Alphabet Inc. Class A | 0.10% | 7,814 | $2.2M | No change |
| IAU iShares Gold Trust | 0.08% | 19,250 | $1.7M | No change |
| AMZN Amazon.com Inc. | 0.06% | 6,993 | $1.5M | Reduce -0.8% |
| CSW CSW Industrials Inc. | 0.06% | 5,100 | $1.3M | Reduce -13.6% |
| IJR iShares Core S&P Small-Cap E | 0.06% | 10,655 | $1.3M | Add +6.4% |
| JNJ Johnson & Johnson | 0.05% | 4,991 | $1.2M | Reduce -0.8% |
| JPM JPMorgan Chase & Co. | 0.05% | 3,536 | $1.0M | Reduce -2.5% |
| VTI VG Morningstar TS MKT ETF-US | 0.05% | 3,186 | $1.0M | No change |
| PBR.A Petroleo Brasil-SP Pref ADR | 0.04% | 53,600 | $1.0M | Reduce -14.2% |
| MAR Marriott International Class A | 0.04% | 2,856 | $934K | Reduce -0.5% |
| MRK Merck & Co. Inc. | 0.04% | 7,508 | $903K | Reduce -1.0% |
| TXN Texas Instruments Inc. | 0.04% | 4,635 | $900K | Reduce -8.6% |
| SPDW Ste STR SPDR PT DW Eu ETF | 0.04% | 18,000 | $822K | No change |
| TEL Te Connectivity PLC | 0.03% | 3,733 | $780K | Add +0.6% |
| ARCC Ares Capital Corp. | 0.03% | 43,000 | $775K | No change |
| IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS | 0.03% | 3,174 | $769K | Reduce -7.0% |
| BRK.B Berkshire Hathaway Inc. Class B | 0.03% | 1,440 | $690K | Reduce -12.0% |
| ABT Abbott Laboratories | 0.03% | 6,095 | $626K | Add +2.3% |
| IWS iShares Russell Mid-Cap Valu | 0.03% | 4,249 | $619K | Reduce -1.8% |
| MCD McDonald's Corp. | 0.03% | 1,985 | $617K | Reduce -2.6% |
| VT Vanguard Tot World STK ETF | 0.03% | 4,316 | $597K | No change |
| EPD Enterprise Products Partners | 0.03% | 15,250 | $577K | No change |
| TMO Thermo Fisher Scientific Inc. | 0.02% | 1,134 | $557K | Add +2.3% |
| COP Conocophillips | 0.02% | 3,671 | $485K | Reduce -5.4% |
| ITW Illinois Tool Works | 0.02% | 1,591 | $414K | Add +0.8% |
| PSX Phillips 66 | 0.02% | 2,233 | $407K | Reduce -9.4% |
| EL Estee Lauder Companies Class A filed as LAUDER ESTEE COS INC | 0.02% | 5,605 | $402K | Add +4.8% |
| RYAN Ryan Specialty Holdings Inc. | 0.01% | 10,000 | $337K | No change |
| UL Unilever PLC-Sponsored ADR | 0.01% | 5,777 | $329K | No change |
| ACWI iShares MSCI Acwi ETF | 0.01% | 2,175 | $301K | Add +8.8% |
| BX Blackstone Inc. | 0.01% | 2,576 | $296K | Add +5.0% |
| SCHC Schwab Intl Small-Cap Equity | 0.01% | 6,000 | $280K | No change |
| COST Costco Wholesale Corp. | 0.01% | 281 | $280K | Reduce -25.3% |
| GBDC Golub Capital BDC Inc. | 0.01% | 22,000 | $279K | No change |
| HON Honeywell International Inc. | 0.01% | 1,152 | $260K | Reduce -1.8% |
| KVUE Kenvue Inc. | 0.01% | 14,685 | $253K | Add +26.7% |
| PFE Pfizer Inc. | 0.01% | 8,859 | $249K | New |
| PPL PPL Corp. | 0.01% | 5,741 | $219K | New |
| NUE Nucor Corp. | 0.01% | 1,291 | $218K | Reduce -4.1% |
| SLDP Solid Power Inc. | 0.00% | 19,750 | $59K | No change |
Portfolio Sells Q4 2025 → Q1 2026
| HEI.A Heico Corp. Class A | Reduce -4.0% | 7.75% | −1.61 |
| SPGI S&P Global Inc. | Reduce -63.6% | 0.53% | −1.22 |
| BRO Brown & Brown Inc. | Sold out | 0.00% | −0.93 |
| APH Amphenol Corp. Class A | Reduce -12.5% | 4.57% | −0.85 |
| ADP Automatic Data Processing | Sold out | 0.00% | −0.83 |
| MA Mastercard Inc. Class A | Reduce -10.8% | 2.20% | −0.53 |
| PGR Progressive Corp. | Reduce -8.5% | 2.15% | −0.47 |
| UNH Unitedhealth Group Inc. | Sold out | 0.00% | −0.43 |
| RLI Rli Corp. | Reduce -1.3% | 3.52% | −0.36 |
| V Visa Inc. Class A | Reduce -2.9% | 1.57% | −0.25 |
| ACGL Arch Capital Group Ltd. | Reduce -11.2% | 2.17% | −0.20 |
| RSP Invesco S&P 500 Equal Weight | Reduce -22.8% | 0.74% | −0.19 |
| ICE Intercontinental Exchange Inc. | Reduce -4.0% | 2.56% | −0.10 |
| MSFT Microsoft Corp. | Reduce -8.4% | 0.17% | −0.07 |
| AAPL Apple Inc. | Reduce -4.2% | 0.53% | −0.04 |
| CSW CSW Industrials Inc. | Reduce -13.6% | 0.06% | −0.02 |
| GOOG Alphabet Inc. Class C | Reduce -1.2% | 0.20% | −0.01 |
| META Meta Platforms Inc. Class A | Sold out | 0.00% | −0.01 |
| IBM Intl Business Machines Corp. | Reduce -7.0% | 0.03% | −0.01 |
| AMZN Amazon.com Inc. | Reduce -0.8% | 0.06% | −0.01 |
| BRK.B Berkshire Hathaway Inc. Class B | Reduce -12.0% | 0.03% | −0.00 |
| JPM JPMorgan Chase & Co. | Reduce -2.5% | 0.05% | −0.00 |
| COST Costco Wholesale Corp. | Reduce -25.3% | 0.01% | −0.00 |
| NUE Nucor Corp. | Reduce -4.1% | 0.01% | +0.00 |
| MCD McDonald's Corp. | Reduce -2.6% | 0.03% | +0.00 |
| IWS iShares Russell Mid-Cap Valu | Reduce -1.8% | 0.03% | +0.00 |
| HON Honeywell International Inc. | Reduce -1.8% | 0.01% | +0.00 |
| TXN Texas Instruments Inc. | Reduce -8.6% | 0.04% | +0.00 |
| MAR Marriott International Class A | Reduce -0.5% | 0.04% | +0.00 |
| PSX Phillips 66 | Reduce -9.4% | 0.02% | +0.00 |
| PH Parker Hannifin Corp. | Reduce -4.6% | 3.37% | +0.01 |
| MRK Merck & Co. Inc. | Reduce -1.0% | 0.04% | +0.01 |
| COP Conocophillips | Reduce -5.4% | 0.02% | +0.01 |
| SCHF Schwab Intl Equity ETF | Reduce -0.1% | 0.16% | +0.01 |
| JNJ Johnson & Johnson | Reduce -0.8% | 0.05% | +0.01 |
| PBR.A Petroleo Brasil-SP Pref ADR | Reduce -14.2% | 0.04% | +0.01 |
| ORLY O'reilly Automotive Inc. | Reduce -3.3% | 3.87% | +0.03 |
| SPXC SPX Technologies Inc. | Reduce -0.3% | 4.09% | +0.11 |
| AME Ametek Inc. | Reduce -4.3% | 4.12% | +0.12 |
| WINA Winmark Corp. | Reduce 0.0% | 1.87% | +0.15 |
| ULS Ul Solutions Inc. Class A | Reduce -0.3% | 2.21% | +0.23 |
| SSD Simpson Manufacturing Co. Inc. | Reduce -0.2% | 3.11% | +0.27 |
| LIN Linde PLC | Reduce -3.3% | 3.77% | +0.52 |
| RBC RBC Bearings Inc. | Reduce -7.0% | 8.30% | +1.15 |
Portfolio Buys Q4 2025 → Q1 2026
| TDY Teledyne Technologies Inc. | Add +6.1% | 6.75% | +1.54 |
| AXP American Express Co. | Add +189.7% | 1.28% | +0.75 |
| MDLN Medline Inc. Class A | New | 0.59% | +0.59 |
| DGII Digi International Inc. | New | 0.55% | +0.55 |
| ETN Eaton Corp. PLC | Add +24.5% | 1.71% | +0.52 |
| GGG Graco Inc. | Add +5.7% | 3.45% | +0.38 |
| ATMU Atmus Filtration Technologie | Add +3.6% | 2.29% | +0.33 |
| CP Canadian Pacific Kansas City | Add +6.3% | 1.97% | +0.28 |
| WTS Watts Water Technologies-A | Add +0.1% | 3.32% | +0.26 |
| SHW The Sherwin-Williams Co. | Add +11.5% | 1.70% | +0.21 |
| ORI Old Republic Intl Corp. | Add +24.4% | 1.36% | +0.15 |
| CACI Caci International Inc. Class A | Add +0.1% | 2.48% | +0.13 |
| IEX Idex Corp. | Add +1.4% | 0.93% | +0.10 |
| GBCI Glacier Bancorp Inc. | Add +0.7% | 1.04% | +0.05 |
| CL Colgate-Palmolive Co. | Add +0.0% | 0.25% | +0.03 |
| PFE Pfizer Inc. | New | 0.01% | +0.01 |
| PPL PPL Corp. | New | 0.01% | +0.01 |
| PB Prosperity Bancshares Inc. | Add +0.3% | 1.53% | +0.01 |
| IJR iShares Core S&P Small-Cap E | Add +6.4% | 0.06% | +0.01 |
| KVUE Kenvue Inc. | Add +26.7% | 0.01% | +0.00 |
| ITW Illinois Tool Works | Add +0.8% | 0.02% | +0.00 |
| ACWI iShares MSCI Acwi ETF | Add +8.8% | 0.01% | +0.00 |
| SPY SS SPDR S&P 500 ETF Trust-US | Add +1.3% | 0.33% | −0.00 |
| TEL Te Connectivity PLC | Add +0.6% | 0.03% | −0.00 |
| TMO Thermo Fisher Scientific Inc. | Add +2.3% | 0.02% | −0.00 |
| BX Blackstone Inc. | Add +5.0% | 0.01% | −0.00 |
| ABT Abbott Laboratories | Add +2.3% | 0.03% | −0.00 |
| EL Estee Lauder Companies Class A | Add +4.8% | 0.02% | −0.01 |
| KNSL Kinsale Capital Group Inc. | Add +0.1% | 1.48% | −0.16 |
| CPRT Copart Inc. | Add +3.5% | 2.21% | −0.23 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 108 | $2.5B | HEI.A, RBC, TDY, APH, SPXC |
| Q1 2026 | 82 | $2.2B | RBC, HEI.A, TDY, APH, AME |
| Q4 2025 | 82 | $2.3B | HEI.A, RBC, APH, TDY, AME |
| Q3 2025 | 84 | $2.4B | HEI.A, RBC, APH, TDY, ORLY |
| Q2 2025 | 85 | $2.4B | HEI.A, RBC, APH, RLI, TDY |
| Q1 2025 | 87 | $2.2B | HEI.A, RLI, RBC, ORLY, TDY |
| Q4 2024 | 88 | $2.2B | HEI.A, RLI, RBC, APH, TDY |
| Q3 2024 | 87 | $2.2B | HEI.A, RLI, RBC, APH, TDY |
| Q2 2024 | 85 | $2.0B | HEI.A, RLI, RBC, CPRT, APH |
| Q1 2024 | 87 | $2.0B | HEI.A, RLI, CPRT, RBC, TDY |