Port Capital LLC
Long book
$2.25B
Q1 2026
Positions
82
Top-10 weight
50%
concentration
Last quarter
+10.2%
SPY +14.8%
Turnover
9%
of book per quarter
Strategy in plain words
auto-generated from filingsPort Capital LLC is a diversified fundamental manager, running a $2.25B US long book across 82 positions.
The portfolio is concentrated: the top 10 names carry 50% of the portfolio. The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: RBC BEARINGS INC, HEICO CORP-CLASS A, TELEDYNE TECHNOLOGIES INC, AMPHENOL CORP-CL A, AMETEK INC.
Over the last 9 quarters its long book ran on average 1.7pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-2.7%
Q2 2024
+10.5%
Q3 2024
-1.8%
Q4 2024
+2.5%
Q1 2025
+5.1%
Q2 2025
+2.2%
Q3 2025
-1.1%
Q4 2025
-0.1%
Q1 2026
+10.2%
Sector allocation
Industrials 41%
Technology 20%
Financials 17%
Consumer discretionary 10%
Services media 7%
Materials 4%
Healthcare 1%
Other 0%
Long book by quarter
What does Port Capital own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| RBC RBC BEARINGS INC | Industrials | 343.8K | $186.7M | 8.3% | -7.0% |
| HEI/A HEICO CORP-CLASS A | Industrials | 826.1K | $174.4M | 7.8% | -4.0% |
| TDY TELEDYNE TECHNOLOGIES INC | Technology | 250.8K | $151.8M | 6.7% | +6.1% |
| APH AMPHENOL CORP-CL A | Technology | 812.6K | $102.7M | 4.6% | -12.5% |
| AME AMETEK INC | Technology | 432.2K | $92.7M | 4.1% | -4.3% |
| SPXC SPX TECHNOLOGIES INC | Industrials | 460.3K | $92.0M | 4.1% | -0.3% |
| ORLY O'REILLY AUTOMOTIVE INC | Consumer discretionary | 942.6K | $87.0M | 3.9% | -3.3% |
| LIN LINDE PLC | Materials | 170.9K | $84.7M | 3.8% | -3.3% |
| RLI RLI CORP | Financials | 1.4M | $79.1M | 3.5% | -1.3% |
| GGG GRACO INC | Industrials | 916.4K | $77.6M | 3.4% | +5.7% |
| PH PARKER HANNIFIN CORP | Industrials | 84.6K | $75.8M | 3.4% | -4.6% |
| WTS WATTS WATER TECHNOLOGIES-A | Industrials | 257.4K | $74.7M | 3.3% | +0.1% |
| SSD SIMPSON MANUFACTURING CO INC | Industrials | 408.1K | $70.0M | 3.1% | -0.2% |
| ICE INTERCONTINENTAL EXCHANGE IN | Financials | 366.2K | $57.6M | 2.6% | -4.0% |
| CACI CACI INTERNATIONAL INC -CL A | Technology | 102.5K | $55.7M | 2.5% | +0.1% |
| ATMU ATMUS FILTRATION TECHNOLOGIE | Industrials | 908.7K | $51.6M | 2.3% | +3.6% |
| CPRT COPART INC | Consumer discretionary | 1.5M | $49.7M | 2.2% | +3.6% |
| ULS UL SOLUTIONS INC - CLASS A | Services media | 579.7K | $49.7M | 2.2% | -0.3% |
| MA MASTERCARD INC - A | Services media | 98.9K | $49.4M | 2.2% | -10.9% |
| ACGL ARCH CAPITAL GROUP LTD | Financials | 508.7K | $48.8M | 2.2% | -11.2% |
| PGR PROGRESSIVE CORP | Financials | 244.3K | $48.4M | 2.2% | -8.5% |
| CP CANADIAN PACIFIC KANSAS CITY | Industrials | 563.9K | $44.2M | 2.0% | +6.3% |
| WINA WINMARK CORP | Consumer discretionary | 98.2K | $42.0M | 1.9% | 0.0% |
| ETN EATON CORP PLC | Industrials | 107.5K | $38.4M | 1.7% | +24.5% |
| SHW SHERWIN-WILLIAMS CO/THE | Consumer discretionary | 119.6K | $38.3M | 1.7% | +11.5% |
| V VISA INC-CLASS A SHARES | Services media | 116.9K | $35.3M | 1.6% | -2.9% |
| PB PROSPERITY BANCSHARES INC | Financials | 511.9K | $34.4M | 1.5% | +0.3% |
| KNSL KINSALE CAPITAL GROUP INC | Financials | 97.6K | $33.3M | 1.5% | +0.1% |
| ORI OLD REPUBLIC INTL CORP | Financials | 764.9K | $30.5M | 1.4% | +24.4% |
| AXP AMERICAN EXPRESS CO | Financials | 94.9K | $28.7M | 1.3% | +189.7% |
| GBCI GLACIER BANCORP INC | Financials | 523.6K | $23.4M | 1.0% | +0.7% |
| IEX IDEX CORP | Industrials | 110.7K | $21.0M | 0.9% | +1.4% |
| MDLN MEDLINE INC-CL A | Healthcare | 298.8K | $13.3M | 0.6% | New |
| DGII DIGI INTERNATIONAL INC | Technology | 257.8K | $12.4M | 0.6% | New |
| SPGI S&P GLOBAL INC | Services media | 28.3K | $12.0M | 0.5% | -63.6% |
| AAPL APPLE INC | Technology | 46.6K | $11.8M | 0.5% | -4.2% |
| CL COLGATE-PALMOLIVE CO | Other | 66.1K | $5.6M | 0.3% | 0.0% |
| GOOG ALPHABET INC-CL C | Technology | 16.0K | $4.6M | 0.2% | -1.2% |
| MSFT MICROSOFT CORP | Technology | 10.3K | $3.8M | 0.2% | -8.4% |
| GOOGL ALPHABET INC-CL A | Technology | 7.8K | $2.2M | 0.1% | Held |
| AMZN AMAZON.COM INC | Consumer discretionary | 7.0K | $1.5M | 0.1% | -0.8% |
| CSW CSW INDUSTRIALS INC | Other | 5.1K | $1.3M | 0.1% | -13.6% |
| JNJ JOHNSON & JOHNSON | Healthcare | 5.0K | $1.2M | 0.1% | -0.9% |
| JPM JPMORGAN CHASE & CO | Financials | 3.5K | $1.0M | 0.0% | -2.5% |
| MAR MARRIOTT INTERNATIONAL -CL A | Services media | 2.9K | $934K | 0.0% | -0.5% |
| MRK MERCK & CO. INC. | Healthcare | 7.5K | $903K | 0.0% | -1.0% |
| TXN TEXAS INSTRUMENTS INC | Technology | 4.6K | $900K | 0.0% | -8.6% |
| TEL TE CONNECTIVITY PLC | Consumer discretionary | 3.7K | $780K | 0.0% | +0.6% |
| ARCC ARES CAPITAL CORP | — | 43.0K | $775K | 0.0% | Held |
| IBM INTL BUSINESS MACHINES CORP | Technology | 3.2K | $769K | 0.0% | -7.0% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 82 | $2.25B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 82 | $2.32B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 84 | $2.40B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 85 | $2.35B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 87 | $2.21B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 88 | $2.19B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 87 | $2.23B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 14, 2024 | 85 | $2.00B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 87 | $1.99B | canonical | SEC ↗ |
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