East Coast Asset Management, LLC.
Long book
$558.4M
Q1 2026
Positions
80
Top-10 weight
77%
concentration
Last quarter
+16.5%
SPY +16.5%
Turnover
11%
of book per quarter
Strategy in plain words
auto-generated from filingsEast Coast Asset Management, LLC. is a diversified fundamental manager, running a $558.4M US long book across 80 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is modest: positions are typically held for years. Current anchor positions: ALPHABET INC-CL C, TESLA INC, PERIMETER SOLUTIONS INC, TRANSDIGM GROUP INC, ECHOSTAR CORP-A.
Over the last 9 quarters its long book ran on average 1.6pp per quarter ahead of the S&P 500, beating the index in 6 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
+5.4%
Q2 2024
+7.4%
Q3 2024
+4.9%
Q4 2024
-6.1%
Q1 2025
+14.8%
Q2 2025
+15.0%
Q3 2025
+7.5%
Q4 2025
-8.8%
Q1 2026
+16.5%
Sector allocation
Industrials 32%
Technology 26%
Materials 13%
Communications 7%
Consumer discretionary 7%
Financials 6%
Services media 6%
Other 1%
Long book by quarter
What does East Coast own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| GOOG ALPHABET INC-CL C | Technology | 311.8K | $89.4M | 16.0% | -17.8% |
| TSLA TESLA INC | Industrials | 232.5K | $86.4M | 15.5% | +17.0% |
| PRM PERIMETER SOLUTIONS INC | Materials | 3.0M | $73.1M | 13.1% | +5.1% |
| TDG TRANSDIGM GROUP INC | Industrials | 52.8K | $61.2M | 11.0% | +2.5% |
| ECHO ECHOSTAR CORP-A | Communications | 345.7K | $40.5M | 7.2% | +0.8% |
| AMZN AMAZON.COM INC | Consumer discretionary | 90.6K | $18.9M | 3.4% | -11.3% |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 39.2K | $18.8M | 3.4% | -1.4% |
| META META PLATFORMS INC-CLASS A | Technology | 29.3K | $16.7M | 3.0% | -45.7% |
| MA MASTERCARD INC - A | Services media | 27.2K | $13.6M | 2.4% | -1.1% |
| WWD WOODWARD INC | Industrials | 34.4K | $12.3M | 2.2% | -1.8% |
| AAPL APPLE INC | Technology | 46.5K | $11.8M | 2.1% | -1.6% |
| TJX TJX COMPANIES INC | Consumer discretionary | 62.8K | $10.0M | 1.8% | -1.3% |
| GOOGL ALPHABET INC-CL A | Technology | 29.8K | $8.6M | 1.5% | Held |
| MCO MOODY'S CORP | Services media | 18.3K | $8.0M | 1.4% | -2.3% |
| DE DEERE & CO | Industrials | 13.5K | $7.6M | 1.4% | -0.2% |
| V VISA INC-CLASS A SHARES | Services media | 19.6K | $5.9M | 1.1% | -0.7% |
| VEEV VEEVA SYSTEMS INC-CLASS A | Technology | 33.4K | $5.9M | 1.0% | New |
| SCHW SCHWAB (CHARLES) CORP | Financials | 58.7K | $5.5M | 1.0% | -1.2% |
| MKL MARKEL GROUP INC | Financials | 2.6K | $5.1M | 0.9% | -0.8% |
| SHW SHERWIN-WILLIAMS CO/THE | Consumer discretionary | 15.5K | $5.0M | 0.9% | -0.9% |
| MSFT MICROSOFT CORP | Technology | 12.0K | $4.5M | 0.8% | -2.6% |
| WM WASTE MANAGEMENT INC | Utilities | 15.6K | $3.6M | 0.6% | -0.4% |
| LPX LOUISIANA-PACIFIC CORP | Other | 40.3K | $2.9M | 0.5% | -2.1% |
| UNP UNION PACIFIC CORP | Industrials | 10.4K | $2.5M | 0.5% | -0.6% |
| CL COLGATE-PALMOLIVE CO | Other | 25.9K | $2.2M | 0.4% | -1.6% |
| BRK/A BERKSHIRE HATHAWAY INC-CL A | Financials | 3 | $2.2M | 0.4% | Held |
| ADP AUTOMATIC DATA PROCESSING | Technology | 8.8K | $1.8M | 0.3% | -3.6% |
| JNJ JOHNSON & JOHNSON | Healthcare | 6.7K | $1.6M | 0.3% | -3.2% |
| JPM JPMORGAN CHASE & CO | Financials | 5.6K | $1.6M | 0.3% | +35.1% |
| ORCL ORACLE CORP | Technology | 11.0K | $1.6M | 0.3% | New |
| SYY SYSCO CORP | Consumer discretionary | 18.4K | $1.3M | 0.2% | -3.3% |
| LH LABCORP HOLDINGS INC | Healthcare | 4.8K | $1.3M | 0.2% | -7.4% |
| BR BROADRIDGE FINANCIAL SOLUTIO | Services media | 6.3K | $1.0M | 0.2% | Held |
| PAYX PAYCHEX INC | Services media | 10.3K | $950K | 0.2% | -2.4% |
| IBM INTL BUSINESS MACHINES CORP | Technology | 3.9K | $941K | 0.2% | +106.3% |
| LMT LOCKHEED MARTIN CORP | Industrials | 1.4K | $861K | 0.2% | -3.4% |
| PG PROCTER & GAMBLE CO/THE | Other | 5.4K | $782K | 0.1% | Held |
| RTX RTX CORP | Industrials | 3.6K | $703K | 0.1% | -6.7% |
| DHR DANAHER CORP | Technology | 3.6K | $678K | 0.1% | Held |
| XOM EXXON MOBIL CORP | Energy | 3.9K | $657K | 0.1% | New |
| RACE FERRARI NV | Industrials | 1.8K | $597K | 0.1% | Held |
| MMM 3M CO | Healthcare | 3.9K | $573K | 0.1% | Held |
| AMGN AMGEN INC | Healthcare | 1.6K | $573K | 0.1% | Held |
| MCD MCDONALD'S CORP | Consumer discretionary | 1.8K | $550K | 0.1% | +0.1% |
| CMCSA COMCAST CORP-CLASS A | Communications | 16.5K | $474K | 0.1% | -1.4% |
| NSC NORFOLK SOUTHERN CORP | Industrials | 1.6K | $459K | 0.1% | Held |
| GE GENERAL ELECTRIC | Industrials | 1.5K | $439K | 0.1% | New |
| AXP AMERICAN EXPRESS CO | Financials | 1.4K | $436K | 0.1% | Held |
| DIS WALT DISNEY CO/THE | Services media | 4.4K | $428K | 0.1% | -9.3% |
| PFE PFIZER INC | Healthcare | 14.2K | $398K | 0.1% | Held |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR/ARESTATEMENT | Oct 26, 2026 | 80 | $558.4M | canonical | SEC ↗ |
| Q1 2026 | 13F-HR | May 15, 2026 | 68 | $303.4M | SEC ↗ | |
| Q4 2025 | 13F-HR/ARESTATEMENT | Oct 26, 2026 | 75 | $629.8M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 69 | $340.0M | SEC ↗ | |
| Q3 2025 | 13F-HR/ARESTATEMENT | Oct 26, 2026 | 77 | $574.7M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 68 | $319.2M | SEC ↗ | |
| Q2 2025 | 13F-HR/ARESTATEMENT | Oct 30, 2026 | 77 | $510.5M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 69 | $301.4M | SEC ↗ | |
| Q1 2025 | 13F-HR/ARESTATEMENT | Oct 30, 2026 | 77 | $471.6M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 69 | $282.4M | SEC ↗ | |
| Q4 2024 | 13F-HR/ARESTATEMENT | Oct 30, 2026 | 77 | $497.0M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 71 | $299.3M | SEC ↗ | |
| Q3 2024 | 13F-HR/ARESTATEMENT | Oct 30, 2026 | 75 | $490.7M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 73 | $301.2M | SEC ↗ | |
| Q2 2024 | 13F-HR/ARESTATEMENT | Oct 30, 2026 | 73 | $441.0M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 14, 2024 | 70 | $275.1M | SEC ↗ | |
| Q1 2024 | 13F-HR/ARESTATEMENT | Oct 30, 2026 | 70 | $444.0M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 69 | $274.1M | SEC ↗ |
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