East Coast Asset Management, LLC.
Long book
$303.4M
Q1 2026
Positions
68
Top-10 weight
72%
concentration
Last quarter
+14.2%
SPY +14.8%
Turnover
7%
of book per quarter
Strategy in plain words
auto-generated from filingsEast Coast Asset Management, LLC. is a diversified fundamental manager, running a $303.4M US long book across 68 positions.
The portfolio is concentrated: the top 10 names carry 72% of the portfolio. The book barely moves quarter to quarter — a patient, low-turnover holder. 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 1.2pp 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
+5.1%
Q2 2024
+6.9%
Q3 2024
+4.9%
Q4 2024
-5.0%
Q1 2025
+12.5%
Q2 2025
+13.1%
Q3 2025
+7.3%
Q4 2025
-8.1%
Q1 2026
+14.2%
Sector allocation
Industrials 28%
Technology 25%
Materials 11%
Financials 9%
Consumer discretionary 8%
Services media 8%
Communications 6%
Other 2%
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 | 166.0K | $47.6M | 15.7% | -15.4% |
| TSLA TESLA INC | Industrials | 99.9K | $37.1M | 12.2% | +22.4% |
| PRM PERIMETER SOLUTIONS INC | Materials | 1.4M | $33.2M | 10.9% | -0.6% |
| TDG TRANSDIGM GROUP INC | Industrials | 23.2K | $26.9M | 8.9% | -0.5% |
| ECHO ECHOSTAR CORP-A | Communications | 137.2K | $16.1M | 5.3% | Held |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 30.2K | $14.5M | 4.8% | -1.4% |
| AMZN AMAZON.COM INC | Consumer discretionary | 59.5K | $12.4M | 4.1% | -1.5% |
| MA MASTERCARD INC - A | Services media | 22.9K | $11.4M | 3.8% | -1.5% |
| WWD WOODWARD INC | Industrials | 28.7K | $10.3M | 3.4% | -1.1% |
| AAPL APPLE INC | Technology | 38.7K | $9.8M | 3.2% | -2.3% |
| META META PLATFORMS INC-CLASS A | Technology | 14.2K | $8.1M | 2.7% | -35.0% |
| TJX TJX COMPANIES INC | Consumer discretionary | 45.0K | $7.2M | 2.4% | -1.3% |
| MCO MOODY'S CORP | Services media | 13.8K | $6.0M | 2.0% | -2.8% |
| DE DEERE & CO | Industrials | 10.2K | $5.7M | 1.9% | -0.9% |
| V VISA INC-CLASS A SHARES | Services media | 16.0K | $4.8M | 1.6% | -1.2% |
| SCHW SCHWAB (CHARLES) CORP | Financials | 44.1K | $4.1M | 1.4% | -1.9% |
| MKL MARKEL GROUP INC | Financials | 2.1K | $4.0M | 1.3% | -1.4% |
| SHW SHERWIN-WILLIAMS CO/THE | Consumer discretionary | 10.4K | $3.3M | 1.1% | -0.9% |
| WM WASTE MANAGEMENT INC | Utilities | 13.3K | $3.1M | 1.0% | -0.8% |
| MSFT MICROSOFT CORP | Technology | 8.0K | $3.0M | 1.0% | -3.9% |
| LPX LOUISIANA-PACIFIC CORP | Other | 31.4K | $2.3M | 0.8% | -2.4% |
| BRK/A BERKSHIRE HATHAWAY INC-CL A | Financials | 3 | $2.2M | 0.7% | Held |
| UNP UNION PACIFIC CORP | Industrials | 8.2K | $2.0M | 0.7% | -1.5% |
| CL COLGATE-PALMOLIVE CO | Other | 20.3K | $1.7M | 0.6% | -1.6% |
| VEEV VEEVA SYSTEMS INC-CLASS A | Technology | 9.5K | $1.7M | 0.5% | New |
| GOOGL ALPHABET INC-CL A | Technology | 5.4K | $1.6M | 0.5% | Held |
| JNJ JOHNSON & JOHNSON | Healthcare | 5.4K | $1.3M | 0.4% | -1.3% |
| ADP AUTOMATIC DATA PROCESSING | Technology | 6.3K | $1.3M | 0.4% | -5.3% |
| LH LABCORP HOLDINGS INC | Healthcare | 4.2K | $1.1M | 0.4% | -3.2% |
| SYY SYSCO CORP | Consumer discretionary | 14.7K | $1.1M | 0.3% | -2.6% |
| PAYX PAYCHEX INC | Services media | 8.5K | $779K | 0.3% | -2.9% |
| BR BROADRIDGE FINANCIAL SOLUTIO | Services media | 4.4K | $721K | 0.2% | Held |
| DHR DANAHER CORP | Technology | 3.6K | $678K | 0.2% | Held |
| AMGN AMGEN INC | Healthcare | 1.6K | $573K | 0.2% | Held |
| LMT LOCKHEED MARTIN CORP | Industrials | 932 | $563K | 0.2% | Held |
| RTX RTX CORP | Industrials | 2.8K | $539K | 0.2% | -2.2% |
| PG PROCTER & GAMBLE CO/THE | Other | 3.1K | $449K | 0.1% | Held |
| CMCSA COMCAST CORP-CLASS A | Communications | 15.3K | $439K | 0.1% | -1.5% |
| AXP AMERICAN EXPRESS CO | Financials | 1.4K | $436K | 0.1% | Held |
| IBM INTL BUSINESS MACHINES CORP | Technology | 1.8K | $435K | 0.1% | Held |
| MMM 3M CO | Healthcare | 2.6K | $375K | 0.1% | Held |
| RSG REPUBLIC SERVICES INC | Utilities | 1.6K | $342K | 0.1% | Held |
| WMT WALMART INC | Consumer discretionary | 2.6K | $324K | 0.1% | -4.6% |
| HD HOME DEPOT INC | Consumer discretionary | 852 | $280K | 0.1% | -9.1% |
| INTU INTUIT INC | Technology | 600 | $259K | 0.1% | Held |
| ADBE ADOBE INC | Technology | 1.1K | $256K | 0.1% | Held |
| RACE FERRARI NV | Industrials | 745 | $252K | 0.1% | Held |
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 242 | $241K | 0.1% | Held |
| PFE PFIZER INC | Healthcare | 8.1K | $229K | 0.1% | Held |
| ETN EATON CORP PLC | Industrials | 617 | $221K | 0.1% | New |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 68 | $303.4M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 69 | $340.0M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 68 | $319.2M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 69 | $301.4M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 69 | $282.4M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 71 | $299.3M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 73 | $301.2M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 14, 2024 | 70 | $275.1M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 69 | $274.1M | canonical | SEC ↗ |
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