MASECO LLP
Long book
$3.19B
Q1 2026
Positions
391
Top-10 weight
64%
concentration
Last quarter
+9.3%
SPY +14.8%
Turnover
44%
of book per quarter
Strategy in plain words
auto-generated from filingsMASECO LLP is a wealth-management firm allocating client money, running a $3.19B US long book across 391 positions.
The portfolio is concentrated: the top 10 names carry 64% of the portfolio. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: DIMENSIONAL US EQ MKT ETF, VANGUARD INTERMEDIATE-TERM T, AVANTIS U.S. EQUITY ETF, DIMENSIONAL GLBL CORE PL FIX, AVANTIS INTERNATIONAL EQUITY.
Over the last 4 quarters its long book ran on average 1pp per quarter behind the S&P 500, beating the index in 1 of 4 quarters. Its holdings are mechanical (indexing / client flows), so position changes carry no stock-picking signal.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q2 2025
+5.9%
Q3 2025
+2.5%
Q4 2025
-0.6%
Q1 2026
+9.3%
Sector allocation
Technology 37%
Financials 24%
Healthcare 19%
Services media 5%
Consumer discretionary 5%
Consumer staples 4%
Industrials 3%
Utilities 1%
Long book by quarter
What does MASECO LLP own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| GOOG ALPHABET INC-CL C | Technology | 15.7K | $4.5M | 0.1% | -8.0% |
| JPM JPMORGAN CHASE & CO | Financials | 13.5K | $4.0M | 0.1% | -7.6% |
| AAPL APPLE INC | Technology | 7.3K | $1.9M | 0.1% | New |
| AZN ASTRAZENECA PLC | Healthcare | 7.4K | $1.4M | 0.0% | New |
| ABBV ABBVIE INC | Healthcare | 5.5K | $1.2M | 0.0% | -0.7% |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 2.4K | $1.2M | 0.0% | New |
| MSFT MICROSOFT CORP | Technology | 3.1K | $1.2M | 0.0% | -1.2% |
| MRK MERCK & CO. INC. | Healthcare | 6.0K | $724K | 0.0% | -2.2% |
| META META PLATFORMS INC-CLASS A | Technology | 1.2K | $702K | 0.0% | +621.8% |
| PEP PEPSICO INC | Consumer staples | 3.9K | $600K | 0.0% | Held |
| SUNB SUNBELT RENTALS HOLDINGS INC | Services media | 8.6K | $556K | 0.0% | New |
| ABT ABBOTT LABORATORIES | Healthcare | 4.8K | $494K | 0.0% | New |
| KO COCA-COLA CO/THE | Consumer staples | 5.0K | $378K | 0.0% | +2.2% |
| MCD MCDONALD'S CORP | Consumer discretionary | 1.2K | $375K | 0.0% | -25.4% |
| GOOGL ALPHABET INC-CL A | Technology | 1.1K | $319K | 0.0% | -74.3% |
| NVDA NVIDIA CORP | Technology | 1.8K | $318K | 0.0% | -73.4% |
| MCO MOODY'S CORP | Services media | 690 | $301K | 0.0% | Held |
| JNJ JOHNSON & JOHNSON | Healthcare | 1.1K | $261K | 0.0% | -7.3% |
| WMT WALMART INC | Consumer discretionary | 2.0K | $244K | 0.0% | +7.2% |