MIDDLETON & CO INC/MA
Long book
$876.9M
Q1 2026
Positions
164
Top-10 weight
40%
concentration
Last quarter
+11.2%
SPY +14.8%
Turnover
5%
of book per quarter
Strategy in plain words
auto-generated from filingsMIDDLETON & CO INC/MA is a diversified fundamental manager, running a $876.9M US long book across 164 positions.
The portfolio is moderately concentrated (top 10 ≈ 40% of the book). The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: ALPHABET INC-CL A, APPLE INC, AMAZON.COM INC, BROADCOM INC, ISHARES CORE S&P 500 ETF.
Over the last 9 quarters its long book ran on average 1.7pp per quarter behind the S&P 500, beating the index in 2 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
+2.8%
Q2 2024
+5.4%
Q3 2024
+1.5%
Q4 2024
-3.7%
Q1 2025
+6.6%
Q2 2025
+5.5%
Q3 2025
+2.8%
Q4 2025
-6.6%
Q1 2026
+11.2%
Sector allocation
Technology 43%
Consumer discretionary 14%
Healthcare 11%
Services media 7%
Financials 7%
Utilities 5%
Industrials 5%
Energy 3%
Long book by quarter
What does MIDDLETON & own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| GOOGL ALPHABET INC-CL A | Technology | 207.8K | $59.7M | 6.8% | -6.3% |
| AAPL APPLE INC | Technology | 224.1K | $56.9M | 6.5% | -1.5% |
| AMZN AMAZON.COM INC | Consumer discretionary | 245.3K | $51.1M | 5.8% | -0.6% |
| AVGO BROADCOM INC | Technology | 128.6K | $39.8M | 4.5% | -0.5% |
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 24.5K | $24.4M | 2.8% | -0.6% |
| V VISA INC-CLASS A SHARES | Services media | 70.7K | $21.4M | 2.4% | -0.6% |
| MSFT MICROSOFT CORP | Technology | 57.1K | $21.2M | 2.4% | -0.9% |
| JPM JPMORGAN CHASE & CO | Financials | 71.6K | $21.1M | 2.4% | -1.3% |
| XOM EXXON MOBIL CORP | Energy | 115.8K | $19.7M | 2.2% | +1.2% |
| ORLY O'REILLY AUTOMOTIVE INC | Consumer discretionary | 200.5K | $18.5M | 2.1% | -0.6% |
| ABBV ABBVIE INC | Healthcare | 78.0K | $17.0M | 1.9% | -1.7% |
| PANW PALO ALTO NETWORKS INC | Technology | 101.3K | $16.2M | 1.9% | +4.3% |
| NEE NEXTERA ENERGY INC | Utilities | 173.3K | $16.1M | 1.8% | -2.1% |
| MRK MERCK & CO. INC. | Healthcare | 122.1K | $14.7M | 1.7% | -16.0% |
| DHR DANAHER CORP | Technology | 68.4K | $13.0M | 1.5% | -0.3% |
| NVDA NVIDIA CORP | Technology | 73.7K | $12.9M | 1.5% | +7.3% |
| LLY ELI LILLY & CO | Healthcare | 13.0K | $11.9M | 1.4% | +2.3% |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 24.9K | $11.9M | 1.4% | -0.9% |
| NOW SERVICENOW INC | Technology | 109.7K | $11.5M | 1.3% | +11.0% |
| CRM SALESFORCE INC | Technology | 60.2K | $11.2M | 1.3% | -1.1% |
| QCOM QUALCOMM INC | Technology | 85.6K | $11.0M | 1.3% | -0.9% |
| SPGI S&P GLOBAL INC | Services media | 25.8K | $11.0M | 1.3% | +2.4% |
| STE STERIS PLC | Healthcare | 48.2K | $10.6M | 1.2% | -0.7% |
| INTU INTUIT INC | Technology | 23.1K | $10.0M | 1.1% | -1.1% |
| XYL XYLEM INC | Industrials | 82.3K | $9.8M | 1.1% | +1.4% |
| ETN EATON CORP PLC | Industrials | 26.5K | $9.5M | 1.1% | +11.6% |
| VRSK VERISK ANALYTICS INC | Technology | 45.7K | $8.7M | 1.0% | +0.9% |
| GOOG ALPHABET INC-CL C | Technology | 29.7K | $8.5M | 1.0% | -11.0% |
| SNPS SYNOPSYS INC | Technology | 20.9K | $8.3M | 0.9% | +8.8% |
| SYK STRYKER CORP | Healthcare | 24.6K | $8.1M | 0.9% | +5.1% |
| ECL ECOLAB INC | Other | 29.8K | $7.9M | 0.9% | -3.2% |
| META META PLATFORMS INC-CLASS A | Technology | 13.9K | $7.9M | 0.9% | -3.8% |
| IDXX IDEXX LABORATORIES INC | Materials | 13.2K | $7.4M | 0.8% | +0.2% |
| MDLZ MONDELEZ INTERNATIONAL INC-A | Consumer staples | 121.7K | $7.0M | 0.8% | +3.0% |
| MSCI MSCI INC | Services media | 12.4K | $6.7M | 0.8% | -0.9% |
| AWK AMERICAN WATER WORKS CO INC | Utilities | 48.6K | $6.6M | 0.8% | +16.4% |
| IQV IQVIA HOLDINGS INC | Healthcare | 34.3K | $5.9M | 0.7% | -24.8% |
| WCN WASTE CONNECTIONS INC | Utilities | 34.8K | $5.7M | 0.6% | +31.8% |
| CB CHUBB LTD | Financials | 17.3K | $5.7M | 0.6% | -2.0% |
| PEP PEPSICO INC | Consumer staples | 35.4K | $5.5M | 0.6% | +5.6% |
| ODFL OLD DOMINION FREIGHT LINE | Industrials | 26.4K | $5.2M | 0.6% | -0.9% |
| EXC EXELON CORP | Utilities | 98.4K | $4.8M | 0.6% | +1.5% |
| ADBE ADOBE INC | Technology | 19.5K | $4.7M | 0.5% | -34.2% |
| CEG CONSTELLATION ENERGY | Utilities | 15.3K | $4.3M | 0.5% | -20.8% |
| ABT ABBOTT LABORATORIES | Healthcare | 32.4K | $3.3M | 0.4% | +1.1% |
| LRCX LAM RESEARCH CORP | Industrials | 15.4K | $3.3M | 0.4% | -4.5% |
| CVX CHEVRON CORP | Energy | 14.8K | $3.1M | 0.3% | -2.0% |
| WSO WATSCO INC | Consumer discretionary | 7.3K | $2.7M | 0.3% | -2.3% |
| FTV FORTIVE CORP | Technology | 46.6K | $2.6M | 0.3% | -44.5% |
| JNJ JOHNSON & JOHNSON | Healthcare | 10.5K | $2.6M | 0.3% | Held |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 8, 2026 | 164 | $876.9M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Jan 29, 2026 | 163 | $941.8M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Oct 29, 2025 | 166 | $925.3M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 6, 2025 | 161 | $890.3M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 9, 2025 | 156 | $856.0M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 5, 2025 | 158 | $905.1M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Oct 23, 2024 | 166 | $905.0M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 12, 2024 | 164 | $860.7M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 14, 2024 | 167 | $867.1M | canonical | SEC ↗ |
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