BROWN BROTHERS HARRIMAN & CO
Long book
$18.65B
Q1 2026
Positions
1800
Top-10 weight
34%
concentration
Last quarter
+13.9%
SPY +14.8%
Turnover
12%
of book per quarter
Strategy in plain words
auto-generated from filingsBROWN BROTHERS HARRIMAN & CO is a mechanically diversified allocator, running a $18.65B US long book across 1800 positions.
The portfolio is moderately concentrated (top 10 ≈ 34% of the book). Turnover is modest: positions are typically held for years. Current anchor positions: ISHARES CORE S&P 500 ETF, ALPHABET INC-CL C, MICROSOFT CORP, APPLE INC, AKRE FOCUS ETF.
Over the last 9 quarters its long book ran on average 1.3pp per quarter behind the S&P 500, beating the index in 2 of 9 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
Q1 2024
+2.8%
Q2 2024
+7.3%
Q3 2024
-2.4%
Q4 2024
-0.4%
Q1 2025
+7.5%
Q2 2025
+5.3%
Q3 2025
+0.6%
Q4 2025
-6.0%
Q1 2026
+13.9%
Sector allocation
Technology 32%
Financials 14%
Other 11%
Consumer discretionary 10%
Healthcare 8%
Industrials 7%
Services media 7%
Utilities 4%
Long book by quarter
What does BROWN BROTHERS own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| GOOG ALPHABET INC-CL C | Technology | 2.8M | $810.7M | 4.3% | -6.3% |
| MSFT MICROSOFT CORP | Technology | 1.9M | $720.9M | 3.9% | +4.5% |
| AAPL APPLE INC | Technology | 2.7M | $687.4M | 3.7% | +16.2% |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 1.1M | $545.6M | 2.9% | +1.3% |
| KLAC KLA CORP | Other | 349.9K | $515.2M | 2.8% | -19.4% |
| AMZN AMAZON.COM INC | Consumer discretionary | 2.3M | $475.4M | 2.5% | +1.8% |
| WM WASTE MANAGEMENT INC | Utilities | 1.7M | $379.2M | 2.0% | 0.0% |
| MA MASTERCARD INC - A | Services media | 724.9K | $362.2M | 1.9% | -26.8% |
| LIN LINDE PLC | Materials | 723.7K | $358.8M | 1.9% | -0.3% |
| NVDA NVIDIA CORP | Technology | 1.9M | $331.0M | 1.8% | +16.4% |
| AMAT APPLIED MATERIALS INC | Technology | 879.1K | $300.5M | 1.6% | -18.1% |
| USB US BANCORP | Financials | 5.7M | $298.8M | 1.6% | +5441.0% |
| ORCL ORACLE CORP | Technology | 1.9M | $277.5M | 1.5% | -15.9% |
| PGR PROGRESSIVE CORP | Financials | 1.3M | $258.2M | 1.4% | +25.3% |
| WMT WALMART INC | Consumer discretionary | 1.9M | $240.2M | 1.3% | +2.3% |
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 234.0K | $233.2M | 1.3% | +1.0% |
| LLY ELI LILLY & CO | Healthcare | 245.6K | $225.9M | 1.2% | +33.3% |
| AJG ARTHUR J GALLAGHER & CO | Financials | 1.0M | $223.4M | 1.2% | +0.6% |
| GOOGL ALPHABET INC-CL A | Technology | 589.5K | $169.5M | 0.9% | +8.8% |
| ZTS ZOETIS INC | Healthcare | 1.4M | $167.5M | 0.9% | -15.2% |
| TMO THERMO FISHER SCIENTIFIC INC | Other | 338.6K | $166.4M | 0.9% | -26.4% |
| JPM JPMORGAN CHASE & CO | Financials | 564.6K | $166.1M | 0.9% | +326.0% |
| ALC ALCON INC | Healthcare | 2.1M | $154.6M | 0.8% | -12.4% |
| ROK ROCKWELL AUTOMATION INC | Other | 425.8K | $152.8M | 0.8% | +27053.8% |
| NKE NIKE INC -CL B | Other | 2.9M | $152.1M | 0.8% | +2.7% |
| TXN TEXAS INSTRUMENTS INC | Technology | 774.1K | $150.3M | 0.8% | -7.0% |
| CDNS CADENCE DESIGN SYS INC | Technology | 540.3K | $150.1M | 0.8% | +0.8% |
| MCD MCDONALD'S CORP | Consumer discretionary | 480.2K | $149.2M | 0.8% | +34.9% |
| JNJ JOHNSON & JOHNSON | Healthcare | 601.3K | $147.0M | 0.8% | +59.5% |
| PG PROCTER & GAMBLE CO/THE | Other | 966.5K | $139.6M | 0.7% | +25.3% |
| AVGO BROADCOM INC | Technology | 450.8K | $139.5M | 0.7% | +348.7% |
| SPGI S&P GLOBAL INC | Services media | 319.1K | $135.7M | 0.7% | -38.8% |
| ABT ABBOTT LABORATORIES | Healthcare | 1.2M | $126.3M | 0.7% | -21.1% |
| BKNG BOOKING HOLDINGS INC | Industrials | 29.2K | $122.9M | 0.7% | -51.3% |
| GWRE GUIDEWIRE SOFTWARE INC | Technology | 706.2K | $105.6M | 0.6% | -3.5% |
| KO COCA-COLA CO/THE | Consumer staples | 1.4M | $103.7M | 0.6% | +28.2% |
| ADI ANALOG DEVICES INC | Technology | 323.0K | $102.8M | 0.6% | +22.2% |
| BRK/A BERKSHIRE HATHAWAY INC-CL A | Financials | 137 | $98.4M | 0.5% | Held |
| PANW PALO ALTO NETWORKS INC | Technology | 600.4K | $96.3M | 0.5% | +3651.5% |
| WWD WOODWARD INC | Industrials | 239.4K | $85.7M | 0.5% | -29.4% |
| WSO WATSCO INC | Consumer discretionary | 226.0K | $82.2M | 0.4% | -2.2% |
| V VISA INC-CLASS A SHARES | Services media | 269.1K | $81.3M | 0.4% | -12.5% |
| KEYS KEYSIGHT TECHNOLOGIES IN | Technology | 271.4K | $76.6M | 0.4% | -3.4% |
| DAR DARLING INGREDIENTS INC | Consumer staples | 1.2M | $72.9M | 0.4% | -15.5% |
| WH WYNDHAM HOTELS & RESORTS INC | Services media | 891.7K | $72.4M | 0.4% | +11.8% |
| GFL GFL ENVIRONMENTAL INC-SUB VT | Utilities | 1.7M | $72.1M | 0.4% | -4.2% |
| GXO GXO LOGISTICS INC | Industrials | 1.4M | $70.9M | 0.4% | -3.5% |
| DE DEERE & CO | Industrials | 125.9K | $70.9M | 0.4% | +4.6% |
| PM PHILIP MORRIS INTERNATIONAL | Consumer staples | 410.9K | $67.9M | 0.4% | -8.5% |
| CBRE CBRE GROUP INC - A | Real estate | 490.4K | $66.4M | 0.4% | -17.4% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 14, 2026 | 1800 | $18.65B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 12, 2026 | 1833 | $18.34B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 13, 2025 | 1678 | $16.42B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 11, 2025 | 1547 | $15.55B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 14, 2025 | 1304 | $14.31B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 12, 2025 | 1458 | $14.26B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 13, 2024 | 1420 | $14.71B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 9, 2024 | 1144 | $13.28B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR/ANEW HOLDINGS | Aug 9, 2024 | 1 | $19.4M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 10, 2024 | 1158 | $13.01B | canonical | SEC ↗ |
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