Brown Brothers Harriman & Co holds a diversified book of 1800 stocks worth $18.6B as of Q1 2026 (disclosed May 14, 2026, a ~45-day 13F lag). This quarter they opened Golub Capital BDC Inc and trimmed Alphabet Inc-CL C. Their largest long position is Ishares Core S&P 500 ETF at 6% of the equity book.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/14661/holdings"
Use Arkolith to show BROWN BROTHERS HARRIMAN & CO's latest holdings, largest changes, and filing provenance.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
76% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Ishares Core S&P 500 ETF Common Stock | $1.1B | 1.74M | 6.1% | ▲+54% Added · +610K sh | |
| 2 | Alphabet Inc-CL C Common Stock | $810.7M | 2.83M | 4.3% | ▼−6.3% Reduced · −189K sh | |
| 3 | Microsoft Corp Common Stock | $720.9M | 1.95M | 3.9% | ▲+4.5% Added · +84K sh | |
| 4 | Apple Inc Common Stock | $687.4M | 2.71M | 3.7% | ▲+16% Added · +377K sh | |
| 5 | Akre Focus ETF Common Stock | $633.9M | 11.99M | 3.4% | ▼−24% Reduced · −3.7M sh | |
| 6 | Berkshire Hathaway Inc-CL B Common Stock | $545.6M | 1.14M | 2.9% | ▲+1.3% Added · +15K sh | |
| 7 | Kla Corp Common Stock | $515.2M | 349.9K | 2.8% | ▼−19% Reduced · −84K sh | |
| 8 | Amazon.com Inc Common Stock | $475.4M | 2.28M | 2.5% | ▲+1.8% Added · +39K sh | |
| 9 | BBH Select Mid Cap ETF Common Stock | $462.7M | 42.03M | 2.5% | ▼−1.6% Reduced · −704K sh | |
| 10 | BBH Select Large Cap ETF Common Stock | $420.2M | 27.97M | 2.3% | ▲+5.9% Added · +1.6M sh | |
| 11 | Ishares Core Msci Eafe ETF Common Stock | $386.5M | 4.27M | 2.1% | ▲+44% Added · +1.3M sh | |
| 12 | Waste Management Inc Common Stock | $379.2M | 1.65M | 2.0% | ▲~0% Added · +88 sh | |
| 13 | Mastercard Inc - A Common Stock | $362.2M | 724.9K | 1.9% | ▼−27% Reduced · −265K sh | |
| 14 | Linde PLC Common Stock | $358.8M | 723.7K | 1.9% | ▼−0.3% Reduced · −2K sh | |
| 15 | Nvidia Corp Common Stock | $331.0M | 1.90M | 1.8% | ▲+16% Added · +268K sh | |
| 16 | Applied Materials Inc Common Stock | $300.5M | 879.1K | 1.6% | ▼−18% Reduced · −194K sh | |
| 17 | US Bancorp Common Stock | $298.8M | 5.75M | 1.6% | ▲55× Added · +5.6M sh | |
| 18 | GMO U.S. Quality ETF Common Stock | $292.7M | 8.09M | 1.6% | ▲+261% Added · +5.8M sh | |
| 19 | Oracle Corp Common Stock | $277.5M | 1.89M | 1.5% | ▼−16% Reduced · −355K sh | |
| 20 | Progressive Corp Common Stock | $258.2M | 1.30M | 1.4% | ▲+25% Added · +263K sh | |
| 21 | Eagle Capital Select Eqty Common Stock | $249.9M | 8.22M | 1.3% | ▲+243% Added · +5.8M sh | |
| 22 | Walmart Inc Common Stock | $240.2M | 1.93M | 1.3% | ▲+2.3% Added · +43K sh | |
| 23 | Costco Wholesale Corp Common Stock | $233.2M | 234.0K | 1.3% | ▲+1.0% Added · +2K sh | |
| 24 | Eli Lilly & Co Common Stock | $225.9M | 245.6K | 1.2% | ▲+33% Added · +61K sh | |
| 25 | Arthur J Gallagher & Co Common Stock | $223.4M | 1.03M | 1.2% | ▲+0.6% Added · +6K sh | |
| 26 | Alphabet Inc-CL A Common Stock | $169.5M | 589.5K | 0.9% | ▲+8.8% Added · +48K sh | |
| 27 | State Street SPDR S&P 500 ETF Trust CL Usd Inc Common Stock | $167.7M | 257.9K | 0.9% | ▲+1.1% Added · +3K sh | |
| 28 | Zoetis Inc Common Stock | $167.5M | 1.42M | 0.9% | ▼−15% Reduced · −254K sh | |
| 29 | Thermo Fisher Scientific Inc Common Stock | $166.4M | 338.6K | 0.9% | ▼−26% Reduced · −121K sh | |
| 30 | JPMorgan Chase & Co Common Stock | $166.1M | 564.6K | 0.9% | ▲+326% Added · +432K sh | |
| 31 | Alcon Inc Common Stock | $154.6M | 2.05M | 0.8% | ▼−12% Reduced · −290K sh | |
| 32 | Rockwell Automation Inc Common Stock | $152.8M | 425.8K | 0.8% | ▲272× Added · +424K sh | |
| 33 | Nike Inc -CL B Common Stock | $152.1M | 2.88M | 0.8% | ▲+2.7% Added · +75K sh | |
| 34 | Texas Instruments Inc Common Stock | $150.3M | 774.1K | 0.8% | ▼−7.0% Reduced · −59K sh | |
| 35 | Cadence Design Sys Inc Common Stock | $150.1M | 540.3K | 0.8% | ▲+0.8% Added · +4K sh | |
| 36 | McDonalds Corp Common Stock | $149.2M | 480.2K | 0.8% | ▲+35% Added · +124K sh | |
| 37 | Johnson & Johnson Common Stock | $147.0M | 601.3K | 0.8% | ▲+60% Added · +224K sh | |
| 38 | Procter & Gamble Co Common Stock | $139.6M | 966.5K | 0.7% | ▲+25% Added · +195K sh | |
| 39 | Broadcom Inc Common Stock | $139.5M | 450.8K | 0.7% | ▲+349% Added · +350K sh | |
| 40 | S&P Global Inc Common Stock | $135.7M | 319.1K | 0.7% | ▼−39% Reduced · −202K sh | |
| 41 | Abbott Laboratories Common Stock | $126.3M | 1.23M | 0.7% | ▼−21% Reduced · −328K sh | |
| 42 | Booking Holdings Inc Common Stock | $122.9M | 29.2K | 0.7% | ▼−51% Reduced · −31K sh | |
| 43 | Ishares Russell 2000 ETF ETF Common Stock | $119.9M | 483.3K | 0.6% | ▲+284% Added · +357K sh | |
| 44 | Guidewire Software Inc Common Stock | $105.6M | 706.2K | 0.6% | ▼−3.5% Reduced · −25K sh | |
| 45 | Coca-Cola Co Common Stock | $103.7M | 1.36M | 0.6% | ▲+28% Added · +300K sh | |
| 46 | Analog Devices Inc Common Stock | $102.8M | 323.0K | 0.6% | ▲+22% Added · +59K sh | |
| 47 | Berkshire Hathaway Inc-CL A Common Stock | $98.4M | 137 | 0.5% | —Held | |
| 48 | Palo Alto Networks Inc Common Stock | $96.3M | 600.4K | 0.5% | ▲38× Added · +584K sh | |
| 49 | Woodward Inc Common Stock | $85.7M | 239.4K | 0.5% | ▼−29% Reduced · −100K sh | |
| 50 | Watsco Inc Common Stock | $82.2M | 226.0K | 0.4% | ▼−2.2% Reduced · −5K sh |
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 14, 2026 | 1,800 | $18.6B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 12, 2026 | 1,833 | $18.3B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 13, 2025 | 1,678 | $16.4B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 11, 2025 | 1,547 | $15.6B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 14, 2025 | 1,304 | $14.3B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 12, 2025 | 1,458 | $14.3B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 13, 2024 | 1,420 | $14.7B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Aug 9, 2024 | 1,144 | $13.3B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | Aug 9, 2024 | 1,159 | $13.0B | 13F-HR/A |
| Q4 2023 | Dec 31, 2023 | Aug 9, 2024 | 1,149 | $12.0B | 13F-HR/A |
| Q3 2023 | Sep 30, 2023 | Aug 9, 2024 | 1,212 | $11.3B | 13F-HR/A |
| Q2 2023 | Jun 30, 2023 | Aug 7, 2023 | 1,219 | $12.4B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | May 11, 2023 | 1,262 | $11.9B | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Feb 9, 2023 | 1,247 | $11.4B | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 14, 2022 | 1,547 | $10.8B | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 11, 2022 | 1,337 | $11.7B | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 13, 2022 | 1,275 | $14.1B | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Feb 14, 2022 | 1,176 | $17.8B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 15, 2021 | 1,169 | $16.9B | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Aug 13, 2021 | 1,175 | $17.0B | 13F-HR |
| Q1 2021 | Mar 31, 2021 | May 13, 2021 | 1,129 | $15.7B | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.