BROWN BROTHERS HARRIMAN & CO
Top Portfolio Positions
1,432 positions ·
$13,534,033,154 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| MSFT |
Microsoft Corp
Technology
|
1,947,381 | $720,862,024 | 5.33% | |
| AAPL |
Apple Inc.
Technology
|
2,708,731 | $687,448,840 | 5.08% | |
| BRK-B |
Berkshire Hathaway Inc
Financial Services
|
1,138,587 | $545,610,890 | 4.03% | |
| KLAC |
Kla Corp
Technology
|
349,901 | $515,197,731 | 3.81% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
2,282,640 | $475,405,432 | 3.51% | |
| WM |
Waste Management Inc
Industrials
|
1,650,235 | $379,207,500 | 2.80% | |
| MA |
Mastercard Inc
Financial Services
|
724,865 | $362,186,045 | 2.68% | |
| LIN |
Linde PLC
Basic Materials
|
723,725 | $358,793,906 | 2.65% | |
| NVDA |
Nvidia Corp
Technology
|
1,898,205 | $331,046,952 | 2.45% | |
| AMAT |
Applied Materials Inc /De
Technology
|
879,089 | $300,463,829 | 2.22% |
Portfolio Trend
25 quarters · across all stocks
Holdings in OBT
Shares Held
Position Value (USD)
5 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,698,280 | 84,374 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $2,408,877 | 84,374 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $2,127,068 | 84,374 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $2,180,224 | 84,374 | Shares | Sole | 2025-08-11 | |
| 2022-06-30 | $11,504 | 606 | Shares | Sole | 2022-08-11 | |
| No 13F history on record for this holder in this stock. | ||||||