BROWN BROTHERS HARRIMAN & CO

CIK
14661
City
NEW YORK
State / Country
NY

Top Portfolio Positions

1,429 positions · $12,987,919,834 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio
MSFT
Microsoft Corp
Technology
1,947,381 $720,862,024 5.55%
AAPL
Apple Inc.
Technology
2,708,731 $687,448,840 5.29%
KLAC
Kla Corp
Technology
349,901 $515,197,731 3.97%
AMZN
Amazon Com Inc
Consumer Cyclical
2,282,640 $475,405,432 3.66%
WM
Waste Management Inc
Industrials
1,650,235 $379,207,500 2.92%
MA
Mastercard Inc
Financial Services
724,865 $362,186,045 2.79%
LIN
Linde PLC
Basic Materials
723,725 $358,793,906 2.76%
NVDA
Nvidia Corp
Technology
1,898,205 $331,046,952 2.55%
AMAT
Applied Materials Inc /De
Technology
879,089 $300,463,829 2.31%
USB
US Bancorp \De\
Financial Services
5,745,120 $298,803,691 2.30%

Portfolio Trend

32 quarters · across all stocks

Holdings in KLAC

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Shares Held

Position Value (USD)

22 of 22 shown
Report Date Value (USD) Shares
2026-03-31 $515,197,731 349,901
2025-12-31 $527,211,061 433,890
2025-09-30 $632,624,786 586,524
2025-06-30 $536,891,328 599,383
2025-03-31 $411,305,512 605,039
2024-12-31 $386,323,421 613,095
2024-09-30 $481,462,313 621,715
2024-06-30 $517,034,555 627,081
2023-06-30 $370,878,303 764,666
2023-03-31 $289,278,898 724,701
2022-12-31 $308,410,540 818,000
2022-09-30 $250,826,401 828,822
2022-06-30 $263,749,613 826,594
2022-03-31 $256,315,944 700,202
2021-12-31 $247,620,778 575,715
2021-09-30 $195,347,818 583,982
2021-06-30 $172,962,144 533,488
2021-03-31 $180,685,187 546,868
2020-12-31 $272,943,698 1,054,203
2020-09-30 $212,808,859 1,098,425
2020-06-30 $227,821,456 1,171,439
2020-03-31 $176,762,971 1,229,741