Institutional Manager · CIK 0000014661

BROWN BROTHERS HARRIMAN & CO

New York, NY · File #028-00408

Latest AUM

$18.34B

Positions

1,833

Top-10 Concentration

47.9%

Filings

Portfolio Value Over Time

2024-03

2024-06

2024-09

2024-12

2025-03

2025-06

2025-09

2025-12

Biggest QoQ Changes

Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.

Action	Issuer	Ticker / CUSIP	Δ Shares	Flow ($)	Price Effect
NEW	AKRE FOCUS ETF	74316P579	+15,725,379	+$1.03B	$0
NEW	BBH SELECT MID CAP ETF	05528C667	+42,732,062	+$481.6M	$0
NEW	BBH SELECT LARGE CAP ETF	05528C675	+26,411,420	+$425.8M	$0
REDUCE	KLA CORP	KLAC	-152,634	-$185.5M	+$80.0M
REDUCE	ALPHABET INC-CL C	GOOG	-403,702	-$126.7M	+$240.2M
ADD	ISHARES CORE S&P 500 ETF	464287200	+162,752	+$111.5M	+$15.1M
ADD	SERVICENOW INC	NOW	+610,877	+$93.6M	-$96.1M
REDUCE	ADOBE INC	ADBE	-204,769	-$71.7M	-$1.5M
REDUCE	ORACLE CORP	ORCL-PD	-314,654	-$61.3M	-$220.7M
ADD	GMO U.S. QUALITY ETF	90139K100	+1,299,496	+$50.0M	+$2.1M

Sector Allocation

Technology

20.5%$3.76B

Consumer Discretionary

7.0%$1.28B

6.6%$1.21B

6.4%$1.17B

4.2%$779.1M

2.4%$435.9M

2.1%$384.7M

Communication Services

0.6%$115.3M

Real Estate

0.6%$106.3M

Energy

0.5%$97.1M

Utilities

0.1%$9.7M

Filing History

Feb 12, 202613F COMBINATION REPORTQ/E Dec 20251,833 pos · $18.34B
Nov 13, 202513F COMBINATION REPORTQ/E Sep 20251,678 pos · $16.42B
Aug 11, 202513F COMBINATION REPORTQ/E Jun 20251,547 pos · $15.55B
May 14, 202513F COMBINATION REPORTQ/E Mar 20251,304 pos · $14.31B
Feb 12, 202513F COMBINATION REPORTQ/E Dec 20241,458 pos · $14.26B
Nov 13, 202413F COMBINATION REPORTQ/E Sep 20241,420 pos · $14.71B
Aug 9, 202413F HOLDINGS REPORT (Amended)Q/E Jun 20241 pos · $19.2M
Aug 9, 202413F HOLDINGS REPORT (Amended)Q/E Jun 20241 pos · $16.6M
Aug 9, 202413F HOLDINGS REPORT (Amended)Q/E Jun 20241 pos · $19.4M
Aug 9, 202413F COMBINATION REPORTQ/E Jun 20241,144 pos · $13.28B
May 10, 202413F COMBINATION REPORTQ/E Mar 20241,158 pos · $13.01B
Nov 13, 202313F COMBINATION REPORTQ/E Dec 20231,211 pos · $11.31B

Top 20 Holdings — Dec 2025

#	Issuer	Ticker	Shares	Value	% of Portfolio
1	AKRE FOCUS ETF	74316P579	15,725,379	$1.03B	7.11%
2	ALPHABET INC-CL C	GOOG	3,015,402	$946.2M	6.53%
3	MICROSOFT CORP	MSFT	1,863,079	$901.0M	6.22%
4	ISHARES CORE S&P 500 ETF	464287200	1,127,525	$772.3M	5.33%
5	APPLE INC	AAPL	2,331,459	$633.8M	4.37%
6	MASTERCARD INC - A	MA	990,199	$565.3M	3.90%
7	BERKSHIRE HATHAWAY INC-CL B	BRK-A	1,123,985	$565.0M	3.90%
8	KLA CORP	KLAC	433,890	$527.2M	3.64%
9	AMAZON.COM INC	AMZN	2,243,192	$517.8M	3.57%
10	BBH SELECT MID CAP ETF	05528C667	42,732,062	$481.6M	3.32%
11	ORACLE CORP	ORCL-PD	2,241,899	$437.0M	3.02%
12	BBH SELECT LARGE CAP ETF	05528C675	26,411,420	$425.8M	2.94%
13	WASTE MANAGEMENT INC	94106L109	1,650,147	$362.6M	2.50%
14	BOOKING HOLDINGS INC	BKNG	59,896	$320.8M	2.21%
15	LINDE PLC	LIN	726,175	$309.6M	2.14%
16	NVIDIA CORP	NVDA	1,630,247	$304.0M	2.10%
17	APPLIED MATERIALS INC	038222105	1,073,220	$275.8M	1.90%
18	S&P GLOBAL INC	SPGI	521,171	$272.4M	1.88%
19	THERMO FISHER SCIENTIFIC INC	TMO	459,960	$266.5M	1.84%
20	ARTHUR J GALLAGHER & CO	363576109	1,025,195	$265.3M	1.83%