How many stocks does BROWN BROTHERS HARRIMAN & CO own?

As of Q1 2026, BROWN BROTHERS HARRIMAN & CO holds 1,800 positions in their 13F portfolio.

What is BROWN BROTHERS HARRIMAN & CO's largest holding?

IVV at 6.1% of portfolio, worth $1.1B.

What is BROWN BROTHERS HARRIMAN & CO's total portfolio value?

$18.6B as of Q1 2026, tracked across 1,800 holdings.

Is BROWN BROTHERS HARRIMAN & CO a hedge fund?

BROWN BROTHERS HARRIMAN & CO is an institutional investment manager required to file SEC 13F reports. This includes hedge funds, mutual funds, pension funds, and other institutions managing over $100M.

How often does BROWN BROTHERS HARRIMAN & CO report?

13F filings are due quarterly, approximately 45 days after each quarter end.

How has BROWN BROTHERS HARRIMAN & CO's portfolio changed in Q1 2026?

View BROWN BROTHERS HARRIMAN & CO's latest portfolio changes, new positions, and exits for Q1 2026 on HoldingsIntel.

What is BROWN BROTHERS HARRIMAN & CO's investment strategy?

BROWN BROTHERS HARRIMAN & CO is classified as a Steady Compounder fund based on HoldingsIntel's Fund DNA analysis of 6 behavioral dimensions.

HoldingsIntel

BROWN BROTHERS HARRIMAN & CO Holdings Q1 2026 - Portfolio & Conviction Scores | HoldingsIntel

BROWN BROTHERS HARRIMAN & CO

Institutional investor · Portfolio as of Q1 2026

SEC EDGAR SourceSEC Filings

$18.6B

AUM

1,800

Positions

Q1 2026

Filing

Rating · 2.5

Quarterly Portfolio Change

Activity profile

$ moved · Q1'26

New1%Increased56%Decreased43%Exited0%

Composition

Equity vs derivatives

Equity100%Puts0%Calls0%

Holding period

Avg 4.6 years

<1Q3%1-4Q14%1-2Y8%2Y+75%

Q1 2026 Summary

Active quarter - 97 new positions, 130 exits, 709 increased. Top move: IVV (INCREASED, conviction 87). Portfolio: $18.6B across 1800 positions.

Portfolio Allocation

Top holdings by portfolio weight

IVV6.09%

GOOG4.35%

MSFT3.87%

AAPL3.69%

AKRE3.40%

BRK/B2.93%

KLAC2.76%

AMZN2.55%

BBHM2.48%

BBHL2.25%

Other2.07%

Position Outcomes

Best and worst performing positions by estimated return

Top Winners

KLAC29Q held

KLA CORP

Avg $205.35 · $565.1M est. P&L

Est. P&L

+786.53%

OPEN4Q held

OPENDOOR TECHNOLOGIES INC

Avg $0.56 · $3,705 est. P&L

Est. P&L

+682.14%

LUMN9Q held

LUMEN TECHNOLOGIES INC

Avg $1.57 · $33,913 est. P&L

Est. P&L

+539.39%

Top Losers

Upgrade to Pro to see the worst-performing positions.

View plans

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

Top Holdings1,800 positions

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Activity:

Stock	Shares	Value	Weight	Price Trend	Avg Buy	Est. P&L	Held	Conviction
IVV ETF ISHARES TR	1.7M	$1.1B	6.1%	—	$571.39	+29.94%	29 qtrssince 2019-Q1	Increased 87
GOOG ALPHABET INC	2.8M	$810.7M	4.3%	—	$95.40	+312.17%	29 qtrssince 2019-Q1	Decreased 0
MSFT MICROSOFT CORP	1.9M	$720.9M	3.9%	—	$281.95	+51.54%	29 qtrssince 2019-Q1	Increased 61
AAPL APPLE INC	2.7M	$687.4M	3.7%	—	$169.11	+77.53%	29 qtrssince 2019-Q1	Increased 67
AKRE ETF PROFESIONALLY MANAGED PORTFO	12M	$633.9M	3.4%	—	$66.10	-19.61%	2 qtrssince 2025-Q4	Decreased 0
BRK/B BERKSHIRE HATHAWAY INC DEL	1.1M	$545.6M	2.9%	—	$205.01	+132.84%	29 qtrssince 2019-Q1	Increased 54
KLAC KLA CORP	349,901	$515.2M	2.8%	—	$205.35	+786.53%	29 qtrssince 2019-Q1	Decreased 0
AMZN AMAZON COM INC	2.3M	$475.4M	2.5%	—	$124.11	+112.82%	29 qtrssince 2019-Q1	Increased 55
BBHM ETF BBH TR	42M	$462.7M	2.5%	—	—	—	2 qtrssince 2025-Q4	Decreased 0
BBHL ETF BBH TR	28M	$420.2M	2.3%	—	—	—	2 qtrssince 2025-Q4	Increased 57
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