Question 1

How many shares of KLAC does BROWN BROTHERS HARRIMAN & CO own?

Accepted Answer

As of 2026-Q1, BROWN BROTHERS HARRIMAN & CO holds 349,901 shares of KLAC (KLA CORP).

Question 2

What is BROWN BROTHERS HARRIMAN & CO's KLAC position worth?

Accepted Answer

As of 2026-Q1, BROWN BROTHERS HARRIMAN & CO's KLAC position is worth $515.2M.

Question 3

Is BROWN BROTHERS HARRIMAN & CO buying or selling KLAC?

Accepted Answer

In 2026-Q1, BROWN BROTHERS HARRIMAN & CO decreased their KLAC position (-19.4% change in shares).

Question 4

When did BROWN BROTHERS HARRIMAN & CO first buy KLAC?

Accepted Answer

Based on available 13F filings, BROWN BROTHERS HARRIMAN & CO first reported a position in KLAC in 2024-Q2. They have held the position across 29 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price
2026-Q1 Latest	Decreased	349,901	-19.4%	$515.2M	2.8%	$1,441.35
2025-Q4	Decreased	433,890	-26.0%	$527.2M	2.9%	$1,243.65
2025-Q3	Decreased	586,524	-2.1%	$632.6M	3.9%	$1,062.35
2025-Q2	Decreased	599,383	-0.9%	$536.9M	3.5%	$886.45
2025-Q1	Decreased	605,039	-1.3%	$411.3M	2.9%	$669.40
2024-Q4	Decreased	613,095	-1.4%	$386.3M	2.7%	$628.27
2024-Q3	Decreased	621,715	-0.9%	$481.5M	3.3%	$773.62
2024-Q2	Decreased	627,081	-1.5%	$517M	3.9%	$813.77