Question 1

Does Brown Brothers Harriman own KLAC stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Brown Brothers Harriman holds 3,031,649 shares of KLAC (KLA), worth $914.7M.

Question 2

How many shares of KLAC does Brown Brothers Harriman own?

Accepted Answer

As of its Q2 2026 13F, Brown Brothers Harriman holds 3,031,649 shares of KLAC (KLA).

Question 3

What is Brown Brothers Harriman's KLAC position worth?

Accepted Answer

As of its Q2 2026 13F, Brown Brothers Harriman's KLAC position is worth $914.7M.

Question 4

Is Brown Brothers Harriman buying or selling KLAC?

Accepted Answer

In Q2 2026, Brown Brothers Harriman increased its KLAC position from 349,901 to 3,031,649 shares.

Question 5

When did Brown Brothers Harriman first buy KLAC?

Accepted Answer

Brown Brothers Harriman already held KLAC in its Q1 2019 13F, the earliest on record, and has listed it in 30 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	3M	+766.4%	$914.7M	4.0%	$301.37	94
2026-Q1	Decreased	349,901	-19.4%	$515.2M	2.8%	$146.89	0
2025-Q4	Decreased	433,890	-26.0%	$527.2M	2.9%	$121.06	0
2025-Q3	Decreased	586,524	-2.1%	$632.6M	3.9%	$107.28	0
2025-Q2	Decreased	599,383	-0.9%	$536.9M	3.5%	$88.90	0
2025-Q1	Decreased	605,039	-1.3%	$411.3M	2.9%	$67.31	0
2024-Q4	Decreased	613,095	-1.4%	$386.3M	2.7%	$62.25	0
2024-Q3	Decreased	621,715	-0.9%	$481.5M	3.3%	$76.29	0