Question 1

How many shares of KLAC does PARNASSUS INVESTMENTS, LLC own?

Accepted Answer

As of 2026-Q2, PARNASSUS INVESTMENTS, LLC holds 4.4M shares of KLAC (KLA CORP).

Question 2

What is PARNASSUS INVESTMENTS, LLC's KLAC position worth?

Accepted Answer

As of 2026-Q2, PARNASSUS INVESTMENTS, LLC's KLAC position is worth $1.3B.

Question 3

Is PARNASSUS INVESTMENTS, LLC buying or selling KLAC?

Accepted Answer

In 2026-Q2, PARNASSUS INVESTMENTS, LLC increased their KLAC position (+717.9% change in shares).

Question 4

When did PARNASSUS INVESTMENTS, LLC first buy KLAC?

Accepted Answer

Based on available 13F filings, PARNASSUS INVESTMENTS, LLC first reported a position in KLAC in 2024-Q3. They have held the position across 26 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	4.4M	+717.9%	$1.3B	3.5%	$301.71	94
2026-Q1	Decreased	538,364	-13.7%	$792.7M	2.3%	$1,441.35	0
2025-Q4	Decreased	623,664	-13.4%	$757.8M	2.0%	$1,243.65	0
2025-Q3	Increased	720,458	+10.0%	$777.1M	1.8%	$1,062.35	55
2025-Q2	Decreased	655,060	-2.3%	$586.8M	1.4%	$886.45	0
2025-Q1	Decreased	670,441	-8.6%	$455.8M	1.1%	$669.40	0
2024-Q4	Increased	733,328	+381.3%	$462.1M	1.0%	$628.27	80
2024-Q3	Decreased	152,361	-0.8%	$118M	0.3%	$773.62	0