PARNASSUS INVESTMENTS, LLC

Position in KLAC — Kla Corp

CIK 948669 San Francisco, CA

Back to KLAC Full portfolio

Position in KLAC

as of Jun 30, 2026 · filed Jul 29, 2026 Compact

Position Value

$1,328,450,551

+$535,758,014 QoQ

Shares Held

4,403,071

-18.2% QoQ

Ownership

0.337%

of shares outstanding

% of Portfolio

3.55%

of 13F equity value

Holder Rank

#45

of 2,481 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 96% Shared 0% None 4%

Common Shares in KLAC Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

PARNASSUS INVESTMENTS, LLC holds $3,279,555,327 across 5 Semiconductor Equipment & Materials names. KLAC ranks #2 (40.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AMAT	Applied Materials Inc /De	2,531,747	$1,830,453,081
2	KLAC	Kla Corp This page	4,403,071	$1,328,450,551
3	LRCX	Lam Research Corp	185,517	$80,390,081
4	TER	Teradyne, Inc	78,406	$37,935,959
5	ASML	Asml Holding NV	1,169	$2,325,655

All Filings in KLAC

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,328,450,551	4,403,071	+717.9%	Shares	Sole	2026-07-29
2026-03-31	$792,692,537	538,364	-13.7%	Shares	Sole	2026-05-12
2025-12-31	$757,801,653	623,664	-13.4%	Shares	Sole	2026-02-12
2025-09-30	$777,085,998	720,458	+10.0%	Shares	Sole	2025-10-24
2025-06-30	$586,763,444	655,060	-2.3%	Shares	Sole	2025-08-06
2025-03-31	$455,765,791	670,441	-8.6%	Shares	Sole	2025-05-15
2024-12-31	$462,084,639	733,328	+381.3%	Shares	Sole	2025-02-10
2024-09-30	$117,989,882	152,361	-0.8%	Shares	Sole	2024-11-08
2024-06-30	$126,617,527	153,567	-6.2%	Shares	Sole	2024-08-06
2024-03-31	$114,309,104	163,633	-45.6%	Shares	Sole	2024-05-09
2023-12-31	$174,712,621	300,555	-2.6%	Shares	Sole	2024-02-12
2023-09-30	$141,472,759	308,448	0.0%	Shares	Sole	2023-11-08
2023-06-30	$149,603,448	308,448	-10.3%	Shares	Sole	2023-07-31
2023-03-31	$137,269,772	343,888	-21.8%	Shares	Sole	2023-05-01
2022-12-31	$165,740,125	439,594	+64.5%	Shares	Sole	2023-01-30
2022-09-30	$80,880,893	267,260	+0.4%	Shares	Sole	2022-11-14
2022-06-30	$84,900,487	266,079	-47.0%	Shares	Sole	2022-08-05
2022-03-31	$183,818,127	502,153	-10.4%	Shares	Sole	2022-05-11
2021-12-31	$241,091,278	560,534	-17.1%	Shares	Sole	2022-02-11
2021-09-30	$226,293,004	676,491	0.0%	Shares	Sole	2021-11-16
2021-06-30	$219,325,147	676,491	-18.8%	Shares	Sole	2021-08-05
2021-03-31	$275,157,780	832,802	-7.2%	Shares	Sole	2021-05-06
2020-12-31	$232,382,599	897,542	-1.4%	Shares	Sole	2021-02-10
2020-09-30	$176,386,708	910,430	+10.7%	Shares	Sole	2020-11-13
2020-06-30	$160,004,530	822,730	+11.5%	Shares	Sole	2020-08-12
2020-03-31	$106,101,106	738,146	—	Shares	Sole	2020-05-01
No filing history on record for this holder in this stock.