Robeco Institutional Asset Management B.V.

Position in KLAC — Kla Corp

CIK 1418773 ROTTERDAM, P7

Back to KLAC Full portfolio

Position in KLAC

as of Jun 30, 2026 · filed Jul 21, 2026 Compact

Position Value

$808,857,959

+$361,960,911 QoQ

Shares Held

2,680,912

+783.3% QoQ

Ownership

2.05%

of shares outstanding

% of Portfolio

1.02%

of 13F equity value

Holder Rank

of 1,060 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 44% Shared 0% None 56%

Common Shares in KLAC Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

Robeco Institutional Asset Management B.V. holds $3,252,235,914 across 8 Semiconductor Equipment & Materials names. KLAC ranks #2 (24.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AMAT	Applied Materials Inc /De	1,963,208	$1,419,399,384
2	KLAC	Kla Corp This page	2,680,912	$808,857,959
3	LRCX	Lam Research Corp	1,835,997	$795,592,580
4	TER	Teradyne, Inc	430,651	$208,366,179
5	Q	Qnity Electronics, Inc.	71,142	$11,618,200
6	ONTO	Onto Innovation Inc.	12,428	$4,703,376
7	FORM	Formfactor Inc	16,116	$2,577,431
8	AMBA	Ambarella Inc	13,063	$1,120,805

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	$808,857,959	2,680,912	+783.3%	Shares	Defined	2026-07-21
2026-03-31	$446,897,048	303,514	+1.8%	Shares	Defined	2026-04-21
2025-12-31	$362,177,680	298,069	+1.9%	Shares	Defined	2026-01-23
2025-09-30	$315,574,630	292,578	+35.8%	Shares	Defined	2025-10-22
2025-06-30	$192,993,453	215,457	+128.4%	Shares	Defined	2025-07-18
2025-03-31	$64,136,410	94,346	-8.7%	Shares	Defined	2025-04-23
2024-12-31	$65,144,956	103,385	-12.6%	Shares	Defined	2025-01-23
2024-09-30	$91,632,837	118,326	+30.6%	Shares	Defined	2024-10-29
2024-06-30	$74,681,642	90,577	-4.1%	Shares	Defined	2024-07-23
2024-03-31	$65,985,525	94,458	-5.9%	Shares	Defined	2024-04-24
2023-12-31	$58,320,666	100,328	+6.3%	Shares	Defined	2024-02-14
2023-09-30	$43,306,677	94,420	+0.8%	Shares	Defined	2023-10-24
2023-06-30	$45,412,422	93,630	+19.8%	Shares	Defined	2023-07-24
2023-03-31	$31,201,123	78,165	+37.0%	Shares	Defined	2023-05-04
2022-12-31	$21,508,430	57,047	-11.1%	Shares	Defined	2023-02-07
2022-09-30	$19,418,859	64,167	+13.4%	Shares	Defined	2022-12-01
2022-06-30	$18,057,694	56,593	+5.2%	Shares	Defined	2022-12-01
2022-03-31	$19,690,733	53,791	-15.3%	Shares	Defined	2022-12-01
2021-12-31	$27,308,114	63,491	-9.2%	Shares	Defined	2022-12-01
2021-09-30	$23,380,910	69,896	-5.4%	Shares	Defined	2022-12-01
2021-06-30	$23,944,853	73,856	+5.5%	Shares	Defined	2022-12-01
2021-03-31	$23,123,704	69,987	+2.4%	Shares	Defined	2022-12-01
2020-12-31	$17,689,249	68,322	-49.5%	Shares	Defined	2022-12-01
2020-09-30	$26,227,939	135,377	+41.2%	Shares	Defined	2021-01-19
2020-06-30	$18,649,270	95,893	+98.7%	Shares	Defined	2021-01-19
2020-03-31	$6,938,473	48,271	—	Shares	Defined	2021-01-19
No filing history on record for this holder in this stock.