Robeco Schweiz AG

Position in POWI — Power Integrations Inc

CIK 1418427 ZURICH, V8

Back to POWI Full portfolio

Position in POWI

as of Jun 30, 2026 · filed Jul 28, 2026 Compact

Position Value

$112,272,239

+$67,719,535 QoQ

Shares Held

1,340,404

+54.0% QoQ

Ownership

2.40%

of shares outstanding

% of Portfolio

1.80%

of 13F equity value

Holder Rank

#12

of 372 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in POWI Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

Robeco Schweiz AG holds $1,513,187,431 across 14 Semiconductors names. POWI ranks #7 (7.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ARM	Arm Holdings PLC /Uk	827,366	$293,359,162
2	MRVL	Marvell Technology, Inc.	960,706	$286,184,710
3	ADI	Analog Devices Inc	527,512	$209,511,941
4	ON	On Semiconductor Corp	1,722,056	$162,803,174
5	LSCC	Lattice Semiconductor Corp	909,862	$139,172,491
6	MPWR	Monolithic Power Systems, Inc.	96,033	$132,752,177
7	POWI	Power Integrations Inc This page	1,340,404	$112,272,239
8	STM	STMicroelectronics N.V.	538,880	$40,356,723

All Filings in POWI

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$112,272,239	1,340,404	+54.0%	Shares	Sole	2026-07-28
2026-03-31	$44,552,704	870,170	+38.7%	Shares	Sole	2026-05-07
2025-12-31	$22,300,425	627,474	+0.4%	Shares	Sole	2026-02-03
2025-09-30	$25,140,819	625,238	-3.1%	Shares	Defined	2025-10-27
2025-06-30	$36,058,854	645,060	-4.3%	Shares	Defined	2025-08-07
2025-03-31	$34,053,564	674,328	+1.6%	Shares	Defined	2025-04-30
2024-12-31	$40,968,800	664,000	-5.8%	Shares	Defined	2025-02-05
2024-09-30	$45,204,600	705,000	-8.5%	Shares	Defined	2024-11-04
2024-06-30	$54,090,519	770,630	-8.8%	Shares	Defined	2024-08-08
2024-03-31	$60,437,569	844,690	-11.6%	Shares	Defined	2024-04-25
2023-12-31	$78,457,336	955,515	-9.0%	Shares	Defined	2024-02-14
2023-09-30	$80,155,642	1,050,395	-1.0%	Shares	Defined	2023-11-08
2023-06-30	$100,491,731	1,061,495	-11.1%	Shares	Defined	2023-08-14
2023-03-31	$101,102,056	1,194,495	+0.0%	Shares	Defined	2023-05-08
2022-12-31	$85,649,458	1,194,220	0.0%	Shares	Defined	2023-02-07
2022-09-30	$76,812,230	1,194,220	+1.5%	Shares	Sole	2022-11-10
2022-06-30	$88,260,516	1,176,650	0.0%	Shares	Sole	2022-08-03
2022-03-31	$109,051,922	1,176,650	+49.3%	Shares	Sole	2022-05-13
2021-12-31	$73,197,320	788,000	-4.3%	Shares	Sole	2022-02-08
2021-09-30	$81,542,121	823,741	-30.5%	Shares	Sole	2021-10-13
2021-06-30	$97,241,100	1,185,000	-12.2%	Shares	Sole	2021-07-15
2021-03-31	$109,998,000	1,350,000	+8.0%	Shares	Sole	2021-05-04
2020-12-31	$102,325,000	1,250,000	+4.9%	Shares	Sole	2021-02-16
2020-09-30	$66,036,800	1,192,000	+80.9%	Shares	Sole	2020-10-13
2020-06-30	$77,847,670	659,000	+0.8%	Shares	Sole	2020-07-07
2020-03-31	$57,767,820	654,000	—	Shares	Sole	2020-04-10
No filing history on record for this holder in this stock.