MORGAN STANLEY

CIK

895421

City

NEW YORK

State / Country

Stock

POWI — Power Integrations Inc

Top Portfolio Positions

5,260 positions · $1,251,003,247,930 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
AAPL	Apple Inc. Technology	244,474,722	$62,045,239,682	4.96%
NVDA	Nvidia Corp Technology	342,954,346	$59,811,237,934	4.78%
MSFT	Microsoft Corp Technology	124,881,288	$46,227,306,365	3.70%
AMZN	Amazon Com Inc Consumer Cyclical	173,925,856	$36,223,538,016	2.90%
GOOGL	Alphabet Inc. Communication Services	120,955,598	$34,781,991,748	2.78%
SPY	Spdr S&P 500 ETF Trust	40,502,730	$26,340,545,421	2.11%
AVGO	Broadcom Inc. Technology	75,935,152	$23,502,688,883	1.88%
META	Meta Platforms, Inc. Communication Services	38,078,962	$21,786,116,518	1.74%
JPM	Jpmorgan Chase & Co Financial Services	68,544,442	$20,163,033,047	1.61%
TSLA	Tesla, Inc. Consumer Cyclical	39,177,400	$14,564,198,442	1.16%

Portfolio Trend

25 quarters · across all stocks

Holdings in POWI

Compact Export CSV

Shares Held

Position Value (USD)

25 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$76,900,348	1,501,960	+1.5%	Shares	Defined	2026-05-15
2025-12-31	$52,583,380	1,479,555	+1.4%	Shares	Defined	2026-05-27
2025-09-30	$58,663,850	1,458,937	+6.3%	Shares	Defined	2026-05-27
2025-06-30	$76,716,539	1,372,389	+13.0%	Shares	Defined	2025-08-15
2025-03-31	$61,337,854	1,214,611	-7.1%	Shares	Defined	2025-05-15
2024-12-31	$80,659,353	1,307,283	+5.8%	Shares	Defined	2025-05-15
2024-09-30	$79,233,785	1,235,711	+4.6%	Shares	Defined	2025-05-14
2024-06-30	$82,912,071	1,181,252	+25.0%	Shares	Defined	2025-05-14
2024-03-31	$67,614,457	944,996	-5.9%	Shares	Defined	2024-10-17
2023-12-31	$82,486,550	1,004,586	+9.0%	Shares	Defined	2024-08-16
2023-09-30	$70,328,815	921,620	+2.6%	Shares	Defined	2023-11-15
2023-06-30	$85,025,677	898,127	-6.3%	Shares	Defined	2023-08-14
2023-03-31	$81,130,989	958,542	-6.4%	Shares	Defined	2023-05-15
2022-12-31	$73,475,914	1,024,483	+109.7%	Shares	Defined	2023-02-14
2022-09-30	$31,425,655	488,583	-3.1%	Shares	Defined	2022-11-14
2022-06-30	$37,821,013	504,213	+207.5%	Shares	Defined	2022-10-27
2022-03-31	$15,197,572	163,979	-59.6%	Shares	Defined	2022-10-27
2021-12-31	$37,693,737	405,789	+17.2%	Shares	Defined	2022-02-14
2021-09-30	$34,266,571	346,162	-2.9%	Shares	Defined	2021-11-15
2021-06-30	$29,249,627	356,442	+26.1%	Shares	Defined	2021-08-23
2021-03-31	$23,031,135	282,660	+9.7%	Shares	Defined	2021-05-17
2020-12-31	$21,085,006	257,574	+46.1%	Shares	Defined	2021-02-16
2020-09-30	$9,767,018	176,300	+58.1%	Shares	Defined	2020-11-13
2020-06-30	$6,587,635	111,532	-12.6%	Shares	Defined	2020-08-14
2020-03-31	$5,638,851	127,677	—	Shares	Defined	2020-05-26
No 13F history on record for this holder in this stock.