MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in POWI — Power Integrations Inc

CIK 912938 Boston, MA

Position in POWI

as of Jun 30, 2026 · filed Aug 3, 2026 Compact

Position Value

$64,300,205

+$61,703,441 QoQ

Shares Held

767,672

+2020.2% QoQ

Ownership

1.37%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#23

of 372 holders

Holding Since

Mar 2021

9 quarters on record

Voting authority Sole 76% Shared 19% None 5%

Technology · as of Jun 30, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $31,779,658,313 across 33 Semiconductors names. POWI ranks #18 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NVDA	Nvidia Corp	62,506,436	$12,506,912,773
2	AVGO	Broadcom Inc.	12,084,090	$4,564,764,994
3	TSM	Taiwan Semiconductor Manufacturing Co Ltd	9,510,209	$4,541,790,507
4	ADI	Analog Devices Inc	5,399,929	$2,144,689,796
5	NXPI	NXP Semiconductors N.V.	6,458,702	$1,815,089,020
6	MU	Micron Technology Inc	1,356,814	$1,566,156,828
7	TXN	Texas Instruments Inc	4,646,473	$1,384,974,204
8	AMD	Advanced Micro Devices Inc	2,321,366	$1,348,504,719

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$64,300,205	767,672	+2020.2%	Shares	Defined	2026-08-03
2022-12-31	$2,596,764	36,207	-1.0%	Shares	Sole	2023-02-13
2022-09-30	$2,353,082	36,584	+1.7%	Shares	Sole	2022-11-09
2022-06-30	$2,698,034	35,969	-2.0%	Shares	Sole	2022-08-09
2022-03-31	$3,401,726	36,704	+64.3%	Shares	Sole	2022-05-11
2021-12-31	$2,074,604	22,334	+4.3%	Shares	Sole	2022-02-10
2021-09-30	$2,120,464	21,421	+0.4%	Shares	Sole	2021-11-10
2021-06-30	$1,750,093	21,327	+291.5%	Shares	Sole	2021-08-13
2021-03-31	$443,903	5,448	—	Shares	Sole	2021-05-13
No filing history on record for this holder in this stock.