PRIMECAP MANAGEMENT CO/CA/

Position in GLW — Corning Inc /Ny

CIK 763212 PASADENA, CA

Back to GLW Full portfolio

Position in GLW

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$562,204,948

+$199,866,608 QoQ

Shares Held

4,134,772

-0.1% QoQ

Ownership

0.480%

of shares outstanding

% of Portfolio

0.46%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 97.9829601245244.ToString("F0")% Shared 0.ToString("F0")% None 2.0170398754756005.ToString("F0")%

Common Shares in GLW Over Time

Shares Held

Position Value (USD)

Position in Electronic Components

Technology · as of Mar 31, 2026

PRIMECAP MANAGEMENT CO/CA/ holds $3,360,841,701 across 5 Electronic Components names. GLW ranks #3 (16.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	FLEX	Flex Ltd.	25,383,448	$1,661,600,506
2	JBL	Jabil Inc	3,281,169	$871,576,921
3	GLW	Corning Inc /Ny This page	4,134,772	$562,204,948
4	OLED	Universal Display Corp \Pa\	2,187,428	$200,499,650
5	OSIS	Osi Systems Inc	244,660	$64,959,676

All Filings in GLW

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$562,204,948	4,134,772	-0.1%	Shares	Sole	2026-05-11
2025-12-31	$362,338,340	4,138,172	-10.0%	Shares	Sole	2026-02-11
2025-09-30	$377,368,515	4,600,372	-7.7%	Shares	Sole	2025-11-12
2025-06-30	$262,128,123	4,984,372	-39.6%	Shares	Sole	2025-08-11
2025-03-31	$377,766,122	8,251,772	-0.9%	Shares	Sole	2025-05-09
2024-12-31	$395,635,933	8,325,672	-2.7%	Shares	Sole	2025-02-10
2024-09-30	$386,417,132	8,558,519	-0.0%	Shares	Sole	2024-11-08
2024-06-30	$332,634,438	8,562,019	-1.8%	Shares	Sole	2024-08-09
2024-03-31	$287,481,042	8,722,119	+0.5%	Shares	Sole	2024-05-14
2023-12-31	$264,270,038	8,678,819	-1.0%	Shares	Sole	2024-02-09
2023-09-30	$267,060,987	8,764,719	-0.6%	Shares	Sole	2023-11-13
2023-06-30	$308,846,729	8,814,119	-1.1%	Shares	Sole	2023-08-11
2023-03-31	$314,341,942	8,909,919	-2.2%	Shares	Sole	2023-05-15
2022-12-31	$291,098,572	9,113,919	-1.3%	Shares	Sole	2023-02-13
2022-09-30	$268,043,781	9,236,519	-1.2%	Shares	Sole	2022-11-14
2022-06-30	$294,625,400	9,350,219	-5.1%	Shares	Sole	2022-08-11
2022-03-31	$363,796,734	9,856,319	-1.6%	Shares	Sole	2022-05-11
2021-12-31	$372,900,110	10,016,119	-5.7%	Shares	Sole	2022-02-11
2021-09-30	$387,615,718	10,622,519	-3.6%	Shares	Sole	2021-11-12
2021-06-30	$450,472,068	11,013,987	-6.3%	Shares	Sole	2021-08-10
2021-03-31	$511,643,879	11,759,225	-5.5%	Shares	Sole	2021-05-14
2020-12-31	$447,873,300	12,440,925	-2.9%	Shares	Sole	2021-02-08
2020-09-30	$415,320,375	12,814,575	-5.1%	Shares	Sole	2020-11-13
2020-06-30	$349,776,262	13,504,875	-3.3%	Shares	Sole	2020-08-13
2020-03-31	$286,744,048	13,960,275	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.