When did GLW join the S&P 500?

Corning Inc. joined the S&P 500 index on 1995-02-27.

What sector is GLW in?

GLW is in the Information Technology sector, Electronic Components industry.

GLW — Corning Inc.

Name: GLW Institutional Holdings (13F) — 2026Q1
Creator: SEC EDGAR
License: https://www.sec.gov/data

Electronic Components · Information Technology

S&P 500 Timeline

1995-02-27Joined S&P 500

Corning, Inc. engages in providing glass for laptop computers, tablet desktop displays, display televisions, and other information display applications; carrier network and enterprise network products for the telecommunications industry; ceramic substrates for gasoline and diesel engines for the automotive and heavy-duty vehicle markets; laboratory products for the scientific community; and polymer products for biotechnology applications. Optical materials for the semiconductor industry and scientific community, and polysilicon products and other technologies. It operates through the following business segments: Display Technologies, Optical Communications, Environmental Technologies, Specialty Materials, and Life Sciences. The Display Technologies segment produces glass substrates for flat panel displays, including organic light-emitting diode and liquid crystal displays, primarily used in televisions, laptop computers, desktop monitors, tablets, and handheld devices. The Optical Communications segment is divided into two primary product groups: Carrier Networks and Enterprise Networks. The Carrier Networks group primarily consists of products and solutions based on optical communication infrastructure for services such as video, data, and voice communications. The Enterprise Networks group primarily consists of optical-based communication networks sold to businesses, governments, and individuals. The Environmental Technologies segment produces ceramic substrates and filter products for emission control in mobile and stationary applications. The Specialty Materials segment engages in manufacturing products that provide material formulations for glass, glass-ceramics, and crystals, as well as precision metrology instruments and software. The Life Sciences segment develops, manufactures, and supplies laboratory products.

Key Facts

Status	Active
Sector	Information Technology
Industry	Electronic Components
Joined	1995-02-27
Tenure	31 yrs

Industry Peers

APH COHR

Sector Peers

AAPL ACN ADBE ADI ADSK AKAM AMAT AMD ANET APH

Institutional Holdings (13F)

2,238 institutions hold GLW, totaling 759.2M shares ($92.5B) · As of 2026Q1

Rank	Institution	Shares	Value
1	VANGUARD CAPITAL MANAGEMENT LLC	100.9M	$13.7B
2	BlackRock, Inc.	66.7M	$9.1B
3	STATE STREET CORP	36.3M	$4.9B
4	MORGAN STANLEY	46.3M	$4.7B
5	VANGUARD PORTFOLIO MANAGEMENT LLC	28.3M	$3.8B
6	FMR LLC	24.9M	$3.4B
7	Capital Research Global Investors	21.8M	$3.0B
8	GEODE CAPITAL MANAGEMENT, LLC	21.0M	$2.8B
9	BANK OF AMERICA CORP /DE/	14.5M	$2.0B
10	STATE FARM MUTUAL AUTOMOBILE INSURANCE CO	13.4M	$1.8B

View all holders →

Data source: Wikipedia · CC BY-SA 4.0 · SEC EDGAR 13F · Updated 2026-07-10