GLW (Corning) Insider Ownership: 0.65 % (As of Aug. 11, 2026)

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GLW Corning Inc GLW
73 GF Score
Price $157.76
GF Value $63.90
Valuation Significantly Overvalued
! 2 Warning Signs
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What is Corning Insider Ownership?

Corning GLW -4.78% 73 Insider Ownership is 0.65 % as of Aug. 11, 2026. GuruFocus rates GLW with a GF Score™ of 73/100 and a GF Value™ of $63.90 (Significantly Overvalued). The stock has 2 warning signs investors should review.

Insider ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Corning's insider ownership is 0.65%.

Institutional Ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, Corning's Institutional Ownership is 70.81%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, Corning's Float Percentage Of Total Shares Outstanding is 88.42%.

Corning Insider Ownership Historical Data

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The historical data trend for Corning's Insider Ownership can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Corning Insider Ownership Chart

Corning Historical Data

The historical data trend for Corning can be seen below:

2025-07-31 2025-08-31 2025-09-30 2025-10-31 2025-11-30 2026-01-31 2026-02-28 2026-05-31 2026-06-30 2026-07-31
Insider Ownership 0.68 0.67 0.66 0.65 0.65 0.64 0.63 0.66 0.66 0.65
GLW
73GF Score
Corning Inc GLW
Insider Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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Corning Insider Ownership Calculation

The percentage of shares that are owned by company insiders relative to the total shares outstanding.

Frequently Asked Questions Learn more about Insider Ownership →
What does a Insider Ownership of 0.65 % mean?
Corning (GLW) has a Insider Ownership of 0.65 % as of Aug. 11, 2026. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on Corning and its competitors.
Is Corning's Insider Ownership too high?
Corning's current Insider Ownership is 0.65 %. Overall, Corning has a GF Score™ of 73/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Corning's Insider Ownership compare to APH and TEL?
Corning's Insider Ownership of 0.65 % can be compared against companies in the Hardware industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Insider Ownership for a Hardware company?
A good Insider Ownership depends on the Hardware industry context. However, Insider Ownership should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Insider Ownership mean?
A high Insider Ownership can signal that a stock is expensive relative to its fundamentals. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on Corning and its competitors. Corning's current Insider Ownership is 0.65 %. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Corning stock overvalued right now?
Based on GuruFocus' analysis, Corning (GLW) is currently considered Significantly Overvalued. The stock's GF Value™ is $63.90, compared to a current price of $157.76 — trading 146.9% above its estimated fair value. The current Insider Ownership is 0.65 %. Corning's overall GF Score™ is 73/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Insider Ownership calculated?
Insider Ownership is calculated from a company's financial statements. For Corning (GLW), the current Insider Ownership is 0.65 % as of Aug. 11, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Corning (GLW) Overvalued in 2026?

Based on GuruFocus' analysis, Corning stock appears to be overvalued. The current stock price of $157.76 is trading 146.9% above its estimated GF Value™ of $63.90. GuruFocus considers Corning to be Significantly Overvalued.

Key valuation signals for GLW:

  • Insider Ownership: 0.65 %
  • GF Value™: $63.90 vs. price of $157.76 (146.9% above fair value)
  • GF Score™: 73/100 with 2 warning signs

No single metric tells the full story. See the GLW stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Corning Business Description

Address One Riverfront Plaza, Corning, NY, USA, 14831
Corning is a provider of glass, ceramics, and optical fiber across six distinct end markets. Corning's largest segments by revenue are display glass for TVs and optical fiber for telecom networks and data centers. It also provides cover glass for smartphones as well as filters and substrates and glass for cars, produces pharmaceutical glass, and produces polysilicon for solar panels. Corning is a US producer and is vertically integrated across its products and markets.
73GF Score

Get the complete analysis for GLW

Insider Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$157.76
Price
$63.90
GF Value