GLW Value Scorecard - Corning Inc.

Value Scorecard · run 2026-10-18

13 value checks: 12 scored 1 to 5, plus moat evidence

28/60

low-moderate value score

Earnings & returns

EPS Trend

3/5

Diluted EPS: $1.54 (2022), $0.68 (2023), $0.58 (2024), $1.83 (2025). It ended above 2022 but did not rise in 2 of 3 years; the framework scores that as 3.

ROE Trend

2/5

ROE (net income / common equity): 11.0% (2022), 5.0% (2023), 4.7% (2024), 13.5% (2025). Median 8.0%, lowest 4.7%; the framework scores a median 5-10% as 2.

ROIC

2/5

ROIC of 9.0%: operating income of $2.28B divided by $25.35B of capital (total assets $30.98B minus current liabilities $5.63B), fiscal year to Dec 31, 2025, as filed in the 10-K (SEC EDGAR). The framework scores 5-10% as 2.

Profit Margins

4/5

Net margin of 11.2%; the framework scores 10-20% as 4; gross margin 36.4%, operating margin 15.6%.

Balance sheet & cash

Debt-to-Equity

4/5

Debt-to-equity of 0.71; the framework scores 0.3-0.8 as 4 (total debt $9.38B, total cash $2.50B).

Free Cash Flow

4/5

Free cash flow (operating cash flow minus capital expenditure): $1.01B (2022), $615.00M (2023), $974.00M (2024), $1.41B (2025). It rose every year but one and ended above 2022; the framework scores that as 4.

Retained Earnings

2/5

Retained earnings, as filed in the 10-Ks (SEC EDGAR): $16.78B (2022), $16.39B (2023), $15.93B (2024), $16.55B (2025). It ended at or below 2022; the framework scores that as 2.

Valuation models

Graham IV

2/5

IV = EPS x (8.5 + 2g) x (4.4 / Y) = $2.18 x (8.5 + 2 x 20.0) x (4.4 / 4.5) = $103.38 (EPS CAGR 64.0% capped at 20%). Current price $132.00; price is 27.7% above the model value.

DCF Value

1/5

FCF/share = $0.854, stage 1 growth = 11.4% for 5 years, terminal growth = 3%, discount rate = 10%. Stage 1 PV = $4.44, PV of terminal value = $13.39, DCF value = $17.83. Current price $132.00; price is 640.3% above the model value.

Margin of Safety

1/5

Graham value $103.38 (price is 27.7% above the model value); DCF value $17.83 (price is 640.3% above the model value).

Price-to-Book

1/5

P/B of 9.52; the framework scores above 5.0 as 1.

Business quality

Moat Evidence

Not scored

A moat (a brand, a network, switching costs, patents, scale, a licence) is not a number in the filings, so Valerius doesn’t score it. Below are the figures and the words moat analysis starts from, from the company’s own 10-K filings. The conclusion is yours.

Return on capital, each year

Above 15% in 0 of 10 years (2016-2025); lowest 1.9%, highest 9.0%.

Gross margin, each year

Between 31.2% and 40.1% over 10 years (a range of 8.9 points).

Competition, in the company’s own words · 10-K filed Feb 12, 2026

We compete with many large and varied manufacturers, both domestic and foreign. Some of these competitors are larger than we are, and some have broader product lines. We strive to maintain and improve our market position through technology and product innovation. For the foreseeable future, our competitive advantage lies in our commitment to research and development, deep customer relationships, reliability of

The opening of the company’s “Competition” section in its 10-K, quoted word for word, not summarized or edited. It is the company’s own description, not Valerius’s view, and may include the company’s expectations. Open the filing.

Return on capital = operating income / (total assets − current liabilities), the ROIC row’s definition; 15% is the framework’s return threshold. Gross margin = gross profit / revenue. Both from each year’s 10-K via SEC EDGAR. Moat analysis commonly looks at whether returns and margins held up over many years. These figures don’t say whether the company has an advantage, what it is, or whether it will last.

Capital Allocation

2/5

Capital allocation, 2022-2025: dividends or buybacks paid in every year (pass); $5.47B paid out against $4.01B of free cash flow (fail: paid out more than free cash flow); total debt $7.82B to $9.38B, up 20.0%, 2.5x EBITDA (fail: up more than 10% and above 2x EBITDA); shares outstanding 0.82B to 0.86B, up 4.2% (fail: up more than 2%). 1 of 4 tests passed; the framework scores that as 2.

Filings

Company notices to the SEC

Not scored

Three kinds of event the company reported to the SEC in the last 5 years, from its filings on SEC EDGAR.

These are events the company reported to the SEC. An auditor change or a late filing can have many causes; each date links to the filing, where the company explains it. Valerius does not score these.

How the Graham and DCF values were calculated

  Graham Formula:
    IV = EPS x (8.5 + 2g) x (4.4 / Y)
    EPS = $2.18, g = 20.0%, Y = 4.5
    g capped at 20.0% (3-year EPS CAGR was 64.0%)
    IV = $103.38
    Current price $132.00 vs Graham value $103.38 — price is 27.7% above the model value.

  DCF:
    FCF/share = $0.854
    Stage 1 growth = 11.4% for 5 years | terminal growth = 3.0% | discount rate = 10.0%
      Y1: $0.952 → PV $0.865
      Y2: $1.060 → PV $0.876
      Y3: $1.181 → PV $0.887
      Y4: $1.316 → PV $0.899
      Y5: $1.466 → PV $0.910
    Stage 1 PV sum = $4.44
    Terminal value at end of Y5 = $21.57
    PV of terminal value = $13.39
    DCF value = $17.83
    Current price $132.00 vs DCF value $17.83 — price is 640.3% above the model value.

Data from yfinance summary figures and financial statements, and from the company’s 10-K filings via SEC EDGAR; computed at a price of $132.00. Every score is calculated from the figures by the framework’s fixed rules, and the explanation beside it is generated from the same figures: Graham value, DCF value, margin of safety, ROIC, profit margins, debt-to-equity, price-to-book, EPS trend, ROE trend, free cash flow, retained earnings and capital allocation. No AI is involved in this scorecard. The moat is shown as evidence, without a score. Read each score with the figures beside it. Intrinsic value calculations are model outputs based on stated assumptions, not predictions.

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