GLW vs. STX: Corning vs. Seagate Stock Comparison

November 11, 2026

How do Corning (GLW) and Seagate (STX) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Corning (GLW) and Seagate (STX) both fall under the Technology Hardware & Equipment industry group, but GLW is classified in Electronic Equipment, Instruments & Components while STX is classified in Technology Hardware, Storage & Peripherals.

Company profile comparison for Corning (GLW) and Seagate (STX)
Profile Item	GLW	STX
Name	Corning Incorporated	Seagate Technology Holdings plc
Country/Region	United States	Singapore
GICS Sector	Information Technology	Information Technology
GICS Industry Group	Technology Hardware & Equipment	Technology Hardware & Equipment
GICS Industry	Electronic Equipment, Instruments & Components	Technology Hardware, Storage & Peripherals
GICS Sub-Industry	Electronic Components	Technology Hardware, Storage & Peripherals
Market Capitalization	91.42 billion USD	105.83 billion USD
Currency	USD	USD
Exchange	NYSE	Nasdaq
Listing Date	December 31, 1981	December 11, 2002
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

GLW

STX

GSPC

Corning (GLW) vs. Seagate (STX), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Corning (GLW) and Seagate (STX). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Corning (GLW) and Seagate (STX). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Corning (GLW) and Seagate (STX)
Metric	GLW	STX
Total Return (1Y)	35.36%	83.77%
Total Return (3Y, Annualized)	65.24%	95.95%
Total Return (5Y, Annualized)	27.74%	42.73%

Risk Profile

Drawdown History

GLW

STX

GSPC

Corning (GLW) vs. Seagate (STX), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Corning (GLW) and Seagate (STX). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Seagate (STX) carries a highly aggressive beta of 2.24, indicating much higher sensitivity to broad-market moves, whereas Corning (GLW) is closer to market-like at 1.25 — a noticeable difference in market-sensitivity profile.

Risk profile metrics for Corning (GLW) and Seagate (STX)
Metric	GLW	STX
Volatility (1Y, Annualized)	76.20%	76.96%
Beta (5Y)	1.25	2.24
Max Drawdown (5Y)	-59.47%	-57.80%
Avg. Volume (3M)	9.07M	4.72M

Risk-Adjusted Performance

Risk-Return Positioning

GLW and STX are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Corning (GLW) and Seagate (STX)
Metric	GLW	STX
Sharpe Ratio (1Y)	0.41	1.03
Sortino Ratio (1Y)	0.60	1.51

Profitability

ROE (TTM)

Seagate (STX) at 259.35% clears its industry range for ROE, a sharper capital-efficiency signal than Corning (GLW) at 17.88%, which is closer to a typical peer reading.

GLW

Technology Hardware & Equipment industry group

17.88%

Max: 42.47%
Q3: 19.13%
GLW: 17.88%
Median: 11.00%
Q1: 1.63%
Min: -20.62%

STX

Technology Hardware & Equipment industry group

259.35%

STX: 259.35%
Max: 42.47%
Q3: 19.13%
Median: 11.00%
Q1: 1.63%
Min: -20.62%

Corning (GLW) vs. Seagate (STX): A comparison of their ROE against the Technology Hardware & Equipment industry group benchmark.

Net Margin (TTM)

Seagate (STX) at 31.86% keeps the most of each sales dollar — above its industry’s net margin range — and Corning (GLW) at 12.13% also retains a top-quartile share.

GLW

Technology Hardware & Equipment industry group

12.13%

Max: 27.60%
GLW: 12.13%
Q3: 11.66%
Median: 4.08%
Q1: 0.00%
Min: -11.02%

STX

Technology Hardware & Equipment industry group

31.86%

STX: 31.86%
Max: 27.60%
Q3: 11.66%
Median: 4.08%
Q1: 0.00%
Min: -11.02%

Corning (GLW) vs. Seagate (STX): A comparison of their net margin against the Technology Hardware & Equipment industry group benchmark.

Operating Margin (TTM)

Seagate (STX) at 48.85% shows unusually strong operating efficiency — above its industry’s operating margin range — and Corning (GLW) at 18.95% also operates in the top quartile.

GLW

Technology Hardware & Equipment industry group

18.95%

Max: 36.27%
GLW: 18.95%
Q3: 18.36%
Median: 8.84%
Q1: 1.46%
Min: -21.39%

STX

Technology Hardware & Equipment industry group

48.85%

STX: 48.85%
Max: 36.27%
Q3: 18.36%
Median: 8.84%
Q1: 1.46%
Min: -21.39%

Corning (GLW) vs. Seagate (STX): A comparison of their operating margin against the Technology Hardware & Equipment industry group benchmark.

Profitability Metrics

Profitability metrics for Corning (GLW) and Seagate (STX)
Metric	GLW	STX
ROE (TTM)	17.88%	259.35%
ROA (TTM)	5.80%	37.21%
Net Margin (TTM)	12.13%	31.86%
Operating Margin (TTM)	18.95%	48.85%
Gross Margin (TTM)	36.48%	50.35%

Growth

Revenue Growth

Seagate (STX) at 34.06% sits in the top revenue growth quartile, while Corning (GLW) at 19.14% is closer to the peer norm — faster top-line expansion for STX.

Corning (GLW) vs. Seagate (STX): A comparison of their Revenue Growth across different time periods.

EPS Growth

Both companies show strong earnings momentum, but Corning (GLW) at 215.52% is the standout with EPS growth above its industry range; Seagate (STX) at 105.32% also sits in the top quartile.

Corning (GLW) vs. Seagate (STX): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Corning (GLW) and Seagate (STX)
Metric	GLW	STX
Revenue Growth (YoY)	19.14%	34.06%
Revenue Growth (3Y CAGR)	3.27%	18.20%
EPS Growth (YoY)	215.52%	105.32%
EPS Growth (3Y CAGR)	5.92%	--

Financial Strength

Current Ratio (MRQ)

Both Corning (GLW) at 1.72 and Seagate (STX) at 1.82 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

GLW

Technology Hardware & Equipment industry group

1.72

Max: 5.34
Q3: 3.02
Median: 1.95
GLW: 1.72
Q1: 1.32
Min: 0.17

STX

Technology Hardware & Equipment industry group

1.82

Max: 5.34
Q3: 3.02
Median: 1.95
STX: 1.82
Q1: 1.32
Min: 0.17

Corning (GLW) vs. Seagate (STX): A comparison of their current ratio against the Technology Hardware & Equipment industry group benchmark.

Debt / Equity (MRQ)

Both Corning (GLW) at 0.64 and Seagate (STX) at 0.77 fund their balance sheets with roughly industry-typical debt-to-equity mixes.

GLW

Technology Hardware & Equipment industry group

0.64

Max: 1.76
Q3: 0.78
GLW: 0.64
Median: 0.24
Q1: 0.04
Min: 0.01

STX

Technology Hardware & Equipment industry group

0.77

Max: 1.76
Q3: 0.78
STX: 0.77
Median: 0.24
Q1: 0.04
Min: 0.01

Corning (GLW) vs. Seagate (STX): A comparison of their debt-to-equity ratio against the Technology Hardware & Equipment industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Corning (GLW) and Seagate (STX)
Metric	GLW	STX
Current Ratio (MRQ)	1.72	1.82
Debt / Equity (MRQ)	0.64	0.77
Net Debt / EBITDA	1.49	0.24

Dividends

Dividend Yield (TTM)

Seagate (STX) at 0.63% earns its spot in the top quartile of its industry’s yields; Corning (GLW) at 1.08% is past the top of its own peer range — territory where a dividend-safety check matters more than the headline number.

GLW

Technology Hardware & Equipment industry group

1.08%

GLW: 1.08%
Max: 0.73%
Q3: 0.31%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

STX

Technology Hardware & Equipment industry group

0.63%

Max: 0.73%
STX: 0.63%
Q3: 0.31%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Corning (GLW) vs. Seagate (STX): A comparison of their dividend yield against the Technology Hardware & Equipment industry group benchmark.

Dividend Payout Ratio (TTM)

Both pay out more than their industries’ typical bands, and GLW more so: Seagate (STX) at 15.52% sits above the band, while Corning (GLW) at 45.34% exceeds every peer in its group.

GLW

Technology Hardware & Equipment industry group

45.34%

GLW: 45.34%
Max: 32.27%
Q3: 14.48%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

STX

Technology Hardware & Equipment industry group

15.52%

Max: 32.27%
STX: 15.52%
Q3: 14.48%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Corning (GLW) vs. Seagate (STX): A comparison of their payout ratio against the Technology Hardware & Equipment industry group benchmark.

Dividend Metrics

Dividend metrics for Corning (GLW) and Seagate (STX)
Metric	GLW	STX
Dividend Yield (TTM)	1.08%	0.63%
Dividend Payout Ratio (TTM)	45.34%	15.52%

Valuation

P/E Ratio (TTM)

Seagate (STX) at 24.17 is near its industry’s usual P/E ratio, while Corning (GLW) at 42.97 sits in the richer quartile — GLW needs stronger growth or earnings quality to justify the premium.

GLW

Technology Hardware & Equipment industry group

42.97

Max: 69.48
GLW: 42.97
Q3: 41.02
Median: 26.39
Q1: 19.36
Min: 6.07

STX

Technology Hardware & Equipment industry group

24.17

Max: 69.48
Q3: 41.02
Median: 26.39
STX: 24.17
Q1: 19.36
Min: 6.07

Corning (GLW) vs. Seagate (STX): A comparison of their P/E ratio against the Technology Hardware & Equipment industry group benchmark.

P/S Ratio (TTM)

Corning (GLW) at 5.16 is priced about in line with its industry on P/S ratio, while Seagate (STX) at 7.67 sits in the pricier quartile — STX costs more per dollar of sales.

GLW

Technology Hardware & Equipment industry group

5.16

Max: 11.30
Q3: 5.82
GLW: 5.16
Median: 2.56
Q1: 1.05
Min: 0.00

STX

Technology Hardware & Equipment industry group

7.67

Max: 11.30
STX: 7.67
Q3: 5.82
Median: 2.56
Q1: 1.05
Min: 0.00

Corning (GLW) vs. Seagate (STX): A comparison of their P/S ratio against the Technology Hardware & Equipment industry group benchmark.

P/B Ratio (MRQ)

Both look rich against book: Corning (GLW) at 7.03 sits in the upper P/B ratio quartile, and Seagate (STX) at 30.67 prices even higher, above its industry range.

GLW

Technology Hardware & Equipment industry group

7.03

Max: 10.75
GLW: 7.03
Q3: 5.52
Median: 3.17
Q1: 1.79
Min: 0.33

STX

Technology Hardware & Equipment industry group

30.67

STX: 30.67
Max: 10.75
Q3: 5.52
Median: 3.17
Q1: 1.79
Min: 0.33

Corning (GLW) vs. Seagate (STX): A comparison of their P/B ratio against the Technology Hardware & Equipment industry group benchmark.

Valuation Metrics

Valuation metrics for Corning (GLW) and Seagate (STX)
Metric	GLW	STX
P/E Ratio (TTM)	42.97	24.17
P/S Ratio (TTM)	5.16	7.67
P/B Ratio (MRQ)	7.03	30.67
Free Cash Flow Yield (TTM)	0.95%	2.17%