Compare Stocks › STX vs TXN

Seagate Technology Holdings plc (STX) vs Texas Instruments Incorporated (TXN): Which Is the Better Buy in 2026?

As of 2026-11-01, STX is undervalued at $645, with a DCF intrinsic value of $1047 and a margin of safety of 38%. TXN is undervalued at $301, with an intrinsic value of $391 and a margin of safety of 23%. Of the two, STX has the wider margin of safety.

STX
Seagate Technology Holdings plc
$644.58
VS
TXN
Texas Instruments Incorporated
$300.84

Rewards

STX
  • ★Free cash flow has grown at a 70.5% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • ★Each dollar of retained earnings has created $12.33 of earning power — management is an exceptional capital allocator.
  • ★Trailing P/E of 33.8x is 27% below the historical average of 46.0x — potentially undervalued relative to its own history.
TXN
  • ★Texas Instruments Incorporated has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
  • ★Gross margin of 60.2% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • ★Return on equity has consistently exceeded 20% over 4 years, indicating efficient use of shareholder capital.

Risks

STX
  • ⚠FCF yield of 2.1% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • ⚠28 insider sales totaling $326.3M with no purchases in the past 3 months — insiders are reducing their exposure.
TXN
  • ⚠Buybacks have been poorly timed — 3 out of 4 years involved repurchases at relatively expensive valuations.
  • ⚠FCF yield of 1.7% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • ⚠Trailing P/E of 39.0x is 44% above the historical average of 27.1x — the stock trades at a premium to its own history.

Key Valuation Metrics

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STX
TXN
Valuation
$3.10B
Free Cash Flow
$4.78B
2.10%
FCF Yield
1.74%
33.80
Trailing P/E
39.02
9.82
Forward P/E
26.11
Quality & Moat
86.95%
ROIC
23.82%
259.35%
ROE
39.72%
50.35%
Gross Margin
60.24%
0.37
PEG Ratio
0.91
Balance Sheet Safety
0.41
Net Debt / Equity
0.28
N/A
Interest Coverage
N/A
0.24
Net Debt / EBITDA
0.51
0.47%
Dividend Yield
2.02%
STX: 7Ties: 1TXN: 4
STXTXN

Historical Fundamentals

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STX

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

TXN

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

$1 Retained Earnings Test

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STX
$40.59
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$3.17B
Δ Market Cap
+$128.61B
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
TXN
$3.91
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$1.96B
Δ Market Cap
+$7.67B
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer

Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer

Discounted Cash Flow (DCF) Analysis

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STX
38.5% Margin of Safety
Price is 38.5% below estimated fair value
Current Price: $644.58
Fair Value: $1047.32
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
TXN
11.3% Margin of Safety
Price is 11.3% below estimated fair value
Current Price: $300.84
Fair Value: $339.26
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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STX

What growth rate is the market pricing in at $645?

+19.3%
Market-Implied Owner Earnings Growth
Standard FCF implies +19.7%

The market implies +19.3% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding +19.7%, reflecting heavy growth investment expected to generate future returns.

TXN

What growth rate is the market pricing in at $301?

+21.8%
Market-Implied Owner Earnings Growth
Standard FCF implies +22.4%

The market implies +21.8% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +22.4%, reflecting heavy growth investment.

Economic Moat Score

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STX
41/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with reinvestment efficiency as the key competitive advantage. Improving margin stability would strengthen the moat.

Composite score measuring competitive advantage durability across four dimensions: returns above cost of capital, pricing power stability, revenue predictability, and capital efficiency. Based on 4 years of fundamental data.
TXN
48/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with roic consistency as the key competitive advantage. Improving reinvestment efficiency would strengthen the moat.

Composite score measuring competitive advantage durability across four dimensions: returns above cost of capital, pricing power stability, revenue predictability, and capital efficiency. Based on 4 years of fundamental data.

Forensic Accounting

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STX
-2.24
Unlikely Manipulator
Above -1.78 = likely manipulator · -2.22 to -1.78 = grey zone

M-Score Trend

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.
TXN
-2.67
Unlikely Manipulator
Above -1.78 = likely manipulator · -2.22 to -1.78 = grey zone

M-Score Trend

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.

Ownership Breakdown

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STX
Insiders 0.3%Institutions 84.4%Retail & Other 15.3%
No. of Institutional Holders2,607
High insider ownership aligns management incentives with shareholders — a key signal in Buffett-style analysis. Institutional concentration can indicate smart-money conviction but also crowding risk.
TXN
Insiders 0.3%Institutions 91.9%Retail & Other 7.9%
No. of Institutional Holders3,691
High insider ownership aligns management incentives with shareholders — a key signal in Buffett-style analysis. Institutional concentration can indicate smart-money conviction but also crowding risk.

High insider ownership aligns management incentives with shareholders. Institutional concentration can indicate smart-money conviction but also crowding risk.

Insider Buying Activity

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STX
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
TXN
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises

Open market purchases · includes direct & indirect ownership · excludes option exercises.

Insider Selling Activity

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STX
28
Sells (3M)
70
Sells (12M)
Total value (12M): $532.11M
LEE JAMES CI
Officer
$351,411
@ $642.43 · 2026-10-23
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$8.21M
@ $877.91 · 2026-09-21
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$11.94M
@ $772.18 · 2026-09-15
MOSLEY WILLIAM D
Chief Executive Officer
$75.58M
@ $772.15 · 2026-09-15
ROMANO GIANLUCA
Chief Financial Officer
$38.60M
@ $772.17 · 2026-09-15
TEH BAN-SENG
Officer
$41.24M
@ $782.08 · 2026-09-15
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$384,952
@ $782.42 · 2026-09-14
MOSLEY WILLIAM D
Chief Executive Officer
$1.46M
@ $781.54 · 2026-09-14
ROMANO GIANLUCA
Chief Financial Officer
$4.68M
@ $841.95 · 2026-09-14
TEH BAN-SENG
Officer
$770,431
@ $779.00 · 2026-09-14
ROMANO GIANLUCA
Chief Financial Officer
$38.10M
@ $830.01 · 2026-09-11
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$493,355
@ $862.51 · 2026-09-10
MOSLEY WILLIAM D
Chief Executive Officer
$2.46M
@ $862.21 · 2026-09-10
ROMANO GIANLUCA
Chief Financial Officer
$1.16M
@ $862.13 · 2026-09-10
TEH BAN-SENG
Officer
$570,240
@ $860.09 · 2026-09-10
CONYERS YOLANDA LEE
Director
$611,332
@ $815.11 · 2026-09-01
MOSLEY WILLIAM D
Chief Executive Officer
$24.49M
@ $816.28 · 2026-09-01
LEE JAMES CI
Officer
$7.16M
@ $794.84 · 2026-08-24
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$3.42M
@ $847.67 · 2026-08-21
MOSLEY WILLIAM D
Chief Executive Officer
$15.41M
@ $849.38 · 2026-08-21
ROMANO GIANLUCA
Chief Financial Officer
$7.71M
@ $849.38 · 2026-08-21
LEE JAMES CI
Officer
$3.35M
@ $849.52 · 2026-08-21
TEH BAN-SENG
Officer
$8.41M
@ $852.97 · 2026-08-21
TEH BAN-SENG
Officer
$5.10M
@ $842.97 · 2026-08-20
TEH BAN-SENG
Officer
$6.78M
@ $920.80 · 2026-08-13
ROMANO GIANLUCA
Chief Financial Officer
$743,706
@ $845.12 · 2026-08-07
ROMANO GIANLUCA
Chief Financial Officer
$5.66M
@ $781.64 · 2026-08-07
ROMANO GIANLUCA
Chief Financial Officer
$11.43M
@ $811.25 · 2026-08-07
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$137,384
@ $817.76 · 2026-08-03
MOSLEY WILLIAM D
Chief Executive Officer
$10.38M
@ $803.47 · 2026-08-03
MOSLEY WILLIAM D
Chief Executive Officer
$14.13M
@ $827.30 · 2026-08-03
LEE JAMES CI
Officer
$608,950
@ $877.45 · 2026-07-30
LEE JAMES CI
Officer
$490,741
@ $905.43 · 2026-07-23
MOSLEY WILLIAM D
Chief Executive Officer
$18.81M
@ $910.48 · 2026-07-01
MOSLEY WILLIAM D
Chief Executive Officer
$8.64M
@ $924.42 · 2026-07-01
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$1.20M
@ $880.19 · 2026-06-12
MOSLEY WILLIAM D
Chief Executive Officer
$1.56M
@ $880.31 · 2026-06-12
ROMANO GIANLUCA
Chief Financial Officer
$795,029
@ $880.43 · 2026-06-12
TEH BAN-SENG
Officer
$870,508
@ $880.19 · 2026-06-12
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$471,426
@ $822.73 · 2026-06-10
MOSLEY WILLIAM D
Chief Executive Officer
$2.35M
@ $821.96 · 2026-06-10
ROMANO GIANLUCA
Chief Financial Officer
$1.11M
@ $822.06 · 2026-06-10
TEH BAN-SENG
Officer
$544,893
@ $821.86 · 2026-06-10
ARUMUGAVELU SHANKAR
Director
$927,680
@ $927.68 · 2026-06-04
BHATT PRATIK
Director
$929,880
@ $929.88 · 2026-06-02
CONYERS YOLANDA LEE
Director
$663,998
@ $885.33 · 2026-06-01
MOSLEY WILLIAM D
Chief Executive Officer
$14.60M
@ $900.21 · 2026-06-01
MOSLEY WILLIAM D
Chief Executive Officer
$12.75M
@ $924.99 · 2026-06-01
MOSLEY WILLIAM D
Chief Executive Officer
$22.54M
@ $751.29 · 2026-05-20
TEH BAN-SENG
Officer
$12.69M
@ $815.42 · 2026-05-14
ROMANO GIANLUCA
Chief Financial Officer
$1.46M
@ $770.00 · 2026-05-07
ROMANO GIANLUCA
Chief Financial Officer
$17.41M
@ $774.22 · 2026-05-06
TILENIUS STEPHANIE SCHEAR
Director
$1.21M
@ $766.61 · 2026-05-05
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$4.15M
@ $738.37 · 2026-05-04
LEE JAMES CI
Officer
$516,595
@ $741.17 · 2026-05-04
MOSLEY WILLIAM D
Chief Executive Officer
$8.41M
@ $420.73 · 2026-04-01
MOSLEY WILLIAM D
Chief Executive Officer
$10.00M
@ $406.77 · 2026-03-19
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$42,273
@ $377.44 · 2026-03-13
CONYERS YOLANDA LEE
Director
$295,192
@ $393.59 · 2026-03-02
MOSLEY WILLIAM D
Chief Executive Officer
$7.70M
@ $384.76 · 2026-03-02
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$98,400
@ $410.00 · 2026-02-24
CHONG KIAN FATT
Officer
$2.43M
@ $416.48 · 2026-02-23
MOSLEY WILLIAM D
Chief Executive Officer
$8.59M
@ $429.27 · 2026-02-02
GELDMACHER JAY L
Director
$414,423
@ $448.02 · 2026-01-30
TEH BAN-SENG
Officer
$8.93M
@ $442.29 · 2026-01-29
LEE JAMES CI
Officer
$234,776
@ $348.85 · 2026-01-26
TEH BAN-SENG
Officer
$422,626
@ $299.31 · 2026-01-12
MOSLEY WILLIAM D
Chief Executive Officer
$5.71M
@ $285.56 · 2026-01-02
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$32,984
@ $291.89 · 2025-12-15
TEH BAN-SENG
Officer
$594,759
@ $295.90 · 2025-12-11
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
TXN
4
Sells (3M)
31
Sells (12M)
Total value (12M): $119.37M
SANCHEZ ROBERT E
Director
$1.83M
@ $302.21 · 2026-10-27
PATSLEY PAMELA H
Director
$1.37M
@ $301.56 · 2026-10-27
CLARK JANET F
Director
$1.30M
@ $302.46 · 2026-10-27
ABRAHAM TSEDENIYA
Officer
$1.85M
@ $264.63 · 2026-08-27
CRAIGHEAD MARTIN S
Director
$3.20M
@ $320.43 · 2026-05-28
BAHAI AHMAD
Officer
$1.55M
@ $309.13 · 2026-05-14
LIZARDI RAFAEL R
Chief Financial Officer
$14.71M
@ $308.10 · 2026-05-14
COX CARRIE SMITH
Director
$2.71M
@ $306.41 · 2026-05-13
LEONARD SHANON J
Officer
$1.47M
@ $295.22 · 2026-05-11
ILAN HAVIV
Chief Executive Officer
$5.61M
@ $280.32 · 2026-05-04
KNECHT JULIE C.
Officer
$2.77M
@ $278.70 · 2026-05-01
GARY MARK
Officer
$3.82M
@ $279.25 · 2026-04-30
ROBERTS MARK T
Officer
$7.87M
@ $280.34 · 2026-04-30
YUNUS MOHAMMAD
Officer
$13.82M
@ $270.44 · 2026-04-29
BAHAI AHMAD
Officer
$982,359
@ $268.40 · 2026-04-27
KANE KATHARINE
General Counsel
$1.66M
@ $270.41 · 2026-04-27
BLUEDORN TODD M
Director
$1.18M
@ $274.25 · 2026-04-24
RON AMICHAI
Officer
$5.00M
@ $272.43 · 2026-04-24
LIZARDI RAFAEL R
Chief Financial Officer
$11.12M
@ $274.23 · 2026-04-24
WITZSCHE CHRISTINE
Officer
$998,771
@ $275.52 · 2026-04-24
LEONARD SHANON J
Officer
$5.06M
@ $277.95 · 2026-04-24
PATSLEY PAMELA H
Director
$1.19M
@ $276.11 · 2026-04-24
KOZANIAN HAGOP H
Officer
$1.55M
@ $225.95 · 2026-02-17
BAHAI AHMAD
Officer
$1.50M
@ $230.79 · 2026-02-11
LIZARDI RAFAEL R
Chief Financial Officer
$15.88M
@ $221.73 · 2026-02-11
GARY MARK
Officer
$5.24M
@ $226.00 · 2026-02-11
ROBERTS MARK T
Officer
$986,604
@ $221.16 · 2026-02-09
BAHAI AHMAD
Officer
$670,387
@ $223.46 · 2026-02-05
BLINN MARK A
Director
$696,647
@ $221.58 · 2026-02-05
KIRK RONALD
Director
$1.62M
@ $162.33 · 2025-11-24
WITZSCHE CHRISTINE
Officer
$164,306
@ $164.31 · 2025-11-13
BAHAI AHMAD
Officer
$308,030
@ $205.35 · 2025-08-25
TEMPLETON RICHARD K
Chairman of the Board
$19.85M
@ $195.41 · 2025-02-28
TEMPLETON RICHARD K
Chairman of the Board
$38.65M
@ $199.20 · 2025-02-26
TEMPLETON RICHARD K
Chairman of the Board
$39.32M
@ $202.70 · 2025-02-24
CLARK JANET F
Director
$1.23M
@ $203.62 · 2025-02-24
BLINN MARK A
Director
$1.17M
@ $189.89 · 2025-02-19
LEONARD SHANON J
Officer
$401,241
@ $186.62 · 2025-02-18
BLINN MARK A
Director
$106,617
@ $180.71 · 2025-02-04
KIRK RONALD
Director
$2.14M
@ $203.33 · 2024-11-25
ILAN HAVIV
Chief Executive Officer
$2.88M
@ $219.30 · 2024-11-08
GARY MARK
Officer
$3.49M
@ $219.82 · 2024-11-08
BAHAI AHMAD
Officer
$472,514
@ $217.25 · 2024-11-07
LIZARDI RAFAEL R
Chief Financial Officer
$10.19M
@ $217.16 · 2024-11-07
YUNUS MOHAMMAD
Officer
$1.81M
@ $216.94 · 2024-11-07
ILAN HAVIV
Chief Executive Officer
$5.29M
@ $211.50 · 2024-11-06
GARY MARK
Officer
$940,296
@ $214.83 · 2024-11-06
WITZSCHE CHRISTINE
Officer
$27,941
@ $211.67 · 2024-11-06
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives

Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives.

🎭 Mr. Market's Mood

Learn more →
STX
FearGreed
😨Fear(35/100)

"Market is pessimistic — investigate whether fears are temporary or structural"

Composite sentiment score based on 6 market signals. Inspired by Buffett's "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.
TXN
FearGreed
😏Greed(62/100)

"Market is optimistic — be cautious and ensure you have a margin of safety"

Composite sentiment score based on 6 market signals. Inspired by Buffett's "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.

Composite sentiment score based on market signals. Inspired by Buffett’s "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.

⚖️ Buffett Signal

Learn more →
STX
⚪Awaiting DCF Data

The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.

DCF Margin of Safety: N/AMr. Market's Mood: Fear (35)
TXN
⚪Awaiting DCF Data

The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.

DCF Margin of Safety: N/AMr. Market's Mood: Greed (62)
View STX Full AnalysisView TXN Full Analysis

Frequently Asked Questions: STX vs TXN

Is Seagate Technology Holdings plc or Texas Instruments Incorporated more undervalued in 2026?▼

Based on our discounted cash flow model, STX trades at a 38.5% margin of safety (intrinsic value $1047 vs. price $645), compared to TXN's 23.1% margin of safety (intrinsic $391 vs. $301).

Which stock has a wider economic moat, Seagate Technology Holdings plc or Texas Instruments Incorporated?▼

TXN scores 48/100 (Narrow moat), while STX scores 41/100 (Narrow moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Which company has better free cash flow, Seagate Technology Holdings plc or Texas Instruments Incorporated?▼

Seagate Technology Holdings plc (STX) generates a 2.1% free cash flow yield, compared to Texas Instruments Incorporated's 1.7%. A higher FCF yield means the business converts more of its market value into cash that can be returned to shareholders or reinvested.

Which stock has higher return on invested capital, Seagate Technology Holdings plc or Texas Instruments Incorporated?▼

STX earns 86.9% ROIC versus TXN's 23.8%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.

Which dividend is safer, Seagate Technology Holdings plc's or Texas Instruments Incorporated's?▼

STX's dividend earns a safety score of 85/100 (Very Safe), compared to TXN's 34/100 (Unsafe). STX has raised its dividend for 0 consecutive years.

STX vs TXN: Which Is the Better Buy in 2026? | SafetyMargin.io