Compare Stocks › DXCM vs TXN
DexCom, Inc. (DXCM) vs Texas Instruments Incorporated (TXN)
DXCM
DexCom, Inc.
$67.27
VS
TXN
Texas Instruments Incorporated
$188.29
Rewards
DXCM
- ★Gross margin of 60.1% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
- ★Free cash flow has grown at a 52.3% CAGR over the past 4 years, demonstrating strong earnings power growth.
- ★Trailing P/E of 32.2x is 57% below the historical average of 75.4x — potentially undervalued relative to its own history.
TXN
- ★Texas Instruments Incorporated has maintained ROIC above 10% for 4 consecutive years, suggesting solid business economics.
- ★Return on equity has consistently exceeded 20% over 4 years, indicating efficient use of shareholder capital.
- ★Each dollar of retained earnings has created $3.91 of market value — management is an exceptional capital allocator.
Risks
DXCM
TXN
- ⚠Trailing P/E of 34.6x is 28% above the historical average of 27.1x — the stock trades at a premium to its own history.
- ⚠7 insider sales totaling $26.5M with no purchases in the past 3 months — insiders are reducing their exposure.
- ⚠Free cash flow has declined at a 24.0% CAGR over the past 4 years — a concerning trend.
Key Valuation Metrics
Learn more →DXCM
TXN
Valuation
$1.08B
Free Cash Flow
$-300.62M
4.11%
FCF Yield
-0.18%
32.19
Trailing P/E
34.61
22.51
Forward P/E
23.81
Quality & Moat
22.80%
ROIC
15.31%
30.46%
ROE
30.73%
60.10%
Gross Margin
57.02%
0.41
PEG Ratio
N/A
Balance Sheet Safety
0.51
Debt / Equity
0.91
N/A
Interest Coverage
N/A
-0.52
Net Debt / EBITDA
1.23
N/A
Dividend Yield
3.02%
DXCM: 8Ties: 2TXN: 0
DXCMTXN
Historical Fundamentals
Learn more →DXCM
Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.
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.
Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.
$1 Retained Earnings Test
Learn more →DXCM
$-9.32
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$1.95B
Δ Market Cap
$-18.21B
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
> $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
> $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
Learn more →DXCM
27.9% Margin of Safety
Price is 27.9% below estimated fair value
Current Price: $67.27
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $93.28
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
TXN
28.7% Margin of Safety
Price is 28.7% below estimated fair value
Current Price: $188.29
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $264.10
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Reverse DCF — Market-Implied Growth
Learn more →DXCM
What growth rate is the market pricing in at $67?
+13.5%
Market-Implied Owner Earnings Growth
Standard FCF implies +10.1%
The market implies +13.5% Owner Earnings growth, below historical trends — potential opportunity.
Standard FCF implies a more demanding +10.1%, reflecting heavy growth investment expected to generate future returns.
TXN
Requires positive FCF to compute implied growth rate.
Economic Moat Score
Learn more →DXCM
65/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None
Narrow moat with revenue predictability 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
Learn more →DXCM
-2.62
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
Learn more →DXCM
Insiders 0.4%Institutions 101.0%
No. of Institutional Holders1,386
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 91.3%Retail & Other 8.4%
No. of Institutional Holders3,136
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
Learn more →DXCM
0
Buys (3M)
1
Buys (12M)
Total value (12M): $1.00M
LEACH JACOB STEVEN
President
$1.00M
@ $55.04 · 2025-11-10
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
Learn more →DXCM
1
Sells (3M)
12
Sells (12M)
Total value (12M): $2.41M
HELLER BRIDGETTE P
Director
$68,826
@ $68.01 · 2026-02-12
HELLER BRIDGETTE P
Director
$58,767
@ $58.07 · 2025-11-12
MALADY KYLE
Director
$53,934
@ $80.86 · 2025-09-05
STERN SADIE
Officer
$117,280
@ $80.00 · 2025-09-04
SYLVAIN JEREME M
Chief Financial Officer
$357,796
@ $74.17 · 2025-09-02
BROWN MICHAEL JON
Officer
$40,145
@ $80.29 · 2025-08-15
STERN SADIE
Officer
$130,459
@ $88.99 · 2025-07-28
BROWN MICHAEL JON
Officer
$43,015
@ $86.03 · 2025-07-15
STERN SADIE
Officer
$124,698
@ $85.06 · 2025-06-26
BROWN MICHAEL JON
Officer
$41,400
@ $82.80 · 2025-06-16
STERN SADIE
Officer
$526,318
@ $85.11 · 2025-05-27
BROWN MICHAEL JON
Officer
$842,849
@ $84.28 · 2025-05-23
HELLER BRIDGETTE P
Director
$24,756
@ $70.33 · 2025-03-17
SYLVAIN JEREME M
Chief Financial Officer
$844,632
@ $70.38 · 2025-03-12
STERN SADIE
Officer
$786,568
@ $70.38 · 2025-03-12
LEACH JACOB STEVEN
Chief Operating Officer
$990,670
@ $70.38 · 2025-03-12
SAYER KEVIN R
Chief Executive Officer
$2.29M
@ $70.38 · 2025-03-12
BROWN MICHAEL JON
Officer
$914,941
@ $70.38 · 2025-03-12
SYLVAIN JEREME M
Chief Financial Officer
$516,830
@ $73.83 · 2025-03-10
SYLVAIN JEREME M
Chief Financial Officer
$181,650
@ $86.91 · 2025-01-29
STERN SADIE
Officer
$181,911
@ $86.91 · 2025-01-29
LEACH JACOB STEVEN
Chief Operating Officer
$228,932
@ $86.91 · 2025-01-29
DOLAN MATTHEW VINCENT
Officer
$102,820
@ $86.91 · 2025-01-29
SAYER KEVIN R
Chief Executive Officer
$2.90M
@ $86.91 · 2025-01-29
STERN SADIE
Officer
$32,593
@ $76.87 · 2024-12-16
SYLVAIN JEREME M
Chief Financial Officer
$57,191
@ $76.87 · 2024-12-16
LEACH JACOB STEVEN
Chief Operating Officer
$57,191
@ $76.87 · 2024-12-16
HELLER BRIDGETTE P
Director
$76,870
@ $76.87 · 2024-12-16
STERN SADIE
Officer
$318,275
@ $74.73 · 2024-11-20
SYLVAIN JEREME M
Chief Financial Officer
$264,285
@ $75.51 · 2024-11-15
HELLER BRIDGETTE P
Director
$70,000
@ $70.00 · 2024-09-16
STERN SADIE
Officer
$29,458
@ $69.15 · 2024-09-09
SYLVAIN JEREME M
Chief Financial Officer
$51,586
@ $69.15 · 2024-09-09
LEACH JACOB STEVEN
Chief Operating Officer
$51,586
@ $69.15 · 2024-09-09
BROWN MICHAEL JON
Officer
$48,020
@ $70.00 · 2024-08-30
BROWN MICHAEL JON
Officer
$45,347
@ $69.55 · 2024-07-31
BROWN MICHAEL JON
Officer
$75,317
@ $114.29 · 2024-06-28
HELLER BRIDGETTE P
Director
$113,550
@ $113.55 · 2024-06-14
STERN SADIE
Officer
$49,127
@ $115.05 · 2024-06-10
SYLVAIN JEREME M
Chief Financial Officer
$85,713
@ $115.05 · 2024-06-10
LEACH JACOB STEVEN
Chief Operating Officer
$85,713
@ $115.05 · 2024-06-10
BROWN MICHAEL JON
Officer
$77,744
@ $119.24 · 2024-05-31
DOLAN MATTHEW VINCENT
Officer
$306,703
@ $126.58 · 2024-05-15
BROWN MICHAEL JON
Officer
$79,411
@ $126.25 · 2024-04-30
DOLAN MATTHEW VINCENT
Officer
$274,242
@ $137.81 · 2024-04-15
SAYER KEVIN R
Chief Executive Officer
$6.86M
@ $138.30 · 2024-04-08
BROWN MICHAEL JON
Officer
$367,472
@ $140.04 · 2024-03-28
STERN SADIE
Officer
$579,180
@ $140.00 · 2024-03-25
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
TXN
7
Sells (3M)
10
Sells (12M)
Total value (12M): $28.61M
KOZANIAN HAGOP H
Officer
$1.55M
@ $225.95 · 2026-02-17
LIZARDI RAFAEL R
Chief Financial Officer
$15.88M
@ $221.73 · 2026-02-11
GARY MARK
Officer
$5.24M
@ $226.00 · 2026-02-11
BAHAI AHMAD
Officer
$1.50M
@ $230.79 · 2026-02-11
ROBERTS MARK T
Officer
$986,604
@ $221.16 · 2026-02-09
BLINN MARK A
Director
$696,647
@ $221.58 · 2026-02-05
BAHAI AHMAD
Officer
$670,387
@ $223.46 · 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
GARY MARK
Officer
$3.49M
@ $219.82 · 2024-11-08
ILAN HAVIV
Chief Executive Officer
$2.88M
@ $219.30 · 2024-11-08
LIZARDI RAFAEL R
Chief Financial Officer
$10.19M
@ $217.16 · 2024-11-07
YUNUS MOHAMMAD
Officer
$1.81M
@ $216.94 · 2024-11-07
BAHAI AHMAD
Officer
$472,514
@ $217.25 · 2024-11-07
GARY MARK
Officer
$940,296
@ $214.83 · 2024-11-06
WITZSCHE CHRISTINE
Officer
$27,941
@ $211.67 · 2024-11-06
ILAN HAVIV
Chief Executive Officer
$5.29M
@ $211.50 · 2024-11-06
SANCHEZ ROBERT E
Director
$2.09M
@ $208.80 · 2024-10-25
RON AMICHAI
Officer
$2.76M
@ $213.72 · 2024-08-29
GARY MARK
Officer
$3.22M
@ $212.63 · 2024-08-29
ROBERTS MARK T
Officer
$1.00M
@ $213.08 · 2024-08-29
PATSLEY PAMELA H
Director
$1.29M
@ $212.43 · 2024-08-29
BAHAI AHMAD
Officer
$892,427
@ $209.98 · 2024-08-27
ILAN HAVIV
Chief Executive Officer
$251,324
@ $209.44 · 2024-08-26
YUNUS MOHAMMAD
Officer
$789,215
@ $208.90 · 2024-08-26
GARY MARK
Officer
$939,037
@ $207.20 · 2024-08-23
KNECHT JULIE C.
Officer
$1.63M
@ $209.49 · 2024-08-23
LEONARD SHANON J
Officer
$588,301
@ $208.91 · 2024-08-23
HOBBY JEAN M
Director
$4.37M
@ $205.71 · 2024-08-22
TEMPLETON RICHARD K
Chairman of the Board
$17.93M
@ $178.47 · 2024-05-03
TEMPLETON RICHARD K
Chairman of the Board
$36.53M
@ $175.64 · 2024-05-02
SANCHEZ ROBERT E
Director
$1.84M
@ $174.97 · 2024-05-01
TEMPLETON RICHARD K
Chairman of the Board
$37.09M
@ $178.34 · 2024-04-30
PATSLEY PAMELA H
Director
$1.79M
@ $179.12 · 2024-04-29
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 →DXCM
😨Fear(37/100)
"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
😐Neutral(46/100)
"Market is pricing this stock without strong emotion in either direction"
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 →DXCM
⚪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 (37)
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: Neutral (46)