Compare Stocks › AVGO vs DXCM
Broadcom Inc. (AVGO) vs DexCom, Inc. (DXCM)
AVGO
Broadcom Inc.
$319.84
VS
DXCM
DexCom, Inc.
$67.27
Rewards
AVGO
- ★Gross margin of 76.7% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
- ★Free cash flow has grown at a 18.2% CAGR over the past 4 years, demonstrating strong earnings power growth.
- ★Each dollar of retained earnings has created $97.03 of market value — management is an exceptional capital allocator.
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.
Risks
AVGO
- ⚠Share count has increased by 13% over the past 4 years, diluting existing shareholders.
- ⚠FCF yield of 1.7% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
- ⚠6 insider sales totaling $102.2M with no purchases in the past 3 months — insiders are reducing their exposure.
DXCM
Key Valuation Metrics
Learn more →AVGO
DXCM
Valuation
$25.50B
Free Cash Flow
$1.08B
1.68%
FCF Yield
4.11%
62.47
Trailing P/E
32.19
18.10
Forward P/E
22.51
Quality & Moat
26.43%
ROIC
22.80%
94.91%
ROE
30.46%
76.73%
Gross Margin
60.10%
0.33
PEG Ratio
0.41
Balance Sheet Safety
1.66
Debt / Equity
0.51
N/A
Interest Coverage
N/A
0.79
Net Debt / EBITDA
-0.52
0.81%
Dividend Yield
N/A
AVGO: 6Ties: 1DXCM: 4
AVGODXCM
Historical Fundamentals
Learn more →AVGO
Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.
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.
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 →AVGO
$97.03
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$14.50B
Δ Market Cap
+$1.41T
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
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
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 →AVGO
8.2% Margin of Safety
Price is 8.2% below estimated fair value
Current Price: $319.84
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $348.43
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
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
Reverse DCF — Market-Implied Growth
Learn more →AVGO
What growth rate is the market pricing in at $320?
+24.2%
Market-Implied Owner Earnings Growth
Standard FCF implies +22.9%
The market implies +24.2% Owner Earnings growth, roughly in line with history — reasonably priced.
Standard FCF implies +22.9%, reflecting ongoing growth investment.
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.
Economic Moat Score
Learn more →AVGO
61/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None
Narrow moat with reinvestment efficiency as the key competitive advantage. Improving revenue predictability 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.
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.
Forensic Accounting
Learn more →AVGO
-2.09
Possible 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.
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.
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 →AVGO
Insiders 2.0%Institutions 79.5%Retail & Other 18.5%
No. of Institutional Holders5,996
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.
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.
High insider ownership aligns management incentives with shareholders. Institutional concentration can indicate smart-money conviction but also crowding risk.
Insider Buying Activity
Learn more →AVGO
0
Buys (3M)
2
Buys (12M)
Total value (12M): $1.55M
YOU HARRY L
Director
$325,129
@ $325.13 · 2025-12-18
YOU HARRY L
Director
$1.23M
@ $345.88 · 2025-09-10
Open market purchases · includes direct & indirect ownership · excludes option exercises
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
Open market purchases · includes direct & indirect ownership · excludes option exercises.
Insider Selling Activity
Learn more →AVGO
6
Sells (3M)
28
Sells (12M)
Total value (12M): $206.93M
VELAGA S. RAM
Officer
$20.82M
@ $323.38 · 2026-03-17
BRAZEAL MARK DAVID
Officer
$27.06M
@ $323.39 · 2026-03-17
BRAZEAL MARK DAVID
Officer
$10.41M
@ $347.12 · 2026-01-06
TAN HOCK E
Chief Executive Officer
$24.31M
@ $347.30 · 2026-01-06
SPEARS KIRSTEN MARGRETA
Chief Financial Officer
$10.43M
@ $347.82 · 2025-12-31
BRAZEAL MARK DAVID
Officer
$9.13M
@ $352.07 · 2025-12-26
KAWWAS CHARLIE B
Officer
$1.05M
@ $332.95 · 2025-12-17
SPEARS KIRSTEN MARGRETA
Chief Financial Officer
$2.03M
@ $332.91 · 2025-12-17
BRAZEAL MARK DAVID
Officer
$12.54M
@ $327.65 · 2025-12-17
BRAZEAL MARK DAVID
Officer
$8.36M
@ $340.91 · 2025-12-16
PAGE JUSTINE F.
Director
$289,512
@ $361.89 · 2025-12-15
PAGE JUSTINE F.
Director
$264,912
@ $331.14 · 2025-11-14
PAGE JUSTINE F.
Director
$280,120
@ $350.15 · 2025-10-14
KAWWAS CHARLIE B
Officer
$2.26M
@ $352.74 · 2025-09-17
BRAZEAL MARK DAVID
Officer
$9.59M
@ $352.61 · 2025-09-17
PAGE JUSTINE F.
Director
$288,000
@ $360.00 · 2025-09-15
PAGE JUSTINE F.
Director
$245,968
@ $307.46 · 2025-08-14
PAGE JUSTINE F.
Director
$219,440
@ $274.30 · 2025-07-14
DELLY GAYLA J
Director
$795,390
@ $265.13 · 2025-06-26
TAN HOCK E
Chief Executive Officer
$10.73M
@ $268.29 · 2025-06-26
SPEARS KIRSTEN MARGRETA
Chief Financial Officer
$9.50M
@ $261.27 · 2025-06-24
BRAZEAL MARK DAVID
Officer
$13.11M
@ $262.10 · 2025-06-24
BRAZEAL MARK DAVID
Officer
$12.66M
@ $253.28 · 2025-06-23
SPEARS KIRSTEN MARGRETA
Chief Financial Officer
$14.18M
@ $251.75 · 2025-06-18
PAGE JUSTINE F.
Director
$200,280
@ $250.35 · 2025-06-16
PAGE JUSTINE F.
Director
$184,152
@ $230.19 · 2025-05-14
PAGE JUSTINE F.
Director
$148,000
@ $185.00 · 2025-04-14
BRAZEAL MARK DAVID
Officer
$5.84M
@ $194.65 · 2025-03-24
LOW CHECK KIAN
Director
$11.30M
@ $235.35 · 2025-01-06
BRAZEAL MARK DAVID
Officer
$4.82M
@ $238.79 · 2024-12-24
TAN HOCK E
Chief Executive Officer
$10.80M
@ $239.96 · 2024-12-24
BRYANT DIANE M
Director
$3.40M
@ $226.68 · 2024-12-23
SPEARS KIRSTEN MARGRETA
Chief Financial Officer
$2.89M
@ $229.62 · 2024-12-20
YOU HARRY L
Director
$1.57M
@ $240.00 · 2024-12-17
BRAZEAL MARK DAVID
Officer
$3.43M
@ $181.45 · 2024-10-11
BRAZEAL MARK DAVID
Officer
$3.46M
@ $182.88 · 2024-10-09
BRAZEAL MARK DAVID
Officer
$3.59M
@ $177.10 · 2024-10-07
DELLY GAYLA J
Director
$130,898
@ $174.53 · 2024-09-25
PAGE JUSTINE F.
Director
$444,566
@ $1750.26 · 2024-06-20
PAGE JUSTINE F.
Director
$561,600
@ $1800.00 · 2024-06-17
BRAZEAL MARK DAVID
Officer
$3.29M
@ $1316.46 · 2024-04-10
PAGE JUSTINE F.
Director
$145,530
@ $1323.00 · 2024-04-10
SPEARS KIRSTEN MARGRETA
Chief Financial Officer
$4.03M
@ $1343.14 · 2024-04-05
BRAZEAL MARK DAVID
Officer
$3.42M
@ $1367.52 · 2024-04-03
TAN HOCK E
Chief Executive Officer
$2.62M
@ $1312.25 · 2024-04-02
BRAZEAL MARK DAVID
Officer
$3.30M
@ $1318.98 · 2024-03-28
KAWWAS CHARLIE B
Officer
$6.72M
@ $1344.00 · 2024-03-25
BRAZEAL MARK DAVID
Officer
$3.38M
@ $1352.35 · 2024-03-25
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
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
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives.
🎭 Mr. Market's Mood
Learn more →AVGO
😐Neutral(51/100)
"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.
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.
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 →AVGO
⚪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 (51)
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)