Compare Stocks › AMZN vs MPWR
Amazon.com, Inc. (AMZN) vs Monolithic Power Systems, Inc. (MPWR): Which Is the Better Buy in 2026?
As of 2026-06-19, AMZN is overvalued at $244, with a DCF intrinsic value of $211 and a margin of safety of -16%. MPWR is overvalued at $1564, with an intrinsic value of $669 and a margin of safety of -134%. Of the two, AMZN has the wider margin of safety.
AMZN
Amazon.com, Inc.
$244.39
VS
MPWR
Monolithic Power Systems, Inc.
$1563.70
Rewards
AMZN
- ★Each dollar of retained earnings has created $5.34 of earning power — management is an exceptional capital allocator.
- ★Trailing P/E of 31.5x is 23% below the historical average of 40.6x — potentially undervalued relative to its own history.
- ★Altman Z-Score of 5.30 indicates very low bankruptcy risk — the company is firmly in the safe zone.
MPWR
- ★Monolithic Power Systems, Inc. has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
- ★Monolithic Power Systems, Inc. scores 80/100 on the Economic Moat Score (Wide Moat), with reinvestment efficiency as the strongest competitive dimension.
- ★Free cash flow has grown at a 52.3% CAGR over the past 4 years, demonstrating strong earnings power growth.
Risks
AMZN
- ⚠FCF yield of 0.4% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
- ⚠15 insider sales totaling $51.6M with no purchases in the past 3 months — insiders are reducing their exposure.
MPWR
- ⚠Buybacks have been poorly timed — 2 out of 3 years involved repurchases at relatively expensive valuations.
- ⚠Despite buyback spending, shares outstanding increased in 2 out of 3 years — stock-based compensation is offsetting repurchases.
- ⚠FCF yield of 0.9% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
Key Valuation Metrics
Learn more →AMZN
MPWR
Valuation
$9.81B
Free Cash Flow
$663.26M
0.37%
FCF Yield
0.86%
31.45
Trailing P/E
112.17
24.73
Forward P/E
51.85
Quality & Moat
11.38%
ROIC
18.95%
24.29%
ROE
19.57%
50.60%
Gross Margin
55.17%
1.83
PEG Ratio
1.97
Balance Sheet Safety
0.21
Net Debt / Equity
Net cash
N/A
Interest Coverage
N/A
0.59
Net Debt / EBITDA
-1.57
0.00%
Dividend Yield
0.53%
AMZN: 5Ties: 1MPWR: 6
AMZNMPWR
Historical Fundamentals
Learn more →AMZN
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.
MPWR
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
Learn more →AMZN
$9.66
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$167.34B
Δ Market Cap
+$1.62T
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
MPWR
$14.25
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$1.93B
Δ Market Cap
+$27.49B
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 →AMZN
16.1% Overvalued
Price is 16.1% above estimated fair value
Current Price: $244.39
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $210.51
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
MPWR
100.5% Overvalued
Price is 100.5% above estimated fair value
Current Price: $1563.70
Strongly undervalued
Fairly valued
Strongly overvalued
Fair Value: $779.90
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Reverse DCF — Market-Implied Growth
Learn more →AMZN
What growth rate is the market pricing in at $244?
+15.3%
Market-Implied Owner Earnings Growth
Standard FCF implies +45.0%
The market implies +15.3% Owner Earnings growth, below historical trends — potential opportunity.
Standard FCF implies a more demanding +45.0%, reflecting heavy growth investment expected to generate future returns.
MPWR
What growth rate is the market pricing in at $1564?
+32.7%
Market-Implied Owner Earnings Growth
Standard FCF implies +31.7%
The market implies +32.7% Owner Earnings growth, above historical trends.
Standard FCF implies a demanding +31.7%, reflecting heavy growth investment.
Economic Moat Score
Learn more →AMZN
51/100
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 5 years of fundamental data.
MPWR
80/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None
Wide moat driven primarily by reinvestment efficiency. Revenue Predictability is the area most vulnerable to competitive pressure.
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 →AMZN
-2.58
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.
MPWR
-2.51
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 →AMZN
Insiders 8.9%Institutions 68.0%Retail & Other 23.1%
No. of Institutional Holders7,749
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.
MPWR
Insiders 3.7%Institutions 101.1%
No. of Institutional Holders1,615
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 →AMZN
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
MPWR
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 →AMZN
15
Sells (3M)
53
Sells (12M)
Total value (12M): $5.77B
HERRINGTON DOUGLAS J
Officer
$266,190
@ $266.19 · 2026-06-01
ZAPOLSKY DAVID A.
Officer
$4.12M
@ $266.49 · 2026-05-22
JASSY ANDREW R.
Chief Executive Officer
$5.27M
@ $263.42 · 2026-05-21
GARMAN MATTHEW S
Officer
$4.07M
@ $263.40 · 2026-05-21
HERRINGTON DOUGLAS J
Officer
$1.67M
@ $262.39 · 2026-05-21
REYNOLDS SHELLEY L
Officer
$620,003
@ $262.38 · 2026-05-21
GARMAN MATTHEW S
Officer
$3.01M
@ $262.66 · 2026-05-15
HERRINGTON DOUGLAS J
Officer
$982,602
@ $262.59 · 2026-05-15
JASSY ANDREW R.
Chief Executive Officer
$8.62M
@ $275.00 · 2026-05-04
HERRINGTON DOUGLAS J
Officer
$7.83M
@ $274.67 · 2026-05-04
RUBINSTEIN JONATHAN J
Director
$1.01M
@ $273.02 · 2026-04-30
RUBINSTEIN JONATHAN J
Director
$1.00M
@ $260.00 · 2026-04-24
JASSY ANDREW R.
Chief Executive Officer
$7.91M
@ $255.00 · 2026-04-17
HERRINGTON DOUGLAS J
Officer
$5.02M
@ $245.00 · 2026-04-14
HERRINGTON DOUGLAS J
Officer
$210,500
@ $210.50 · 2026-04-01
HERRINGTON DOUGLAS J
Officer
$204,250
@ $204.25 · 2026-03-02
ZAPOLSKY DAVID A.
Officer
$3.65M
@ $205.40 · 2026-02-24
JASSY ANDREW R.
Chief Executive Officer
$4.08M
@ $205.18 · 2026-02-23
HERRINGTON DOUGLAS J
Officer
$1.41M
@ $205.82 · 2026-02-23
GARMAN MATTHEW S
Officer
$3.64M
@ $205.22 · 2026-02-23
REYNOLDS SHELLEY L
Officer
$554,892
@ $205.90 · 2026-02-23
HERRINGTON DOUGLAS J
Officer
$948,990
@ $198.37 · 2026-02-17
ALEXANDER KEITH BRIAN
Director
$183,492
@ $203.88 · 2026-02-12
HERRINGTON DOUGLAS J
Officer
$208,000
@ $208.00 · 2026-02-11
HERRINGTON DOUGLAS J
Officer
$583,050
@ $233.22 · 2025-12-01
ZAPOLSKY DAVID A.
Officer
$4.56M
@ $220.58 · 2025-11-24
JASSY ANDREW R.
Chief Executive Officer
$4.31M
@ $216.94 · 2025-11-21
GARMAN MATTHEW S
Officer
$3.85M
@ $216.90 · 2025-11-21
HERRINGTON DOUGLAS J
Officer
$1.48M
@ $216.40 · 2025-11-21
REYNOLDS SHELLEY L
Officer
$583,222
@ $216.41 · 2025-11-21
HUTTENLOCHER DANIEL P
Director
$280,317
@ $226.61 · 2025-11-20
HERRINGTON DOUGLAS J
Officer
$1.11M
@ $232.71 · 2025-11-17
ALEXANDER KEITH BRIAN
Director
$209,700
@ $233.00 · 2025-11-17
HERRINGTON DOUGLAS J
Officer
$6.14M
@ $250.58 · 2025-11-03
RUBINSTEIN JONATHAN J
Director
$2.04M
@ $250.03 · 2025-10-31
HERRINGTON DOUGLAS J
Officer
$542,750
@ $217.10 · 2025-10-01
HERRINGTON DOUGLAS J
Officer
$558,725
@ $223.49 · 2025-09-02
ZAPOLSKY DAVID A.
Officer
$4.60M
@ $222.34 · 2025-08-22
JASSY ANDREW R.
Chief Executive Officer
$4.40M
@ $221.58 · 2025-08-21
GARMAN MATTHEW S
Officer
$3.94M
@ $221.57 · 2025-08-21
HERRINGTON DOUGLAS J
Officer
$1.51M
@ $221.62 · 2025-08-21
OLSAVSKY BRIAN T.
Chief Financial Officer
$3.95M
@ $222.74 · 2025-08-21
REYNOLDS SHELLEY L
Officer
$601,755
@ $221.64 · 2025-08-21
HERRINGTON DOUGLAS J
Officer
$1.11M
@ $232.32 · 2025-08-15
HERRINGTON DOUGLAS J
Officer
$542,500
@ $217.00 · 2025-08-01
BEZOS JEFFREY P
Officer and Director
$954.28M
@ $229.72 · 2025-07-24
BEZOS JEFFREY P
Officer and Director
$1.51B
@ $228.34 · 2025-07-22
BEZOS JEFFREY P
Officer and Director
$166.45M
@ $227.02 · 2025-07-15
BEZOS JEFFREY P
Officer and Director
$1.51B
@ $225.21 · 2025-07-14
BEZOS JEFFREY P
Officer and Director
$108.68M
@ $223.99 · 2025-07-09
BEZOS JEFFREY P
Officer and Director
$665.86M
@ $223.86 · 2025-07-07
HERRINGTON DOUGLAS J
Officer
$550,144
@ $220.06 · 2025-07-01
BEZOS JEFFREY P
Officer and Director
$736.68M
@ $221.56 · 2025-06-30
HERRINGTON DOUGLAS J
Officer
$512,450
@ $204.98 · 2025-06-02
ZAPOLSKY DAVID A.
Officer
$4.18M
@ $202.00 · 2025-05-22
JASSY ANDREW R.
Chief Executive Officer
$4.00M
@ $201.30 · 2025-05-21
GARMAN MATTHEW S
Chief Executive Officer
$4.21M
@ $201.30 · 2025-05-21
HERRINGTON DOUGLAS J
Chief Executive Officer
$1.37M
@ $200.77 · 2025-05-21
OLSAVSKY BRIAN T.
Chief Financial Officer
$3.58M
@ $201.57 · 2025-05-21
REYNOLDS SHELLEY L
Officer
$541,129
@ $200.79 · 2025-05-21
HERRINGTON DOUGLAS J
Chief Executive Officer
$980,971
@ $205.05 · 2025-05-15
ALEXANDER KEITH BRIAN
Director
$210,680
@ $210.68 · 2025-05-12
HERRINGTON DOUGLAS J
Officer
$476,675
@ $190.67 · 2025-05-01
HERRINGTON DOUGLAS J
Officer
$469,975
@ $187.99 · 2025-04-01
HERRINGTON DOUGLAS J
Chief Executive Officer
$532,925
@ $213.17 · 2025-03-03
ZAPOLSKY DAVID A.
Officer
$5.47M
@ $218.25 · 2025-02-24
JASSY ANDREW R.
Chief Executive Officer
$4.59M
@ $220.65 · 2025-02-21
GARMAN MATTHEW S
Officer
$3.36M
@ $220.69 · 2025-02-21
HERRINGTON DOUGLAS J
Officer
$1.36M
@ $222.47 · 2025-02-21
OLSAVSKY BRIAN T.
Chief Financial Officer
$3.26M
@ $223.14 · 2025-02-21
REYNOLDS SHELLEY L
Officer
$1.97M
@ $222.47 · 2025-02-21
HERRINGTON DOUGLAS J
Officer
$1.26M
@ $228.44 · 2025-02-18
HERRINGTON DOUGLAS J
Officer
$6.33M
@ $230.27 · 2025-02-12
RUBINSTEIN JONATHAN J
Director
$1.00M
@ $229.85 · 2024-12-09
RUBINSTEIN JONATHAN J
Director
$1.00M
@ $219.85 · 2024-12-04
HERRINGTON DOUGLAS J
Officer
$735,000
@ $210.00 · 2024-12-02
JASSY ANDREW R.
Chief Executive Officer
$4.16M
@ $200.17 · 2024-11-21
HERRINGTON DOUGLAS J
Officer
$1.22M
@ $200.19 · 2024-11-21
GARMAN MATTHEW S
Chief Executive Officer
$3.05M
@ $200.19 · 2024-11-21
OLSAVSKY BRIAN T.
Chief Financial Officer
$2.96M
@ $202.88 · 2024-11-21
ZAPOLSKY DAVID A.
Officer
$2.34M
@ $200.23 · 2024-11-21
REYNOLDS SHELLEY L
Officer
$759,090
@ $200.23 · 2024-11-21
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
MPWR
14
Sells (3M)
52
Sells (12M)
Total value (12M): $703.28M
TSENG SARIA H
General Counsel
$12.86M
@ $1700.00 · 2026-05-27
DEAN ROBERT W II
Chief Financial Officer
$36,290
@ $1649.55 · 2026-05-26
ZHOU JEFFREY
Director
$816,480
@ $1680.00 · 2026-05-26
TSENG SARIA H
General Counsel
$7.93M
@ $1586.43 · 2026-05-22
DEAN ROBERT W II
Chief Financial Officer
$6,253
@ $1563.25 · 2026-05-18
SCIAMMAS MAURICE
Officer
$18.74M
@ $1561.40 · 2026-05-15
ELMIGER EUGEN J
Director
$19.02M
@ $1584.96 · 2026-05-06
WYNNE EILEEN
Director
$530,198
@ $1582.68 · 2026-05-06
ZHOU JEFFREY
Director
$2.43M
@ $1607.85 · 2026-05-06
XIAO DEMING
Officer
$49.64M
@ $1654.55 · 2026-05-06
TSENG SARIA H
General Counsel
$11.70M
@ $1305.22 · 2026-04-08
TSENG SARIA H
General Counsel
$8.92M
@ $1167.95 · 2026-04-06
TSENG SARIA H
General Counsel
$1.59M
@ $1133.52 · 2026-04-01
TSENG SARIA H
General Counsel
$25.94M
@ $1010.50 · 2026-03-30
HSING MICHAEL R
Chief Executive Officer
$38.67M
@ $1171.83 · 2026-02-12
HSING MICHAEL R
Chief Executive Officer
$39.23M
@ $1188.92 · 2026-02-11
HSING MICHAEL R
Chief Executive Officer
$38.84M
@ $1142.28 · 2026-02-10
LEE VICTOR K
Director
$484,864
@ $1212.16 · 2026-02-09
HSING MICHAEL R
Chief Executive Officer
$64.32M
@ $1171.16 · 2026-02-06
SCIAMMAS MAURICE
Officer
$26.79M
@ $1171.16 · 2026-02-06
BLEGEN THEODORE
Chief Financial Officer
$25.44M
@ $1171.16 · 2026-02-06
TSENG SARIA H
General Counsel
$26.79M
@ $1171.16 · 2026-02-06
XIAO DEMING
Officer
$26.79M
@ $1171.16 · 2026-02-06
BLEGEN THEODORE
Chief Financial Officer
$3.39M
@ $1129.76 · 2026-02-02
LEE VICTOR K
Director
$558,516
@ $930.86 · 2026-01-02
BLEGEN THEODORE
Chief Financial Officer
$2.82M
@ $940.47 · 2026-01-02
LEE VICTOR K
Director
$951,719
@ $951.72 · 2025-12-24
BLEGEN THEODORE
Chief Financial Officer
$2.72M
@ $908.21 · 2025-12-01
TSENG SARIA H
General Counsel
$18.53M
@ $926.47 · 2025-11-26
CHANG KUO WEI HERBERT
Director
$89,697
@ $896.97 · 2025-11-25
TSENG SARIA H
General Counsel
$18.08M
@ $904.18 · 2025-11-25
SCIAMMAS MAURICE
Officer
$3.56M
@ $895.23 · 2025-11-24
CHANG KUO WEI HERBERT
Director
$87,397
@ $873.97 · 2025-11-21
SCIAMMAS MAURICE
Officer
$6.12M
@ $870.21 · 2025-11-19
SCIAMMAS MAURICE
Officer
$24.66M
@ $881.66 · 2025-11-19
HSING MICHAEL R
Chief Executive Officer
$35.72M
@ $965.52 · 2025-11-12
HSING MICHAEL R
Chief Executive Officer
$38.34M
@ $958.39 · 2025-11-11
BLEGEN THEODORE
Chief Financial Officer
$3.07M
@ $1024.43 · 2025-11-03
TSENG SARIA H
General Counsel
$1.41M
@ $1087.62 · 2025-10-24
TSENG SARIA H
General Counsel
$17.14M
@ $1017.77 · 2025-10-16
BLEGEN THEODORE
Chief Financial Officer
$2.74M
@ $913.22 · 2025-10-01
MARTINEZ CARINTIA
Director
$1.26M
@ $900.00 · 2025-09-18
TSENG SARIA H
General Counsel
$13.27M
@ $914.45 · 2025-09-18
BLEGEN THEODORE
Chief Financial Officer
$2.44M
@ $814.34 · 2025-09-02
ELMIGER EUGEN J
Director
$3.39M
@ $846.71 · 2025-08-29
ZHOU JEFFREY
Director
$167,910
@ $870.00 · 2025-08-27
HSING MICHAEL R
Chief Executive Officer
$16.77M
@ $829.10 · 2025-08-15
ZHOU JEFFREY
Director
$340,000
@ $850.00 · 2025-08-13
ZHOU JEFFREY
Director
$166,000
@ $830.00 · 2025-08-12
BLEGEN THEODORE
Chief Financial Officer
$2.25M
@ $750.00 · 2025-08-01
XIAO DEMING
Officer
$31.20M
@ $780.00 · 2025-08-01
BLEGEN THEODORE
Chief Financial Officer
$4.50M
@ $750.00 · 2025-07-01
CHANG KUO WEI HERBERT
Director
$36,900
@ $738.00 · 2025-05-13
CHANG KUO WEI HERBERT
Director
$69,800
@ $698.00 · 2025-05-12
CHANG KUO WEI HERBERT
Director
$65,000
@ $650.00 · 2025-05-08
HSING MICHAEL R
Chief Executive Officer
$3.64M
@ $700.00 · 2025-02-18
HSING MICHAEL R
Chief Executive Officer
$1.86M
@ $717.10 · 2025-02-10
SCIAMMAS MAURICE
Officer
$474,721
@ $717.10 · 2025-02-10
BLEGEN THEODORE
Chief Financial Officer
$381,498
@ $717.10 · 2025-02-10
TSENG SARIA H
General Counsel
$475,438
@ $717.10 · 2025-02-10
XIAO DEMING
Officer
$474,721
@ $717.10 · 2025-02-10
HSING MICHAEL R
Chief Executive Officer
$8.37M
@ $700.00 · 2025-02-07
HSING MICHAEL R
Chief Executive Officer
$2.55M
@ $700.00 · 2025-01-24
BLEGEN THEODORE
Chief Financial Officer
$1.50M
@ $600.00 · 2024-12-09
HSING MICHAEL R
Chief Executive Officer
$2.15M
@ $765.15 · 2024-11-08
SCIAMMAS MAURICE
Officer
$662,611
@ $765.14 · 2024-11-08
BLEGEN THEODORE
Chief Financial Officer
$561,620
@ $765.15 · 2024-11-08
TSENG SARIA H
General Counsel
$662,611
@ $765.14 · 2024-11-08
XIAO DEMING
Officer
$662,611
@ $765.14 · 2024-11-08
BLEGEN THEODORE
Chief Financial Officer
$1.93M
@ $772.96 · 2024-11-01
SCIAMMAS MAURICE
Officer
$10.23M
@ $929.59 · 2024-10-07
BLEGEN THEODORE
Chief Financial Officer
$2.27M
@ $908.36 · 2024-10-01
BLEGEN THEODORE
Chief Financial Officer
$2.26M
@ $904.20 · 2024-09-03
CHANG KUO WEI HERBERT
Director
$178,688
@ $893.44 · 2024-08-15
HSING MICHAEL R
Chief Executive Officer
$3.53M
@ $827.18 · 2024-08-09
HSING MICHAEL R
Chief Executive Officer
$2.17M
@ $778.39 · 2024-08-08
SCIAMMAS MAURICE
Officer
$668,637
@ $778.39 · 2024-08-08
BLEGEN THEODORE
Chief Financial Officer
$566,668
@ $778.39 · 2024-08-08
TSENG SARIA H
General Counsel
$668,637
@ $778.39 · 2024-08-08
XIAO DEMING
Officer
$668,637
@ $778.39 · 2024-08-08
BLEGEN THEODORE
Chief Financial Officer
$2.13M
@ $852.51 · 2024-08-01
HSING MICHAEL R
Chief Executive Officer
$7.99M
@ $831.58 · 2024-07-22
SCIAMMAS MAURICE
Officer
$2.67M
@ $831.58 · 2024-07-22
BLEGEN THEODORE
Chief Financial Officer
$2.15M
@ $831.58 · 2024-07-22
TSENG SARIA H
General Counsel
$2.67M
@ $831.58 · 2024-07-22
XIAO DEMING
Officer
$2.67M
@ $831.58 · 2024-07-22
SCIAMMAS MAURICE
Officer
$9.28M
@ $843.83 · 2024-07-08
TSENG SARIA H
General Counsel
$1.53M
@ $824.65 · 2024-07-02
HSING MICHAEL R
Chief Executive Officer
$2.15M
@ $804.57 · 2024-07-01
BLEGEN THEODORE
Chief Financial Officer
$2.01M
@ $804.19 · 2024-07-01
TSENG SARIA H
General Counsel
$29.98M
@ $808.20 · 2024-07-01
LEE VICTOR K
Director
$820,460
@ $820.46 · 2024-06-28
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 →AMZN
😐Neutral(50/100)
"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.
MPWR
😐Neutral(54/100)
"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 →AMZN
⚪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 (50)
MPWR
⚪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 (54)
Frequently Asked Questions: AMZN vs MPWR
Is Amazon.com, Inc. or Monolithic Power Systems, Inc. more undervalued in 2026?▼
Based on our discounted cash flow model, AMZN trades at a -16.1% margin of safety (intrinsic value $211 vs. price $244), compared to MPWR's -133.9% margin of safety (intrinsic $669 vs. $1564).
Which stock has a wider economic moat, Amazon.com, Inc. or Monolithic Power Systems, Inc.?▼
MPWR scores 80/100 (Wide moat), while AMZN scores 51/100 (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, Amazon.com, Inc. or Monolithic Power Systems, Inc.?▼
Monolithic Power Systems, Inc. (MPWR) generates a 0.9% free cash flow yield, compared to Amazon.com, Inc.'s 0.4%. 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, Amazon.com, Inc. or Monolithic Power Systems, Inc.?▼
MPWR earns 18.9% ROIC versus AMZN's 11.4%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.