Compare Stocks › MPWR vs V
Monolithic Power Systems, Inc. (MPWR) vs Visa Inc. (V): Which Is the Better Buy in 2026?
As of 2026-08-03, MPWR is overvalued at $1426, with a DCF intrinsic value of $725 and a margin of safety of -97%. V is overvalued at $366, with an intrinsic value of $311 and a margin of safety of -18%. Of the two, V has the wider margin of safety.
MPWR
Monolithic Power Systems, Inc.
$1426.03
VS
V
Visa Inc.
$366.13
Rewards
MPWR
- ★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.
- ★Each dollar of retained earnings has created $1.06 of earning power — management is creating shareholder value.
V
- ★Visa Inc. has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
- ★Gross margin of 97.7% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
- ★Visa Inc. scores 99/100 on the Economic Moat Score (Wide Moat), with roic consistency as the strongest competitive dimension.
Risks
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.
- ⚠Trailing P/E of 87.0x is 79% above the historical average of 48.7x — the stock trades at a premium to its own history.
V
- ⚠FCF yield of 3.0% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
- ⚠Insiders have sold $14.9M worth of stock in the past 3 months — significant insider liquidation.
Key Valuation Metrics
Learn more →MPWR
V
Valuation
N/A
Free Cash Flow
$20.40B
N/A
FCF Yield
2.98%
86.95
Trailing P/E
31.16
40.98
Forward P/E
24.49
Quality & Moat
N/A
ROIC
39.37%
21.98%
ROE
61.19%
55.20%
Gross Margin
97.72%
1.87
PEG Ratio
1.66
Balance Sheet Safety
N/A
Net Debt / Equity
0.29
No debt
Interest Coverage
N/A
-1.42
Net Debt / EBITDA
0.32
0.56%
Dividend Yield
0.73%
MPWR: 1V: 6
MPWRV
Historical Fundamentals
Learn more →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.
V
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 →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
V
$5.47
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$44.47B
Δ Market Cap
+$243.21B
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 →MPWR
68.6% Overvalued
Price is 68.6% above estimated fair value
Current Price: $1426.03
Strongly undervalued
Fairly valued
Strongly overvalued
Fair Value: $845.72
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
V
17.6% Overvalued
Price is 17.6% above estimated fair value
Current Price: $366.13
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $311.46
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Reverse DCF — Market-Implied Growth
Learn more →MPWR
Requires positive FCF to compute implied growth rate.
V
What growth rate is the market pricing in at $366?
+15.2%
Market-Implied Owner Earnings Growth
Standard FCF implies +14.9%
The market implies +15.2% Owner Earnings growth, above historical trends.
Standard FCF implies a demanding +14.9%, reflecting heavy growth investment.
Economic Moat Score
Learn more →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.
V
99/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None
Wide moat with strength across all dimensions. ROIC Consistency is the standout factor.
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 →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.
V
-2.50
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 →MPWR
Insiders 3.6%Institutions 100.8%
No. of Institutional Holders1,652
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.
V
Insiders 0.1%Institutions 89.4%Retail & Other 10.5%
No. of Institutional Holders5,880
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 →MPWR
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
V
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 →MPWR
11
Sells (3M)
50
Sells (12M)
Total value (12M): $685.57M
SCIAMMAS MAURICE
Officer
$20.25M
@ $1349.73 · 2026-07-15
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
XIAO DEMING
Officer
$49.64M
@ $1654.55 · 2026-05-06
WYNNE EILEEN
Director
$530,198
@ $1582.68 · 2026-05-06
ZHOU JEFFREY
Director
$2.43M
@ $1607.85 · 2026-05-06
ELMIGER EUGEN J
Director
$19.02M
@ $1584.96 · 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
TSENG SARIA H
General Counsel
$26.79M
@ $1171.16 · 2026-02-06
XIAO DEMING
Officer
$26.79M
@ $1171.16 · 2026-02-06
SCIAMMAS MAURICE
Officer
$26.79M
@ $1171.16 · 2026-02-06
BLEGEN THEODORE BERNHARD
Chief Financial Officer
$25.44M
@ $1171.16 · 2026-02-06
BLEGEN THEODORE BERNHARD
Chief Financial Officer
$3.39M
@ $1129.76 · 2026-02-02
LEE VICTOR K
Director
$558,516
@ $930.86 · 2026-01-02
BLEGEN THEODORE BERNHARD
Chief Financial Officer
$2.82M
@ $940.47 · 2026-01-02
LEE VICTOR K
Director
$951,719
@ $951.72 · 2025-12-24
BLEGEN THEODORE BERNHARD
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 BERNHARD
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 BERNHARD
Chief Financial Officer
$2.74M
@ $913.22 · 2025-10-01
TSENG SARIA H
General Counsel
$13.27M
@ $914.45 · 2025-09-18
MARTINEZ CARINTIA
Director
$1.26M
@ $900.00 · 2025-09-18
BLEGEN THEODORE BERNHARD
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
XIAO DEMING
Officer
$31.20M
@ $780.00 · 2025-08-01
BLEGEN THEODORE BERNHARD
Chief Financial Officer
$2.25M
@ $750.00 · 2025-08-01
BLEGEN THEODORE BERNHARD
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
TSENG SARIA H
General Counsel
$475,438
@ $717.10 · 2025-02-10
XIAO DEMING
Officer
$474,721
@ $717.10 · 2025-02-10
SCIAMMAS MAURICE
Officer
$474,721
@ $717.10 · 2025-02-10
BLEGEN THEODORE BERNHARD
Chief Financial Officer
$381,498
@ $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 BERNHARD
Chief Financial Officer
$1.50M
@ $600.00 · 2024-12-09
HSING MICHAEL R
Chief Executive Officer
$2.15M
@ $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
SCIAMMAS MAURICE
Officer
$662,611
@ $765.14 · 2024-11-08
BLEGEN THEODORE BERNHARD
Chief Financial Officer
$561,620
@ $765.15 · 2024-11-08
BLEGEN THEODORE BERNHARD
Chief Financial Officer
$1.93M
@ $772.96 · 2024-11-01
SCIAMMAS MAURICE
Officer
$10.23M
@ $929.59 · 2024-10-07
BLEGEN THEODORE BERNHARD
Chief Financial Officer
$2.27M
@ $908.36 · 2024-10-01
BLEGEN THEODORE BERNHARD
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
TSENG SARIA H
General Counsel
$668,637
@ $778.39 · 2024-08-08
XIAO DEMING
Officer
$668,637
@ $778.39 · 2024-08-08
SCIAMMAS MAURICE
Officer
$668,637
@ $778.39 · 2024-08-08
BLEGEN THEODORE BERNHARD
Chief Financial Officer
$566,668
@ $778.39 · 2024-08-08
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
V
4
Sells (3M)
19
Sells (12M)
Total value (12M): $62.30M
ROTTENBERG JULIE B
General Counsel
$729,720
@ $360.00 · 2026-07-02
MCINERNEY RYAN
Chief Executive Officer
$3.61M
@ $343.99 · 2026-07-01
MCINERNEY RYAN
Chief Executive Officer
$7.13M
@ $340.25 · 2026-06-29
SUH CHRIS
Chief Financial Officer
$3.46M
@ $324.81 · 2026-05-12
MCINERNEY RYAN
Chief Executive Officer
$10.70M
@ $340.14 · 2026-04-29
CARNEY LLOYD
Director
$201,253
@ $309.62 · 2026-03-11
MCINERNEY RYAN
Chief Executive Officer
$3.66M
@ $349.18 · 2026-01-02
MCINERNEY RYAN
Chief Executive Officer
$3.57M
@ $340.07 · 2025-12-11
ROTTENBERG JULIE B
General Counsel
$699,315
@ $345.00 · 2025-12-11
TANEJA RAJAT
Officer
$7.84M
@ $330.14 · 2025-12-02
FABARA PAUL D
Officer
$2.50M
@ $331.45 · 2025-12-02
TANEJA RAJAT
Officer
$2.08M
@ $330.00 · 2025-11-21
FABARA PAUL D
Officer
$707,917
@ $325.93 · 2025-11-21
CARNEY LLOYD
Director
$302,832
@ $336.48 · 2025-11-04
MCINERNEY RYAN
Chief Executive Officer
$3.58M
@ $341.00 · 2025-11-03
MCINERNEY RYAN
Chief Executive Officer
$3.59M
@ $342.30 · 2025-10-01
MCINERNEY RYAN
Chief Executive Officer
$3.65M
@ $348.57 · 2025-09-02
ROTTENBERG JULIE B
General Counsel
$697,329
@ $344.02 · 2025-08-18
MCINERNEY RYAN
Chief Executive Officer
$3.60M
@ $343.13 · 2025-08-14
MCINERNEY RYAN
Chief Executive Officer
$3.05M
@ $353.82 · 2025-07-01
FABARA PAUL D
Officer
$4.36M
@ $375.00 · 2025-06-11
TANEJA RAJAT
President
$18.44M
@ $368.87 · 2025-06-05
FABARA PAUL D
Officer
$17.10M
@ $370.00 · 2025-06-05
MCINERNEY RYAN
Chief Executive Officer
$3.13M
@ $362.77 · 2025-06-02
FABARA PAUL D
Officer
$6.32M
@ $357.45 · 2025-05-12
FABARA PAUL D
Officer
$5.26M
@ $355.04 · 2025-05-08
MCINERNEY RYAN
Chief Executive Officer
$2.98M
@ $345.58 · 2025-05-01
ROTTENBERG JULIE B
General Counsel
$889,868
@ $345.58 · 2025-05-01
MCINERNEY RYAN
Chief Executive Officer
$3.02M
@ $350.44 · 2025-04-01
FABARA PAUL D
Officer
$13.40M
@ $340.41 · 2025-03-19
FABARA PAUL D
Officer
$12.88M
@ $327.20 · 2025-03-14
MCINERNEY RYAN
Chief Executive Officer
$3.13M
@ $363.00 · 2025-03-03
MAHON TULLIER KELLY
Officer
$11.80M
@ $349.77 · 2025-02-07
ANDRESKI PETER M
Officer
$815,314
@ $349.62 · 2025-02-07
MCINERNEY RYAN
Chief Executive Officer
$2.93M
@ $340.00 · 2025-02-03
ROTTENBERG JULIE B
General Counsel
$874,480
@ $340.00 · 2025-02-03
MCINERNEY RYAN
Chief Executive Officer
$2.74M
@ $317.78 · 2025-01-02
TANEJA RAJAT
Officer
$11.15M
@ $315.55 · 2024-12-13
MCINERNEY RYAN
Chief Executive Officer
$2.73M
@ $316.90 · 2024-12-02
FABARA PAUL D
Officer
$668,603
@ $307.97 · 2024-11-22
MCINERNEY RYAN
Chief Executive Officer
$2.49M
@ $288.49 · 2024-11-01
ROTTENBERG JULIE B
General Counsel
$741,996
@ $288.49 · 2024-11-01
MCINERNEY RYAN
Chief Executive Officer
$2.39M
@ $276.97 · 2024-10-01
MCINERNEY RYAN
Chief Executive Officer
$2.38M
@ $276.37 · 2024-09-03
MCINERNEY RYAN
Chief Executive Officer
$2.37M
@ $275.00 · 2024-08-29
ROTTENBERG JULIE B
General Counsel
$707,300
@ $275.00 · 2024-08-29
MAHON TULLIER KELLY
Officer
$10.12M
@ $267.64 · 2024-08-16
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 →MPWR
😐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.
V
😏Greed(68/100)
"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 →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 (51)
V
⚪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 (68)
Frequently Asked Questions: MPWR vs V
Is Monolithic Power Systems, Inc. or Visa Inc. more undervalued in 2026?▼
Based on our discounted cash flow model, V trades at a -17.6% margin of safety (intrinsic value $311 vs. price $366), compared to MPWR's -96.7% margin of safety (intrinsic $725 vs. $1426).
Which stock has a wider economic moat, Monolithic Power Systems, Inc. or Visa Inc.?▼
V scores 99/100 (Wide moat), while MPWR scores 80/100 (Wide moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.
Which dividend is safer, Monolithic Power Systems, Inc.'s or Visa Inc.'s?▼
V's dividend earns a safety score of 94/100 (Very Safe), compared to MPWR's 94/100 (Very Safe). V has raised its dividend for 3 consecutive years.