MPWR vs. TSEM: Monolithic Power Systems vs. Tower Semiconductor Stock Comparison

November 11, 2026

How do Monolithic Power Systems (MPWR) and Tower Semiconductor (TSEM) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Monolithic Power Systems (MPWR) and Tower Semiconductor (TSEM) are both classified in the Semiconductors sub-industry within the broader Semiconductors & Semiconductor Equipment industry, placing them in the closest GICS peer bucket.

Company profile comparison for Monolithic Power Systems (MPWR) and Tower Semiconductor (TSEM)
Profile Item	MPWR	TSEM
Name	Monolithic Power Systems Inc.	Tower Semiconductor Ltd.
Country/Region	United States	Israel
GICS Sector	Information Technology	Information Technology
GICS Industry Group	Semiconductors & Semiconductor Equipment	Semiconductors & Semiconductor Equipment
GICS Industry	Semiconductors & Semiconductor Equipment	Semiconductors & Semiconductor Equipment
GICS Sub-Industry	Semiconductors	Semiconductors
Market Capitalization	58.06 billion USD	15.59 billion USD
Currency	USD	USD
Exchange	Nasdaq	Nasdaq
Listing Date	November 19, 2004	October 26, 1994
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

MPWR

TSEM

GSPC

Monolithic Power Systems (MPWR) vs. Tower Semiconductor (TSEM), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Monolithic Power Systems (MPWR) and Tower Semiconductor (TSEM). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Monolithic Power Systems (MPWR) and Tower Semiconductor (TSEM). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Monolithic Power Systems (MPWR) and Tower Semiconductor (TSEM)
Metric	MPWR	TSEM
Total Return (1Y)	42.29%	78.71%
Total Return (3Y, Annualized)	42.13%	83.79%
Total Return (5Y, Annualized)	20.48%	32.56%

Risk Profile

Drawdown History

MPWR

TSEM

GSPC

Monolithic Power Systems (MPWR) vs. Tower Semiconductor (TSEM), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Monolithic Power Systems (MPWR) and Tower Semiconductor (TSEM). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Monolithic Power Systems (MPWR) and Tower Semiconductor (TSEM)
Metric	MPWR	TSEM
Volatility (1Y, Annualized)	57.22%	84.90%
Beta (5Y)	1.67	0.99
Max Drawdown (5Y)	-51.65%	-58.66%
Avg. Volume (3M)	776.23K	2.22M

Risk-Adjusted Performance

Risk-Return Positioning

MPWR and TSEM are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Monolithic Power Systems (MPWR) and Tower Semiconductor (TSEM)
Metric	MPWR	TSEM
Sharpe Ratio (1Y)	0.66	0.88
Sortino Ratio (1Y)	0.98	1.32

Profitability

ROE (TTM)

Monolithic Power Systems (MPWR) at 24.47% sits in the top ROE quartile, while Tower Semiconductor (TSEM) at 11.86% is closer to the peer norm — stronger capital efficiency for MPWR.

MPWR

Semiconductors & Semiconductor Equipment industry group

24.47%

Max: 52.82%
MPWR: 24.47%
Q3: 22.26%
Median: 10.58%
Q1: 1.29%
Min: -16.89%

TSEM

Semiconductors & Semiconductor Equipment industry group

11.86%

Max: 52.82%
Q3: 22.26%
TSEM: 11.86%
Median: 10.58%
Q1: 1.29%
Min: -16.89%

Monolithic Power Systems (MPWR) vs. Tower Semiconductor (TSEM): A comparison of their ROE against the Semiconductors & Semiconductor Equipment industry group benchmark.

Net Margin (TTM)

Both Monolithic Power Systems (MPWR) at 23.89% and Tower Semiconductor (TSEM) at 19.36% keep about the typical share of revenue as profit for their industries — neither bottom line stands out from peers.

MPWR

Semiconductors & Semiconductor Equipment industry group

23.89%

Max: 63.80%
Q3: 28.36%
MPWR: 23.89%
Median: 11.44%
Q1: 0.90%
Min: -37.77%

TSEM

Semiconductors & Semiconductor Equipment industry group

19.36%

Max: 63.80%
Q3: 28.36%
TSEM: 19.36%
Median: 11.44%
Q1: 0.90%
Min: -37.77%

Monolithic Power Systems (MPWR) vs. Tower Semiconductor (TSEM): A comparison of their net margin against the Semiconductors & Semiconductor Equipment industry group benchmark.

Operating Margin (TTM)

Both Monolithic Power Systems (MPWR) at 29.75% and Tower Semiconductor (TSEM) at 24.16% run core operations about as efficiently as their industries’ norm — neither stands out on operating profitability.

MPWR

Semiconductors & Semiconductor Equipment industry group

29.75%

Max: 58.66%
Q3: 30.23%
MPWR: 29.75%
Median: 15.91%
Q1: 7.54%
Min: -25.74%

TSEM

Semiconductors & Semiconductor Equipment industry group

24.16%

Max: 58.66%
Q3: 30.23%
TSEM: 24.16%
Median: 15.91%
Q1: 7.54%
Min: -25.74%

Monolithic Power Systems (MPWR) vs. Tower Semiconductor (TSEM): A comparison of their operating margin against the Semiconductors & Semiconductor Equipment industry group benchmark.

Profitability Metrics

Profitability metrics for Monolithic Power Systems (MPWR) and Tower Semiconductor (TSEM)
Metric	MPWR	TSEM
ROE (TTM)	24.47%	11.86%
ROA (TTM)	15.52%	6.07%
Net Margin (TTM)	23.89%	19.36%
Operating Margin (TTM)	29.75%	24.16%
Gross Margin (TTM)	55.26%	29.62%

Growth

Revenue Growth

Monolithic Power Systems (MPWR) at 26.43% sits in the top revenue growth quartile, while Tower Semiconductor (TSEM) at 9.05% is closer to the peer norm — faster top-line expansion for MPWR.

Monolithic Power Systems (MPWR) vs. Tower Semiconductor (TSEM): A comparison of their Revenue Growth across different time periods.

EPS Growth

Tower Semiconductor (TSEM) at 4.86% is around its peer norm for EPS growth, while Monolithic Power Systems (MPWR) at -64.85% drops into the bottom quartile, signaling weaker earnings momentum.

Monolithic Power Systems (MPWR) vs. Tower Semiconductor (TSEM): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Monolithic Power Systems (MPWR) and Tower Semiconductor (TSEM)
Metric	MPWR	TSEM
Revenue Growth (YoY)	26.43%	9.05%
Revenue Growth (3Y CAGR)	15.86%	-2.27%
EPS Growth (YoY)	-64.85%	4.86%
EPS Growth (3Y CAGR)	12.43%	-6.72%

Financial Strength

Current Ratio (MRQ)

Both Monolithic Power Systems (MPWR) at 3.70 and Tower Semiconductor (TSEM) at 3.72 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

MPWR

Semiconductors & Semiconductor Equipment industry group

3.70

Max: 10.33
Q3: 5.62
MPWR: 3.70
Median: 3.33
Q1: 2.35
Min: 1.03

TSEM

Semiconductors & Semiconductor Equipment industry group

3.72

Max: 10.33
Q3: 5.62
TSEM: 3.72
Median: 3.33
Q1: 2.35
Min: 1.03

Monolithic Power Systems (MPWR) vs. Tower Semiconductor (TSEM): A comparison of their current ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Debt / Equity (MRQ)

Monolithic Power Systems (MPWR) at 0.01 keeps leverage in the lower industry quartile, while Tower Semiconductor (TSEM) at 0.05 runs a more typical debt-to-equity mix.

MPWR

Semiconductors & Semiconductor Equipment industry group

0.01

Max: 1.46
Q3: 0.65
Median: 0.27
Q1: 0.04
MPWR: 0.01
Min: 0.00

TSEM

Semiconductors & Semiconductor Equipment industry group

0.05

Max: 1.46
Q3: 0.65
Median: 0.27
TSEM: 0.05
Q1: 0.04
Min: 0.00

Monolithic Power Systems (MPWR) vs. Tower Semiconductor (TSEM): A comparison of their debt-to-equity ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Monolithic Power Systems (MPWR) and Tower Semiconductor (TSEM)
Metric	MPWR	TSEM
Current Ratio (MRQ)	3.70	3.72
Debt / Equity (MRQ)	0.01	0.05
Net Debt / EBITDA	-0.92	-1.92

Dividends

Dividend Yield (TTM)

Tower Semiconductor (TSEM) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Monolithic Power Systems (MPWR) reports a yield of 0.67%, ranking against industry peers normally.

MPWR

Semiconductors & Semiconductor Equipment industry group

0.67%

Max: 1.37%
MPWR: 0.67%
Q3: 0.65%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

TSEM

Semiconductors & Semiconductor Equipment industry group

0.00%

Max: 1.37%
Q3: 0.65%
TSEM: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Monolithic Power Systems (MPWR) vs. Tower Semiconductor (TSEM): A comparison of their dividend yield against the Semiconductors & Semiconductor Equipment industry group benchmark.

Dividend Payout Ratio (TTM)

Tower Semiconductor (TSEM) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Monolithic Power Systems (MPWR) reports a payout of 41.65%, ranking against industry peers normally.

MPWR

Semiconductors & Semiconductor Equipment industry group

41.65%

Max: 49.64%
MPWR: 41.65%
Q3: 21.71%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

TSEM

Semiconductors & Semiconductor Equipment industry group

0.00%

Max: 49.64%
Q3: 21.71%
TSEM: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Monolithic Power Systems (MPWR) vs. Tower Semiconductor (TSEM): A comparison of their payout ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Dividend Metrics

Dividend metrics for Monolithic Power Systems (MPWR) and Tower Semiconductor (TSEM)
Metric	MPWR	TSEM
Dividend Yield (TTM)	0.67%	0.00%
Dividend Payout Ratio (TTM)	41.65%	0.00%

Valuation

P/E Ratio (TTM)

Both Monolithic Power Systems (MPWR) at 65.27 and Tower Semiconductor (TSEM) at 44.16 land around their industries’ usual P/E ratio levels — neither is getting a clear earnings-multiple discount or premium versus peers.

MPWR

Semiconductors & Semiconductor Equipment industry group

65.27

Max: 110.34
Q3: 66.81
MPWR: 65.27
Median: 37.02
Q1: 23.96
Min: 8.12

TSEM

Semiconductors & Semiconductor Equipment industry group

44.16

Max: 110.34
Q3: 66.81
TSEM: 44.16
Median: 37.02
Q1: 23.96
Min: 8.12

Monolithic Power Systems (MPWR) vs. Tower Semiconductor (TSEM): A comparison of their P/E ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

P/S Ratio (TTM)

Tower Semiconductor (TSEM) at 8.47 is priced about in line with its industry on P/S ratio, while Monolithic Power Systems (MPWR) at 15.53 sits in the pricier quartile — MPWR costs more per dollar of sales.

MPWR

Semiconductors & Semiconductor Equipment industry group

15.53

Max: 21.42
MPWR: 15.53
Q3: 12.27
Median: 5.76
Q1: 2.73
Min: 0.00

TSEM

Semiconductors & Semiconductor Equipment industry group

8.47

Max: 21.42
Q3: 12.27
TSEM: 8.47
Median: 5.76
Q1: 2.73
Min: 0.00

Monolithic Power Systems (MPWR) vs. Tower Semiconductor (TSEM): A comparison of their P/S ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

P/B Ratio (MRQ)

Tower Semiconductor (TSEM) at 4.85 sits near its industry’s typical P/B ratio, while Monolithic Power Systems (MPWR) at 15.56 prices above its benchmark range — MPWR looks rich relative to book.

MPWR

Semiconductors & Semiconductor Equipment industry group

15.56

MPWR: 15.56
Max: 14.06
Q3: 7.44
Median: 4.29
Q1: 2.30
Min: 0.20

TSEM

Semiconductors & Semiconductor Equipment industry group

4.85

Max: 14.06
Q3: 7.44
TSEM: 4.85
Median: 4.29
Q1: 2.30
Min: 0.20

Monolithic Power Systems (MPWR) vs. Tower Semiconductor (TSEM): A comparison of their P/B ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Valuation Metrics

Valuation metrics for Monolithic Power Systems (MPWR) and Tower Semiconductor (TSEM)
Metric	MPWR	TSEM
P/E Ratio (TTM)	65.27	44.16
P/S Ratio (TTM)	15.53	8.47
P/B Ratio (MRQ)	15.56	4.85
Free Cash Flow Yield (TTM)	0.87%	1.59%