MPWR vs. SITM: Monolithic Power Systems vs. SiTime Stock Comparison

November 11, 2026

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

Monolithic Power Systems (MPWR) has more than two decades of public-market history since November 19, 2004, whereas SiTime (SITM) listed on November 20, 2019 and has a much shorter record to draw on.

Company profile comparison for Monolithic Power Systems (MPWR) and SiTime (SITM)
Profile Item	MPWR	SITM
Name	Monolithic Power Systems Inc.	SiTime Corporation
Country/Region	United States	United States
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	12.59 billion USD
Currency	USD	USD
Exchange	Nasdaq	Nasdaq
Listing Date	November 19, 2004	November 20, 2019
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

MPWR

SITM

GSPC

Monolithic Power Systems (MPWR) vs. SiTime (SITM), 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 SiTime (SITM). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Monolithic Power Systems (MPWR) and SiTime (SITM). 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 SiTime (SITM)
Metric	MPWR	SITM
Total Return (1Y)	42.29%	40.83%
Total Return (3Y, Annualized)	42.13%	62.79%
Total Return (5Y, Annualized)	20.48%	13.55%

Risk Profile

Drawdown History

MPWR

SITM

GSPC

Monolithic Power Systems (MPWR) vs. SiTime (SITM), 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 SiTime (SITM). 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 SiTime (SITM)
Metric	MPWR	SITM
Volatility (1Y, Annualized)	57.22%	88.57%
Beta (5Y)	1.67	2.87
Max Drawdown (5Y)	-51.65%	-78.12%
Avg. Volume (3M)	776.23K	535.52K

Risk-Adjusted Performance

Risk-Return Positioning

MPWR and SITM 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 SiTime (SITM)
Metric	MPWR	SITM
Sharpe Ratio (1Y)	0.66	0.41
Sortino Ratio (1Y)	0.98	0.66

Profitability

ROE (TTM)

Monolithic Power Systems (MPWR) at 24.47% sits in the top ROE quartile, while SiTime (SITM) at 1.15% is in the bottom quartile, showing a clear gap in returns on equity.

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%

SITM

Semiconductors & Semiconductor Equipment industry group

1.15%

Max: 52.82%
Q3: 22.26%
Median: 10.58%
Q1: 1.29%
SITM: 1.15%
Min: -16.89%

Monolithic Power Systems (MPWR) vs. SiTime (SITM): 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 SiTime (SITM) at 3.87% 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%

SITM

Semiconductors & Semiconductor Equipment industry group

3.87%

Max: 63.80%
Q3: 28.36%
Median: 11.44%
SITM: 3.87%
Q1: 0.90%
Min: -37.77%

Monolithic Power Systems (MPWR) vs. SiTime (SITM): 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 SiTime (SITM) at 9.92% 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%

SITM

Semiconductors & Semiconductor Equipment industry group

9.92%

Max: 58.66%
Q3: 30.23%
Median: 15.91%
SITM: 9.92%
Q1: 7.54%
Min: -25.74%

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

Profitability Metrics

Profitability metrics for Monolithic Power Systems (MPWR) and SiTime (SITM)
Metric	MPWR	SITM
ROE (TTM)	24.47%	1.15%
ROA (TTM)	15.52%	0.89%
Net Margin (TTM)	23.89%	3.87%
Operating Margin (TTM)	29.75%	9.92%
Gross Margin (TTM)	55.26%	56.24%

Growth

Revenue Growth

Both Monolithic Power Systems (MPWR) at 26.43% and SiTime (SITM) at 61.16% sit in the top peer quartile for revenue growth, so each is growing its top line faster than typical industry peers.

Monolithic Power Systems (MPWR) vs. SiTime (SITM): A comparison of their Revenue Growth across different time periods.

EPS Growth

Only one side can be read here: Monolithic Power Systems (MPWR) reports EPS growth of -64.85%, ranked against its industry; SiTime (SITM) has no EPS growth figure this period.

Monolithic Power Systems (MPWR) vs. SiTime (SITM): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Monolithic Power Systems (MPWR) and SiTime (SITM)
Metric	MPWR	SITM
Revenue Growth (YoY)	26.43%	61.16%
Revenue Growth (3Y CAGR)	15.86%	4.82%
EPS Growth (YoY)	-64.85%	--
EPS Growth (3Y CAGR)	12.43%	--

Financial Strength

Current Ratio (MRQ)

Both Monolithic Power Systems (MPWR) at 3.70 and SiTime (SITM) at 5.56 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

SITM

Semiconductors & Semiconductor Equipment industry group

5.56

Max: 10.33
Q3: 5.62
SITM: 5.56
Median: 3.33
Q1: 2.35
Min: 1.03

Monolithic Power Systems (MPWR) vs. SiTime (SITM): 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 SiTime (SITM) at 0.38 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

SITM

Semiconductors & Semiconductor Equipment industry group

0.38

Max: 1.46
Q3: 0.65
SITM: 0.38
Median: 0.27
Q1: 0.04
Min: 0.00

Monolithic Power Systems (MPWR) vs. SiTime (SITM): 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 SiTime (SITM)
Metric	MPWR	SITM
Current Ratio (MRQ)	3.70	5.56
Debt / Equity (MRQ)	0.01	0.38
Net Debt / EBITDA	-0.92	6.66

Dividends

Dividend Yield (TTM)

SiTime (SITM) 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%

SITM

Semiconductors & Semiconductor Equipment industry group

0.00%

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

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

Dividend Payout Ratio (TTM)

SiTime (SITM) 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%

SITM

Semiconductors & Semiconductor Equipment industry group

0.00%

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

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

Dividend Metrics

Dividend metrics for Monolithic Power Systems (MPWR) and SiTime (SITM)
Metric	MPWR	SITM
Dividend Yield (TTM)	0.67%	0.00%
Dividend Payout Ratio (TTM)	41.65%	0.00%

Valuation

P/E Ratio (TTM)

Monolithic Power Systems (MPWR) at 65.27 is near its industry’s usual P/E ratio, while SiTime (SITM) at 416.92 sits above its peer range — an unusually expensive price for SITM’s trailing earnings.

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

SITM

Semiconductors & Semiconductor Equipment industry group

416.92

SITM: 416.92
Max: 110.34
Q3: 66.81
Median: 37.02
Q1: 23.96
Min: 8.12

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

P/S Ratio (TTM)

Both Monolithic Power Systems (MPWR) at 15.53 and SiTime (SITM) at 18.44 command a richer price per dollar of sales than most peers, sitting in the upper P/S ratio quartile of their industries.

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

SITM

Semiconductors & Semiconductor Equipment industry group

18.44

Max: 21.42
SITM: 18.44
Q3: 12.27
Median: 5.76
Q1: 2.73
Min: 0.00

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

P/B Ratio (MRQ)

SiTime (SITM) at 3.61 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

SITM

Semiconductors & Semiconductor Equipment industry group

3.61

Max: 14.06
Q3: 7.44
Median: 4.29
SITM: 3.61
Q1: 2.30
Min: 0.20

Monolithic Power Systems (MPWR) vs. SiTime (SITM): 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 SiTime (SITM)
Metric	MPWR	SITM
P/E Ratio (TTM)	65.27	416.92
P/S Ratio (TTM)	15.53	18.44
P/B Ratio (MRQ)	15.56	3.61
Free Cash Flow Yield (TTM)	0.87%	-0.05%