MTSI vs. STM: MACOM vs. STMicroelectronics Stock Comparison

November 11, 2026

How do MACOM (MTSI) and STMicroelectronics (STM) 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

MACOM (MTSI) and STMicroelectronics (STM) are both classified in the Semiconductors sub-industry within the broader Semiconductors & Semiconductor Equipment industry, placing them in the closest GICS peer bucket.

MACOM (MTSI) trades as ordinary local shares, while STMicroelectronics (STM) trades as an ADR — compare with FX exposure, depositary-program fees, and dividend-withholding-tax differences in mind.

Company profile comparison for MACOM (MTSI) and STMicroelectronics (STM)
Profile Item	MTSI	STM
Name	MACOM Technology Solutions Holdings, Inc.	STMicroelectronics N.V.
Country/Region	United States	Switzerland
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	16.11 billion USD	37.30 billion USD
Currency	USD	USD
Exchange	Nasdaq	NYSE
Listing Date	March 15, 2012	December 8, 1994
Security Type	Common Stock	ADR

Price Performance

Cumulative Growth

MTSI

STM

GSPC

MACOM (MTSI) vs. STMicroelectronics (STM), 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 MACOM (MTSI) and STMicroelectronics (STM). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for MACOM (MTSI) and STMicroelectronics (STM). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for MACOM (MTSI) and STMicroelectronics (STM)
Metric	MTSI	STM
Total Return (1Y)	33.29%	90.64%
Total Return (3Y, Annualized)	46.28%	4.24%
Total Return (5Y, Annualized)	25.03%	-1.95%

Risk Profile

Drawdown History

MTSI

STM

GSPC

MACOM (MTSI) vs. STMicroelectronics (STM), 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 MACOM (MTSI) and STMicroelectronics (STM). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for MACOM (MTSI) and STMicroelectronics (STM)
Metric	MTSI	STM
Volatility (1Y, Annualized)	68.69%	62.24%
Beta (5Y)	1.83	2.00
Max Drawdown (5Y)	-53.54%	-66.66%
Avg. Volume (3M)	1.51M	9.18M

Risk-Adjusted Performance

Risk-Return Positioning

MTSI and STM 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 MACOM (MTSI) and STMicroelectronics (STM)
Metric	MTSI	STM
Sharpe Ratio (1Y)	0.42	1.39
Sortino Ratio (1Y)	0.58	2.07

Profitability

ROE (TTM)

Both MACOM (MTSI) at 22.17% and STMicroelectronics (STM) at 2.95% land near their industries’ usual ROE ranges, so capital efficiency looks broadly in line with peers on both sides.

MTSI

Semiconductors & Semiconductor Equipment industry group

22.17%

Max: 52.82%
Q3: 22.26%
MTSI: 22.17%
Median: 10.58%
Q1: 1.29%
Min: -16.89%

STM

Semiconductors & Semiconductor Equipment industry group

2.95%

Max: 52.82%
Q3: 22.26%
Median: 10.58%
STM: 2.95%
Q1: 1.29%
Min: -16.89%

MACOM (MTSI) vs. STMicroelectronics (STM): A comparison of their ROE against the Semiconductors & Semiconductor Equipment industry group benchmark.

Net Margin (TTM)

Both MACOM (MTSI) at 25.25% and STMicroelectronics (STM) at 3.80% keep about the typical share of revenue as profit for their industries — neither bottom line stands out from peers.

MTSI

Semiconductors & Semiconductor Equipment industry group

25.25%

Max: 63.80%
Q3: 28.36%
MTSI: 25.25%
Median: 11.44%
Q1: 0.90%
Min: -37.77%

STM

Semiconductors & Semiconductor Equipment industry group

3.80%

Max: 63.80%
Q3: 28.36%
Median: 11.44%
STM: 3.80%
Q1: 0.90%
Min: -37.77%

MACOM (MTSI) vs. STMicroelectronics (STM): A comparison of their net margin against the Semiconductors & Semiconductor Equipment industry group benchmark.

Operating Margin (TTM)

MACOM (MTSI) at 31.66% operates in the top operating margin quartile, ahead of STMicroelectronics (STM) at 11.10%, which runs around its industry’s norm.

MTSI

Semiconductors & Semiconductor Equipment industry group

31.66%

Max: 58.66%
MTSI: 31.66%
Q3: 30.23%
Median: 15.91%
Q1: 7.54%
Min: -25.74%

STM

Semiconductors & Semiconductor Equipment industry group

11.10%

Max: 58.66%
Q3: 30.23%
Median: 15.91%
STM: 11.10%
Q1: 7.54%
Min: -25.74%

MACOM (MTSI) vs. STMicroelectronics (STM): A comparison of their operating margin against the Semiconductors & Semiconductor Equipment industry group benchmark.

Profitability Metrics

Profitability metrics for MACOM (MTSI) and STMicroelectronics (STM)
Metric	MTSI	STM
ROE (TTM)	22.17%	2.95%
ROA (TTM)	8.66%	2.63%
Net Margin (TTM)	25.25%	3.80%
Operating Margin (TTM)	31.66%	11.10%
Gross Margin (TTM)	58.11%	35.53%

Growth

Revenue Growth

Only one side can be read here: STMicroelectronics (STM) reports revenue growth of -11.07%, ranked against its industry; MACOM (MTSI) has no revenue growth figure this period.

MACOM (MTSI) vs. STMicroelectronics (STM): A comparison of their Revenue Growth across different time periods.

EPS Growth

Only one side can be read here: STMicroelectronics (STM) reports EPS growth of -89.16%, ranked against its industry; MACOM (MTSI) has no EPS growth figure this period.

MACOM (MTSI) vs. STMicroelectronics (STM): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for MACOM (MTSI) and STMicroelectronics (STM)
Metric	MTSI	STM
Revenue Growth (YoY)	--	-11.07%
Revenue Growth (3Y CAGR)	--	-9.89%
EPS Growth (YoY)	--	-89.16%
EPS Growth (3Y CAGR)	49.88%	-66.39%

Financial Strength

Current Ratio (MRQ)

Both MACOM (MTSI) at 2.54 and STMicroelectronics (STM) at 3.13 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

MTSI

Semiconductors & Semiconductor Equipment industry group

2.54

Max: 10.33
Q3: 5.62
Median: 3.33
MTSI: 2.54
Q1: 2.35
Min: 1.03

STM

Semiconductors & Semiconductor Equipment industry group

3.13

Max: 10.33
Q3: 5.62
Median: 3.33
STM: 3.13
Q1: 2.35
Min: 1.03

MACOM (MTSI) vs. STMicroelectronics (STM): A comparison of their current ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Debt / Equity (MRQ)

Both MACOM (MTSI) at 0.24 and STMicroelectronics (STM) at 0.19 fund their balance sheets with roughly industry-typical debt-to-equity mixes.

MTSI

Semiconductors & Semiconductor Equipment industry group

0.24

Max: 1.46
Q3: 0.65
Median: 0.27
MTSI: 0.24
Q1: 0.04
Min: 0.00

STM

Semiconductors & Semiconductor Equipment industry group

0.19

Max: 1.46
Q3: 0.65
Median: 0.27
STM: 0.19
Q1: 0.04
Min: 0.00

MACOM (MTSI) vs. STMicroelectronics (STM): A comparison of their debt-to-equity ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Financial Strength Metrics

Financial strength metrics for MACOM (MTSI) and STMicroelectronics (STM)
Metric	MTSI	STM
Current Ratio (MRQ)	2.54	3.13
Debt / Equity (MRQ)	0.24	0.19
Net Debt / EBITDA	-1.04	-0.63

Dividends

Dividend Yield (TTM)

MACOM (MTSI) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile STMicroelectronics (STM) reports a yield of 0.90%, ranking against industry peers normally.

MTSI

Semiconductors & Semiconductor Equipment industry group

0.00%

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

STM

Semiconductors & Semiconductor Equipment industry group

0.90%

Max: 1.37%
STM: 0.90%
Q3: 0.65%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

MACOM (MTSI) vs. STMicroelectronics (STM): A comparison of their dividend yield against the Semiconductors & Semiconductor Equipment industry group benchmark.

Dividend Payout Ratio (TTM)

MACOM (MTSI) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile STMicroelectronics (STM) reports a payout of 63.16%, ranking against industry peers normally.

MTSI

Semiconductors & Semiconductor Equipment industry group

0.00%

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

STM

Semiconductors & Semiconductor Equipment industry group

63.16%

STM: 63.16%
Max: 49.64%
Q3: 21.71%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

MACOM (MTSI) vs. STMicroelectronics (STM): A comparison of their payout ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Dividend Metrics

Dividend metrics for MACOM (MTSI) and STMicroelectronics (STM)
Metric	MTSI	STM
Dividend Yield (TTM)	0.00%	0.90%
Dividend Payout Ratio (TTM)	0.00%	63.16%

Valuation

P/E Ratio (TTM)

MACOM (MTSI) at 48.95 is near its industry’s usual P/E ratio, while STMicroelectronics (STM) at 73.19 sits in the richer quartile — STM needs stronger growth or earnings quality to justify the premium.

MTSI

Semiconductors & Semiconductor Equipment industry group

48.95

Max: 110.34
Q3: 66.81
MTSI: 48.95
Median: 37.02
Q1: 23.96
Min: 8.12

STM

Semiconductors & Semiconductor Equipment industry group

73.19

Max: 110.34
STM: 73.19
Q3: 66.81
Median: 37.02
Q1: 23.96
Min: 8.12

MACOM (MTSI) vs. STMicroelectronics (STM): A comparison of their P/E ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

P/S Ratio (TTM)

STMicroelectronics (STM) at 2.73 sits in the cheaper P/S ratio quartile while MACOM (MTSI) at 12.14 prices around its industry’s middle — STM costs less per dollar of sales, though read it alongside growth and margins.

MTSI

Semiconductors & Semiconductor Equipment industry group

12.14

Max: 21.42
Q3: 12.27
MTSI: 12.14
Median: 5.76
Q1: 2.73
Min: 0.00

STM

Semiconductors & Semiconductor Equipment industry group

2.73

Max: 21.42
Q3: 12.27
Median: 5.76
Q1: 2.73
STM: 2.73
Min: 0.00

MACOM (MTSI) vs. STMicroelectronics (STM): A comparison of their P/S ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

P/B Ratio (MRQ)

STMicroelectronics (STM) at 2.09 looks cheap against book in the lower P/B ratio quartile, while MACOM (MTSI) at 9.50 carries a premium in the upper quartile — a clear price-to-book gap.

MTSI

Semiconductors & Semiconductor Equipment industry group

9.50

Max: 14.06
MTSI: 9.50
Q3: 7.44
Median: 4.29
Q1: 2.30
Min: 0.20

STM

Semiconductors & Semiconductor Equipment industry group

2.09

Max: 14.06
Q3: 7.44
Median: 4.29
Q1: 2.30
STM: 2.09
Min: 0.20

MACOM (MTSI) vs. STMicroelectronics (STM): A comparison of their P/B ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Valuation Metrics

Valuation metrics for MACOM (MTSI) and STMicroelectronics (STM)
Metric	MTSI	STM
P/E Ratio (TTM)	48.95	73.19
P/S Ratio (TTM)	12.14	2.73
P/B Ratio (MRQ)	9.50	2.09
Free Cash Flow Yield (TTM)	1.15%	0.29%