STM vs. TSM: STMicroelectronics vs. Taiwan Semiconductor Mfg Stock Comparison

November 11, 2026

How do STMicroelectronics (STM) and Taiwan Semiconductor Mfg (TSM) 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

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

Both STMicroelectronics (STM) and Taiwan Semiconductor Mfg (TSM) trade as ADRs — their core financials are comparable, but keep FX, depositary-program fees, and dividend withholding in view for each.

Company profile comparison for STMicroelectronics (STM) and Taiwan Semiconductor Mfg (TSM)
Profile Item	STM	TSM
Name	STMicroelectronics N.V.	Taiwan Semiconductor Manufacturing Company Ltd. ADR
Country/Region	Switzerland	Taiwan
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	37.30 billion USD	1,947.21 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	December 8, 1994	October 9, 1997
Security Type	ADR	ADR

Price Performance

Cumulative Growth

STM

TSM

GSPC

STMicroelectronics (STM) vs. Taiwan Semiconductor Mfg (TSM), 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 STMicroelectronics (STM) and Taiwan Semiconductor Mfg (TSM). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for STMicroelectronics (STM) and Taiwan Semiconductor Mfg (TSM). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for STMicroelectronics (STM) and Taiwan Semiconductor Mfg (TSM)
Metric	STM	TSM
Total Return (1Y)	90.64%	37.26%
Total Return (3Y, Annualized)	4.24%	64.12%
Total Return (5Y, Annualized)	-1.95%	28.19%

Risk Profile

Drawdown History

STM

TSM

GSPC

STMicroelectronics (STM) vs. Taiwan Semiconductor Mfg (TSM), 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 STMicroelectronics (STM) and Taiwan Semiconductor Mfg (TSM). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for STMicroelectronics (STM) and Taiwan Semiconductor Mfg (TSM)
Metric	STM	TSM
Volatility (1Y, Annualized)	62.24%	41.69%
Beta (5Y)	2.00	1.45
Max Drawdown (5Y)	-66.66%	-56.47%
Avg. Volume (3M)	9.18M	11.20M

Risk-Adjusted Performance

Risk-Return Positioning

STM and TSM 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 STMicroelectronics (STM) and Taiwan Semiconductor Mfg (TSM)
Metric	STM	TSM
Sharpe Ratio (1Y)	1.39	0.79
Sortino Ratio (1Y)	2.07	1.15

Profitability

ROE (TTM)

Taiwan Semiconductor Mfg (TSM) at 41.86% sits in the top ROE quartile, while STMicroelectronics (STM) at 2.95% is closer to the peer norm — stronger capital efficiency for TSM.

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%

TSM

Semiconductors & Semiconductor Equipment industry group

41.86%

Max: 52.82%
TSM: 41.86%
Q3: 22.26%
Median: 10.58%
Q1: 1.29%
Min: -16.89%

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

Net Margin (TTM)

Taiwan Semiconductor Mfg (TSM) at 51.12% retains a top-quartile share of revenue as profit, ahead of STMicroelectronics (STM) at 3.80%, which keeps about the industry-typical share.

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%

TSM

Semiconductors & Semiconductor Equipment industry group

51.12%

Max: 63.80%
TSM: 51.12%
Q3: 28.36%
Median: 11.44%
Q1: 0.90%
Min: -37.77%

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

Operating Margin (TTM)

Taiwan Semiconductor Mfg (TSM) at 58.66% operates in the top operating margin quartile, ahead of STMicroelectronics (STM) at 11.10%, which runs around its industry’s norm.

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%

TSM

Semiconductors & Semiconductor Equipment industry group

58.66%

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

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

Profitability Metrics

Profitability metrics for STMicroelectronics (STM) and Taiwan Semiconductor Mfg (TSM)
Metric	STM	TSM
ROE (TTM)	2.95%	41.86%
ROA (TTM)	2.63%	20.58%
Net Margin (TTM)	3.80%	51.12%
Operating Margin (TTM)	11.10%	58.66%
Gross Margin (TTM)	35.53%	65.85%

Growth

Revenue Growth

Taiwan Semiconductor Mfg (TSM) at 31.61% sits in the top revenue growth quartile, while STMicroelectronics (STM) at -11.07% is in the bottom quartile, showing a clear gap in revenue momentum.

STMicroelectronics (STM) vs. Taiwan Semiconductor Mfg (TSM): A comparison of their Revenue Growth across different time periods.

EPS Growth

Taiwan Semiconductor Mfg (TSM) at 46.41% sits in the top EPS growth quartile, while STMicroelectronics (STM) at -89.16% is in the bottom quartile, showing a clear gap in earnings momentum.

STMicroelectronics (STM) vs. Taiwan Semiconductor Mfg (TSM): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for STMicroelectronics (STM) and Taiwan Semiconductor Mfg (TSM)
Metric	STM	TSM
Revenue Growth (YoY)	-11.07%	31.61%
Revenue Growth (3Y CAGR)	-9.89%	18.94%
EPS Growth (YoY)	-89.16%	46.41%
EPS Growth (3Y CAGR)	-66.39%	19.12%

Financial Strength

Current Ratio (MRQ)

Both STMicroelectronics (STM) at 3.13 and Taiwan Semiconductor Mfg (TSM) at 2.51 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

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

TSM

Semiconductors & Semiconductor Equipment industry group

2.51

Max: 10.33
Q3: 5.62
Median: 3.33
TSM: 2.51
Q1: 2.35
Min: 1.03

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

Debt / Equity (MRQ)

Both STMicroelectronics (STM) at 0.19 and Taiwan Semiconductor Mfg (TSM) at 0.12 fund their balance sheets with roughly industry-typical debt-to-equity mixes.

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

TSM

Semiconductors & Semiconductor Equipment industry group

0.12

Max: 1.46
Q3: 0.65
Median: 0.27
TSM: 0.12
Q1: 0.04
Min: 0.00

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

Financial Strength Metrics

Financial strength metrics for STMicroelectronics (STM) and Taiwan Semiconductor Mfg (TSM)
Metric	STM	TSM
Current Ratio (MRQ)	3.13	2.51
Debt / Equity (MRQ)	0.19	0.12
Net Debt / EBITDA	-0.63	-0.89

Dividends

Dividend Yield (TTM)

STMicroelectronics (STM) at 0.90% earns its spot in the top quartile of its industry’s yields; Taiwan Semiconductor Mfg (TSM) at 1.70% is past the top of its own peer range — territory where a dividend-safety check matters more than the headline number.

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%

TSM

Semiconductors & Semiconductor Equipment industry group

1.70%

TSM: 1.70%
Max: 1.37%
Q3: 0.65%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

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

Dividend Payout Ratio (TTM)

Both pay out more than their industries’ typical bands, and STM more so: Taiwan Semiconductor Mfg (TSM) at 24.46% sits above the band, while STMicroelectronics (STM) at 63.16% exceeds every peer in its group.

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%

TSM

Semiconductors & Semiconductor Equipment industry group

24.46%

Max: 49.64%
TSM: 24.46%
Q3: 21.71%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

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

Dividend Metrics

Dividend metrics for STMicroelectronics (STM) and Taiwan Semiconductor Mfg (TSM)
Metric	STM	TSM
Dividend Yield (TTM)	0.90%	1.70%
Dividend Payout Ratio (TTM)	63.16%	24.46%

Valuation

P/E Ratio (TTM)

Taiwan Semiconductor Mfg (TSM) at 24.33 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.

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

TSM

Semiconductors & Semiconductor Equipment industry group

24.33

Max: 110.34
Q3: 66.81
Median: 37.02
TSM: 24.33
Q1: 23.96
Min: 8.12

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

P/S Ratio (TTM)

Both STMicroelectronics (STM) at 2.73 and Taiwan Semiconductor Mfg (TSM) at 0.39 fetch a relatively low price per dollar of sales, landing in the cheaper P/S ratio quartile of their industries.

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

TSM

Semiconductors & Semiconductor Equipment industry group

0.39

Max: 21.42
Q3: 12.27
Median: 5.76
Q1: 2.73
TSM: 0.39
Min: 0.00

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

P/B Ratio (MRQ)

STMicroelectronics (STM) at 2.09 sits in the lower P/B ratio quartile relative to book while Taiwan Semiconductor Mfg (TSM) at 71.65 prices above its industry range — a wide valuation gap against assets.

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

TSM

Semiconductors & Semiconductor Equipment industry group

71.65

TSM: 71.65
Max: 14.06
Q3: 7.44
Median: 4.29
Q1: 2.30
Min: 0.20

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

Valuation Metrics

Valuation metrics for STMicroelectronics (STM) and Taiwan Semiconductor Mfg (TSM)
Metric	STM	TSM
P/E Ratio (TTM)	73.19	24.33
P/S Ratio (TTM)	2.73	0.39
P/B Ratio (MRQ)	2.09	71.65
Free Cash Flow Yield (TTM)	0.29%	61.78%