ALAB vs. STM: Astera Labs vs. STMicroelectronics Stock Comparison

November 11, 2026

How do Astera Labs (ALAB) 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

Astera Labs (ALAB) 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.

STMicroelectronics (STM) carries decades of public-market history since December 8, 1994, while Astera Labs (ALAB) listed on March 20, 2024 — long-window comparisons have far more historical data on the STM side.

Astera Labs (ALAB) 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 Astera Labs (ALAB) and STMicroelectronics (STM)
Profile Item	ALAB	STM
Name	Astera Labs, 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	33.33 billion USD	37.30 billion USD
Currency	USD	USD
Exchange	Nasdaq	NYSE
Listing Date	March 20, 2024	December 8, 1994
Security Type	Common Stock	ADR

Price Performance

Cumulative Growth

ALAB

STM

GSPC

Astera Labs (ALAB) 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 Astera Labs (ALAB) and STMicroelectronics (STM). Returns over one year are annualized.

Calendar-Year Returns

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

Performance Metrics

Price performance metrics for Astera Labs (ALAB) and STMicroelectronics (STM)
Metric	ALAB	STM
Total Return (1Y)	31.42%	90.64%
Total Return (3Y, Annualized)	--	4.24%
Total Return (5Y, Annualized)	--	-1.95%

Risk Profile

Drawdown History

ALAB

STM

GSPC

Astera Labs (ALAB) 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 Astera Labs (ALAB) and STMicroelectronics (STM). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Astera Labs (ALAB) and STMicroelectronics (STM)
Metric	ALAB	STM
Volatility (1Y, Annualized)	101.55%	62.24%
Beta (5Y)	3.95	2.00
Max Drawdown (5Y)	-63.69%	-66.66%
Avg. Volume (3M)	4.15M	9.18M

Risk-Adjusted Performance

Risk-Return Positioning

ALAB 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 Astera Labs (ALAB) and STMicroelectronics (STM)
Metric	ALAB	STM
Sharpe Ratio (1Y)	0.27	1.39
Sortino Ratio (1Y)	0.39	2.07

Profitability

ROE (TTM)

Astera Labs (ALAB) at 28.21% sits in the top ROE quartile, while STMicroelectronics (STM) at 2.95% is closer to the peer norm — stronger capital efficiency for ALAB.

ALAB

Semiconductors & Semiconductor Equipment industry group

28.21%

Max: 52.82%
ALAB: 28.21%
Q3: 22.26%
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%

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

Net Margin (TTM)

Astera Labs (ALAB) at 29.64% retains a top-quartile share of revenue as profit, ahead of STMicroelectronics (STM) at 3.80%, which keeps about the industry-typical share.

ALAB

Semiconductors & Semiconductor Equipment industry group

29.64%

Max: 63.80%
ALAB: 29.64%
Q3: 28.36%
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%

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

Operating Margin (TTM)

Astera Labs (ALAB) at 30.61% operates in the top operating margin quartile, ahead of STMicroelectronics (STM) at 11.10%, which runs around its industry’s norm.

ALAB

Semiconductors & Semiconductor Equipment industry group

30.61%

Max: 58.66%
ALAB: 30.61%
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%

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

Profitability Metrics

Profitability metrics for Astera Labs (ALAB) and STMicroelectronics (STM)
Metric	ALAB	STM
ROE (TTM)	28.21%	2.95%
ROA (TTM)	13.41%	2.63%
Net Margin (TTM)	29.64%	3.80%
Operating Margin (TTM)	30.61%	11.10%
Gross Margin (TTM)	73.89%	35.53%

Growth

Revenue Growth

Astera Labs (ALAB) at 115.13% delivers above-range revenue growth, while STMicroelectronics (STM) at -11.07% falls into the bottom quartile — a wide split in revenue momentum.

Astera Labs (ALAB) 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; Astera Labs (ALAB) has no EPS growth figure this period.

Astera Labs (ALAB) vs. STMicroelectronics (STM): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Astera Labs (ALAB) and STMicroelectronics (STM)
Metric	ALAB	STM
Revenue Growth (YoY)	115.13%	-11.07%
Revenue Growth (3Y CAGR)	120.18%	-9.89%
EPS Growth (YoY)	--	-89.16%
EPS Growth (3Y CAGR)	--	-66.39%

Financial Strength

Current Ratio (MRQ)

STMicroelectronics (STM) at 3.13 keeps current ratio within its industry’s typical mid-range, while Astera Labs (ALAB) at 8.03 sits above its industry’s typical mid-range — comfortable liquidity, though possibly with more idle current assets relative to peers.

ALAB

Semiconductors & Semiconductor Equipment industry group

8.03

Max: 10.33
ALAB: 8.03
Q3: 5.62
Median: 3.33
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

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

Debt / Equity (MRQ)

Astera Labs (ALAB) at 0.02 keeps leverage in the lower industry quartile, while STMicroelectronics (STM) at 0.19 runs a more typical debt-to-equity mix.

ALAB

Semiconductors & Semiconductor Equipment industry group

0.02

Max: 1.46
Q3: 0.65
Median: 0.27
Q1: 0.04
ALAB: 0.02
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

Astera Labs (ALAB) 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 Astera Labs (ALAB) and STMicroelectronics (STM)
Metric	ALAB	STM
Current Ratio (MRQ)	8.03	3.13
Debt / Equity (MRQ)	0.02	0.19
Net Debt / EBITDA	-3.23	-0.63

Dividends

Dividend Yield (TTM)

Astera Labs (ALAB) 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.

ALAB

Semiconductors & Semiconductor Equipment industry group

0.00%

Max: 1.37%
Q3: 0.65%
ALAB: 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%

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

Dividend Payout Ratio (TTM)

Astera Labs (ALAB) 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.

ALAB

Semiconductors & Semiconductor Equipment industry group

0.00%

Max: 49.64%
Q3: 21.71%
ALAB: 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%

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

Dividend Metrics

Dividend metrics for Astera Labs (ALAB) and STMicroelectronics (STM)
Metric	ALAB	STM
Dividend Yield (TTM)	0.00%	0.90%
Dividend Payout Ratio (TTM)	0.00%	63.16%

Valuation

P/E Ratio (TTM)

Both Astera Labs (ALAB) at 75.38 and STMicroelectronics (STM) at 73.19 sit in the richer earnings-multiple quartile for P/E ratio, so investors are paying more for TTM earnings than they pay for typical peers.

ALAB

Semiconductors & Semiconductor Equipment industry group

75.38

Max: 110.34
ALAB: 75.38
Q3: 66.81
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

Astera Labs (ALAB) 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 looks cheap on sales in the lower P/S ratio quartile, while Astera Labs (ALAB) at 21.42 looks rich in the upper quartile — a clear gap in price per dollar of revenue.

ALAB

Semiconductors & Semiconductor Equipment industry group

21.42

ALAB: 21.42
Max: 21.42
Q3: 12.27
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

Astera Labs (ALAB) 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 sits in the lower P/B ratio quartile relative to book while Astera Labs (ALAB) at 16.67 prices above its industry range — a wide valuation gap against assets.

ALAB

Semiconductors & Semiconductor Equipment industry group

16.67

ALAB: 16.67
Max: 14.06
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

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

Valuation Metrics

Valuation metrics for Astera Labs (ALAB) and STMicroelectronics (STM)
Metric	ALAB	STM
P/E Ratio (TTM)	75.38	73.19
P/S Ratio (TTM)	21.42	2.73
P/B Ratio (MRQ)	16.67	2.09
Free Cash Flow Yield (TTM)	0.39%	0.29%