ALAB vs. STX: Astera Labs vs. Seagate Stock Comparison

November 11, 2026

How do Astera Labs (ALAB) and Seagate (STX) 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 Seagate (STX) share the Information Technology sector but sit in different industry groups — ALAB in Semiconductors & Semiconductor Equipment and STX in Technology Hardware & Equipment.

Seagate (STX) carries decades of public-market history since December 11, 2002, while Astera Labs (ALAB) listed on March 20, 2024 — long-window comparisons have far more historical data on the STX side.

Company profile comparison for Astera Labs (ALAB) and Seagate (STX)
Profile Item	ALAB	STX
Name	Astera Labs, Inc.	Seagate Technology Holdings plc
Country/Region	United States	Singapore
GICS Sector	Information Technology	Information Technology
GICS Industry Group	Semiconductors & Semiconductor Equipment	Technology Hardware & Equipment
GICS Industry	Semiconductors & Semiconductor Equipment	Technology Hardware, Storage & Peripherals
GICS Sub-Industry	Semiconductors	Technology Hardware, Storage & Peripherals
Market Capitalization	33.33 billion USD	105.83 billion USD
Currency	USD	USD
Exchange	Nasdaq	Nasdaq
Listing Date	March 20, 2024	December 11, 2002
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

ALAB

STX

GSPC

Astera Labs (ALAB) vs. Seagate (STX), 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 Seagate (STX). Returns over one year are annualized.

Calendar-Year Returns

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

Performance Metrics

Price performance metrics for Astera Labs (ALAB) and Seagate (STX)
Metric	ALAB	STX
Total Return (1Y)	31.42%	83.77%
Total Return (3Y, Annualized)	--	95.95%
Total Return (5Y, Annualized)	--	42.73%

Risk Profile

Drawdown History

ALAB

STX

GSPC

Astera Labs (ALAB) vs. Seagate (STX), 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 Seagate (STX). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Astera Labs (ALAB) and Seagate (STX)
Metric	ALAB	STX
Volatility (1Y, Annualized)	101.55%	76.96%
Beta (5Y)	3.95	2.24
Max Drawdown (5Y)	-63.69%	-57.80%
Avg. Volume (3M)	4.15M	4.72M

Risk-Adjusted Performance

Risk-Return Positioning

ALAB and STX are plotted by 1-year volatility (risk) and 1-year return. Each dashed Capital Allocation Line uses that stock's own industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Astera Labs (ALAB) and Seagate (STX)
Metric	ALAB	STX
Sharpe Ratio (1Y)	0.27	1.03
Sortino Ratio (1Y)	0.39	1.51

Profitability

ROE (TTM)

Both companies show strong equity returns, but Seagate (STX) at 259.35% is the standout with ROE above its industry range; Astera Labs (ALAB) at 28.21% also sits in the top quartile.

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%

STX

Technology Hardware & Equipment industry group

259.35%

STX: 259.35%
Max: 42.47%
Q3: 19.13%
Median: 11.00%
Q1: 1.63%
Min: -20.62%

Astera Labs (ALAB) vs. Seagate (STX): A comparison of their ROE against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

Net Margin (TTM)

Seagate (STX) at 31.86% keeps the most of each sales dollar — above its industry’s net margin range — and Astera Labs (ALAB) at 29.64% also retains a top-quartile 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%

STX

Technology Hardware & Equipment industry group

31.86%

STX: 31.86%
Max: 27.60%
Q3: 11.66%
Median: 4.08%
Q1: 0.00%
Min: -11.02%

Astera Labs (ALAB) vs. Seagate (STX): A comparison of their net margin against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

Operating Margin (TTM)

Seagate (STX) at 48.85% shows unusually strong operating efficiency — above its industry’s operating margin range — and Astera Labs (ALAB) at 30.61% also operates in the top quartile.

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%

STX

Technology Hardware & Equipment industry group

48.85%

STX: 48.85%
Max: 36.27%
Q3: 18.36%
Median: 8.84%
Q1: 1.46%
Min: -21.39%

Astera Labs (ALAB) vs. Seagate (STX): A comparison of their operating margin against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

Profitability Metrics

Profitability metrics for Astera Labs (ALAB) and Seagate (STX)
Metric	ALAB	STX
ROE (TTM)	28.21%	259.35%
ROA (TTM)	13.41%	37.21%
Net Margin (TTM)	29.64%	31.86%
Operating Margin (TTM)	30.61%	48.85%
Gross Margin (TTM)	73.89%	50.35%

Growth

Revenue Growth

Both companies are growing quickly, but Astera Labs (ALAB) at 115.13% is the standout with revenue growth above its industry range; Seagate (STX) at 34.06% also sits in the top quartile.

Astera Labs (ALAB) vs. Seagate (STX): A comparison of their Revenue Growth across different time periods.

EPS Growth

Only one side can be read here: Seagate (STX) reports EPS growth of 105.32%, ranked against its industry; Astera Labs (ALAB) has no EPS growth figure this period.

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

Growth Metrics

Growth metrics for Astera Labs (ALAB) and Seagate (STX)
Metric	ALAB	STX
Revenue Growth (YoY)	115.13%	34.06%
Revenue Growth (3Y CAGR)	120.18%	18.20%
EPS Growth (YoY)	--	105.32%
EPS Growth (3Y CAGR)	--	--

Financial Strength

Current Ratio (MRQ)

Seagate (STX) at 1.82 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

STX

Technology Hardware & Equipment industry group

1.82

Max: 5.34
Q3: 3.02
Median: 1.95
STX: 1.82
Q1: 1.32
Min: 0.17

Astera Labs (ALAB) vs. Seagate (STX): A comparison of their current ratio against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

Debt / Equity (MRQ)

Astera Labs (ALAB) at 0.02 keeps leverage in the lower industry quartile, while Seagate (STX) at 0.77 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

STX

Technology Hardware & Equipment industry group

0.77

Max: 1.76
Q3: 0.78
STX: 0.77
Median: 0.24
Q1: 0.04
Min: 0.01

Astera Labs (ALAB) vs. Seagate (STX): A comparison of their debt-to-equity ratio against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

Financial Strength Metrics

Financial strength metrics for Astera Labs (ALAB) and Seagate (STX)
Metric	ALAB	STX
Current Ratio (MRQ)	8.03	1.82
Debt / Equity (MRQ)	0.02	0.77
Net Debt / EBITDA	-3.23	0.24

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 Seagate (STX) reports a yield of 0.63%, 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%

STX

Technology Hardware & Equipment industry group

0.63%

Max: 0.73%
STX: 0.63%
Q3: 0.31%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Astera Labs (ALAB) vs. Seagate (STX): A comparison of their dividend yield against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

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 Seagate (STX) reports a payout of 15.52%, 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%

STX

Technology Hardware & Equipment industry group

15.52%

Max: 32.27%
STX: 15.52%
Q3: 14.48%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Astera Labs (ALAB) vs. Seagate (STX): A comparison of their payout ratio against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

Dividend Metrics

Dividend metrics for Astera Labs (ALAB) and Seagate (STX)
Metric	ALAB	STX
Dividend Yield (TTM)	0.00%	0.63%
Dividend Payout Ratio (TTM)	0.00%	15.52%

Valuation

P/E Ratio (TTM)

Seagate (STX) at 24.17 is near its industry’s usual P/E ratio, while Astera Labs (ALAB) at 75.38 sits in the richer quartile — ALAB needs stronger growth or earnings quality to justify the premium.

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

STX

Technology Hardware & Equipment industry group

24.17

Max: 69.48
Q3: 41.02
Median: 26.39
STX: 24.17
Q1: 19.36
Min: 6.07

Astera Labs (ALAB) vs. Seagate (STX): A comparison of their P/E ratio against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

P/S Ratio (TTM)

Both Astera Labs (ALAB) at 21.42 and Seagate (STX) at 7.67 command a richer price per dollar of sales than most peers, sitting in the upper P/S ratio quartile of their industries.

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

STX

Technology Hardware & Equipment industry group

7.67

Max: 11.30
STX: 7.67
Q3: 5.82
Median: 2.56
Q1: 1.05
Min: 0.00

Astera Labs (ALAB) vs. Seagate (STX): A comparison of their P/S ratio against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

P/B Ratio (MRQ)

Measured against book value, both Astera Labs (ALAB) at 16.67 and Seagate (STX) at 30.67 look expensive — each P/B ratio sits above its industry’s benchmark range.

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

STX

Technology Hardware & Equipment industry group

30.67

STX: 30.67
Max: 10.75
Q3: 5.52
Median: 3.17
Q1: 1.79
Min: 0.33

Astera Labs (ALAB) vs. Seagate (STX): A comparison of their P/B ratio against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

Valuation Metrics

Valuation metrics for Astera Labs (ALAB) and Seagate (STX)
Metric	ALAB	STX
P/E Ratio (TTM)	75.38	24.17
P/S Ratio (TTM)	21.42	7.67
P/B Ratio (MRQ)	16.67	30.67
Free Cash Flow Yield (TTM)	0.39%	2.17%