LFUS vs. ALAB

Last updated Apr 1, 2026

Compare and contrast key facts about Littelfuse, Inc. (LFUS) and Astera Labs, Inc. (ALAB).

Performance

LFUS vs. ALAB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Littelfuse, Inc. (LFUS) and Astera Labs, Inc. (ALAB). The values are adjusted to include any dividend payments, if applicable.

LFUS vs. ALAB - Yearly Performance Comparison

	2026 (YTD)	2025	2024
LFUS Littelfuse, Inc.	34.46%	8.65%	2.11%
ALAB Astera Labs, Inc.	-34.12%	25.60%	113.53%

Fundamentals

Market Cap LFUS : $8.45B ALAB : $19.86B
EPS LFUS : -$2.87 ALAB : $1.22
PS Ratio LFUS : 3.55 ALAB : 23.14
PB Ratio LFUS : 3.48 ALAB : 14.56
Total Revenue (TTM) LFUS : $2.39B ALAB : $852.53M
Gross Profit (TTM) LFUS : $906.04M ALAB : $645.26M
EBITDA (TTM) LFUS : $137.46M ALAB : $200.85M

Returns By Period

In the year-to-date period, LFUS achieves a 34.46% return, which is significantly higher than ALAB's -34.12% return.

LFUS

• 1D: 5.94%
• 1M: -3.72%
• YTD: 34.46%
• 6M: 31.71%
• 1Y: 74.50%
• 3Y*: 9.35%
• 5Y*: 5.92%
• 10Y*: 11.71%

ALAB

• 1D: 9.30%
• 1M: -7.77%
• YTD: -34.12%
• 6M: -44.02%
• 1Y: 83.68%
• 3Y*: —
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

LFUS vs. ALAB — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

LFUS

LFUS Risk / Return Rank: 85
LFUS Sharpe Ratio Rank: 87
LFUS Sortino Ratio Rank: 82
LFUS Omega Ratio Rank: 83
LFUS Calmar Ratio Rank: 86
LFUS Martin Ratio Rank: 88

ALAB

ALAB Risk / Return Rank: 71
ALAB Sharpe Ratio Rank: 74
ALAB Sortino Ratio Rank: 74
ALAB Omega Ratio Rank: 72
ALAB Calmar Ratio Rank: 70
ALAB Martin Ratio Rank: 67

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

LFUS vs. ALAB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Littelfuse, Inc. (LFUS) and Astera Labs, Inc. (ALAB). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	LFUS	ALAB	Difference
Sharpe ratio Return per unit of total volatility	1.67	0.92	+0.76
Sortino ratio Return per unit of downside risk	2.20	1.73	+0.47
Omega ratio Gain probability vs. loss probability	1.31	1.22	+0.09
Calmar ratio Return relative to maximum drawdown	2.96	1.33	+1.63
Martin ratio Return relative to average drawdown	9.54	2.82	+6.72
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LFUS vs. ALAB - Sharpe Ratio Comparison

The current LFUS Sharpe Ratio is 1.67, which is higher than the ALAB Sharpe Ratio of 0.92. The chart below compares the historical Sharpe Ratios of LFUS and ALAB, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	LFUS	ALAB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.67	0.92	+0.76
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.18	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.34	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.33	0.36	-0.02

Correlation

The correlation between LFUS and ALAB is 0.35, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

LFUS vs. ALAB - Dividend Comparison

LFUS's dividend yield for the trailing twelve months is around 0.87%, while ALAB has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LFUS Littelfuse, Inc.	0.87%	1.15%	1.15%	0.93%	1.03%	0.64%	0.75%	0.95%	0.93%	0.71%	0.82%	1.01%
ALAB Astera Labs, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

LFUS vs. ALAB - Drawdown Comparison

The maximum LFUS drawdown since its inception was -82.44%, which is greater than ALAB's maximum drawdown of -63.69%. Use the drawdown chart below to compare losses from any high point for LFUS and ALAB.

Drawdown Indicators

	LFUS	ALAB	Difference
Max Drawdown Largest peak-to-trough decline	-82.44%	-63.69%	-18.75%
Max Drawdown (1Y) Largest decline over 1 year	-23.86%	-60.19%	+36.33%
Max Drawdown (5Y) Largest decline over 5 years	-53.29%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-54.18%	—	—
Current Drawdown Current decline from peak	-9.91%	-56.49%	+46.58%
Average Drawdown Average peak-to-trough decline	-22.98%	-30.60%	+7.62%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.42%	28.48%	-21.06%

Volatility

LFUS vs. ALAB - Volatility Comparison

The current volatility for Littelfuse, Inc. (LFUS) is 16.71%, while Astera Labs, Inc. (ALAB) has a volatility of 25.38%. This indicates that LFUS experiences smaller price fluctuations and is considered to be less risky than ALAB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LFUS	ALAB	Difference
Volatility (1M) Calculated over the trailing 1-month period	16.71%	25.38%	-8.67%
Volatility (6M) Calculated over the trailing 6-month period	27.44%	67.77%	-40.33%
Volatility (1Y) Calculated over the trailing 1-year period	44.83%	91.68%	-46.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.79%	91.65%	-57.86%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	34.75%	91.65%	-56.90%

Financials

LFUS vs. ALAB - Profitability Comparison

The chart below illustrates the profitability comparison between Littelfuse, Inc. and Astera Labs, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

LFUS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Littelfuse, Inc. reported a gross profit of 225.75M and revenue of 593.93M. Therefore, the gross margin over that period was 38.0%.

ALAB - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Astera Labs, Inc. reported a gross profit of 204.48M and revenue of 270.58M. Therefore, the gross margin over that period was 75.6%.

LFUS - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Littelfuse, Inc. reported an operating income of -222.82M and revenue of 593.93M, resulting in an operating margin of -37.5%.

ALAB - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Astera Labs, Inc. reported an operating income of 66.96M and revenue of 270.58M, resulting in an operating margin of 24.8%.

LFUS - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Littelfuse, Inc. reported a net income of -242.14M and revenue of 593.93M, resulting in a net margin of -40.8%.

ALAB - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Astera Labs, Inc. reported a net income of 44.98M and revenue of 270.58M, resulting in a net margin of 16.6%.