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NASDAQ · ALABTechnologySemiconductors

Astera Labs, Inc. Common Stock (ALAB)

$284.80−0.62%
Close Oct 20, 2026 · split-adjusted
Oct 20, 2026$284.80▲ 82.20% in range
Oct 20, 2025Low $100.27 · High $483.02Oct 20, 2026
What changed · written from our data
As of Oct 20, 2026

Astera Labs closed at $284.80 on Oct 20, down 0.62%, 41.0% below its 52-week closing high. Volume of 2.1M shares was 0.50× its 20-day average (below normal).

Split-adjusted performance: -16.4% over one month, +48.4% over six months, +78.2% over one year.

In the quarter ended Jun 30, 2026, revenue was $392.40M, up 104.5% from a year earlier, with a net margin of 39.0%.

Short interest was 9.2M shares at the Sep 30 settlement, up 5.7% from the prior report (5.9% of float, 2.2 days to cover).

Market cap$49.41B173.5M shares
Revenue · quarter$392.4M+104.5% YoY
Diluted EPS$0.83+186.2% YoY
P/E · TTM133.7×P/S 41.1×
Net margin39.0%Gross 73.3%
Dividend yieldNone$0.41 last paid
52-week range100.27 – 483.02−41.0% from high
Volume2.1M0.50× 20-day avg
Volatility · 60d90.2%Annualised
Short % of float5.9%2.2 days to cover
Net cash$1.25BCash $1.25B
Next earnings—Not scheduled
Split-adjusted performance
1W −12.5%1M −16.4%3M −13.9%6M +48.4%YTD +71.2%1Y +78.2%3Y —5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Semiconductors

Percentile among 83 companies (100 = best)

6-month momentum94
Revenue growth88
Net margin91
Value (low P/E)16
Size86

Industry medians: 6-month return −14.6%, revenue growth +24.6%, net margin 7.4%, P/E 43.9×.

Short interest

Details →
Shares short9.2M+5.7% vs prior
Days to cover2.2Settled Sep 30
% of float5.9%
Short vol. 10d51.0%of daily volume

Closest peers by size in Semiconductors

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
ALABAstera Labs$284.80−0.62%+48.4%+104.5%39.0%133.7$49.41B
MCHPMicrochip Technology$75.85+1.91%−6.3%+38.0%13.6%112.2$41.19BCompare
NXPINXP Semiconductors$237.60+3.22%+5.8%+19.5%21.9%20.1$59.91BCompare
MPWRMonolithic Power Systems$1,248.74−0.39%−18.3%+47.6%26.2%76.3$61.37BCompare
CRDOCredo Technology Group Holding$171.51−0.75%−6.4%+181.7%27.0%59.9$32.24BCompare
ONON Semiconductor$75.62+3.42%−13.0%+9.2%14.1%46.7$29.44BCompare
CBRSCerebras Systems$118.24−2.01%——−250.1%—$28.09BCompare
QQnity Electronics$118.37−0.57%−12.2%—8.7%—$24.76BCompare
HUBBHubbell Incorporated$459.32−1.20%−16.4%+15.3%14.0%26.9$24.27BCompare

News about Astera Labs

All news →
ALAB vs. CSCO: Which AI Infrastructure Stock Is a Better Buy?Zacks Investment Research · 4d agoNeutralBetter Artificial Intelligence Stock for 2026: Astera Labs vs. Marvell TechnologyThe Motley Fool · 5d agoNeutralAstera Labs, Inc. (ALAB) Stock Drops Despite Market Gains: Important Facts to NoteZacks Investment Research · Oct 9, 2026NeutralALAB Expands PCIe Portfolio With Aries 7: Can it Beat MRVL & CRDO?Zacks Investment Research · Oct 9, 2026▲ PositiveShould You Buy, Sell, or Hold ALAB Stock After a 118% YTD Rise?Zacks Investment Research · Oct 6, 2026Neutral

Quick answers

What does Astera Labs do?
Astera Labs Inc designs and delivers semiconductor-based connectivity solutions for cloud and AI infrastructure. Its Intelligent Connectivity Platform integrates semiconductor technology, microcontrollers, sensors, and software to enhance performance, scalability, and data management.
What is ALAB's market cap?
$49.41B, based on the Oct 20 close of $284.80.
What is ALAB's P/E ratio?
133.7× trailing-twelve-month earnings of $369.49M.
Does Astera Labs pay a dividend?
No regular cash dividend has been paid in the last year.
How much of ALAB is sold short?
9.2M shares, 5.9% of float, as of Sep 30, 2026.
What sector is ALAB in?
Technology, in the Semiconductors industry.

About Astera Labs

Astera Labs Inc designs and delivers semiconductor-based connectivity solutions for cloud and AI infrastructure. Its Intelligent Connectivity Platform integrates semiconductor technology, microcontrollers, sensors, and software to enhance performance, scalability, and data management. The company offers products such as integrated circuits (ICs), boards, and modules, catering to hyperscalers and system OEMs. The company's solutions focus on data, network, and memory management in AI-driven platforms. Geographically, the company operates in Singapore, China, Taiwan, and United States, of which maximum revenue is derived from United States.

HQ: San Jose, CA756 employeesListed Mar 20, 2024asteralabs.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology