Astera Labs, Inc. (ALAB) stock
Close on Nov 12, 2026Market cap $39.52BP/E 90.8Yield –
Astera Labs, Inc. grew revenue 115.2% to $1.56B over the twelve months to Sep 30, 2026. Operating income rose 272.5% to $397.10M, moving the operating margin from 14.7% to 25.5%. Free cash flow was $344.69M, up 50.2% from a year earlier. At the latest close the market valued the company at $39.52B, 90.8 times its earnings.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $39.52B
- P/E ratio
- 90.8
- Price to sales
- 25.39
- Price to book
- 19.76
- Dividend yield
- –
- Free cash flow yield
- 0.87%
Fundamentals
- Revenue
- $1.56B
- Net income
- $461.32M
- EPS, diluted
- $2.51
- Free cash flow
- $344.69M
- Book value per share
- $10.86
- Diluted shares
- 184M
Trading
- Next earnings
- Feb 9, 2027 (estimated, after the close)
- Previous close
- $230.91
- Open
- $214.85
- Day's range
- $211.65 – $234.20
- Volume
- 3,400,792
- Average volume (20 days)
- 4,931,140
- Index membership
- Nasdaq-100 (since Jun 2026), Russell 1000 (since Sep 2024), Russell 3000 (since May 2024)
- Beta (5 years)
- 2.98
- 52-week range
- $97.89 – $499.48
- RSI (14 days)
- 41.1
- Volatility (1 year)
- 101.3%
- Relative volume
- 0.78×
- WACC
- 17.4%
On 2 of our idea lists: Breakout quarter, Institutions accumulating
Index membership is inferred from the holdings of funds that track each index (QQQ, IWB, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2024, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.
| Period | ALAB | S&P 500 | Difference | ALAB per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -29.7% | -2.7% | −27.0 pts | ||
| 3 months | -28.5% | -1.7% | −26.8 pts | ||
| Year to date | +36.9% | +11.9% | +25.0 pts | ||
| 1 year | +44.4% | +12.0% | +32.4 pts |
Five years at a glance
Fiscal years 2021 to 2025 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases Astera Labs filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- Results
- Results
- Results
- Results
- News
About Astera Labs
Semiconductors & Related Devices
Astera Labs designs and provides semiconductor-based connectivity hardware and embedded software solutions tailored for cloud and artificial intelligence infrastructure. Its core offering, the Intelligent Connectivity Platform, integrates mixed-signal connectivity products with embedded microcontrollers and sensors, alongside its proprietary COSMOS software suite for telemetry, link management, and diagnostics. The company's hardware portfolio spans integrated circuits, boards, and modules across product families such as Aries PCIe and CXL retimers and cable modules, Taurus Ethernet cable modules, Leo CXL memory connectivity controllers, and Scorpio fabric switches. Astera Labs primarily serves hyperscalers, leading AI accelerator and graphics processing unit developers, and system original equipment manufacturers.
Company profile, executives and historyAstera Labs stock: common questions
What is Astera Labs's stock price?
ALAB closed at $227.79 on Nov 12, 2026, down 1.35% on the day. Over the past 52 weeks it traded between $97.89 and $499.48.
What is Astera Labs's market cap?
Astera Labs was worth $39.52B at the close on Nov 12, 2026: the share price times the diluted shares outstanding.
What is ALAB's P/E ratio?
ALAB trades at 90.8 times earnings, based on diluted earnings per share of $2.51 over the twelve months to Sep 30, 2026.
How much revenue does Astera Labs make?
Astera Labs reported revenue of $1.56B for the twelve months to Sep 30, 2026, up 115.2% from a year earlier.
Does Astera Labs pay a dividend?
No. Astera Labs has not paid a cash dividend over the last twelve months.
When does Astera Labs report earnings next?
Astera Labs is expected to report Q4 FY2026 results on Feb 9, 2027, after the close. The date is estimated from its past reporting pattern until the company confirms it.
How has ALAB stock performed over the past year?
Including dividends, ALAB returned +44.4% over the past year, against +12.0% for the S&P 500.
How many ALAB shares are sold short?
8M shares were sold short at the latest FINRA report, 5.17% of the float, or 2.2 days of average trading volume.
Who are Astera Labs's competitors?
Companies most similar to Astera Labs by business, industry and size include CRDO, SMTC, SLAB, SYNA, DIOD.
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