ALAB Rides on Strong Demand for PCIe Solution: A Sign for More Upside?

Astera Labs ALAB is benefiting from strong demand for its PCIe solutions, which have also been a major growth driver. In the fourth quarter of 2025, the company reported revenues of $270.6 million, marking a 17% sequential increase and 92% year-over-year growth.

Astera Labs’ product portfolio, including Scorpio, Aries and Taurus, has been a key catalyst. A standout performer in ALAB’s portfolio is its Aries PCIe 6 DSP retimer solutions, which are currently the only PCIe 6 DSP retimer products shipping in high volume. The Aries portfolio saw 70% year-over-year growth in 2025, driven by the increasing deployment of custom AI accelerators at major hyperscalers. With the PCIe 6 transition cycle still in its early stages, ALAB expects further growth as more customers launch PCIe 6 capable AI accelerators and systems in 2026 and beyond.

The Scorpio P-Series family has also been a key growth driver, contributing more than 15% of revenues in 2025. As the only PCIe 6 fabric available in large quantities, Scorpio P-Series is poised to grow in 2026, with shipments to more hyperscalers for next-generation AI platforms. The Scorpio X-Series is likely to move to high-volume production in the second half of 2026, which will further boost revenues.

ALAB's strong demand for PCIe solutions, coupled with its leadership in the AI connectivity space, positions the company for significant upside. Astera Labs expects first-quarter 2026 revenues between $286 million and $297 million, up approximately 6% to 10% year over year.

ALAB Faces Stiff Competition

ALAB is facing stiff competition from other industry players like Marvell Technology MRVL and Broadcom AVGO. Both Marvell Technology and Broadcom are making strong efforts in the PCIe retimers market.

Marvell Technology’s expanding portfolio has been noteworthy. The company recently introduced the Structera S 60260, the first 260-lane PCIe 6.0 switch in the industry. It allows for higher-density, lower-latency AI data center scaling by replacing several smaller switches with a single high-radix solution.

Broadcom is expanding its footprint in the PCIe retimers market by developing advanced solutions that enhance signal quality and extend the reach of PCIe connections in high-speed data environments. Broadcom’s launch of PCIe Gen 6 portfolio, featuring high-port switches and retimers tested for interoperability with partners like Micron and Teledyne LeCroy, is a noteworthy development.

ALAB’s Share Price Performance, Valuation and Estimates

ALAB shares have plunged 42.9% in the past six-month period, underperforming the broader Zacks Computer & Technology sector’s decline of 2.4%. The Zacks Internet - Software industry has declined 26.3% in the same time frame.

ALAB Stock Performance

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ALAB stock is trading at a premium, with a forward 12-month Price/Sales of 13.44X compared with the Internet - Software industry’s 3.72X. ALAB has a Value Score of F.

ALAB Valuation

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The Zacks Consensus Estimate for 2026 earnings is pegged at $2.39 per share, unchanged over the past 30 days. This suggests 29.89% year-over-year growth.

Astera Labs, Inc. Price and Consensus

Astera Labs, Inc. price-consensus-chart | Astera Labs, Inc. Quote

Astera Labs currently carries a Zacks Rank #3 (Hold). You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.

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