Arista Networks Inc NYSE:ANET Price, Chart, News & Insight

NYSE:ANET

Arista Networks Jumps 11% Premarket as Q3 Revenue Surges 59% and Q4 Outlook Stays Strong

Arista Networks (NYSE: ANET) shares rose about 11% in premarket trading after the company reported a record third quarter, with revenue growth reaching its fastest pace since the company’s IPO and profitability also hitting new highs.

Third-quarter revenue rose 58.5% year over year to $3.66 billion and increased 20.5% sequentially. The result came well above Arista’s prior guidance of about $3.3 billion, underscoring stronger-than-expected demand across AI, cloud and data center networking.

Profitability remained exceptionally strong. Non-GAAP operating margin reached 49.1%, up from 48.6% a year earlier, while GAAP operating margin expanded to 44.9% from 42.4%. Non-GAAP diluted EPS climbed to $1.20 from $0.77.

AI infrastructure was a central growth driver. Arista introduced new open Ethernet rack-scale architectures developed with partners including AMD, Arm, Broadcom, Meta, Microsoft and Qualcomm, targeting both scale-up and scale-out AI networks.

The company also expanded its networking architecture for distributed AI fabrics, including systems designed to support extremely large accelerator deployments across multiple data centers. Arista said demand across customer groups continues to strengthen as generative and agentic AI infrastructure spending expands.

For the fourth quarter, Arista expects revenue of $3.9 billion to $4.0 billion, implying another sequential increase from Q3. Non-GAAP operating margin is expected at 48%-49%, while non-GAAP diluted EPS is projected at $1.26-$1.30.

The 11% premarket gain appears to reflect the combination of a major revenue beat, accelerating AI networking demand and exceptionally strong margins. With Q3 growth far exceeding prior guidance and Q4 revenue expected to rise further, investors are likely focusing on Arista’s increasing role as a key networking supplier for large-scale AI infrastructure.

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European Investor 11-04-26

Arista Unveils Rack-Scale Ethernet Architectures for High-Density AI Infrastructure

Arista Networks (NYSE: ANET) announced a new rack-scale networking portfolio designed for both scale-up and scale-out AI fabrics, expanding Ethernet deeper into high-density AI computing environments.

The new architecture was developed with technology partners including AMD, Arm, Broadcom, d-Matrix, Meta, Microsoft and Qualcomm. Arista said the platform supports up to 144 accelerators in a single rack and can scale to 1,024 XPUs across multiple racks, giving cloud operators an open, standards-based alternative to proprietary interconnect architectures.

At the center of the launch is Arista’s Etherlink SU-144 scale-up architecture. The company is offering three physical designs: an orthogonal chassis for extreme bandwidth and density, a cabled backplane focused on modularity and serviceability, and a cross-rack system designed for larger multi-rack accelerator deployments.

Arista is also extending its scale-out portfolio with support for multiple interconnect approaches, including ESUN, Nvidia NVLink, NVLink Fusion and PCIe. The systems are built on Arista’s Netdi foundation and support either Arista EOS or an open network operating system.

The rack-scale systems incorporate liquid-cooled 7060EX7 switches with 102.4 Tbps of capacity per switch, along with integrated cooling, power and rack-management infrastructure. Arista said next-generation optics such as XPO and open CPO/NPO can increase rack networking capacity from roughly 1.6 Pb/s today to as much as 6.5 Pb/s.

According to the company, that higher density could reduce overall data center footprint by nearly 50%, potentially lowering infrastructure costs and accelerating deployment.

The announcement strengthens Arista’s positioning in AI networking as hyperscalers and cloud providers increasingly look for open Ethernet-based alternatives capable of supporting tightly coupled accelerator clusters at rack scale.

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Global Finance News 10-07-26

Arista Networks Stock Soars 12% After-Hours as Revenue Tops $3 Billion and AI Networking Demand Accelerates

Arista Networks (NYSE: ANET) shares surged 12% in after-hours trading on Tuesday after the company delivered record second-quarter results, beating the $3 billion revenue milestone for the first time while issuing strong guidance that reinforced optimism surrounding AI infrastructure spending.

Second-quarter revenue rose 37.7% year over year to a record $3.04 billion, while non-GAAP earnings per share climbed nearly 40% to $1.02. The company also expanded profitability, with non-GAAP operating margin improving to 49.9%, highlighting continued operating leverage despite rapid growth.

Management attributed the strong performance to robust demand across cloud, AI, enterprise, and campus networking. CEO Jayshree Ullal said Arista's "client-to-cloud" platform strategy continues to resonate as networking becomes the "central nervous system" of AI infrastructure.

The company also announced several AI-focused product launches during the quarter, including new 1.6 Tbps Ethernet switching platforms with liquid-cooled options designed for next-generation AI clusters. Arista also introduced new networking technologies aimed at improving the efficiency, scalability, and resilience of large AI deployments.

Looking ahead, management guided third-quarter revenue to approximately $3.3 billion, well above the just-reported quarter, while forecasting non-GAAP operating margins of 48% to 49% and non-GAAP earnings per share between $1.06 and $1.08.

The results arrive as investors remain highly optimistic about companies supplying networking infrastructure for AI data centers. Strong recent earnings from AI-related technology companies have reinforced expectations that hyperscale cloud providers will continue increasing capital spending on AI infrastructure, creating additional demand for high-performance networking equipment.

Investors welcomed Arista's combination of accelerating revenue growth, expanding margins, AI product innovation, and upbeat guidance, viewing the report as another sign that enterprise and hyperscale AI infrastructure investment remains strong.

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WS Investor 08-04-26

Arista Networks Rises After KeyBanc Raises Price Target on AI Networking Strength

Arista Networks (NYSE: ANET) gained 2.9% after KeyBanc reiterated its Overweight rating and raised its price target to $200 from $178.

The higher target reflects growing confidence in Arista's position as a leading provider of high-performance networking equipment for cloud computing and artificial intelligence infrastructure. As hyperscalers continue expanding AI data centers, demand for advanced networking solutions has become a critical part of the AI investment cycle.

Arista has been one of the primary beneficiaries of rising spending by major cloud providers, which require increasingly sophisticated networking technologies to connect AI servers and manage growing data traffic. The company's strong exposure to large-scale data center deployments has fueled investor optimism about its long-term growth prospects.

The analyst action comes amid a broader wave of bullish calls across the semiconductor and AI infrastructure sectors. Investors remain focused on companies supplying the hardware and networking backbone needed to support the rapid expansion of artificial intelligence workloads.

The stock's advance suggests investors welcomed the increased price target as further evidence that AI-related capital spending remains robust. With cloud providers and enterprise customers continuing to invest heavily in next-generation infrastructure, Arista is viewed as one of the key beneficiaries of the ongoing AI-driven technology spending cycle.

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The Investor 06-19-26

Arista Networks Falls 9% After Hours: Record Quarter Meets a Brutal Valuation Bar

Tuesday, May 5, 2026

Arista Networks delivered its strongest quarter yet — and the after-hours market responded with a 9% sell-off. It's the clearest illustration of today's earnings theme: at sufficiently stretched valuations, even exceptional results aren't enough.

## The Numbers Were Excellent

Q1 2026 revenue of $2.709 billion grew 35.1% year-over-year — accelerating from the 28.9% growth posted in Q4 2025 — and came in well above the consensus estimate of roughly $2.615 billion. Non-GAAP EPS of $0.87 beat the $0.81 analyst expectation. GAAP and non-GAAP operating margins held steady at 42.7% and 47.8% respectively — remarkable consistency for a company growing at this pace. Cash flow from operations was $1.69 billion in a single quarter. Revenue also grew 8.9% sequentially, a meaningful acceleration.

Product highlights were compelling. Arista unveiled the XPO MSA — a high-density liquid-cooled pluggable optics platform for next-generation AI data centers that reduces networking racks by up to 75% and saves up to 44% of floor space versus traditional architecture. The company's universal AI spine (the 7800 series) also advanced, addressing the micro-burst and head-of-line blocking challenges that plague large-scale AI training clusters. Net promoter score came in at 89, with 94% of customers expressing strong satisfaction — a rare feat for an enterprise hardware and software vendor.

## So Why Is It Down 9%?

The answer lies almost entirely in Q2 guidance. Arista guided Q2 revenue to approximately $2.8 billion and non-GAAP EPS to $0.88 — both essentially in line with Wall Street expectations, not above them. Non-GAAP operating margin guidance of 46–47% is also a step down from the 47.8% delivered in Q1. For a stock that had rallied over 33% year-to-date heading into this print and was trading at roughly 50x forward earnings and 18.5x EV/sales, "in line" is the new "miss."

The valuation math is unforgiving. At those multiples, the market had already priced in another beat-and-raise. When guidance merely matches rather than exceeds expectations, the implied growth premium deflates — and quickly. The after-hours move is less about what Arista said and more about what the stock had already assumed.

## The Structural Risk Market Is Pricing In

Beyond the immediate guidance reaction, two longer-term concerns are rising in analyst notes. First, customer concentration: Arista's two largest hyperscaler customers have historically represented over 40% of revenue combined, making the stock acutely sensitive to any shift in their AI capex timing. Second, gross margin trajectory. Non-GAAP gross margins of around 62–63% represent a step down from the 64–65% levels of mid-2025, driven by AI cluster mix — large customers negotiating from scale tend to compress margins. The Q2 operating margin guide of 46–47% implies this pressure is not yet abating.

## The Longer-Term Case Remains Intact

None of this changes Arista's structural positioning. The company is the dominant Ethernet networking vendor for AI infrastructure, with a purpose-built software stack (EOS), a growing campus and routing footprint, and a product roadmap — XPO, the 7800 AI spine, cognitive campus — that addresses the next generation of AI data center architecture. Full-year 2026 AI networking revenue is now targeted at $3.25 billion. The NPS of 89 is not the kind of number a company under competitive siege produces.

Today's after-hours drop is a valuation recalibration, not a fundamental verdict. But for investors who bought Arista as a "can't miss" AI trade, tonight is a reminder that at 50x earnings, every quarter has to be perfect — and in-line is not perfect.

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European Investor 05-05-26

Arista Networks announced a multi-source agreement for XPO, a new liquid-cooled pluggable optics module designed for AI data center networking.

The XPO module delivers 12.8 Tbps capacity per unit and supports rack densities of up to 204.8 Tbps per open compute rack unit, about four times higher than current 1600G-OSFP optics. The design includes an integrated cold plate capable of cooling up to 400 watts per module, enabling higher performance in AI workloads that require liquid-cooled infrastructure.

The module supports multiple optical standards including DR, FR, LR, SR and ZR/ZR+, along with next-generation interface architectures such as linear, half-retimed and fully-retimed designs. It is intended for AI networking environments including scale-up, scale-out and metro-reach data center fabrics.

Arista said the XPO specification will be demonstrated at the Optical Fiber Communication Conference (OFC) 2026 in Los Angeles with support from multiple optical module suppliers. Industry participants including Microsoft and market research firm Dell’Oro Group said the technology could help support the growing bandwidth demands of large AI clusters.
Business Wire

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European Investor 03-12-26

Arista Networks, Inc (NYSE: ANET) will release its financial results for the quarter ended December 31st, 2025, after U.S. markets close on Thursday, February 12th, 2026.

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Global Finance News 01-18-26

Fortinet and Arista Networks Launch Joint Secure AI Data Center Solution

Fortinet and Arista Networks announced a joint Secure AI Data Center solution designed to combine high-performance, low-latency networking with integrated, zero-trust security for large-scale AI workloads. The solution has been deployed at Monolithic Power Systems and provides a validated, scalable reference architecture for organizations building and operating AI data centers.

The joint architecture integrates Arista’s ultra-low-latency networking and load balancing with Fortinet’s ASIC-accelerated security, including encrypted traffic inspection, zero-trust segmentation, and AI-aware threat protection. According to the companies, the design enables faster deployment through zero-touch provisioning, supports next-generation AI accelerators, and improves AI performance by offloading HTTPS and TLS processing from server CPUs.

The collaboration aims to address key barriers to AI adoption such as infrastructure complexity, performance bottlenecks, vendor lock-in, and security risks including data leakage and model tampering. By offering a modular, multivendor blueprint with unified management across networking and security, the companies say organizations can scale AI infrastructure with lower cost, reduced operational risk, and higher resilience.

Source: GlobeNewswire

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WS Investor 12-20-25

Arista Networks (NYSE: ANET) unveiled major enhancements to its Cognitive Campus portfolio, introducing Arista VESPA, an architecture designed to support massive-scale Wi-Fi mobility with roaming domains exceeding 500,000 clients. The technology brings data center–grade scalability to campus networks, eliminating the complexity of traditional controller-based systems. Arizona State University, one of the largest public universities in the U.S., has partnered with Arista to validate the new VESPA architecture.

Arista also expanded its AVA agentic AI platform, which unifies AI-driven networking operations across wired, wireless, data center, and security domains. AVA leverages Arista EOS and the NetDL data lake to enable autonomous event correlation, conversational troubleshooting, continuous monitoring, and automated root cause analysis.

To support industrial and outdoor deployments, Arista introduced two ruggedized switches—the 710HXP-28TXH and 710HXP-20TNH—engineered to withstand extreme environments while powering next-generation devices such as Wi-Fi 7 access points and high-power outdoor security systems.

All new software features and hardware platforms are expected to be generally available in Q1 2026.

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European Investor 12-10-25

Arista Networks Posts Strong Q3 Results With 27.5% Revenue Growth and Higher Profitability

Arista Networks reported a robust third quarter, delivering $2.308 billion in revenue, up 27.5% from a year earlier and 4.7% sequentially, driven by continued demand across AI, cloud, and campus networking. GAAP net income rose to $853 million, while non-GAAP earnings reached $962.3 million, reflecting 25% EPS growth as the company maintained strong gross margins above 65%. CEO Jayshree Ullal said Arista’s “centers of data” strategy continues to resonate with customers seeking scalable client-to-cloud and AI networking solutions.

The quarter also featured several strategic initiatives, including the appointment of Kenneth Duda as President and CTO, new leadership for cloud and AI networking, and expanded collaboration on Ethernet for Scale-Up Networks unveiled at the OCP Summit. Arista also introduced AI-driven agents to automate network operations and a new observability blueprint for modern AI workloads via CloudVision AI.

Looking ahead to Q4, Arista expects revenue between $2.3 billion and $2.4 billion, with non-GAAP gross margins of 62–63% and operating margins of 47–48%, signaling confidence in sustained demand and disciplined execution.

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European Investor 12-04-25

11-04-26WS Investor

08-05-26The Investor

05-22-26European Investor

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