ANET · Q2 2026 Earnings

Bullish

Arista Networks

Reported August 4, 2026

30-second summary

Arista delivered $3.036B in Q2 FY2026, +37.7% YoY and +12.1% QoQ, beating both the $2.8B prior-quarter guide by 8.4% and the $2.83B consensus by 7.3%. Non-GAAP operating margin of 49.9% ran 290–390bps above the 46–47% guide, and Q3 is set at ~$3.3B — a step-up that implies roughly +43% YoY growth against the $2.31B Q3 FY2025 base, well above the FY2026 framework of 27.7%. The only note of restraint is Q3 non-GAAP operating margin guided to 48–49%, about 100bps below the Q2 actual, but on this trajectory the FY2026 revenue framework almost certainly gets raised again.

Headline numbers

EPS

Q2 FY2026

$1.02

+14.6% vs est.

Revenue

Q2 FY2026

$3.04B

+37.7% YoY

+7.3% vs est.

Gross margin

Q2 FY2026

62.9%

Operating margin

Q2 FY2026

45.4%

Key financials

Q2 FY2026

Metric	Q2 FY2026	Q2 FY2025	YoY	Q1 FY2026	QoQ
Revenue	$3.04B	$2.21B	+37.7%	$2.71B	+12.1%
EPS	$1.02	$0.73	+39.7%	$0.87	+17.2%
Gross margin	62.9%	65.2%	-230bps	61.9%	+100bps
Operating margin	45.4%	44.7%	+70bps	42.7%	+270bps

Guidance

Arista delivered exceptional Q2 FY2026 beats across revenue, EPS, and margins, with Q3 guidance raised sharply reflecting sustained AI/networking demand momentum.

Guidance is issued for both next quarter and the full year. Both may appear below.

Actuals vs prior guidance

Metric	Period	Prior guide	Actual	Δ	Result
Revenue	Q2 FY2026	$2.8B	$3.036B	+$236M (+8.4%) above guide	Beat
Non-GAAP EPS	Q2 FY2026	$0.88	$1.02	+$0.14 (+15.9%) above guide	Beat
Non-GAAP Operating Margin	Q2 FY2026	46% - 47%	49.9%	+280-390 bps above guide	Beat

New guidance

Metric	Period	Guide	YoY
Revenue	Q3 FY2026	$3.3B	+42.9% YoY
Non-GAAP EPS	Q3 FY2026	$1.06 - $1.08	—
Non-GAAP Operating Margin	Q3 FY2026	48% - 49%	—

Product revenue

Q2 FY2026

Segment	Q2 FY2026	Q2 FY2025	YoY
Product	$2.605B	$1.877B	+38.8%
Service	$0.431B	$0.328B	+31.4%

Management tone

Q3 FY2025 anchor: FY2026 disaggregation → Q4 FY2025 anchor: FY2026 raise with supply discipline → Q1 FY2026 anchor: Supply-limited execution with three-fabric architecture maturing → Q2 FY2026 anchor: Platform positioning as "central nervous system," margins re-expanding.

Full tone analysis is transcript-dependent and pending; the press release qualitative statements support the following read.

From "supply is the binding constraint" to platform-of-record positioning. For three consecutive quarters management framed the story around shippable-versus-demanded — memory shortages, decommits, willingness to "hurt gross margins" to hold customers. The Q2 press-release quote reframes the narrative around structural centrality: "Customers see networking as the central nervous system for infrastructure from the client to campus to data and AI centers." The pivot from constraint-language to platform-language, delivered in a quarter where margins expanded 210bps QoQ rather than compressed, is the tone shift. Supply is no longer the headline; positioning is.

From "Arista 2.0 as a $10B→$11.5B revenue framework" to "Arista 2.0 platform strategy is compelling." The Q2 FY2025 introduction of Arista 2.0 was a revenue-target framing device. This quarter's phrasing — "Our Arista 2.0 platform strategy is compelling" — treats it as a competitive moat description rather than a growth roadmap. That is a subtle but material shift: management is now marketing the architecture, not just the number.

From hedged "strong demand" phrasing to "strong, broad-based growth underscores the strength of our market position." The qualitative statement — "Strong, broad-based growth underscores the strength of our market position" — is unusually direct for Arista. The word "broad-based" specifically pushes back against the AI-concentration narrative that has followed the company since Q2 FY2025 and matches the actual print: product growth accelerated across the base, service growth accelerated, and margins expanded simultaneously.

Q&A analysis is not available on this brief; transcript pending.

Answers to last quarter's watch list

Whether the newly raised $11.5B / 27.7% FY2026 framework is raised again on the Q2 FY2026 print — H1 FY2026 revenue of $5.745B combined with the Q3 guide of $3.3B implies FY2026 will land materially above $11.5B, but the press release does not formally update the framework. Management left the refresh for the transcript, Analyst Day, or the Q3 print.

Not resolved

Whether Q2 FY2026 non-GAAP gross margin holds the 62–63% band or steps down further — Q2 gross margin printed 63.4%, at the top of the guided band and 100bps above Q1's 62.4% low-end print. The willingness-to-hurt-margins scenario didn't materialize.

Resolved positively

Whether scale-across reaches the at-least-one-third-of-$3.5B AI revenue contribution implied by Simon Leopold's exchange — the press release does not disaggregate AI Fabrics or scale-across revenue; awaits transcript detail.

Continue monitoring

Deferred revenue trajectory from $6.2B — not disclosed in the press-release summary reviewed.

Continue monitoring

Naming of a new 10%+ customer or progress on the two scale-across candidates — not disclosed in the press release.

Continue monitoring

Whether one of the 5–7 scale-up rack engagements moves from "active engineering" to a named 800G experimental deployment — transcript-dependent; not addressed in the release.

Continue monitoring

Purchase commitments trajectory from the $8.9B Q1 FY2026 print — not disclosed in the press-release excerpt.

Continue monitoring

What to watch into next quarter

Whether the FY2026 framework is formally raised on the Q3 print or at Analyst Day — H1 of $5.745B plus a Q3 guide of $3.3B implies ~$9.05B through nine months; even a Q4 flat to Q3 puts FY2026 at $12.35B, roughly $850M above the current $11.5B framework. A refresh below $12B on the Q3 print would itself be a signal that management is holding an outsized Q4 buffer.

Whether Q3 non-GAAP operating margin lands at the 48–49% guide or beats meaningfully as in Q2 — a print at or above 50% would confirm the guide is buffer, not signal, and force a re-rate of the FY2026 operating margin outlook of ~46%.

Whether AI Fabrics is raised above $3.5B on the transcript or subsequent print — Q2's revenue overshoot plus 38.7% product growth almost certainly pulls the AI Fabrics number higher; the question is timing and magnitude.

Scale-across dollar disclosure — the "at least one-third of $3.5B" characterization from Q1 needs a numeric anchor by year-end to convert the three-fabric architecture from framework language into a modelable line.

Deferred revenue trajectory from $6.2B and purchase commitments trajectory from $8.9B — the working-capital signal on supply visibility remains one of the highest-information disclosures Arista provides; direction on both matters for H2 FY2026 shipment calendarization.

Naming of a new 10%+ customer — the "1-2 new 10%+ customers in 2026" hedge has been carried across four quarters. With one quarter remaining and revenue accelerating, this is the year it either resolves or is quietly reset into FY2027.

Sources

Arista Networks Q2 FY2026 Earnings Release, filed with SEC: https://www.sec.gov/Archives/edgar/data/1596532/000159653226000174/ex991q226-earningsrelease.htm
Arista Networks Q1 FY2026 brief (Tapebrief), for cross-quarter comparison.
Arista Networks Q4 FY2025 brief (Tapebrief), for cross-quarter comparison.
Arista Networks Q3 FY2025 brief (Tapebrief), for cross-quarter comparison.
Arista Networks Q2 FY2025 brief (Tapebrief), for cross-quarter comparison.

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