ANET vs KLAC: how the two businesses compare

  • Bigger business: KLAC, with $12.2B of yearly revenue, about 1.3× ANET's $9.0B.
  • More cash from each sale: ANET turns 49 cents of each sales dollar into operating cash flow, against 34 cents at KLAC.

From each company's latest annual SEC filing. Fiscal years can end on different dates.

KLA (KLAC) is the larger business by reported revenue: $12.2B in its fiscal year ended Jun 2025, about 1.3× ANET's $9.0B (fiscal year ended Dec 2025). The SEC classifies them differently (Computer Communications Equipment; Optical Instruments & Lenses); what connects them is shared exposure to the Artificial intelligence research theme, not a common industry.

Figures come from each company's own SEC filings. This page compares the businesses; it is not a price target or a verdict.

Sector
Information Technology
SEC industry
Different
Separate classifications
Fiscal year ends
Different
ANET December 31 · KLAC June 30
Reviewed
Aug 6, 2026

ANET vs KLAC: quick comparison

Company factANETKLAC
CompanyArista Networks, Inc.KLA Corporation
ExchangeNYSENASDAQ
SEC industryComputer Communications EquipmentOptical Instruments & Lenses
Fiscal year-endDecember 31June 30
Latest annual filing10-K · 2026-02-1710-K · 2026-08-06

ANET vs KLAC: audited financials

  • Scale: KLAC's $12.2B of revenue is about 1.3× ANET's $9.0B.
  • Cash conversion: operating cash flow equalled ANET 48.5% of revenue; KLAC 33.6% of revenue, or 1.00× net income. A ratio well above 1× usually reflects non-cash charges or working-capital release; well below 1× can reflect working-capital build or non-cash gains.
  • Periods: the fiscal years end about 6 months apart (2025-12-31 for ANET, 2025-06-30 for KLAC), so each figure reflects somewhat different demand and cost conditions.

ANET: FY ending 2025-12-31 · KLAC: FY ending 2025-06-30. Figures as tagged in each issuer's SEC XBRL filing; fiscal calendars may not align.

Where ANET and KLAC overlap, and where they don't

Overlap

  • Shared research theme: Artificial intelligence.

Differences

  • Different SEC industries: ANET files as Computer Communications Equipment; KLAC as Optical Instruments & Lenses.
  • Offset fiscal calendars: ANET's year ends December 31 and KLAC's June 30, about 6 months apart.
  • Only KLAC maps to Tariffs & trade.

Overlap is drawn from SEC classifications and Yield Theory research themes. It is not evidence that the companies sell to the same customers or compete product for product.

Arista Networks, Inc. (ANET)

Arista Networks builds high-speed cloud networking switches and software favored by hyperscale data centers.

KLA Corporation (KLAC)

KLA makes the process-control and inspection systems chipmakers rely on to detect defects during semiconductor manufacturing.

What moves each company

Company-specific drivers maintained by Yield Theory. Use them to decide which filing deserves deeper work; they are not predictions.

What moves ANET

We have not yet published a company-specific driver list for ANET. The primary source is Item 1 (Business) and Item 1A (Risk Factors) of its 10-K filed 2026-02-17.

What moves KLAC

We have not yet published a company-specific driver list for KLAC. The primary source is Item 1 (Business) and Item 1A (Risk Factors) of its 10-K filed 2026-08-06.

The investment question

You now know KLAC reports about 1.3× ANET's revenue. Those are the facts. The investment question is what each share price already assumes about their exposure to artificial intelligence, and which evidence in the next filings would prove that assumption wrong.

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SEC filing comparison and disclosure evidence

Start with primary filings because fiscal calendars and accounting presentation can make superficially similar quarters incomparable. ANET's fiscal year ends December 31, while KLAC's ends June 30. Normalize the reporting periods before comparing growth, margins, capital intensity, or guidance.

The current verified House and Senate snapshot contains 35 matched transaction rows for ANET and 10 matched transaction rows for KLAC. These delayed, range-based disclosures can identify a filing to inspect; they do not establish motive, conviction, or a real-time trading signal.

What this comparison cannot tell you

This page does not contain licensed live prices, a valuation model, earnings estimates, portfolio constraints, or a forecast of future returns. SEC classifications can be broad, company descriptions can lag strategic change, and the latest annual filing may predate a material acquisition or divestiture. Read subsequent quarterly and current reports before making a decision.

A stronger business is not automatically the better stock. Starting valuation, expectations, capital structure, cyclicality, dilution, and the probability of each thesis determine the investment outcome. Use this comparison to frame the work, then verify the numbers in the linked filings and current company disclosures.

ANET vs KLAC FAQs

Are ANET and KLAC direct competitors?

Not necessarily. Arista Networks files as Computer Communications Equipment and KLA as Optical Instruments & Lenses. The pair is compared because both map to the Artificial intelligence research theme, not because the filings show head-to-head competition.

Is ANET or KLAC the bigger company by revenue?

KLA (KLAC) is the larger business by reported revenue: $12.2B in its fiscal year ended Jun 2025, about 1.3× ANET's $9.0B (fiscal year ended Dec 2025). The SEC classifies them differently (Computer Communications Equipment; Optical Instruments & Lenses); what connects them is shared exposure to the Artificial intelligence research theme, not a common industry. Each figure is the annual amount tagged in the company's own SEC XBRL filing; market value depends on live prices, which this page does not publish.

Which is better, ANET or KLAC?

There is no context-free winner. Compare the operating exposures, filing evidence, valuation, balance sheet, and risks against the specific thesis you are testing. This page deliberately does not turn a static profile into a buy or sell recommendation.

Does this ANET vs KLAC comparison include live prices?

No. Yield Theory does not republish unlicensed real-time market data. The financial figures on this page are the audited annual numbers Arista Networks, Inc. and KLA Corporation tagged in their SEC XBRL filings. Use a regulated broker or licensed quote provider for current prices and valuation multiples.

Where does the company information come from?

Company classifications, fiscal year-ends, and filing links come from the SEC EDGAR submissions API snapshot refreshed 2026-11-09. Business summaries and research themes are maintained by Yield Theory.

Data snapshot: SEC EDGAR submissions API, refreshed 2026-11-09. Independent educational research; not investment advice.

Which business differences matter to the investment thesis?

ANET vs KLAC compares reported results. The reports below show how we connect operating evidence to an investment thesis, its assumptions, catalysts, and risks. $39/month or $249/year.

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