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Arista Networks ANET

Arista Networks is the 50th largest S&P 500 company by market cap, worth $217 billion. 9 directors have filed with the SEC in the last 12 months (who counts), 2 of them executives. 2 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 8.4% of the company.

Chair and CEO
Jayshree Ullal
Sector
Information Technology
Sub-industry
Communications Equipment
Headquarters
Santa Clara, California
Founded
2004
More
Wikipedia
Market cap
$217B
50th largest, 23 Oct 2026 close
Revenue
$9.0B
Fiscal year 2025
Price to sales
24.1
Market cap over revenue
Employees
5,115
10-K, 31 Dec 2025
Market cap per employee
$43M
Market cap over employees
Connections
3
S&P 500 companies sharing a director or officer

Largest institutional holders

Each fund group's share of Arista Networks. Where a company has several share classes, the share is of its total value.

13F filings for the quarter to 30 Jun 2026

These five hold 25.5% of Arista Networks.

Source: SEC Form 13F data sets, SEC XBRL shares outstanding 路 All holders

Board and officers

2 people here also hold roles at other S&P 500 companies.

Roles filed up to 30 Sep 2026

NameTitle
Directors (9)
Jayshree UllalCEO and ChairpersonCEO and Chairperson
Kelly Bodnar BattlesDirectorDirector
Lewis ChewDirectorAlso at Cadence Design Systems and Intuitive SurgicalDirector
Kenneth DudaPresident and CTOPresident and CTO
Charles H. GiancarloDirectorAlso at EverpureDirector
Robert G. LavenderDirectorDirector
Daniel ScheinmanDirectorDirector
Mark B. TempletonDirectorDirector
Yvonne WassenaarDirectorDirector
Officers (2)
Chantelle Yvette BreithauptSenior Vice President, CFOLast filed 3 Sep 2026Senior Vice President, CFO
Todd NightingalePresident and COOLast filed 24 Aug 2026President and COO

Source: SEC insider filings (Forms 3, 4 and 5), Arista Networks' Form 4 filings 路 All directors and officers

Companies that share people with Arista Networks

Each person's title here, then at the other company.

Source: SEC insider filings 路 See the whole network

Arista Networks' market cap since June 2014

Weekly, up to 23 Oct 2026

Show equal percentage changes as equal steps.
201620182020202220242026$217B

Source: Yahoo Finance closing prices, SEC XBRL shares outstanding

Workforce

Headcount at 31 Dec 2025

Employees
5,115
As of December 31, 2025, Arista employed approximately 5,115 full-time employees worldwide.
Arista Networks Form 10-K

Source: Arista Networks Form 10-K

Insider trades

Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.

Trades from 30 Sep 2025 to 30 Sep 2026

Directors and officers sold $779 million of stock in 48 sales and made no open-market purchases in the 12 months to 30 Sep 2026.

DatePersonTitleTypeSharesValue
25 Sep 2026SaleJayshree UllalCEO and ChairpersonCEO and ChairpersonSale62,622$13M
21 Sep 2026SaleKenneth DudaPresident and CTOPresident and CTOSale43,333$8.8M
8 Sep 2026SaleMark B. TempletonDirectorDirectorSale5,000$986K
1 Sep 2026SaleChantelle Yvette BreithauptSenior Vice President, CFOSenior Vice President, CFOSale612$120K
25 Aug 2026SaleJayshree UllalCEO and ChairpersonCEO and ChairpersonSale13,809$2.6M
21 Aug 2026SaleKelly Bodnar BattlesDirectorDirectorSale422$79K
20 Aug 2026SaleKenneth DudaPresident and CTOPresident and CTOSale43,333$8.0M
12 Aug 2026SaleJayshree UllalCEO and ChairpersonCEO and ChairpersonSale573,509$119M
5 Aug 2026SaleJayshree UllalCEO and ChairpersonCEO and ChairpersonSale1,099,495$221M
3 Aug 2026SaleCharles H. GiancarloDirectorDirectorSale8,000$1.4M

Showing 10 of 48 trades

Source: SEC insider transactions data sets, Arista Networks' Form 4 filings

Trades by members of Congress and officials

Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.

Trades from 20 Oct 2023 to 20 Oct 2026

19 people disclosed 34 purchases and 38 sales of Arista Networks stock since October 2023.

DateMember or officialTypeAmount
4 Aug 2026Michael T. McCaul (House, R-TX)House, R-TX 路 SoldSale$15,001 to $50,000$15K to $50K
23 Jul 2026Donald J Trump (President)President 路 BoughtPurchase$100,001 to $250,000$100K to $250K
18 May 2026Donald J Trump (President)President 路 BoughtPurchase$1,001 to $15,000$1K to $15K
18 May 2026Donald J Trump (President)President 路 SoldSale$1,001 to $15,000$1K to $15K
11 May 2026Donald J Trump (President)President 路 SoldSale$100,001 to $250,000$100K to $250K
6 May 2026Michael T. McCaul (House, R-TX)House, R-TX 路 BoughtPurchase$15,001 to $50,000$15K to $50K
27 Apr 2026Donald J Trump (President)President 路 BoughtPurchase$100,001 to $250,000$100K to $250K
13 Apr 2026Rohit Khanna (House, D-CA)House, D-CA 路 BoughtPurchase$1,001 to $15,000$1K to $15K
9 Apr 2026Donald J Trump (President)President 路 SoldSale$100,001 to $250,000$100K to $250K
27 Mar 2026Alan Armstrong (Senate, R-OK)Senate, R-OK 路 BoughtPurchase$1,001 to $15,000$1K to $15K

Showing 10 of 72 trades

Source: House, Senate and OGE disclosures via the Congress trading monitor

Not on file: no WARN layoff notices under its own name since October 2023.