Company Atlasby Kadoa
Star on GitHub

Comcast CMCSA

Comcast is the 157th largest S&P 500 company by market cap, worth $80.6 billion. 12 directors have filed with the SEC in the last 12 months (who counts), 2 of them executives. 4 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 9.8% of the company.

Co-CEOs
Brian L. Roberts and Michael J. Cavanagh
Chair
Brian L. Roberts
Sector
Communication Services
Sub-industry
Cable & Satellite
Headquarters
Philadelphia, Pennsylvania
Founded
1963
More
Wikipedia
Market cap
$80.6B
157th largest, 23 Oct 2026 close
Revenue
$124B
Fiscal year 2025
Price to sales
0.7
Market cap over revenue
Employees
179,000
10-K, 31 Dec 2025
Market cap per employee
$450K
Market cap over employees
Connections
4
S&P 500 companies sharing a director or officer

Largest institutional holders

Each fund group's share of Comcast. 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 34.1% of Comcast.

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

Board and officers

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

Roles filed up to 30 Sep 2026

NameTitle
Directors (12)
Brian L. RobertsChairman of Board & Co-CEOChairman of Board & Co-CEO
Michael J. CavanaghCo-CEOCo-CEO
Kenneth J. BaconDirectorAlso at WelltowerLast filed 21 Nov 2025Director
Thomas J. Baltimore Jr.DirectorAlso at American ExpressDirector
Madeline S. BellDirectorLast filed 22 Jan 2026Director
Louise F. BradyDirectorDirector
Edward D. BreenDirectorAlso at DuPontDirector
Jeffrey A. HonickmanDirectorDirector
Wonya Y. LucasDirectorLast filed 21 Nov 2025Director
Asuka NakaharaDirectorLast filed 4 Feb 2026Director
David C. NovakDirectorLast filed 21 Nov 2025Director
Gordon SmithDirectorAlso at HumanaDirector
Officers (4)
Jason ArmstrongCFOLast filed 6 Mar 2026CFO
Jennifer KhouryChief Communications OfficerLast filed 18 Mar 2026Chief Communications Officer
Daniel C. MurdockEVP & Chief Accounting OfficerLast filed 3 Apr 2026EVP & Chief Accounting Officer
Thomas J. ReidChief Legal Officer, SecretaryLast filed 3 Mar 2026Chief Legal Officer, Secretary

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

Companies that share people with Comcast

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

  • American Express AXP
    • Thomas J. Baltimore Jr.: Director here, Director there
  • DuPont DD
    • Edward D. Breen: Director here, Director there
  • Humana HUM
    • Gordon Smith: Director here, Director there
  • Welltower WELL
    • Kenneth J. Bacon: Director here, Director there

Source: SEC insider filings 路 See the whole network

Comcast's market cap since December 2008

Weekly, up to 23 Oct 2026

Show equal percentage changes as equal steps.
201020122014201620182020202220242026$80.6B

Source: Yahoo Finance closing prices, SEC XBRL shares outstanding

Workforce

Headcount at 31 Dec 2025

Employees
179,000
As of December 31, 2025, we had approximately 179,000 full-time and part-time employees calculated on a full-time equivalent basis.
Comcast Form 10-K

Source: Comcast 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 $2.3 million of stock in 3 sales and made no open-market purchases in the 12 months to 30 Sep 2026.

DatePersonTitleTypeSharesValue
5 Mar 2026SaleJason ArmstrongCFOCFOSale4,494$143K
11 Feb 2026SaleMichael J. CavanaghCo-CEOCo-CEOSale57,947$1.9M
3 Feb 2026SaleAsuka NakaharaDirectorDirectorSale8,275$246K

Source: SEC insider transactions data sets, Comcast's 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

28 people disclosed 43 purchases and 62 sales of Comcast stock since October 2023.

DateMember or officialTypeAmount
25 Sep 2026Rohit Khanna (House, D-CA)House, D-CA 路 SoldSale$1,001 to $15,000$1K to $15K
10 Aug 2026Donald J Trump (President)President 路 BoughtPurchase$1,000,001 to $5,000,000$1M to $5M
5 Aug 2026Kevin Hern (House, R-OK)House, R-OK 路 SoldSale$1,001 to $15,000$1K to $15K
23 Jul 2026Donald J Trump (President)President 路 BoughtPurchase$50,001 to $100,000$50K to $100K
20 Jul 2026Rohit Khanna (House, D-CA)House, D-CA 路 BoughtPurchase$1,001 to $15,000$1K to $15K
17 Jul 2026Donald J Trump (President)President 路 BoughtPurchase$15,001 to $50,000$15K to $50K
17 Jul 2026Donald J Trump (President)President 路 SoldSale$15,001 to $50,000$15K to $50K
17 Jul 2026Donald J Trump (President)President 路 BoughtPurchase$1,001 to $15,000$1K to $15K
17 Jul 2026Gilbert Cisneros (House, D-CA)House, D-CA 路 SoldSale$1,001 to $15,000$1K to $15K
7 Jul 2026Rohit Khanna (House, D-CA)House, D-CA 路 BoughtPurchase$1,001 to $15,000$1K to $15K

Showing 10 of 105 trades

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

WARN layoff notices

Notices filed under Comcast's own name. Subsidiaries that file under their own names are not included.

Notices from 26 Oct 2023 to 26 Oct 2026

Comcast filed 2 notices covering 542 workers since October 2023.

NoticePlaceWorkersEffective
15 Oct 2025CO30231 Dec 2025
15 Oct 2025Atlanta, GA24031 Dec 2025

Source: State WARN notices via the US layoffs tracker