Institutional shares held 2.94 Billion
44.2M calls
17.4M puts
Total value of holdings $80B
$1.2B calls
$473M puts
Market Cap $120B
4,403,789,824 Shares Out.
Institutional ownership 66.74%
# of Institutions 2,564


Latest Institutional Activity in CMCSA

Top Purchases

Q3 2025
Capital Research Global Investors Shares Held: 33.7M ($917M)
Q3 2025
State Street Corp Shares Held: 181M ($4.92B)
Q3 2025
Canada Pension Plan Investment Board Shares Held: 12.1M ($331M)
Q3 2025
Goldman Sachs Group Inc Shares Held: 28.9M ($787M)
Q3 2025
Citadel Advisors LLC Shares Held: 7.29M ($198M)

Top Sells

Q3 2025
Price T Rowe Associates Inc Shares Held: 22.1M ($603M)
Q3 2025
Capital World Investors Shares Held: 116M ($3.16B)
Q3 2025
Ubs Asset Management Americas Inc Shares Held: 27.3M ($743M)
Q3 2025
Alliancebernstein L.P. Shares Held: 7.9M ($215M)
Q3 2025
Jpmorgan Chase & CO Shares Held: 84.3M ($2.3B)

About CMCSA

Comcast Corporation operates as a media and technology company worldwide. It operates through Cable Communications, Media, Studios, Theme Parks, and Sky segments. The Cable Communications segment offers broadband, video, voice, wireless, and other services to residential and business customers under the Xfinity brand; and advertising services. The Media segment operates NBCUniversal's television and streaming platforms, including national, regional, and international cable networks, the NBC and Telemundo broadcast, and Peacock networks. The Studios segment operates NBCUniversal's film and television studio production and distribution operations. The Theme Parks segment operates Universal theme parks in Orlando, Florida; Hollywood, California; Osaka, Japan; and Beijing, China. The Sky segment offers direct-to-consumer services, such as video, broadband, voice and wireless phone services, and content business operates entertainment networks, the Sky News broadcast network, and Sky Sports networks. The company also owns the Philadelphia Flyers, as well as the Wells Fargo Center arena in Philadelphia, Pennsylvania; and provides streaming service, such as Peacock. Comcast Corporation was founded in 1963 and is headquartered in Philadelphia, Pennsylvania.


Insider Transactions at CMCSA

Insider Transaction List

View all
Date Insider Transaction Ownership Type Shares Traded Value / Price
View All Transactions

Last 12 Months Summary

Buy / Acquisition
2.03M Shares
From 18 Insiders
Grant, award, or other acquisition 103K shares
Exercise of conversion of derivative security 1.26M shares
Other acquisition or disposition 406K shares
Bona fide gift 258K shares
Sell / Disposition
3.4M Shares
From 11 Insiders
Payment of exercise price or tax liability 1.03M shares
Bona fide gift 1.97M shares
Other acquisition or disposition 406K shares

Track Institutional and Insider Activities on CMCSA

Follow COMCAST CORP and customize your updates to receive the information that matters most to you.

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells CMCSA shares.

Notify only if

Insider Trading

Get notified when an Comcast Corp insider buys or sells CMCSA shares.

Notify only if

News

Receive news related to COMCAST CORP

Track Activities on CMCSA