Skip to main content
Livermore
Livermore
ZHEN

Comcast Corp

CMCSA
Exchange
Nasdaq
Industry
Cable & Other Pay Television Services
SEC CIK
0001166691

No open-market purchases or sales by Comcast Corp insiders were filed in the last 90 days; 1,902 institutions reported holding it in 13F filings for Q2 2026, worth $77.1B in total; 5 superinvestors hold it, including Harris Associates (Oakmark) and Gardner Russo & Quinn.

Other share classesCCZ

Holders of 5% or more of CMCSA

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Comcast Corp, largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of CMCSA
HolderLatest formStakeChangeFirst filedLatest filingFiling
State Street Corp13G5.10%186.8M sharesNewFeb 9, 20261 filingFeb 9, 2026SEC
Capital World Investors13G5.10%184.2M sharesNewMay 14, 20261 filingMay 14, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

4 Schedule 13D and 13G filings on Comcast Corp, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on CMCSA
Filed (ET)FilerFormStakeChangeEvent dateFiling
May 14, 20261:55 PM ETCapital World Investors13G5.10%184.2M sharesNewMar 31, 2026SEC
Apr 29, 20265:52 PM ETVanguard Capital Management LLC13G7.52%269.9M sharesNewMar 31, 2026SEC
Mar 26, 20265:40 PM ETVanguard Group Inc13G/A0.00%0 shares−10.03 ppfrom 10.03%Below 5%Mar 13, 2026SEC
Feb 9, 20266:29 AM ETState Street Corp13G5.10%186.8M sharesNewDec 31, 2025SEC
Jun 5, 20252:11 PM ETVanguard Group Inc13G/A10.03%373.6M shares–May 30, 2025SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Comcast Corp shares.

No Form 144 notices for Comcast Corp are on file.