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Comcast Corp

CCZ
Exchange
NYSE
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 institution reported holding it in 13F filings for Q2 2026, worth $17.7M in total; no superinvestor holds it.

Other share classesCMCSA

Holders of 5% or more of CCZ

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.

No holder currently reports owning 5% or more of Comcast Corp on Schedule 13D or 13G.

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

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

Schedule 13D and 13G filings on CCZ
Filed (ET)FilerFormStakeChangeEvent dateFiling
Feb 13, 2024Vanguard Group Inc13G/AOld format–––SEC
Feb 9, 2023Vanguard Group Inc13G/AOld format–––SEC
Feb 10, 202212:47 PM ETComcast Corp13G/AOld format–––SEC
Feb 9, 2022Vanguard Group Inc13G/AOld format–––SEC
Feb 10, 2021Vanguard Group Inc13G/AOld format–––SEC

Form 144: proposed insider sales

12 notices from officers, directors and other affiliates planning to sell Comcast Corp shares, newest first.

Form 144 notices for CCZ
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Mar 5, 20263:04 PM ETArmstrong JasonOfficer4.49K$142.6KMar 5, 2026Fidelity Brokerage Services LLCSEC
Feb 11, 20261:49 PM ETCavanagh Michael JFamily member of an insider57.9K$1.89MFeb 11, 2026Fidelity Brokerage Services LLCSEC
Feb 3, 202610:11 AM ETNakahara AsukaDirector8.28K$245.8KFeb 3, 2026Fidelity Brokerage Services LLCSEC
Nov 26, 20244:59 PM ETBrian L. RobertsAffiliate469.5K$20.4MNov 26, 2024J.P. Morgan Securities LLCSEC
Nov 26, 20243:15 PM ETCavanagh Michael JFamily member of an insider107.6K$4.58MNov 26, 2024Fidelity Brokerage Services LLCSEC
Nov 26, 20243:05 PM ETCavanagh Michael JOfficer25.5K$1.09MNov 26, 2024Fidelity Brokerage Services LLCSEC
Nov 22, 20245:03 PM ETKenneth J. BaconDirector14.4K$626.3KNov 22, 2024Goldman Sachs & Co. LLCSEC
Nov 6, 20242:32 PM ETArmstrong JasonOfficer23.2K$1.04MNov 6, 2024Fidelity Brokerage Services LLCSEC
Jan 29, 20241:09 PM ETCavanagh Michael JOfficer114.7K$5.29MJan 29, 2024Fidelity Brokerage Services LLCSEC
Nov 20, 20233:04 PM ETArmstrong JasonOfficer41.7K$1.78MNov 20, 2023Fidelity Brokerage Services LLCSEC
Nov 14, 20235:00 PM ETBrian L. RobertsChairman / CEO616.1K$26.1MNov 14, 2023JP Morgan Securities LLCSEC
Nov 14, 20234:06 PM ETThe Aileen K. and Brian L. Roberts FoundationAffiliate600.0K$25.4MNov 14, 2023J.P. Morgan Securities LLCSEC