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CMCSA COMCAST CORP NEW

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COM (common), issuer CIK 1166691

2,008 managers (2,058 13F filers) reported a position in CMCSA shares at 2026-03-31, 3,145,963,509 shares in all. 151 filers opened a position and 200 filers sold out during the quarter.

Managers
2,008
13F filers
2,058
New
151
Added
883
Reduced
755
Sold out
200
Shares held by filers
3,145,963,509

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Seneschal Advisors, LLC28$804<0.01%013F-HRTimeline
CLEAR INVESTMENT RESEARCH, LLC25$718<0.01%new13F-HRTimeline
BALLAST ADVISORS LLC24$689<0.01%new13F-HR/ATimeline
PALLADIEM, LLC24$670<0.01%013F-HRTimeline
DecisionPoint Financial, LLC21$603<0.01%013F-HRTimeline
3 FACTOR INDEXING, LLC10$288<0.01%13F-HRTimeline
Torren Management, LLC1$29<0.01%-2,92113F-HRTimeline
WBI INVESTMENTS, LLCgroup of 2 filers holding0newTimeline