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CMCSA in the 13F filings

Comcast Corp New · CUSIP 20030N101

Sector · Communications and media
Quarter
Q3 2026 · early filersQ2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023
Quarter end
31 Dec 2024
the date the book describes
Filed
5 Nov 2026
latest of these filings; the earliest 7 Feb 2025
Managers listing it
29
at least, of 95 tracked, among listed positions
Comparable managers
94
filed both Q3 2024 and Q4 2024; 24 listed it in both
Shares listed
641,773,364
combined, among listed positions
Reported value
$24.1bn
combined, at the quarter end

Among the 94 comparable managers: 15 buyers (opened or added shares) and 17 sellers (trimmed or exited), at least, among listed positions. Their net change in shares is not known from listed positions, because at least one of them lists it in only one of the two quarters.

Managers listing CMCSA in Q4 2024

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q3 2024, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

29 of 29 holders

ActionFiling
Capital World Investors141,680,277$5.3bn0.81%Added+11,255,68313 Feb 2025 (the filing on sec.gov)
Fidelity (FMR LLC)116,944,933$4.4bn0.26%Trimmed-475,3955 Nov 2026 (the filing on sec.gov)
Dodge & Cox79,102,667$3.0bn1.73%Added+5,039,82313 Feb 2025 (the filing on sec.gov)
Invesco Ltd45,175,969$1.7bn0.31%Added+4,669,06913 Feb 2025 (the filing on sec.gov)
T. Rowe Price Associates Inc43,790,404$1.6bn0.19%Trimmed-2,212,73614 Feb 2025 (the filing on sec.gov)
Capital Research Global Investors35,536,660$1.3bn0.27%Trimmed-3,233,00613 Feb 2025 (the filing on sec.gov)
First Eagle Investment Management LLC34,101,077$1.3bn2.86%Added+2,270,18610 Feb 2025 (the filing on sec.gov)
MFS Investment Management26,355,210$989m0.31%Trimmed-17,065,98012 Feb 2025 (the filing on sec.gov)
Arrowstreet Capital LP24,400,475$916m0.73%Trimmed-3,260,74012 Feb 2025 (the filing on sec.gov)
Harris Associates LP20,482,857$769m1.01%Trimmed-939,95614 Feb 2025 (the filing on sec.gov)
Viking Global Investors LP19,818,985$744m2.41%Added+16,726,30014 Feb 2025 (the filing on sec.gov)
AllianceBernstein LP18,631,062$699m0.24%Trimmed-226,99712 Feb 2025 (the filing on sec.gov)
AQR Capital Management LLC12,370,413$464m0.60%Added+2,585,17814 Feb 2025 (the filing on sec.gov)
Acadian Asset Management LLC3,466,888$130m0.38%Added+3,085,05111 Feb 2025 (the filing on sec.gov)
Artisan Partners LP3,353,759$126m0.19%Added+135,84512 Feb 2025 (the filing on sec.gov)
Bridgewater Associates LP2,999,578$113m0.52%Added+1,606,93713 Feb 2025 (the filing on sec.gov)
Man Group PLC2,298,755$86m0.23%Addedn.a.14 Feb 2025 (the filing on sec.gov)
Point72 Asset Management LP2,041,705$77m0.17%Trimmed-5,501,68914 Feb 2025 (the filing on sec.gov)
Neuberger Berman Group LLC1,447,986$54munder 0.1%Trimmed-129,19413 Feb 2025 (the filing on sec.gov)
Two Sigma Investments LP1,204,117$45m0.10%Trimmed-1,609,95814 Feb 2025 (the filing on sec.gov)
Squarepoint Ops LLC1,064,225$40munder 0.1%Addedn.a.14 Feb 2025 (the filing on sec.gov)
Balyasny Asset Management LLC1,024,881$38m0.06%Trimmed-1,678,19714 Feb 2025 (the filing on sec.gov)
Markel Group Inc961,880$36m0.32%Trimmed-119,3617 Feb 2025 (the filing on sec.gov)
Woodline Partners LP905,314$34m0.23%Added+189,75914 Feb 2025 (the filing on sec.gov)
Janus Henderson Group Ltd886,117$33munder 0.1%Trimmed-531,94714 Feb 2025 (the filing on sec.gov)
Page 1 of 2

Largest increases and reductions, by shares

Q3 2024 to Q4 2024, among managers that listed it in both quarters or opened it.

Increases

Reductions

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (1)

Exited (3)

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
33 in Q3 2024 to 29 in Q2 2026

Tracked managers listing it, at least.

02040602014201620182020202220242026
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
CMCSA by quarter
QuarterHoldersReported valueBuyersSellers
Q2 201328$20.3bnn.a.n.a.
Q3 201330$21.3bnn.a.n.a.
Q4 201334$23.7bnn.a.n.a.
Q1 201435$24.3bnn.a.n.a.
Q2 201436$27.5bnn.a.n.a.
Q3 201432$27.0bnn.a.n.a.
Q4 201434$26.1bnn.a.n.a.
Q1 201531$24.8bnn.a.n.a.
Q2 201534$26.5bnn.a.n.a.
Q3 201536$26.4bnn.a.n.a.
Q4 201535$29.0bnn.a.n.a.
Q1 201633$30.7bnn.a.n.a.
Q2 201634$32.7bnn.a.n.a.
Q3 201633$33.5bnn.a.n.a.
Q4 201638$34.0bnn.a.n.a.
Q1 201740$38.8bnn.a.n.a.
Q2 201740$40.1bnn.a.n.a.
Q3 201739$40.5bnn.a.n.a.
Q4 201739$41.1bnn.a.n.a.
Q1 201836$33.7bnn.a.n.a.
Q2 201839$32.8bnn.a.n.a.
Q3 201839$32.2bnn.a.n.a.
Q4 201838$30.5bnn.a.n.a.
Q1 201936$35.3bnn.a.n.a.
Q2 201942$37.0bnn.a.n.a.
Q3 201935$38.7bnn.a.n.a.
Q4 201936$36.1bnn.a.n.a.
Q1 202036$27.7bnn.a.n.a.
Q2 202033$33.2bnn.a.n.a.
Q3 202032$40.8bnn.a.n.a.
Q4 202035$45.9bnn.a.n.a.
Q1 202138$49.8bnn.a.n.a.
Q2 202134$52.9bnn.a.n.a.
Q3 202133$51.4bnn.a.n.a.
Q4 202137$45.2bnn.a.n.a.
Q1 202238$40.3bnn.a.n.a.
Q2 202239$32.1bnn.a.n.a.
Q3 202237$22.8bnn.a.n.a.
Q4 202228$25.4bnn.a.n.a.
Q1 202326$28.7bnn.a.n.a.
Q2 202325$29.4bnn.a.n.a.
Q3 202332$30.6bnn.a.n.a.
Q4 202325$28.6bn1312
Q1 202426$26.8bn1214
Q2 202428$24.1bn1812
Q3 202433$27.0bn2210
Q4 202429$24.1bn1517
Q1 202533$24.1bn258
Q2 202534$22.3bn1817
Q3 202534$18.9bn1914
Q4 202533$20.0bn2326
Q1 202628$20.1bn1729
Q2 202629$16.2bn2324

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

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How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

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