Ticker · CUSIP 20030N101
···Share
Holders (tracked)
30
Combined shares
372,735,439
Combined value
$11.13B
Last close
$29.63
Quarter
2025Q4
Price · 1Y$29.63-0.91 (-2.97%)H $32.62 · L $24.23 · Avg Vol 29.5M
Congress buyCongress sell
$24.00$26.00$28.00$30.00$32.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+5 vs previous quarter over the last 8.
30232024Q12025Q4
Price is -0.8% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

30 events
  1. +168,658 shares · 2025Q4
    Position
  2. −2,559,988 shares · 2025Q4
    Position
  3. +3,593,918 shares · 2025Q4
    Position
  4. −9,281,293 shares · 2025Q4
    Position
  5. −288,587 shares · 2025Q4
    Position
  6. +526,600 shares · 2025Q4
    Position
  7. −2,626,319 shares · 2025Q4
    Position
  8. +5,399,810 shares · 2025Q4
    Position
  9. +483,519 shares · 2025Q4
    Position
  10. −6,556,098 shares · 2025Q4
    Position
  11. +5,044,824 shares · 2025Q4
    Position
  12. +1,798,312 shares · 2025Q4
    Position
  13. +399,596 shares · 2025Q4
    Position
  14. +73,440 shares · 2025Q4
    Position
  15. −3,349,613 shares · 2025Q4
    Position
  16. −366,500 shares · 2025Q4
    Position
  17. −403,800 shares · 2025Q4
    Position
  18. +83,594,032 shares · 2025Q4
    Position
  19. −7,822 shares · 2025Q4
    Position
  20. −14,383 shares · 2025Q4
    Position
  21. +245,271 shares · 2025Q4
    Position
  22. −1,017,022 shares · 2025Q3
    Position
  23. +6,105,867 shares · 2025Q3
    Position
  24. +3,489,648 shares · 2025Q3
    Position
  25. −231,248 shares · 2025Q3
    Position
  26. −3,417,160 shares · 2025Q3
    Position
  27. −4,188,353 shares · 2025Q3
    Position
  28. −13,186,740 shares · 2025Q3
    Position
  29. −29,052 shares · 2025Q3
    Position
  30. −2,246 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of CMCSA…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
D.E. Shaw & Co.2016Q1$28.39+4.4%$3.7M
D.E. Shaw & Co.2016Q1$28.39+4.4%$3.7M
D.E. Shaw & Co.2016Q1$28.39+4.4%$3.7M
Wellington Management2016Q1$29.93-1.0%$59.6M
Steve Cohen (Point72)2016Q1$29.94-1.0%$26.0M
Steve Cohen (Point72)2016Q1$29.94-1.0%$26.0M
Steve Cohen (Point72)2016Q1$29.94-1.0%$26.0M
Ken Griffin (Citadel Advisors)2016Q1$31.01-4.4%$116.6M
Ken Griffin (Citadel Advisors)2016Q1$31.01-4.4%$116.6M
Ken Griffin (Citadel Advisors)2016Q1$31.01-4.4%$116.6M
Izzy Englander (Millennium Mgmt)2016Q1$31.08-4.7%$133.1M
Izzy Englander (Millennium Mgmt)2016Q1$31.08-4.7%$133.1M
Izzy Englander (Millennium Mgmt)2016Q1$31.08-4.7%$133.1M
Renaissance Technologies2016Q2$32.85-9.8%$194.4M
Paul Tudor Jones (Tudor Investment)2016Q3$33.52-11.6%$4.0M
Paul Tudor Jones (Tudor Investment)2016Q3$33.52-11.6%$4.0M
AQR Capital Management2016Q1$36.25-18.3%$317.4M
Boykin Curry (Eagle Capital)2016Q1$36.35-18.5%$1.18B
Ray Dalio (Bridgewater Associates)2017Q2$37.29-20.5%$104.0M
Wally Weitz (Weitz Investment)2016Q1$37.95-21.9%$2.5M
Bill Nygren (Harris / Oakmark)2016Q1$38.12-22.3%$813.6M
Jeremy Grantham (GMO)2016Q1$38.74-23.5%$50.2M
Tom Gayner (Markel Group)2016Q2$39.58-25.1%$28.5M
T. Rowe Price2016Q1$40.20-26.3%$381.1M
George Soros (Soros Fund Mgmt)2016Q2$40.35-26.6%$2.2M
Dodge & Cox2016Q1$41.27-28.2%$3.35B
First Eagle Investment Management2016Q1$47.55-37.7%$1.07B
Mario Gabelli (GAMCO)2016Q1$48.19-38.5%$11.9M
Ken Fisher (Fisher Asset Mgmt)2016Q1$48.26-38.6%$1.4M
Norges Bank (Norway SWF)2016Q1$544.66-94.6%$2.48B

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
Added to7
Trimmed9
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
31
$2.41T
2022Q2
28
$2.02T
2022Q3
29
$19.58B
2022Q4
28
$21.94B
2023Q1
27
$22.93B
2023Q2
28
$24.54B
2023Q3
27
$24.20B
2023Q4
22
$23.78B
2024Q1
23
$24.78B
2024Q2
28
$23.92B
2024Q3
28
$13.70B
2024Q4
27
$13.77B
2025Q1
26
$10.11B
2025Q2
30
$13.92B
2025Q3
25
$9.12B
2025Q4
30
$11.13B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2026-03-17Kevin HernSell$15K – $50KPDF ↗
2026-01-09Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-12-18Julie JohnsonSell$1K – $15KPDF ↗
2025-11-18Gilbert CisnerosSell (P)$1K – $15KPDF ↗
2025-11-13Julie JohnsonSell (P)$1K – $15KPDF ↗
2025-11-12Gilbert CisnerosSell (P)$1K – $15KPDF ↗
2025-10-09Gilbert CisnerosSell (P)$1K – $15KPDF ↗
2025-09-23Valerie HoyleSell$1K – $15KPDF ↗
2025-08-14Julie JohnsonSell (P)$1K – $15KPDF ↗
2025-08-05Gilbert CisnerosSell (P)$1K – $15KPDF ↗
2025-08-04Scott Scott FranklinSell$1K – $15KPDF ↗
2025-08-04Scott Scott FranklinSell$1K – $15KPDF ↗

Who owns CMCSA

30 super-investors · 2025Q4
Tracked stake
372.74M
shares
Combined value
$11.13B
% of shares outstanding
shares-out unknown
Quarter action mix
New7Added11Trim11Held1
#ManagerSharesValue
1Dodge & Cox112.97M$3.38B
2Norges Bank
Norway SWF
83.59M$2.50B
3Boykin Curry
Eagle Capital
39.91M$1.19B
4First Eagle Investment Management36.17M$1.08B
5Bill Nygren
Harris / Oakmark
27.46M$821M
6T. Rowe Price12.86M$384M
7AQR Capital Management10.71M$320M
8Izzy Englander
Millennium Mgmt
7.13M$213M
9Renaissance Technologies6.56M$196M
10Ken Griffin
Citadel Advisors
4.73M$141M
11Izzy Englander
Millennium Mgmt
4.49M$134M
12D.E. Shaw & Co.4.78M$134M
13Ken Griffin
Citadel Advisors
3.93M$118M
14Ray Dalio
Bridgewater Associates
3.51M$105M
15Ken Griffin
Citadel Advisors
2.80M$84M
16Wellington Management2.01M$60M
17Izzy Englander
Millennium Mgmt
1.95M$58M
18Steve Cohen
Point72
1.80M$54M
19Jeremy Grantham
GMO
1.69M$51M
20Tom Gayner
Markel Group
961.9K$29M
21Steve Cohen
Point72
877.4K$26M
22D.E. Shaw & Co.508.4K$14M
23Mario Gabelli
GAMCO
402.9K$12M
24Paul Tudor Jones
Tudor Investment
390.5K$12M
25Paul Tudor Jones
Tudor Investment
136.1K$4M
26D.E. Shaw & Co.124.8K$3M
27Wally Weitz
Weitz Investment
85.0K$3M
28George Soros
Soros Fund Mgmt
73.4K$2M
29Steve Cohen
Point72
52.1K$2M
30Ken Fisher
Fisher Asset Mgmt
47.7K$1M

Recent moves

20 transactions
Embed this chart
Paste this iframe anywhere to embed the live CMCSA chart.
<iframe src="https://openstocks.me/embed/stocks/CMCSA" width="100%" height="480" frameborder="0" loading="lazy" title="CMCSA chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>
Explore related topics