Skip to main content
AAPLMSFTGOOGLMETANVDABRK-BAMZNJPMBACKOCVXOXYAXPCMGV
HoldLens logoHoldLens
← All tickers
Stock ownership · Live

CMCSA logoCMCSA

Comcast · Communication

Today — 2026-04-21
All movers →
Last:$29.88
Day:+6.17%
Source: Yahoo Finance EOD 2026-04-21
Tracked owners
1
Sum of conviction
4%
Sector
Communication
HoldLens Signal
Full buy/sell dossier for CMCSA
Verdict · Multi-quarter trend · Activity · News · Ownership
Open dossier →
HoldLens Pro · Founders pricing
Email alerts + conviction scores + alpha attribution
€9/mo founders · cancel anytime
See pricing →

Smart money activity

Every tracked buy, add, trim, and exit on CMCSA by the best portfolio managers in the world. Ranked by manager quality inside each quarter.

Smart money activity
8 buys · 2 sells across tracked 13F filings
Net signal: STRONG BUY
Q4 2025(2 moves)
Portfolio manager% portfolio
Joel GreenblattElite
Gotham Asset Management
0.20%
Bill Nygren
Oakmark Funds
1.00%
Q2 2025(1 move)
Portfolio manager% portfolio
Joel GreenblattElite
Gotham Asset Management
0.20%
Q1 2025(2 moves)
Portfolio manager% portfolio
Joel GreenblattElite
Gotham Asset Management
0.60%
Andreas HalvorsenElite
Viking Global Investors
0.00%
Q4 2024(2 moves)
Portfolio manager% portfolio
Andreas HalvorsenElite
Viking Global Investors
2.40%
Joel GreenblattElite
Gotham Asset Management
0.60%
Q3 2024(2 moves)
Portfolio manager% portfolio
Andreas HalvorsenElite
Viking Global Investors
0.50%
Joel GreenblattElite
Gotham Asset Management
0.60%
Q2 2024(1 move)
Portfolio manager% portfolio
Joel GreenblattElite
Gotham Asset Management
0.50%

Insider activity

SEC Form 4 filings — when CEOs, CFOs, and 10%+ owners buy or sell their own stock.

Latest news

Recent headlines for CMCSA.

Hedge funds holding CMCSA

1 superinvestor hold Comcast as a top position. Sorted by % of portfolio.

Manager% Portfolio
Bill Nygren fund logoBill Nygren
Cable + content, dividend payer.
3.8%
Dividend tax by country

What will you keep of every $100 in CMCSA dividend?

Withholding rate
0%
Domestic (no cross-border)
Tax withheld
$0.00
You'd receive
$1000.00
Of $1000 gross
Source & treaty reference
Treaty: Domestic — no cross-border withholding
Citation: IRC §§ 1441–1446 (withholding applies to foreign persons; US residents not subject to WHT on US-source dividends)
U.S. residents receiving U.S.-source dividends: no cross-border withholding; taxed on return at qualified (0/15/20%) or ordinary rates.

Estimates for educational purposes only. Tax rules change; consult a qualified tax professional for your specific situation. Dividend-tax treatment depends on holding period, account type (taxable vs. retirement), investor type (individual vs. pension vs. mutual fund), limitation-on-benefits tests, and other factors not modeled here.

Full dividend-tax rules for United States investors →

Get alerts when they buy or sell CMCSA

One email per 13F filing — you'll know within hours if any tracked manager moves on CMCSA.

Related smart-money signals

Derived from the same 13F filings
Same sector · Communication
Top conviction in this sector
  1. 1.DISThe Walt Disney Company
    +1
  2. 2.NFLXNetflix
    0
  3. 3.LBTYKLiberty Global Class C
    -4
  4. 4.WBDWarner Bros. Discovery
    -4
  5. 5.SPOTSpotify
    -8
All Communication names →

Data sourced from SEC 13F filings. CMCSA ownership reflects publicly disclosed long positions only. Not investment advice.