Comcast Corporation· CMCSA

🇺🇸 US · LargeSP500NASDAQ

Communication Services Telecommunications Services Website

Price: $22.74
Day: -0.74%
Mkt Cap: $80.70B
52W Range: $21.28 – $32.86
Volume: 63.89M
Beta: 0.66

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

Smart Money: 3.1 / 5 (Neutral), from 3 of 3 components
Institutions Q2 2026: 1,983 institutions hold; 839 added, 883 reduced

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Comcast Corporation

CMCSA|Communication Services|Telecommunications Services

Current price: $23

Smart Money

Dimension 5 of 5

Insider selling pace · Q1 2026

N/A

insufficient history to compare

Seller breadth · Q1 2026

3 sellers

vs 4.0 avg per quarter

Institutional net breadth · Q2 2026

-197

1,001 adding vs 1,198 reducing

Institutional ownership · Q2 2026

91.7%

1,983 institutions

Insider Selling Pace

Each quarter's selling vs this stock's own trailing 6-quarter average

Light <0.5xRoutineElevated >1.5xHeavy >3xBuying

Institutional Positions

Institutions adding above the line, reducing below, net as a line

NewIncreasedReducedClosedNet

Largest Institutional Holders, Q2 2026

By reported market value, and how each moved in the quarter

Holder

Change

BLACKROCK, INC.

313.2M

+0.7%

VANGUARD CAPITAL MANAGEMENT LLC

232.6M

+1.1%

STATE STREET CORP

195.1M

+8.1%

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

133.1M

+10.9%

SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P.

133.1M

+100.0%

INVESCO LTD.

125.1M

+68.3%

ETF & Fund Activity, Q3 2026

How the covering funds split between buying, holding and selling

0 buying10 unchanged2 selling

12 funds held CMCSA in Q3 2026, holding 24.2M shares between them, down 0.0% on the quarter.

Largest fund holders

SPDR SERIES TRUST18.9M sh

FPA FUNDS TRUST4.6M sh

NATIONWIDE MUTUAL FUNDS183.1K sh

Notable Insider Transactions, Q1 2026

Largest open-market purchases and sales by value in the last eight quarters

Sale · Nov 27

ROBERTS BRIAN L

$10.1M

Sale · Nov 26

ROBERTS BRIAN L

$10.0M

Sale · Nov 26

Cavanagh Michael J

$4.6M

Insider transactions from SEC Form 4 filings; institutional holdings from quarterly 13F filings, which are reported with a lag and can overlap between filers. 13F: quarterly institutional holdings report · ETF: Exchange-Traded Fund

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

Explore CMCSA on stockoscope.com→

Generated September 20, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

CMCSA Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

3.1/5

Neutral

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

-9

Institutional Flow

50% weight

+34

Fund Flow

10% weight

-100

Overall Smart Money sentiment of 3.1/5 (Neutral) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated September 19, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Selling Pace for CMCSA

Each quarter's selling vs the stock's own trailing 6-quarter average; 1.0x is typical for this stock. Green triangles mark quarters with insider buying.

Neutral

Routine insider selling in Q1 2026

3 sales totaling $2.3M (70.7K shares)

Limited history to compare against

3 different insiders sold this quarter

Sell-only pattern: no insider purchases across 15 quarters

N/A

Selling pace

insufficient history to compare

0.27%

Stake sold

of active insiders' holdings

3 sellers

Seller breadth

in Q1 2026

None

Insider buying

in the last 16 quarters

Notable Recent Transactions, CMCSA

Top 8 highest-value insider trades from the last 8 quarters

ROBERTS BRIAN L

Chairman of Board & CEO

Sell

235,051 shares at $42.80

≈3.5% of their stake at the time

Nov 27, 2024$10.06M

ROBERTS BRIAN L

Chairman of Board & CEO

Sell

234,464 shares at $42.66

≈3.4% of their stake at the time

Nov 26, 2024$10.00M

Cavanagh Michael J

President

Sell

107,622 shares at $42.53

≈19.2% of their stake at the time

Nov 26, 2024$4.58M

Cavanagh Michael J

Co-CEO

Sell

57,947 shares at $32.66

≈8.5% of their stake at the time

Feb 11, 2026$1.89M

Cavanagh Michael J

President

Sell

25,537 shares at $42.59

≈4.6% of their stake at the time

Nov 26, 2024$1.09M

BACON KENNETH J

Director

Sell

14,408 shares at $43.39

≈30.6% of their stake at the time

Nov 22, 2024$625.09K

Armstrong Jason

CFO

Sell

13,248 shares at $44.83

≈14.2% of their stake at the time

Nov 6, 2024$593.94K

Armstrong Jason

CFO

Sell

10,000 shares at $44.86

≈9.7% of their stake at the time

Nov 6, 2024$448.60K

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Positions for CMCSA

Institutions adding (new + increased) above zero, reducing (reduced + closed) below, net as a line

New Increased Reduced Closed Net (adding − reducing)

Bullish Signal

Institutions accumulating in Q2 2026

91.7% institutional ownership

Balanced activity: 1001 adding vs 1198 reducing

13F shares increased by 5.2%, a significant shift

Momentum weakening from prior quarter

-197

Net breadth

1,001 adding vs 1,198 reducing

Balanced

0.84

Add / reduce ratio

in Q2 2026

-153

New − closed

162 initiated, 315 exited

9 of 10

Top holders adding

largest holders with a known change

Position Changes

Q2 2026: how are institutions adjusting their positions?

+1001 growing-1198 shrinkingNet: -197

162

839

883

315

New (162)

Increased (839)

Reduced (883)

Closed (315)

Top Institutional Holders, CMCSA

Largest 8 institutional positions by ownership percentage as of Q2 2026

BLACKROCK, INC.

313.2M

$7.7B

Ownership

8.77%

+0.7%

VANGUARD CAPITAL MANAGEMENT LLC

232.6M

$5.7B

Ownership

6.52%

+1.1%

STATE STREET CORP

195.1M

$4.8B

Ownership

5.46%

+8.1%

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

133.1M

$3.3B

Ownership

3.73%

+10.9%

SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P.

133.1M

$3.3B

Ownership

3.73%

+100.0%

INVESCO LTD.

125.1M

$3.1B

Ownership

3.50%

+68.3%

CAPITAL RESEARCH GLOBAL INVESTORS

116.1M

$2.9B

Ownership

3.25%

+31.3%

DODGE & COX

115.9M

$2.8B

Ownership

3.25%

+3.8%

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q3 2026: 12 ETFs and mutual funds reporting

0 buying2 sellingNet: -2

Buying (0)

Unchanged (10)

Selling (2)

In total, funds bought 0 shares and sold 11.4K this quarter. Each fund counts once in the bar above, whatever the size of its move.

Very Bearish

Funds distributing in Q3 2026

12 ETFs and mutual funds reporting

2 funds selling vs 0 buying

Top Fund Holders, CMCSA

Largest 8 ETF and mutual fund positions by shares held, each fund's latest filing

SPDR SERIES TRUST

18.9M

Weight

93.62%

Jul 31, 2026No change

FPA FUNDS TRUST

4.6M

Weight

—

Jul 31, 2026No change

NATIONWIDE MUTUAL FUNDS

183.1K

Weight

0.03%

Jul 31, 2026Decreased

MADISON FUNDS

175.7K

Weight

3.62%

Jul 31, 2026No change

GLENMEDE FUND INC

159.3K

Weight

9.70%

Jul 31, 2026Decreased

Northern Lights Fund Trust

75.1K

Weight

0.16%

Jul 31, 2026No change

FORUM FUNDS

39.4K

Weight

—

Jul 31, 2026No change

AB CORE OPPORTUNITIES FUND, INC.

36.2K

Weight

—

Jun 30, 2026No change

Comcast Corporation· CMCSA

Holdings Analysis

Insider Trading Activity

1.3Transaction History26Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings188Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History26Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings188Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights