Comcast Holdings Corp.
Comcast Holdings Corp. (CCZ) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · CCZ · as of Sep 30, 2025
Ownership Breakdown
1
Institutional Holders
$17.05M
Total Inst. Value
▲ $167,413 vs Q2
947.23M
Shares Outstanding
freeFloat 0.00%
284,060
13F Shares Held
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
CCZ largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 1 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
THORNBURG INVESTMENT MANAGEMENT INC cable & other pay television services | 284.1K | 0.76% | 0.76% | $17.05B | Nov 12, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
0
Increased
+0 shares0
New Positions
first time holders0
Decreased
−0 shares0
Sold Out
fully exitedNet shares change (top 50)
+0
+0 / −0
Net new holders
+0
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
CCZ insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
2
Buy transactions
3
Sell transactions
0.67
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
ROBERTS BRIAN L Chairman of Board & Co-CEO | May 19, 2026 | Gift | 202,500 | — | — | 5.70M | Form 4 ↗ |
BREEN EDWARD D director | May 11, 2026 | Gift | 32,440 | — | — | 89.0K | Form 4 ↗ |
Murdock Daniel C. EVP & Chief Accounting Officer | Apr 3, 2026 | Tax Withhold | 2,073 | $27.93 | $57.9K | 62.4K | Form 4 ↗ |
Smith Gordon director | Mar 31, 2026 | Award | 1,176 | — | — | 9.0K | Form 4 ↗ |
Honickman Jeffrey A director | Mar 31, 2026 | Award | 1,524 | — | — | 262.6K | Form 4 ↗ |
BREEN EDWARD D director | Mar 31, 2026 | Award | 697 | — | — | 56.5K | Form 4 ↗ |
Brady Louise F. director | Mar 31, 2026 | Award | 1,176 | — | — | 32.7K | Form 4 ↗ |
Baltimore Thomas J Jr director | Mar 31, 2026 | Award | 1,176 | — | — | 39.0K | Form 4 ↗ |
Khoury Jennifer Chief Communications Officer | Mar 17, 2026 | Tax Withhold | 10,514 | $30.08 | $316.3K | 60.5K | Form 4 ↗ |
BREEN EDWARD D director | Mar 17, 2026 | Gift | 30,000 | — | — | 55.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Comcast Holdings Corp. (CCZ) is primarily owned by institutional investors, who hold approximately 0.0% of total shares outstanding. Company insiders own approximately 100.00%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Comcast Holdings Corp. is THORNBURG INVESTMENT MANAGEMENT INC, holding approximately 284,060 shares — equal to 0.76% of outstanding shares — as of September 30, 2025.
A total of 1 institutional investors currently hold CCZ stock, with a combined institutional value of approximately $17,050,295 as of the most recent 13F filing period.
Frequently asked questions
CCZ ownershipComcast Holdings Corp. (CCZ) is primarily owned by institutional investors, who hold approximately 0.0% of shares. The largest shareholder is THORNBURG INVESTMENT MANAGEMENT INC with a 0.76% stake. Company insiders hold 100.00%. Data sourced from SEC Form 13F as of September 30, 2025.