Comcast Corp
CMCSA- Exchange
- Nasdaq
- Industry
- Cable & Other Pay Television Services
- SEC CIK
- 0001166691
No open-market purchases or sales by Comcast Corp insiders were filed in the last 90 days; 1,902 institutions reported holding it in 13F filings for Q2 2026, worth $77.1B in total; 5 superinvestors hold it, including Harris Associates (Oakmark) and Gardner Russo & Quinn.
Other share classesCCZ
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −132 vs. previous quarter
- 1,902
- 13F valueReported value at the end of Q2 2026
- $77.1B
- Superinvestors holdingAt the end of Q2 2026
- 5
Price chart
Superinvestors holding CMCSA, Q2 2026
5 superinvestors report holding Comcast Corp on Form 13F. Percentages are the stock's share of each portfolio.
Harris Associates (Oakmark)
Bill Nygren
0.2%
Comcast Corp's share of the portfolio
- Shares
- 7,173,464
- Value
- $176.1M
| Superinvestor | Weight | Value |
|---|---|---|
| Greenlight Capital | 0.8% | $33.0M |
| Markel Group | 0.1% | $19.7M |
| Weitz Investment Management | 0.1% | $1.15M |
Latest insider trades
Open-market purchases and sales by Comcast Corp insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 6, 2026 (view filing) | Mar 5 | 1 day | Armstrong JasonCFO | SSaleClass A Common Stock | −4.49K | $31.74 | −$142.6K | −2.6%167.9K after | |
| Feb 13, 2026 (view filing) | Feb 11 | 2 days | Cavanagh Michael JCo-CEO | SSaleClass A Common Stock | −57.9K | $32.66 | −$1.89M | −8.5%622.3K after | |
| Feb 4, 2026 (view filing) | Feb 3 | 1 day | Nakahara AsukaDirector | SSaleClass A Common Stock | −8.28K | $29.70 | −$245.8K | −12.5%58.0K after | |
| Nov 29, 2024 (view filing) | Nov 26-27 | 3 days | Roberts Brian LChairman of Board & CEO | SSaleClass A Common Stock | −469.5K | $42.73 | −$20.1M | −6.8%6.43M after | 2 lots |
| Nov 29, 2024 (view filing) | Nov 26 | 3 days | Cavanagh Michael JPresident | SSaleClass A Common Stock | −25.5K | $42.59 | −$1.09M | −4.6%534.8K after | |
| Nov 29, 2024 (view filing) | Nov 26 | 3 days | Cavanagh Michael JPresident | SSaleClass A Common Stock | −107.6K | $42.53 | −$4.58M | −19.2%452.6K after | |
| Nov 25, 2024 (view filing) | Nov 22 | 3 days | Bacon Kenneth JDirector | SSaleClass A Common Stock | −14.4K | $43.39 | −$625.2K | −30.6%32.7K after | |
| Nov 7, 2024 (view filing) | Nov 6 | 1 day | Armstrong JasonCFO | SSaleClass A Common Stock | −23.2K | $44.84 | −$1.04M | −22.5%80.3K after | 2 lots |
| Jan 30, 2024 (view filing) | Jan 29 | 1 day | Cavanagh Michael JPresident | SSaleClass A Common Stock | −114.7K | $46.10 | −$5.29M | −100.0%0 after | |
| Nov 22, 2023 (view filing) | Nov 20 | 2 days | Armstrong JasonCFO | SSaleClass A Common Stock | −41.7K | $42.63 | −$1.78M | −74.2%14.5K after | 2 lots |
Top 10 13F holders, Q2 2026
The largest institutional positions in Comcast Corp at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 313,212,228 | $7.69B | 0.11% | −1,773,537−0.6% | Reduced |
| Vanguard Capital Management LLC | 232,645,894 | $5.71B | 0.12% | −508,878−0.2% | Reduced |
| State Street Corp | 195,059,449 | $4.79B | 0.14% | +12,324,336+6.7% | Added |
| Charles Schwab Investment Management Inc | 133,095,082 | $3.27B | 0.43% | +11,536,428+9.5% | Added |
| Invesco Ltd. | 125,126,243 | $3.07B | 0.24% | +5,324,337+4.4% | Added |
| Capital Research Global Investors | 116,113,743 | $2.85B | 0.40% | +26,539,350+29.6% | Added |
| Dodge & Cox | 115,903,125 | $2.85B | 1.49% | +2,794,881+2.5% | Added |
| Capital World Investors | 104,629,299 | $2.57B | 0.30% | −77,512,480−42.6% | Reduced |
| Geode Capital Management, LLC | 89,530,463 | $2.19B | 0.12% | +1,420,454+1.6% | Added |
| Vanguard Portfolio Management LLC | 80,039,893 | $1.96B | 0.09% | +3,326,800+4.3% | Added |