| SC 13G/A | 2008-01-10 | DODGE & COX | COMCAST CORP | 237,149,877 | 11.4% | EDGAR |
| SC 13G/A | 2007-02-13 | AXA FINANCIAL INC | COMCAST CORP | 68,614,136 | 8.1% | EDGAR |
| SC 13G/A | 2007-02-13 | DODGE & COX | COMCAST CORP | 108,948,527 | 8.0% | EDGAR |
| SC 13G | 2007-02-13 | MARSICO CAPITAL MANAGEMENT LLC | COMCAST CORP | 72,743,817 | 5.3% | EDGAR |
| SC 13G/A | 2007-02-06 | Clearbridge Advisors, LLC | COMCAST CORP | 39,058,034 | 5.6% | EDGAR |
| SC 13G | 2007-01-23 | BARCLAYS GLOBAL INVESTORS NA /CA/ | COMCAST CORP | 70,018,054 | 5.1% | EDGAR |
| SC 13G/A | 2007-01-11 | DAVIS SELECTED ADVISERS | COMCAST CORP | 61,491,654 | 8.7% | EDGAR |
| SC 13G/A | 2007-01-08 | SOUTHEASTERN ASSET MANAGEMENT INC/TN/ | COMCAST CORP | 27,438,958 | 3.9% | EDGAR |
| SC 13G/A | 2006-08-16 | COMCAST CORP | KNOT INC | 0 | 0.0% | EDGAR |
| SC 13G/A | 2006-02-14 | AXA FINANCIAL INC | COMCAST CORP | 43,207,834 | 5.1% | EDGAR |
| SC 13G/A | 2006-02-14 | DAVIS SELECTED ADVISERS | COMCAST CORP | 60,215,622 | 7.3% | EDGAR |
| SC 13G/A | 2006-02-14 | DAVIS SELECTED ADVISERS | COMCAST CORP | 60,215,622 | 7.3% | EDGAR |
| SC 13G | 2006-02-14 | CAM North America, LLC | COMCAST CORP | 28,455,782 | 3.6% | EDGAR |
| SC 13G | 2006-02-10 | SOUTHEASTERN ASSET MANAGEMENT INC/TN/ | COMCAST CORP | 40,480,097 | 5.1% | EDGAR |
| SC 13G/A | 2006-02-09 | COMCAST CORP | CABLEVISION SYSTEMS CORP /NY | 5,129,058 | 2.3% | EDGAR |
| SC 13G | 2006-02-09 | BARCLAYS PLC | COMCAST CORP | 760,713 | 0.0% | EDGAR |
| SC 13G/A | 2006-02-03 | DODGE & COX | COMCAST CORP | 102,042,397 | 7.5% | EDGAR |
| SC 13G | 2006-01-26 | BARCLAYS GLOBAL INVESTORS NA /CA/ | COMCAST CORP | 81,521,669 | 6.0% | EDGAR |
| SC 13D/A | 2005-04-14 | COMCAST CORP | LIBERATE TECHNOLOGIES | - | 0.5% | EDGAR |
| SC 13G/A | 2005-03-11 | DAVIS SELECTED ADVISERS | COMCAST CORP | 44,049,592 | 5.2% | EDGAR |