Comcast Corporation (CMCSA) Shareholders & Insider Trades
Comcast shareholders at a glance
The largest holder of Comcast stock is Vanguard Capital Management LLC, with 232.6 million shares (6.57% of the company), worth about $6.19 billion as of September 25, 2026. The 10 largest holders together own 40.1%.
In Q2 2026, 2,008 institutional holdings reports listed 3.32 billion shares worth $85.30 billion, up 5.4% in shares from Q1 2026.
Insiders reported 95 transactions in the last two years: 6 sales worth $28.63 million and no purchases. The newest one on file is from September 2, 2026 (Roberts Brian L, Chief Executive Officer).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through September 2, 2026.
Comcast Corporation
Shareholders Summary
2026Q2
Ownership by Type
Geographic Distribution
Largest Comcast shareholders
| Holder | Shares | % of company | Value |
|---|---|---|---|
| Vanguard Capital Management LLC | 232.6 million | 6.57% | $6.2B |
| BlackRock Advisors LLC | 226.4 million | 6.40% | $6.0B |
| State Street Corporation | 195.1 million | 5.51% | $5.2B |
| Charles Schwab Investment Management, Inc. | 133.1 million | 3.76% | $3.5B |
| Invesco Advisers, Inc. | 125.1 million | 3.54% | $3.3B |
| Capital Research & Management Co. (Global Investors) | 116.1 million | 3.28% | $3.1B |
| Dodge & Cox | 115.9 million | 3.27% | $3.1B |
| Capital Research & Management Co. (World Investors) | 104.6 million | 2.96% | $2.8B |
| Geode Capital Management LLC | 89.5 million | 2.53% | $2.4B |
| Vanguard Portfolio Management LLC | 80.0 million | 2.26% | $2.1B |
As of September 25, 2026.
Comcast institutional holdings by quarter
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 2,008 | 3.32 billion | $85.3B |
| Q1 2026 | 2,149 | 3.15 billion | $90.3B |
| Q4 2025 | 2,218 | 3.14 billion | $93.6B |
| Q3 2025 | 2,275 | 3.07 billion | $96.3B |
| Q2 2025 | 2,416 | 3.14 billion | $112.0B |
| Q1 2025 | 2,484 | 3.17 billion | $117.0B |
| Q4 2024 | 2,585 | 3.22 billion | $121.0B |
| Q3 2024 | 2,495 | 3.31 billion | $138.0B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
Comcast insider trades
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Roberts Brian L | Sep 2, 2026 | Chief Executive Officer | Stock Gift at price 0.00 per share. | – |
| Breen Edward D. | Aug 17, 2026 | Director | Stock Gift at price 0.00 per share. | – |
| Smith Gordon A | Jun 30, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Honickman Jeffrey A | Jun 30, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Brady Louise F | Jun 30, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Baltimore Thomas J Jr. | Jun 30, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Breen Edward D. | Jun 30, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Roberts Brian L | May 19, 2026 | Chief Executive Officer | Stock Gift at price 0.00 per share. | – |
| Murdock Daniel C | Apr 2, 2026 | Officer | -- | – |
| Smith Gordon A | Mar 31, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Brady Louise F | Mar 31, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Honickman Jeffrey A | Mar 31, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
Newest 12 of 95 insider transactions in the last two years.
Questions and answers
Who owns the most Comcast stock?
Vanguard Capital Management LLC, with 6.57% of the company (as of September 25, 2026). Next: BlackRock Advisors LLC (6.40%) and State Street Corporation (5.51%).
How many institutions own Comcast stock?
2,008 institutional holdings reports listed Comcast shares in Q2 2026, 3.32 billion shares in all worth $85.30 billion.
Are Comcast insiders buying or selling the stock?
In the last two years insiders reported 6 sales and no purchases (95 transactions in all); the newest on file is from September 2, 2026.
