Institutional Ownership
Vanguard Group Inc is the biggest individual institutional holder of Comcast Corp (CMCSA), owning a total of 369.4 million shares. Combined, the top 32 institutional holders of CMCSA own 66.59% of the company with a total of 2.5 billion shares.
In the latest ownership report on June 30th 2025, the top 32 institutional holders increased their combined ownership of CMCSA by 39 thousand shares. 9 institutions bought 47,526,071 total additional shares and increased their ownership by an average of 8.38%. However 11 institutions sold 47,487,187 total shares and decreased their ownership by an average of 4.07%.
Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Comcast Corp increased by a net total of 38,884 in the latest quarter.
Institution Ownership Chart
Latest Institutional Ownership Changes
| Owner | Percent Owned | Percent Change | Shares Owned | Share Change | Date Reported |
|---|---|---|---|---|---|
| Vanguard Group Inc | 10.006% | 0.342% | 369,438,921 | 1,257,196 | 2025-06-30 |
| BlackRock Inc | 8.180% | -2.538% | 302,038,690 | -7,864,081 | 2025-06-30 |
| State Street Corp | 4.679% | 2.511% | 172,769,800 | 4,231,140 | 2025-06-30 |
| Capital World Investors | 3.489% | -12.883% | 128,814,663 | -19,048,554 | 2025-06-30 |
| Dodge & Cox | 3.014% | 18.101% | 111,272,320 | 17,054,579 | 2025-06-30 |
| FMR Inc | 2.862% | -8.569% | 105,682,925 | -9,904,119 | 2025-06-30 |
| JPMorgan Chase & Co | 2.849% | 11.593% | 105,185,516 | 10,927,699 | 2025-06-30 |
| NORGES BANK | 2.678% | -3.258% | 98,861,342 | -3,329,588 | 2025-06-30 |
| Geode Capital Management, LLC | 2.355% | -0.344% | 86,965,748 | -300,570 | 2025-06-30 |
| Morgan Stanley - Brokerage Accounts | 1.299% | -2.075% | 47,975,485 | -1,016,415 | 2025-06-30 |
| Ameriprise Financial Inc | 1.188% | -5.038% | 43,864,565 | -2,326,969 | 2025-06-30 |
| Eagle Capital Management LLC | 1.152% | -0.546% | 42,538,864 | -233,551 | 2025-06-30 |
| Amvescap Plc. | 1.096% | -0.057% | 40,474,386 | -22,863 | 2025-06-30 |
| Northern Trust Corp | 1.054% | -3.684% | 38,920,017 | -1,488,830 | 2025-06-30 |
| Bank of America Corp | 1.035% | 4.754% | 38,219,228 | 1,734,616 | 2025-06-30 |
| UBS Asset Mgmt Americas Inc | 1.017% | 16.710% | 37,562,080 | 5,378,072 | 2025-06-30 |
| Charles Schwab Investment Management Inc | 0.979% | 7.486% | 36,154,170 | 2,517,906 | 2025-06-30 |
| Arnhold & S. Bleichroeder Advisers, LLC | 0.973% | 1.386% | 35,905,236 | 490,923 | 2025-06-30 |
| T. Rowe Price Associates, Inc. | 0.957% | 12.530% | 35,329,266 | 3,933,940 | 2025-06-30 |
| Dimensional Fund Advisors, Inc. | 0.857% | -5.808% | 31,649,732 | -1,951,647 | 2025-06-30 |
Top Institutions
| Owner | Percent Owned | Percent Change | Shares Owned | Share Change | Date Reported |
|---|---|---|---|---|---|
| Vanguard Group Inc | 10.006% | 0.342% | 369,438,921 | 1,257,196 | 2025-06-30 |
| BlackRock Inc | 8.180% | -2.538% | 302,038,690 | -7,864,081 | 2025-06-30 |
| State Street Corp | 4.679% | 2.511% | 172,769,800 | 4,231,140 | 2025-06-30 |
| State Street Corporation | 4.213% | 0.974% | 163,140,958 | 1,572,859 | 2024-03-31 |
| Capital World Investors | 3.489% | -12.883% | 128,814,663 | -19,048,554 | 2025-06-30 |
| Dodge & Cox | 3.014% | 18.101% | 111,272,320 | 17,054,579 | 2025-06-30 |
| FMR Inc | 2.862% | -8.569% | 105,682,925 | -9,904,119 | 2025-06-30 |
| JPMorgan Chase & Co | 2.849% | 11.593% | 105,185,516 | 10,927,699 | 2025-06-30 |
| NORGES BANK | 2.678% | -3.258% | 98,861,342 | -3,329,588 | 2025-06-30 |
| Geode Capital Management, LLC | 2.355% | -0.344% | 86,965,748 | -300,570 | 2025-06-30 |
| Goldman Sachs Group Inc | 1.249% | 133.658% | 48,995,262 | 28,026,483 | 2023-12-31 |
| Morgan Stanley - Brokerage Accounts | 1.299% | -2.075% | 47,975,485 | -1,016,415 | 2025-06-30 |
| Ameriprise Financial Inc | 1.188% | -5.038% | 43,864,565 | -2,326,969 | 2025-06-30 |
| Massachusetts Financial Services Company | 1.148% | -21.471% | 43,421,190 | -11,872,031 | 2024-09-30 |
| Eagle Capital Management LLC | 1.152% | -0.546% | 42,538,864 | -233,551 | 2025-06-30 |
| Capital Research & Mgmt Co - Division 3 | 1.092% | -10.700% | 40,759,706 | -4,883,745 | 2024-12-31 |
| Amvescap Plc. | 1.096% | -0.057% | 40,474,386 | -22,863 | 2025-06-30 |
| Wellington Management Company LLP | 0.972% | -11.607% | 39,124,774 | -5,137,749 | 2023-06-30 |
| Northern Trust Corp | 1.054% | -3.684% | 38,920,017 | -1,488,830 | 2025-06-30 |
| Bank of America Corp | 1.035% | 4.754% | 38,219,228 | 1,734,616 | 2025-06-30 |
| Capital Research Global Investors | 1.028% | 6.785% | 37,947,729 | 2,411,069 | 2025-03-31 |
| UBS Asset Mgmt Americas Inc | 1.017% | 16.710% | 37,562,080 | 5,378,072 | 2025-06-30 |
| Wells Fargo & Co | 0.973% | -7.236% | 36,314,334 | -2,832,859 | 2024-12-31 |
| Charles Schwab Investment Management Inc | 0.979% | 7.486% | 36,154,170 | 2,517,906 | 2025-06-30 |
| Arnhold & S. Bleichroeder Advisers, LLC | 0.973% | 1.386% | 35,905,236 | 490,923 | 2025-06-30 |
| Franklin Resources Inc | 0.865% | 38.444% | 35,674,385 | 9,906,353 | 2023-06-30 |
| T. Rowe Price Associates, Inc. | 0.957% | 12.530% | 35,329,266 | 3,933,940 | 2025-06-30 |
| ClearBridge Advisors, LLC | 0.866% | -6.447% | 34,836,454 | -2,400,835 | 2023-09-30 |
| AllianceBernstein L.P. | 0.804% | 6.048% | 34,740,019 | 1,981,222 | 2022-06-30 |
| Bank of New York Mellon Corp | 0.835% | -7.152% | 32,751,720 | -2,522,930 | 2024-03-31 |
| Legal & General Group PLC | 0.822% | -1.821% | 31,842,980 | -590,618 | 2024-03-31 |
| Dimensional Fund Advisors, Inc. | 0.857% | -5.808% | 31,649,732 | -1,951,647 | 2025-06-30 |
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