Review the latest institutional ownership data for CMCSA based on recent 13F filings. Holdings Channel tracks 2094 institutional holders of CMCSA across the most recent two holding periods in our 13F database.
The table below shows the top 50 institutional holders of CMCSA by reported position size, including share amounts, position values, and the filing period for each holder. Holder names link to each institution’s 13F portfolio page.
CMCSA institutional holders summary
- Security: CMCSA
- Institutional holders tracked: 2094
- Largest reported holder shown: Vanguard Group Inc.
- Table includes: holder name, share amount, position value, and filing period
- Source: recent institutional 13F filings
| Holder | Amount | Position Size ($ in 1000's) | As of |
|---|---|---|---|
 Vanguard Group Inc. | 369,311,219 | $11,038,712 | 12/31/2025 |
| CMCSA | 369,311,219 | $11,038,712 | 12/31/2025 |
| BlackRock Inc. | 314,985,765 | $9,043,241 | 03/31/2026 |
| CMCSA | 314,985,765 | $9,043,241 | 03/31/2026 |
| Vanguard Capital Management LLC | 233,154,772 | $6,693,874 | 03/31/2026 |
| CMCSA | 233,154,772 | $6,693,874 | 03/31/2026 |
| State Street Corp | 182,735,113 | $5,246,325 | 03/31/2026 |
| CMCSA | 182,735,113 | $5,246,325 | 03/31/2026 |
| Capital World Investors | 182,141,779 | $5,229,504 | 03/31/2026 |
| CMCSA | 182,141,779 | $5,229,504 | 03/31/2026 |
| Charles Schwab Investment Management Inc. | 121,558,654 | $3,491,379 | 03/31/2026 |
| CMCSA | 121,558,654 | $3,491,379 | 03/31/2026 |
| Dodge & Cox | 113,108,244 | $3,247,338 | 03/31/2026 |
| CMCSA | 113,108,244 | $3,247,338 | 03/31/2026 |
| Capital Research Global Investors | 89,574,393 | $2,571,690 | 03/31/2026 |
| CMCSA | 89,574,393 | $2,571,690 | 03/31/2026 |
| Geode Capital Management LLC | 88,110,009 | $2,520,843 | 03/31/2026 |
| CMCSA | 88,110,009 | $2,520,843 | 03/31/2026 |
| Vanguard Portfolio Management LLC | 76,713,093 | $2,202,433 | 03/31/2026 |
| CMCSA | 76,713,093 | $2,202,433 | 03/31/2026 |
 JPMorgan Chase & Co. | $1,827,510 | 03/31/2026 | |
| CMCSA | 63,236,690 | $1,827,540 | 03/31/2026 |
| Put | 1,040 | $30 | 03/31/2026 |
| FMR LLC | 60,591,077 | $1,739,570 | 03/31/2026 |
| CMCSA | 60,591,077 | $1,739,570 | 03/31/2026 |
| Invesco Ltd. | 44,489,802 | $1,277,302 | 03/31/2026 |
| CMCSA | 44,489,802 | $1,277,302 | 03/31/2026 |
| Morgan Stanley | 42,940,885 | $1,232,833 | 03/31/2026 |
| CMCSA | 42,940,885 | $1,232,833 | 03/31/2026 |
| Ameriprise Financial Inc. | 42,441,056 | $1,218,490 | 03/31/2026 |
| CMCSA | 42,441,056 | $1,218,490 | 03/31/2026 |
| Bank of America Corp DE | 40,864,921 | $1,173,232 | 03/31/2026 |
| CMCSA | 40,864,921 | $1,173,232 | 03/31/2026 |
| Goldman Sachs Group Inc. | $1,115,682 | 03/31/2026 | |
| CMCSA | 38,782,574 | $1,113,448 | 03/31/2026 |
| Call | 2,319,400 | $66,590 | 03/31/2026 |
| Put | 2,241,600 | $64,356 | 03/31/2026 |
| First Eagle Investment Management LLC | 37,780,637 | $1,084,682 | 03/31/2026 |
| CMCSA | 37,780,637 | $1,084,682 | 03/31/2026 |
| Eagle Capital Management LLC NY | 37,575,087 | $1,078,781 | 03/31/2026 |
| CMCSA | 37,575,087 | $1,078,781 | 03/31/2026 |
| Northern Trust Corp | 36,359,424 | $1,043,879 | 03/31/2026 |
| CMCSA | 36,359,424 | $1,043,879 | 03/31/2026 |
| Franklin Resources Inc. | 31,636,333 | $908,279 | 03/31/2026 |
| CMCSA | 31,636,333 | $908,279 | 03/31/2026 |
| UBS Asset Management Americas Inc. | 31,207,937 | $895,980 | 03/31/2026 |
| CMCSA | 31,207,937 | $895,980 | 03/31/2026 |
| Dimensional Fund Advisors LP | 29,461,308 | $845,919 | 03/31/2026 |
| CMCSA | 29,461,308 | $845,919 | 03/31/2026 |
| Bank of New York Mellon Corp | 27,245,876 | $782,229 | 03/31/2026 |
| CMCSA | 27,245,876 | $782,229 | 03/31/2026 |
| Hotchkis & Wiley Capital Management LLC | 26,799,751 | $769,421 | 03/31/2026 |
| CMCSA | 26,799,751 | $769,421 | 03/31/2026 |
| Harris Associates L P | 26,448,063 | $759,324 | 03/31/2026 |
| CMCSA | 26,448,063 | $759,324 | 03/31/2026 |
| Legal & General Group Plc | 24,372,610 | $699,738 | 03/31/2026 |
| CMCSA | 24,372,610 | $699,738 | 03/31/2026 |
| UBS Group AG | $659,775 | 03/31/2026 | |
| CMCSA | 23,208,137 | $666,306 | 03/31/2026 |
| Put | 400,100 | $11,487 | 03/31/2026 |
| Call | 172,614 | $4,956 | 03/31/2026 |
| Nuveen LLC | 20,821,363 | $597,781 | 03/31/2026 |
| CMCSA | 20,821,363 | $597,781 | 03/31/2026 |
| Vanguard Fiduciary Trust Co. | 20,200,373 | $579,953 | 03/31/2026 |
| CMCSA | 20,200,373 | $579,953 | 03/31/2026 |
| Long Focus Capital Management LLC | $549,102 | 03/31/2026 | |
| Call | 16,885,400 | $484,780 | 03/31/2026 |
| CMCSA | 2,240,416 | $64,322 | 03/31/2026 |
| Raymond James Financial Inc. | 17,008,857 | $488,379 | 03/31/2026 |
| CMCSA | 17,008,857 | $488,379 | 03/31/2026 |
| Clearbridge Investments LLC | 16,956,292 | $486,778 | 03/31/2026 |
| CMCSA | 16,956,292 | $486,778 | 03/31/2026 |
| Deutsche Bank AG | 15,061,322 | $432,411 | 03/31/2026 |
| CMCSA | 15,061,322 | $432,411 | 03/31/2026 |
| Capital International Investors | 14,060,861 | $403,691 | 03/31/2026 |
| CMCSA | 14,060,861 | $403,691 | 03/31/2026 |
| LSV Asset Management | 13,768,980 | $395,307 | 03/31/2026 |
| CMCSA | 13,768,980 | $395,307 | 03/31/2026 |
| First Trust Advisors LP | 13,592,149 | $390,231 | 03/31/2026 |
| CMCSA | 13,592,149 | $390,231 | 03/31/2026 |
| Amundi | 12,803,578 | $367,589 | 03/31/2026 |
| CMCSA | 12,803,578 | $367,589 | 03/31/2026 |
| Barclays PLC | 12,533,543 | $359,838 | 03/31/2026 |
| CMCSA | 12,533,543 | $359,838 | 03/31/2026 |
| Arrowstreet Capital Limited Partnership | 12,369,364 | $355,124 | 03/31/2026 |
| CMCSA | 12,369,364 | $355,124 | 03/31/2026 |
| AQR Capital Management LLC | 12,287,677 | $350,813 | 03/31/2026 |
| CMCSA | 12,287,677 | $350,813 | 03/31/2026 |
| Healthcare of Ontario Pension Plan Trust Fund | 11,616,490 | $333,509 | 03/31/2026 |
| CMCSA | 11,616,490 | $333,509 | 03/31/2026 |
| Rothschild & Co Wealth Management UK Ltd | 11,493,697 | $329,984 | 03/31/2026 |
| CMCSA | 11,493,697 | $329,984 | 03/31/2026 |
| Allianz Asset Management GmbH | $325,748 | 03/31/2026 | |
| CMCSA | 11,382,849 | $326,802 | 03/31/2026 |
| Put | 137,300 | $3,942 | 03/31/2026 |
| Call | 100,600 | $2,888 | 03/31/2026 |
| Sumitomo Mitsui Trust Holdings Inc. | 11,115,188 | $319,117 | 03/31/2026 |
| CMCSA | 11,115,188 | $319,117 | 03/31/2026 |
| Van ECK Associates Corp | 10,808,986 | $310,326 | 03/31/2026 |
| CMCSA | 10,808,986 | $310,326 | 03/31/2026 |
| Swiss National Bank | 10,666,200 | $306,227 | 03/31/2026 |
| CMCSA | 10,666,200 | $306,227 | 03/31/2026 |
| Massachusetts Financial Services Co. MA | 10,486,288 | $305,503 | 03/31/2026 |
| CMCSA | 10,486,288 | $305,503 | 03/31/2026 |
| Wells Fargo & Company MN | $305,039 | 03/31/2026 | |
| CMCSA | 11,267,965 | $323,503 | 03/31/2026 |
| Put | 1,243,000 | $35,687 | 03/31/2026 |
| Call | 599,900 | $17,223 | 03/31/2026 |
| National Pension Service | 10,358,164 | $297,383 | 03/31/2026 |
| CMCSA | 10,358,164 | $297,383 | 03/31/2026 |
