Who owns Comcast (CMCSA)
Which tracked institutional funds hold CMCSA, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See CMCSA company fundamentals →
Ownership as of the 2026-Q1 13F filings (latest filed 2026-05-18). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
The tracked-fund tape on CMCSA is one-sided between 2026-Q1 and 2026-Q2: 12 added or opened and 1162 trimmed or exited — on balance reducing.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
CMCSA’s largest tracked holder by dollar value, VANGUARD GROUP INC, sizes it at 0.2% of its own reported 13F book, while the median holder sizes it at 0.2% of theirs — a 0.0pp gap the other way — the median holder sizes CMCSA more heavily than its largest holder by dollar value does.
Book-share is each fund’s reported value in CMCSA divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2025-Q4 and 2026-Q1, across 2032 tracked filers holding CMCSA, 1057 increased or opened the position and 997 reduced or closed it; over the same quarter, open-market insider Form 4 buying and selling roughly offset.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in CMCSA between the 2026-Q1 and 2026-Q2 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 1
- Schonfeld Strategic Advisors LLC$46M
Full exits 1146
- VANGUARD CAPITAL MANAGEMENT LLC$6.7B
- CHARLES SCHWAB INVESTMENT MANAGEMENT INC$3.5B
- GEODE CAPITAL MANAGEMENT, LLC$2.5B
- VANGUARD PORTFOLIO MANAGEMENT LLC$2.2B
- JPMORGAN CHASE & CO$1.8B
- MORGAN STANLEY$1.2B
Largest adds
- Invesco Ltd.$934M
- Capital Research Global Investors$279M
- TWO SIGMA INVESTMENTS, LP$119M
- CITADEL ADVISORS LLC$74M
- Point72 Asset Management, L.P.$66M
- BALYASNY ASSET MANAGEMENT L.P.$39M
Largest trims
- Capital World Investors$2.7B
- NORGES BANK$2.2B
- BlackRock, Inc.$852M
- FMR LLC$487M
- STATE STREET CORP$458M
- DODGE & COX$402M
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| BlackRock, Inc. added | 313,212,228 | $7.7B | 9.0% | 2026-Q2 |
| VANGUARD CAPITAL MANAGEMENT LLC new | 233,154,772 | $6.7B | 7.8% | 2026-Q1 |
| STATE STREET CORP added | 195,059,449 | $4.8B | 5.6% | 2026-Q2 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC added | 121,558,654 | $3.5B | 4.1% | 2026-Q1 |
| Invesco Ltd. added | 125,126,243 | $3.1B | 3.6% | 2026-Q2 |
| Capital Research Global Investors added | 116,113,743 | $2.9B | 3.3% | 2026-Q2 |
| DODGE & COX added | 115,903,125 | $2.8B | 3.3% | 2026-Q2 |
| Capital World Investors trimmed | 104,629,299 | $2.6B | 3.0% | 2026-Q2 |
| GEODE CAPITAL MANAGEMENT, LLC trimmed | 88,110,009 | $2.5B | 2.9% | 2026-Q1 |
| VANGUARD PORTFOLIO MANAGEMENT LLC new | 76,713,093 | $2.2B | 2.6% | 2026-Q1 |
| NORGES BANK trimmed | 76,539,618 | $1.9B | 2.2% | 2026-Q2 |
| JPMORGAN CHASE & CO trimmed | 63,236,690 | $1.8B | 2.1% | 2026-Q1 |
| FMR LLC trimmed | 50,806,417 | $1.2B | 1.5% | 2026-Q2 |
| MORGAN STANLEY added | 42,940,885 | $1.2B | 1.4% | 2026-Q1 |
| AMERIPRISE FINANCIAL INC added | 42,441,056 | $1.2B | 1.4% | 2026-Q1 |
| BANK OF AMERICA CORP /DE/ added | 40,864,921 | $1.2B | 1.4% | 2026-Q1 |
| GOLDMAN SACHS GROUP INC trimmed | 38,782,574 | $1.1B | 1.3% | 2026-Q1 |
| EAGLE CAPITAL MANAGEMENT LLC trimmed | 37,575,087 | $1.1B | 1.3% | 2026-Q1 |
| NORTHERN TRUST CORP added | 36,359,424 | $1.0B | 1.2% | 2026-Q1 |
| First Eagle Investment Management, LLC added | 38,172,985 | $937M | 1.1% | 2026-Q2 |
| FRANKLIN RESOURCES INC added | 31,636,333 | $908M | 1.1% | 2026-Q1 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC added | 31,207,937 | $896M | 1.0% | 2026-Q1 |
| DIMENSIONAL FUND ADVISORS LP added | 29,461,308 | $846M | 1.0% | 2026-Q1 |
| Bank of New York Mellon Corp trimmed | 27,245,876 | $782M | 0.9% | 2026-Q1 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC trimmed | 26,799,751 | $769M | 0.9% | 2026-Q1 |
| HARRIS ASSOCIATES L P trimmed | 26,448,063 | $759M | 0.9% | 2026-Q1 |
| Legal & General Group Plc added | 24,372,610 | $700M | 0.8% | 2026-Q1 |
| UBS Group AG added | 23,208,137 | $666M | 0.8% | 2026-Q1 |
| Nuveen, LLC added | 20,821,363 | $598M | 0.7% | 2026-Q1 |
| VANGUARD FIDUCIARY TRUST CO new | 20,200,373 | $580M | 0.7% | 2026-Q1 |
| RAYMOND JAMES FINANCIAL INC added | 17,008,857 | $488M | 0.6% | 2026-Q1 |
| Clearbridge Investments, LLC trimmed | 16,956,292 | $487M | 0.6% | 2026-Q1 |
| Pacer Advisors, Inc. added | 16,030,280 | $458M | 0.5% | 2026-Q1 |
| DEUTSCHE BANK AG\ added | 15,061,322 | $432M | 0.5% | 2026-Q1 |
| LSV ASSET MANAGEMENT trimmed | 13,768,980 | $395M | 0.5% | 2026-Q1 |
| FIRST TRUST ADVISORS LP added | 13,592,149 | $390M | 0.5% | 2026-Q1 |
| Amundi trimmed | 12,803,578 | $368M | 0.4% | 2026-Q1 |
| BARCLAYS PLC trimmed | 12,533,543 | $360M | 0.4% | 2026-Q1 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP trimmed | 12,369,364 | $355M | 0.4% | 2026-Q1 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND added | 11,616,490 | $334M | 0.4% | 2026-Q1 |
| Rothschild & Co Wealth Management UK Ltd added | 11,493,697 | $330M | 0.4% | 2026-Q1 |
| Allianz Asset Management GmbH trimmed | 11,382,849 | $327M | 0.4% | 2026-Q1 |
| WELLS FARGO & COMPANY/MN added | 11,267,965 | $324M | 0.4% | 2026-Q1 |
| Sumitomo Mitsui Trust Group, Inc. trimmed | 11,115,188 | $319M | 0.4% | 2026-Q1 |
| VAN ECK ASSOCIATES CORP added | 10,808,986 | $310M | 0.4% | 2026-Q1 |
| Swiss National Bank added | 10,666,200 | $306M | 0.4% | 2026-Q1 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ trimmed | 10,486,288 | $306M | 0.4% | 2026-Q1 |
| National Pension Service added | 10,358,164 | $297M | 0.3% | 2026-Q1 |
| SG Americas Securities, LLC added | 10,074,374 | $289M | 0.3% | 2026-Q1 |
| VICTORY CAPITAL MANAGEMENT INC added | 9,539,298 | $274M | 0.3% | 2026-Q1 |
| Beutel, Goodman & Co Ltd. trimmed | 9,535,358 | $274M | 0.3% | 2026-Q1 |
| California Public Employees Retirement System added | 9,351,906 | $268M | 0.3% | 2026-Q1 |
| BNP PARIBAS FINANCIAL MARKETS trimmed | 8,850,691 | $254M | 0.3% | 2026-Q1 |
| First Pacific Advisors, LP added | 8,592,563 | $247M | 0.3% | 2026-Q1 |
| Mitsubishi UFJ Asset Management Co., Ltd. added | 8,472,143 | $243M | 0.3% | 2026-Q1 |
| Vanguard Global Advisers, LLC new | 8,357,042 | $240M | 0.3% | 2026-Q1 |
| CANADA PENSION PLAN INVESTMENT BOARD trimmed | 8,179,075 | $235M | 0.3% | 2026-Q1 |
| HSBC HOLDINGS PLC trimmed | 8,120,176 | $233M | 0.3% | 2026-Q1 |
| ROYAL BANK OF CANADA trimmed | 8,069,749 | $232M | 0.3% | 2026-Q1 |
| Wilmington Savings Fund Society, FSB trimmed | 7,959,300 | $229M | 0.3% | 2026-Q1 |
| Metropolis Capital Ltd trimmed | 7,589,923 | $218M | 0.3% | 2026-Q1 |
| VANGUARD ASSET MANAGEMENT, Ltd new | 7,269,645 | $209M | 0.2% | 2026-Q1 |
| Cullen Capital Management, LLC added | 7,149,769 | $205M | 0.2% | 2026-Q1 |
| BANK OF MONTREAL /CAN/ trimmed | 7,104,177 | $204M | 0.2% | 2026-Q1 |
| RHUMBLINE ADVISERS trimmed | 6,649,988 | $191M | 0.2% | 2026-Q1 |
| GOLDENTREE ASSET MANAGEMENT LP trimmed | 6,521,409 | $187M | 0.2% | 2026-Q1 |
| JUPITER ASSET MANAGEMENT LTD added | 6,444,511 | $185M | 0.2% | 2026-Q1 |
| BRANDES INVESTMENT PARTNERS, LP added | 6,429,738 | $185M | 0.2% | 2026-Q1 |
| ENVESTNET ASSET MANAGEMENT INC added | 6,336,285 | $182M | 0.2% | 2026-Q1 |
| AQR CAPITAL MANAGEMENT LLC trimmed | 7,350,709 | $179M | 0.2% | 2026-Q2 |
| RWC Asset Management LLP new | 6,057,552 | $174M | 0.2% | 2026-Q1 |
| NATIONAL BANK OF CANADA /FI/ trimmed | 5,963,642 | $171M | 0.2% | 2026-Q1 |
| SEI INVESTMENTS CO added | 5,869,043 | $168M | 0.2% | 2026-Q1 |
| Russell Investments Group, Ltd. trimmed | 5,854,585 | $168M | 0.2% | 2026-Q1 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM trimmed | 5,848,369 | $168M | 0.2% | 2026-Q1 |
| CITIGROUP INC trimmed | 5,759,414 | $165M | 0.2% | 2026-Q1 |
| DAVENPORT & Co LLC added | 5,486,348 | $158M | 0.2% | 2026-Q1 |
| NEW YORK STATE COMMON RETIREMENT FUND added | 5,483,702 | $157M | 0.2% | 2026-Q1 |
| ALLIANCEBERNSTEIN L.P. trimmed | 5,009,519 | $150M | 0.2% | 2026-Q1 |
| ProShare Advisors LLC trimmed | 5,080,239 | $146M | 0.2% | 2026-Q1 |
| PRINCIPAL FINANCIAL GROUP INC added | 4,883,203 | $140M | 0.2% | 2026-Q1 |
| Tidal Investments LLC added | 4,739,358 | $137M | 0.2% | 2026-Q1 |
| Mirae Asset Global Investments Co., Ltd. added | 4,709,717 | $135M | 0.2% | 2026-Q1 |
| CANADA LIFE ASSURANCE Co added | 4,576,114 | $132M | 0.2% | 2026-Q1 |
| PRUDENTIAL FINANCIAL INC trimmed | 4,552,226 | $131M | 0.2% | 2026-Q1 |
| PRICE T ROWE ASSOCIATES INC /MD/ trimmed | 5,249,306 | $129M | 0.2% | 2026-Q2 |
| CITADEL ADVISORS LLC added | 5,247,259 | $129M | 0.2% | 2026-Q2 |
| Artisan Partners Limited Partnership added | 4,475,806 | $129M | 0.1% | 2026-Q1 |
| Universal- Beteiligungs- und Servicegesellschaft mbH added | 4,364,823 | $126M | 0.1% | 2026-Q1 |
| Apollo Management Holdings, L.P. added | 4,335,672 | $124M | 0.1% | 2026-Q1 |
| LPL Financial LLC added | 4,220,676 | $121M | 0.1% | 2026-Q1 |
| TWO SIGMA INVESTMENTS, LP added | 4,899,902 | $120M | 0.1% | 2026-Q2 |
| CAPTRUST FINANCIAL ADVISORS trimmed | 4,178,442 | $120M | 0.1% | 2026-Q1 |
| FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ added | 4,111,230 | $118M | 0.1% | 2026-Q1 |
| AustralianSuper Pty Ltd trimmed | 4,079,154 | $117M | 0.1% | 2026-Q1 |
| VANGUARD GROUP INC added | 369,311,219 | $11.0B | 12.9% | 2025-Q4 stale |
| Brandywine Global Investment Management, LLC trimmed | 6,975,368 | $208M | 0.2% | 2025-Q4 stale |
| MEDIATEL PARTNERS | 5,823,000 | $208M | 0.2% | 2025-Q2 stale |
| Voyager Global Management LP added | 6,000,000 | $189M | 0.2% | 2025-Q3 stale |
| Qube Research & Technologies Ltd added | 4,837,493 | $152M | 0.2% | 2025-Q3 stale |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.