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-Q2 13F filings (latest filed 2026-09-22). 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: 227 added or opened and 745 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, BlackRock, Inc., sizes it at 0.1% of its own reported 13F book, while the median holder sizes it at 0.1% 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 2026-Q1 and 2026-Q2, across 1793 tracked filers holding CMCSA, 782 increased or opened the position and 1245 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.
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 68
- CARRONADE CAPITAL MANAGEMENT, LP$204M
- Nykredit A/S$185M
- CAPITAL FUND MANAGEMENT S.A.$66M
- Schonfeld Strategic Advisors LLC$46M
- Junto Capital Management LP$41M
- Ilex Capital Partners (UK) LLP$39M
Full exits 159
- Pacer Advisors, Inc.$458M
- LSV ASSET MANAGEMENT$395M
- Amundi$368M
- SG Americas Securities, LLC$289M
- Beutel, Goodman & Co Ltd.$274M
- CANADA LIFE ASSURANCE Co$132M
Largest adds
- Invesco Ltd.$934M
- ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$929M
- Capital Research Global Investors$279M
- GOLDENTREE ASSET MANAGEMENT LP$129M
- TWO SIGMA INVESTMENTS, LP$119M
- Robeco Institutional Asset Management B.V.$107M
Largest trims
- Capital World Investors$2.7B
- NORGES BANK$2.2B
- EAGLE CAPITAL MANAGEMENT LLC$1.1B
- VANGUARD CAPITAL MANAGEMENT LLC$982M
- JPMORGAN CHASE & CO$932M
- BlackRock, Inc.$852M
Institutional holders
One row per tracked fund, most shares held first (every row is from one quarter; reported value breaks ties). “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding.
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| BlackRock, Inc. added | 313,212,228 | $7.7B | 11.7% | 2026-Q2 |
| VANGUARD CAPITAL MANAGEMENT LLC trimmed | 232,645,894 | $5.7B | 8.7% | 2026-Q2 |
| STATE STREET CORP added | 195,059,449 | $4.8B | 7.3% | 2026-Q2 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC added | 133,095,082 | $3.3B | 5.0% | 2026-Q2 |
| Invesco Ltd. added | 125,126,243 | $3.1B | 4.7% | 2026-Q2 |
| Capital Research Global Investors added | 116,113,743 | $2.9B | 4.3% | 2026-Q2 |
| DODGE & COX added | 115,903,125 | $2.8B | 4.3% | 2026-Q2 |
| Capital World Investors trimmed | 104,629,299 | $2.6B | 3.9% | 2026-Q2 |
| GEODE CAPITAL MANAGEMENT, LLC added | 89,530,463 | $2.2B | 3.3% | 2026-Q2 |
| VANGUARD PORTFOLIO MANAGEMENT LLC added | 80,039,893 | $2.0B | 3.0% | 2026-Q2 |
| NORGES BANK trimmed | 76,539,618 | $1.9B | 2.9% | 2026-Q2 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added | 52,306,272 | $1.3B | 2.0% | 2026-Q2 |
| FMR LLC trimmed | 50,806,417 | $1.2B | 1.9% | 2026-Q2 |
| MORGAN STANLEY added | 43,331,063 | $1.1B | 1.6% | 2026-Q2 |
| First Eagle Investment Management, LLC added | 38,172,985 | $937M | 1.4% | 2026-Q2 |
| JPMORGAN CHASE & CO trimmed | 36,976,352 | $896M | 1.4% | 2026-Q2 |
| GOLDMAN SACHS GROUP INC trimmed | 36,243,425 | $890M | 1.4% | 2026-Q2 |
| NORTHERN TRUST CORP trimmed | 36,051,354 | $885M | 1.3% | 2026-Q2 |
| BANK OF AMERICA CORP /DE/ trimmed | 32,321,749 | $793M | 1.2% | 2026-Q2 |
| AMERIPRISE FINANCIAL INC trimmed | 31,910,122 | $783M | 1.2% | 2026-Q2 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC added | 31,274,820 | $768M | 1.2% | 2026-Q2 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC added | 30,084,514 | $739M | 1.1% | 2026-Q2 |
| DIMENSIONAL FUND ADVISORS LP trimmed | 28,911,640 | $710M | 1.1% | 2026-Q2 |
| Bank of New York Mellon Corp added | 28,144,997 | $691M | 1.1% | 2026-Q2 |
| Legal & General Group Plc added | 25,165,069 | $618M | 0.9% | 2026-Q2 |
| VANGUARD FIDUCIARY TRUST CO trimmed | 20,002,649 | $491M | 0.7% | 2026-Q2 |
| Clearbridge Investments, LLC added | 17,220,924 | $423M | 0.6% | 2026-Q2 |
| UBS Group AG trimmed | 16,706,331 | $410M | 0.6% | 2026-Q2 |
| FIRST TRUST ADVISORS LP added | 16,537,957 | $406M | 0.6% | 2026-Q2 |
| Nuveen, LLC trimmed | 16,211,988 | $398M | 0.6% | 2026-Q2 |
| DEUTSCHE BANK AG\ added | 15,909,889 | $391M | 0.6% | 2026-Q2 |
| FRANKLIN RESOURCES INC trimmed | 15,059,820 | $370M | 0.6% | 2026-Q2 |
| GOLDENTREE ASSET MANAGEMENT LP added | 12,898,317 | $316M | 0.5% | 2026-Q2 |
| CANADA PENSION PLAN INVESTMENT BOARD added | 11,675,995 | $287M | 0.4% | 2026-Q2 |
| Rothschild & Co Wealth Management UK Ltd trimmed | 11,302,582 | $277M | 0.4% | 2026-Q2 |
| Allianz Asset Management GmbH trimmed | 11,258,580 | $316M | 0.5% | 2026-Q2 |
| Sumitomo Mitsui Trust Group, Inc. trimmed | 10,746,838 | $264M | 0.4% | 2026-Q2 |
| National Pension Service added | 10,585,616 | $260M | 0.4% | 2026-Q2 |
| VICTORY CAPITAL MANAGEMENT INC added | 10,314,428 | $253M | 0.4% | 2026-Q2 |
| Swiss National Bank trimmed | 10,120,900 | $248M | 0.4% | 2026-Q2 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ trimmed | 9,967,520 | $249M | 0.4% | 2026-Q2 |
| HSBC HOLDINGS PLC added | 9,864,982 | $242M | 0.4% | 2026-Q2 |
| ROYAL BANK OF CANADA added | 9,860,614 | $242M | 0.4% | 2026-Q2 |
| BNP PARIBAS FINANCIAL MARKETS added | 9,700,729 | $238M | 0.4% | 2026-Q2 |
| BARCLAYS PLC trimmed | 9,558,539 | $235M | 0.4% | 2026-Q2 |
| WELLS FARGO & COMPANY/MN trimmed | 9,457,049 | $232M | 0.4% | 2026-Q2 |
| CITIGROUP INC added | 9,418,467 | $231M | 0.4% | 2026-Q2 |
| Metropolis Capital Ltd added | 9,316,949 | $267M | 0.4% | 2026-Q2 |
| JUPITER ASSET MANAGEMENT LTD added | 9,148,894 | $225M | 0.3% | 2026-Q2 |
| Mitsubishi UFJ Asset Management Co., Ltd. added | 9,032,892 | $222M | 0.3% | 2026-Q2 |
| First Pacific Advisors, LP added | 8,676,664 | $213M | 0.3% | 2026-Q2 |
| California Public Employees Retirement System trimmed | 8,495,670 | $209M | 0.3% | 2026-Q2 |
| CARRONADE CAPITAL MANAGEMENT, LP new | 8,299,000 | $204M | 0.3% | 2026-Q2 |
| VANGUARD ASSET MANAGEMENT, Ltd added | 8,091,758 | $199M | 0.3% | 2026-Q2 |
| VAN ECK ASSOCIATES CORP trimmed | 8,060,300 | $198M | 0.3% | 2026-Q2 |
| Wilmington Savings Fund Society, FSB added | 8,048,570 | $198M | 0.3% | 2026-Q2 |
| Vanguard Global Advisers, LLC trimmed | 8,018,745 | $197M | 0.3% | 2026-Q2 |
| BANK OF MONTREAL /CAN/ added | 7,995,758 | $196M | 0.3% | 2026-Q2 |
| RAYMOND JAMES FINANCIAL INC trimmed | 7,950,376 | $195M | 0.3% | 2026-Q2 |
| Nykredit A/S new | 7,545,279 | $185M | 0.3% | 2026-Q2 |
| AQR CAPITAL MANAGEMENT LLC trimmed | 7,350,709 | $179M | 0.3% | 2026-Q2 |
| Man Group plc added | 7,300,157 | $179M | 0.3% | 2026-Q2 |
| Russell Investments Group, Ltd. added | 7,219,348 | $177M | 0.3% | 2026-Q2 |
| HARRIS ASSOCIATES L P trimmed | 7,173,464 | $176M | 0.3% | 2026-Q2 |
| Robeco Institutional Asset Management B.V. added | 7,170,251 | $176M | 0.3% | 2026-Q2 |
| RWC Asset Management LLP added | 6,646,575 | $163M | 0.2% | 2026-Q2 |
| RHUMBLINE ADVISERS trimmed | 6,363,634 | $156M | 0.2% | 2026-Q2 |
| AMERICAN CENTURY COMPANIES INC added | 6,227,549 | $153M | 0.2% | 2026-Q2 |
| ENVESTNET ASSET MANAGEMENT INC trimmed | 5,988,510 | $147M | 0.2% | 2026-Q2 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM trimmed | 5,687,667 | $140M | 0.2% | 2026-Q2 |
| BRANDES INVESTMENT PARTNERS, LP trimmed | 5,626,422 | $138M | 0.2% | 2026-Q2 |
| NATIONAL BANK OF CANADA /FI/ trimmed | 5,517,607 | $135M | 0.2% | 2026-Q2 |
| Mirae Asset Global Investments Co., Ltd. added | 5,499,710 | $135M | 0.2% | 2026-Q2 |
| PRUDENTIAL FINANCIAL INC added | 5,446,626 | $134M | 0.2% | 2026-Q2 |
| Cullen Capital Management, LLC trimmed | 5,287,200 | $130M | 0.2% | 2026-Q2 |
| 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 |
| Caisse de depot et placement du Quebec added | 5,019,259 | $123M | 0.2% | 2026-Q2 |
| SEI INVESTMENTS CO trimmed | 4,911,488 | $121M | 0.2% | 2026-Q2 |
| TWO SIGMA INVESTMENTS, LP added | 4,899,902 | $120M | 0.2% | 2026-Q2 |
| MACKENZIE FINANCIAL CORP added | 4,885,828 | $120M | 0.2% | 2026-Q2 |
| DAVENPORT & Co LLC trimmed | 4,755,085 | $116M | 0.2% | 2026-Q2 |
| Capital International Investors trimmed | 4,676,352 | $115M | 0.2% | 2026-Q2 |
| Universal- Beteiligungs- und Servicegesellschaft mbH added | 4,481,614 | $111M | 0.2% | 2026-Q2 |
| STIFEL FINANCIAL CORP added | 4,359,024 | $107M | 0.2% | 2026-Q2 |
| FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ added | 4,329,783 | $106M | 0.2% | 2026-Q2 |
| ALLIANCEBERNSTEIN L.P. trimmed | 4,324,815 | $124M | 0.2% | 2026-Q2 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP added | 4,263,280 | $105M | 0.2% | 2026-Q2 |
| CAPTRUST FINANCIAL ADVISORS added | 4,252,032 | $104M | 0.2% | 2026-Q2 |
| PRINCIPAL FINANCIAL GROUP INC trimmed | 4,195,156 | $103M | 0.2% | 2026-Q2 |
| LPL Financial LLC trimmed | 4,188,446 | $103M | 0.2% | 2026-Q2 |
| ASSETMARK, INC added | 4,121,278 | $101M | 0.2% | 2026-Q2 |
| ProShare Advisors LLC trimmed | 3,936,040 | $97M | 0.1% | 2026-Q2 |
| NEW YORK STATE COMMON RETIREMENT FUND trimmed | 3,830,375 | $94M | 0.1% | 2026-Q2 |
| Long Focus Capital Management, LLC added | 3,785,000 | $93M | 0.1% | 2026-Q2 |
| SCHRODER INVESTMENT MANAGEMENT GROUP added | 3,570,480 | $88M | 0.1% | 2026-Q2 |
| NATIXIS trimmed | 3,532,103 | $87M | 0.1% | 2026-Q2 |
| LETKO, BROSSEAU & ASSOCIATES INC added | 3,460,961 | $85M | 0.1% | 2026-Q2 |
| Empower Advisory Group, LLC added | 3,436,733 | $84M | 0.1% | 2026-Q2 |
| Mitsubishi UFJ Trust & Banking Corp added | 3,424,953 | $84M | 0.1% | 2026-Q2 |
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.