Stocks › CMCSA
COMCAST CORP
CMCSA·Nasdaq·
United States·USD
United States·USD$20.94
-0.62 (-2.88%)
Close · Oct 7, 2026 · Close Prices from Tiingo.com
CMCSA
COMCAST CORP · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
CMCSAS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
Loading price history…
Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of CMCSA by members of U.S. Congress · 511 on record · 30 in the last 12 months
Whale Activity
Position changes in CMCSA reported for 2026-06-30 by 33 tracked institutional filers
- Increased4
- New1
- Held0
- Decreased4
- Closed1
- No prior filing23
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 313.2M | $7.69B | decreased |
| VANGUARD CAPITAL MANAGEMENT LLC | 232.6M | $5.71B | decreased |
| DODGE & COX | 115.9M | $2.85B | — |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 80.0M | $1.96B | increased |
| First Eagle Investment Management, LLC | 38.2M | $937.1M | — |
| Nykredit A/S | 5.6M | $137.5M | — |
| Cullen Capital Management, LLC | 5.3M | $129.8M | — |
| CITADEL ADVISORS LLC | 5.2M | $128.8M | increased |
| TWO SIGMA INVESTMENTS, LP | 4.9M | $120.3M | new |
| CAPITAL FUND MANAGEMENT S.A. | 2.7M | $66.2M | — |
| Point72 Asset Management, L.P. | 2.7M | $65.8M | increased |
| MILLENNIUM MANAGEMENT LLC | 1.9M | $46.7M | increased |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by CMCSA insiders, by quarter · Form 4
Recent Insider Transactions
3,788 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| ROBERTS BRIAN LChairman of Board & Co-CEO · Director | Gift | −202.5K | $0.00 | $0 | May 19, 2026 | Form 4 ↗ |
| BREEN EDWARD DDirector | Gift | +32.4K | $0.00 | $0 | May 11, 2026 | Form 4 ↗ |
| Murdock Daniel C.EVP & Chief Accounting Officer | Tax withholding | −2,073 | $27.93 | $58K | Apr 3, 2026 | Form 4 ↗ |
| Murdock Daniel C.EVP & Chief Accounting Officer | Option exercise | +5,268 | $0.00 | $0 | Apr 3, 2026 | Form 4 ↗ |
| Smith GordonDirector | Grant / award | +1,176 | $0.00 | $0 | Mar 31, 2026 | Form 4 ↗ |
| Honickman Jeffrey ADirector | Grant / award | +1,524 | $0.00 | $0 | Mar 31, 2026 | Form 4 ↗ |
| BREEN EDWARD DDirector | Grant / award | +697 | $0.00 | $0 | Mar 31, 2026 | Form 4 ↗ |
| Brady Louise F.Director | Grant / award | +1,176 | $0.00 | $0 | Mar 31, 2026 | Form 4 ↗ |
| Baltimore Thomas J JrDirector | Grant / award | +1,176 | $0.00 | $0 | Mar 31, 2026 | Form 4 ↗ |
| Khoury JenniferChief Communications Officer | Tax withholding | −10.5K | $30.08 | $316K | Mar 17, 2026 | Form 4 ↗ |
| Khoury JenniferChief Communications Officer | Option exercise | +10.9K | $28.38 | $308K | Mar 17, 2026 | Form 4 ↗ |
| BREEN EDWARD DDirector | Gift | +30.0K | $0.00 | $0 | Mar 17, 2026 | Form 4 ↗ |
| Armstrong JasonCFO | Tax withholding | −69.0K | $31.75 | $2.2M | Mar 5, 2026 | Form 4 ↗ |
| Armstrong JasonCFO | Sale | −4,494 | $31.74 | $143K | Mar 5, 2026 | Form 4 ↗ |
| Armstrong JasonCFO | Option exercise | +73.5K | $28.38 | $2.1M | Mar 5, 2026 | Form 4 ↗ |
| ROBERTS BRIAN LChairman of Board & Co-CEO · Director | Tax withholding | −45.6K | $30.96 | $1.4M | Mar 1, 2026 | Form 4 ↗ |
| ROBERTS BRIAN LChairman of Board & Co-CEO · Director | Option exercise | +45.6K | $0.00 | $0 | Mar 1, 2026 | Form 4 ↗ |
| Cavanagh Michael JCo-CEO · Director | Tax withholding | −35.0K | $30.96 | $1.1M | Mar 1, 2026 | Form 4 ↗ |
| Cavanagh Michael JCo-CEO · Director | Option exercise | +35.0K | $0.00 | $0 | Mar 1, 2026 | Form 4 ↗ |
| Khoury JenniferChief Communications Officer | Tax withholding | −2,873 | $30.96 | $89K | Mar 1, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding CMCSA · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 113.1M | $2.78B | 0.12% | Jun 30, 2026 |
| VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS | 92.3M | $2.27B | 0.14% | Jun 30, 2026 |
| Schwab U.S. Dividend Equity ETF SCHWAB STRATEGIC TRUST | 85.7M | $2.13B | 2.25% | May 31, 2026 |
| Invesco QQQ Trust, Series 1 | 75.6M | $1.86B | 0.38% | Jun 30, 2026 |
| Dodge & Cox Stock Fund Dodge & Cox Funds | 75.4M | $1.85B | 1.56% | Jun 30, 2026 |
| Investment Co of America | 51.2M | $1.26B | 0.68% | Jun 30, 2026 |
| iShares Core S&P 500 ETF iShares Trust | 49.0M | $1.20B | 0.14% | Jun 30, 2026 |
| Fidelity 500 Index Fund Fidelity Concord Street Trust | 45.9M | $1.14B | 0.14% | May 31, 2026 |
| Washington Mutual Investors Fund | 45.9M | $1.10B | 0.50% | Jul 31, 2026 |
| State Street(R) SPDR(R) S&P 500(R) ETF Trust | 43.2M | $1.06B | 0.14% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list CMCSA's shares (CUSIP 20030N101), each fund at its latest report since Mar 8, 2026, largest positions first. Bonds, options and short positions are left out.
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming comcast as client
- D&P CREATIVE STRATEGIES, LLCCOMCAST CORPORATION · 2026 Q3 · TEC, CSP$20K
Filing ↗ - HARBINGER STRATEGIES, LLCCOMCAST CORPORATION · 2026 Q2 · DEF, TAX, ART$30K
Filing ↗ - NVG, LLCCOMCAST CORPORATION · 2026 Q2 · CPT, COM, MIA$30K
Filing ↗ - MILLER STRATEGIES, LLCCOMCAST CORPORATION · 2026 Q2 · CPT, TEC$30K
Filing ↗ - KING & SPALDING LLPCOMCAST CORPORATION · 2026 Q2 · COM$20K
Filing ↗
Government Contracts
Federal awards to COMCAST CORP · USAspending
No federal contract awards found for COMCAST CORP.
U.S. Patents
Recent USPTO applications naming COMCAST CORP
No USPTO patent applications found for COMCAST CORP.
Annual Financials
From CMCSA's 10-K filings · XBRL
No annual XBRL figures on record for CMCSA. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 2-for-1Stock splitFeb 21, 2017
- 3-for-2Stock splitFeb 22, 2007
- 3-for-2Stock splitFeb 3, 1994
- 3-for-2Stock splitOct 25, 1989
Split dates and ratios from the price history · Close Prices from Tiingo.com
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 2.02, 9.01Results of operationsJul 23, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsJun 29, 2026
EDGAR ↗ - 8-K · Items 5.07Shareholder voteJun 12, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsJun 3, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsJun 2, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsMay 27, 2026
EDGAR ↗
About COMCAST CORP
From SEC EDGAR company records
Industry (SIC 4841)Cable & Other Pay Television Services
SectorCommunication
HeadquartersPHILADELPHIA, PA
IncorporatedPA
SEC CIK0001166691 ↗
Former namesAT&T COMCAST CORP