Whale Analyzer
CMCSA Institutional Holders and 13F Ownership
Compare 18 tracked holders of CMCSA, their reported positions and disclosed changes. Coverage is limited to the investors tracked by Whale Analyzer; these records do not establish all shareholders or current trades. Available original SEC filings for tracked 13F holders are linked below. Top tracked holders include Capital Research Global Investors, Dodge & Cox, First Eagle Investment Management, and National Pension Service.
Continue to the live CMCSA dashboardTop holders
| Investor | Reported value | Shares | Change | Report date |
|---|---|---|---|---|
| Capital Research Global Investors 13F holdings | $2.85B | 116.1M | Increased | 2026-06-30 |
| Dodge & Cox 13F holdings | $2.85B | 115.9M | Increased | 2026-06-30 |
| First Eagle Investment Management 13F holdings | $937.1M | 38.2M | Increased | 2026-06-30 |
| National Pension Service 13F holdings | $259.9M | 10.6M | Increased | 2026-06-30 |
| First Pacific Advisors 13F holdings | $213.0M | 8.7M | Increased | 2026-06-30 |
| Oakmark Funds 13F holdings | $176.1M | 7.2M | Reduced | 2026-06-30 |
| Gardner Russo & Quinn 13F holdings | $53.9M | 2.2M | Reduced | 2026-06-30 |
| Greenlight Capital 13F holdings | $33.0M | 1.3M | New | 2026-06-30 |
| Yacktman Asset Management 13F holdings | $25.5M | 1.2M | Held | 2026-09-30 |
| Bridgewater Associates 13F holdings | $22.6M | 920.4K | Reduced | 2026-06-30 |
| Matrix Asset Advisors 13F holdings | $22.1M | 1.0M | Increased | 2026-09-30 |
| Torray Funds 13F holdings | $18.6M | 853.5K | Reduced | 2026-09-30 |
Original SEC filing sources
These recorded filings support the tracked 13F rows included in the aggregate reported values on this page. See each holder profile for source coverage and context for other disclosure types.
- Capital Research Global Investors SEC filing (0001422848-26-000094) · report date 2026-06-30
- Dodge & Cox SEC filing (0001193125-26-349535) · report date 2026-06-30
- First Eagle Investment Management SEC filing (0001325447-26-000033) · report date 2026-06-30
- National Pension Service SEC filing (0001193125-26-347818) · report date 2026-06-30
- First Pacific Advisors SEC filing (0001377581-26-000007) · report date 2026-06-30
- Oakmark Funds SEC filing (0000813917-26-000042) · report date 2026-06-30
- Gardner Russo & Quinn SEC filing (0000860643-26-000005) · report date 2026-06-30
- Greenlight Capital SEC filing (0001172661-26-003786) · report date 2026-06-30
- Yacktman Asset Management SEC filing (0000905567-26-000005) · report date 2026-09-30
- Bridgewater Associates SEC filing (0001350694-26-000003) · report date 2026-06-30
- Matrix Asset Advisors SEC filing (0001172661-26-004502) · report date 2026-09-30
- Torray Funds SEC filing (0001193125-26-439683) · report date 2026-09-30
- Markel Group SEC filing (0001096343-26-000085) · report date 2026-09-30
- Hillman Capital Management SEC filing (0001398344-26-014467) · report date 2026-06-30
- Weitz Investment Management SEC filing (0001821268-26-000133) · report date 2026-06-30
- PRIMECAP Management Company SEC filing (0000763212-26-000028) · report date 2026-06-30
- Tweedy Browne SEC filing (0001193125-26-340443) · report date 2026-06-30
- Brave Warrior Advisors SEC filing (0001172661-26-003728) · report date 2026-06-30
Tracked-sample concentration
Reported position value for CMCSA is highly concentrated within this tracked-holder sample. These percentages are not market-wide ownership shares.
- Largest tracked holder: 38.2% of aggregate reported value in this sample
- Top 5 tracked holders: 95.1% of aggregate reported value in this sample
- Top 10 tracked holders: 99.3% of aggregate reported value in this sample
Whale activity this quarter
Across 18 tracked holders, 8 increased, 6 reduced, 4 held. Net positioning is net buying.
- Capital Research Global Investors ($2.85B) (▲ 29.6% qoq shares)
- Dodge & Cox ($2.85B) (▲ 2.5% qoq shares)
- First Eagle Investment Management ($937.1M) (▲ 1.0% qoq shares)
- National Pension Service ($259.9M) (▲ 2.2% qoq shares)
- First Pacific Advisors ($213.0M) (▲ 1.0% qoq shares)
- Oakmark Funds ($176.1M) (▼ 72.9% qoq shares)
- Gardner Russo & Quinn ($53.9M) (▼ 2.6% qoq shares)
- Yacktman Asset Management ($25.5M) (→ 0.0% qoq shares) · modeled avg cost estimate $24.86
Modeled cost estimate vs current price
The share-weighted modeled cost estimate across 3 covered tracked holders is $23.53 versus a current price of $24.39, so CMCSA trades above that estimate (+3.6%). This model does not establish any filer's actual purchase price, unrealized gain, or investment return.
Sector positioning — Communication Services
CMCSA sits within the Communication Services sector alongside 53 other tracked names. Compare reported positions across tracked peers:
How to use this page
Values are reported public positions from tracked 13F filers and disclosures — not real-time or market-wide ownership totals. Open the live CMCSA dashboard for price charts and cross-investor scans, or read the SEC 13F guide.
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Learn more in Whale Analyzer Academy
Deepen your read on CMCSA with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns CMCSA stock?
Whale Analyzer tracks 18 public-disclosure holders of CMCSA with a combined reported value of $7.47B. See the holder table above for the largest tracked positions.
Which top funds are buying CMCSA?
Tracked holders were net buying last quarter — 8 increased, 6 reduced, 4 held. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is the tracked CMCSA sample?
The top five tracked holders account for 95.1% of aggregate reported value in this tracked sample. This is not a market-wide ownership percentage.
How does CMCSA compare with the modeled cost estimate?
The share-weighted modeled cost estimate across 3 covered tracked holders is $23.53 versus a current price of $24.39 (+3.6%). It is not an actual purchase price, unrealized gain, or investment return.
What does 13F ownership mean for CMCSA?
These are historical reported positions from tracked filers, not real-time ownership or a complete shareholder register. Use the interactive CMCSA dashboard to explore them, or read our 13F Alpha Signals Guide.