Security record · archived quarter
CMCSA
Comcast Corporation · Communication Services · Telecommunications Services
24Tracked holders
-1Δ holders
717.85MShares held
$26.93BReported value
+0New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth -4.0% ·
share flow +4.9% ·
net new positions -4.2%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 180 | -1 | 2.54B | $62.47B | +5 | −6 |
| Q1 2026 | 184 | +1 | 2.60B | $74.53B | +3 | −3 |
| Q4 2025 | 182 | +1 | 2.70B | $80.48B | +3 | −1 |
| Q3 2025 | 29 | -1 | 1.64B | $51.58B | — | −2 |
| Q2 2025 | 28 | +1 | 1.49B | $53.29B | +1 | — |
| Q1 2025 | 24 | 0 | 726.44M | $26.79B | +1 | −1 |
| Q4 2024 | 24 | -1 | 717.85M | $26.93B | — | −1 |
| Q3 2024 | 24 | +3 | 516.43M | $21.56B | +3 | — |
| Q2 2024 | 21 | — | 475.29M | $18.60B | — | — |
Who holds it · Q4 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 167.73M | — | $6.29B | 0.2% | n/c | 1 | SEC ↗ |
| 2 | Capital World Investors ✦ | 141.68M | +8.6% | $5.32B | 0.8% | ▲ Add | 3 | SEC ↗ |
| 3 | Norges Bank ✦ (passive) | 102.19M | +24.7% | $3.84B | 0.5% | ▲ Add | 3 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 85.81M | +1.2% | $3.21B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 85.81M | +1.2% | $3.21B | 0.2% | ▲ Add | 3 | SEC ↗ |
| 6 | Dodge & Cox ✦ | 79.10M | +6.8% | $2.97B | 1.7% | ▲ Add | 3 | SEC ↗ |
| 7 | T. Rowe Price ✦ | 43.79M | -4.8% | $1.64B | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 8 | T. Rowe Price ✦ | 43.79M | -4.8% | $1.64B | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 9 | Arrowstreet Capital ✦ | 24.40M | -11.8% | $915.75M | 0.7% | ▼ Trim | 3 | SEC ↗ |
| 10 | Harris Associates (Oakmark) ✦ | 20.48M | -4.4% | $768.72M | 1.3% | ▼ Trim | 3 | SEC ↗ |
| 11 | Harris Associates (Oakmark) ✦ | 20.48M | -4.4% | $768.72M | 1.3% | ▼ Trim | 3 | SEC ↗ |
| 12 | Viking Global Investors ✦ | 19.82M | +540.8% | $743.81M | 2.4% | ▲ Add | 2 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 12.37M | +26.4% | $463.77M | 0.6% | ▲ Add | 3 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 12.37M | +26.4% | $463.77M | 0.6% | ▲ Add | 3 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 12.37M | +26.4% | $463.77M | 0.6% | ▲ Add | 3 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 12.37M | +26.4% | $463.77M | 0.6% | ▲ Add | 3 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 12.37M | +26.4% | $463.77M | 0.6% | ▲ Add | 3 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 12.37M | +26.4% | $463.77M | 0.6% | ▲ Add | 3 | SEC ↗ |
| 19 | Citadel Advisors ✦ | 3.75M | -44.0% | $140.68M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 20 | Citadel Advisors ✦ | 3.75M | -44.0% | $140.68M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 21 | Adage Capital Partners ✦ | 3.47M | +2.3% | $130.19M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 22 | Bridgewater Associates ✦ | 3.00M | +115.4% | $112.57M | 0.5% | ▲ Add | 3 | SEC ↗ |
| 23 | Point72 Asset Management ✦ | 2.04M | -72.9% | $76.63M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 24 | Millennium Management ✦ | 1.87M | -48.7% | $70.26M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 25 | Wellington Management ✦ | 1.84M | -71.1% | $69.11M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 26 | Wellington Management ✦ | 1.84M | -71.1% | $69.11M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 27 | Wellington Management ✦ | 1.84M | -71.1% | $69.11M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 28 | Two Sigma Investments ✦ | 1.20M | -57.2% | $45.19M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 29 | Markel Group ✦ | 961.88K | -11.0% | $36.10M | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 30 | Markel Group ✦ | 961.88K | -11.0% | $36.10M | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 31 | D. E. Shaw & Co. ✦ | 845.98K | -63.6% | $31.75M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | D. E. Shaw & Co. ✦ | 845.98K | -63.6% | $31.75M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 33 | Gotham Asset Management ✦ | 523.91K | +17.1% | $19.66M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 34 | GAMCO Investors ✦ | 506.93K | -2.6% | $19.03M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 35 | PRIMECAP Management ✦ | 345.80K | 0.0% | $12.98M | 0.0% | Held | 3 | SEC ↗ |
| 36 | Fisher Asset Management ✦ | 74.45K | +0.9% | $2.79M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 37 | Tweedy, Browne ✦ | 34.58K | -2.5% | $1.30M | 0.1% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Marshall Wace | $21.44M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 2,026 holders, 2.99B shares, $83.02B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Aug 12
SC 13G/A — Capital World Investors
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2024 ·
Methodology ·
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