Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in CMCSA held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 313.2M | $7.69B | -0.6% | 8.826% | 0.11% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 232.6M | $5.71B | -0.2% | 6.556% | 0.12% |
| 3 | STATE STREET CORP | 195.1M | $4.79B | +6.7% | 5.497% | 0.07% |
| 4 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 133.1M | $3.27B | +9.5% | 3.751% | 0.43% |
| 5 | Invesco Ltd. | 125.1M | $3.07B | +66.1% | 3.526% | 0.24% |
| 6 | Capital Research Global Investors | 116.1M | $2.85B | +29.6% | 3.272% | 0.40% |
| 7 | DODGE & COX | 115.9M | $2.85B | +2.5% | 3.266% | 1.49% |
| 8 | Capital World Investors | 104.6M | $2.57B | -42.6% | 2.948% | 0.30% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 89.5M | $2.19B | +1.6% | 2.523% | 0.12% |
| 10 | VANGUARD PORTFOLIO MANAGEMENT LLC | 80.0M | $1.96B | +4.3% | 2.256% | 0.09% |
| 11 | NORGES BANK | 76.5M | $1.88B | — | 2.157% | 0.19% |
| 12 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 52.3M | $1.28B | +322.9% | 1.474% | 0.57% |
| 13 | FMR LLC | 50.8M | $1.25B | -16.2% | 1.432% | 0.05% |
| 14 | MORGAN STANLEY | 43.3M | $1.06B | +0.9% | 1.221% | 0.06% |
| 15 | GOLDMAN SACHS GROUP INC | 42.1M | $1.03B | -2.9% | 1.186% | 0.09% |
| 16 | First Eagle Investment Management, LLC | 38.2M | $937.1M | +1.0% | 1.076% | 0.78% |
| 17 | JPMORGAN CHASE & CO | 37.0M | $895.6M | -41.5% | 1.042% | 0.05% |
| 18 | NORTHERN TRUST CORP | 36.1M | $885.1M | -0.9% | 1.016% | 0.10% |
| 19 | BANK OF AMERICA CORP /DE/ | 32.3M | $793.5M | -20.9% | 0.911% | 0.05% |
| 20 | AMERIPRISE FINANCIAL INC | 31.9M | $783.3M | -24.8% | 0.899% | 0.16% |
| 21 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | 31.3M | $767.8M | +0.2% | 0.881% | 0.14% |
| 22 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 30.1M | $738.6M | +12.3% | 0.848% | 2.15% |
| 23 | DIMENSIONAL FUND ADVISORS LP | 28.9M | $709.8M | -1.9% | 0.815% | 0.13% |
| 24 | Bank of New York Mellon Corp | 28.1M | $691.0M | +3.3% | 0.793% | 0.11% |
| 25 | Long Focus Capital Management, LLC | 25.3M | $621.5M | +32.4% | 0.713% | 15.89% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in CMCSA — a direct measure of their conviction.
Filings activity in CMCSA during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 1,898 | 6.0% | 90.88% | +2.84 pp | $76.69B | 13% |
| Q1 2026 | 2,020 | 1.3% | 88.04% | +2.38 pp | $87.66B | 1.9% |
| Q4 2025 | 2,046 | 2.2% | 85.66% | +4.23 pp | $89.31B | 2.3% |
| Q3 2025 | 2,092 | 5.7% | 81.43% | 2.76 pp | $91.42B | 15% |
| Q2 2025 | 2,219 | 2.3% | 84.19% | +2.45 pp | $107.89B | +0.1% |
| Q1 2025 | 2,271 | 2.8% | 81.74% | 0.86 pp | $107.83B | 5.1% |
| Q4 2024 | 2,336 | +2.9% | 82.60% | +3.04 pp | $113.58B | 11% |
| Q3 2024 | 2,271 | — | 79.56% | — | $127.73B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying CMCSA stock.
Based on Q2 2026 13F filings, institutional ownership of Comcast Corporation stands at 90.9%, held across 1,898 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of CMCSA, with approximately 313,212,228 shares worth $7.69B as of Q2 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of CMCSA.
Our composite Smart Money Score for CMCSA is 30 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
135 institutions opened new positions in CMCSA during Q2 2026, while 278 fully exited. 322 added to existing positions and 1,372 trimmed.
CMCSA institutional ownership rose by 2.84 percentage points quarter-over-quarter, with a net change of -122 holders.
The top 10 institutions account for 48.2% of all reported 13F value in CMCSA, and the top 25 account for 66.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Comcast Corporation (CMCSA) Institutional Ownership