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Comcast Corp · 13F filings

CMCSA Institutional Ownership

Holdings as of Jun 30, 2026From SEC Form 13FUpdated

Who owns Comcast Corp and what the big funds did with it last quarter, from every SEC 13F filing. 1,900 funds reported holding CMCSA at Jun 30, 2026.

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Fund sentiment
Neutral
Strongly bearishNeutralStrongly bullish
  • ▼806 buying vs 1,162 selling
  • ▲Shares held by funds +1.1%
  • ▼Funds holding -163
  • ●Superinvestors: 4 added, 4 cut
  • ▲Put/call 0.16 to 0.15

What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.

Funds holding1,900−163 vs Q1 2026
Held by funds–of shares outstanding
Value held$78.1B3.18B shares
Put/call ratio0.15down from 0.16

Funds holding and ownership

8 quarters
Q3 2024: 2,373 fundsQ3 '24Q4 2024: 2,462 fundsQ4 '24Q1 2025: 2,364 fundsQ1 '25Q2 2025: 2,302 fundsQ2 '25Q3 2025: 2,163 fundsQ3 '25Q4 2025: 2,114 fundsQ4 '25Q1 2026: 2,063 fundsQ1 '26Q2 2026: 1,900 fundsQ2 '26
Funds holding

Quarter over quarter

all 13F filers
Q2 2026This quarterQ1 2026Change
Funds holding1,9002,063−7.9%
In funds' top 102724+12.5%
13F shares3.18B3.15B+1.1%
Held by funds–––
New positions136152−10.5%
Increased670870−23.0%
Reduced873749+16.6%
Sold out289203+42.4%
Calls (shares)39.6M32.1M+23.4%
Puts (shares)5.9M5.1M+16.5%
Put/call ratio0.150.16−5.2%

Buyers vs sellers

adding or new vs cutting or sold out
Q4 2024: 874 buyingQ4 2024: 1,286 sellingQ4 '24Q1 2025: 1,003 buyingQ1 2025: 1,273 sellingQ1 '25Q2 2025: 959 buyingQ2 2025: 1,208 sellingQ2 '25Q3 2025: 844 buyingQ3 2025: 1,239 sellingQ3 '25Q4 2025: 749 buyingQ4 2025: 1,284 sellingQ4 '25Q1 2026: 1,022 buyingQ1 2026: 952 sellingQ1 '26Q2 2026: 806 buyingQ2 2026: 1,162 sellingQ2 '26
Buying 806Selling 1,162latest quarter

Superinvestors in CMCSA

All superinvestors →

Who owns CMCSA

share of fund held shares
  • Index and passive funds41.7%
  • Active managers and hedge funds39.0%
  • Banks and brokers13.9%
  • Pensions, insurers and other5.4%

The top 10 holders own 47.3% of all CMCSA shares that funds reported. Groups are our own grouping of filers by name.

Put/call ratio

funds' options, market makers left out
1.00Q3 2024: 0.50Q3 '24Q4 2024: 0.45Q4 '24Q1 2025: 0.46Q1 '25Q2 2025: 0.26Q2 '25Q3 2025: 0.19Q3 '25Q4 2025: 0.13Q4 '25Q1 2026: 0.16Q1 '26Q2 2026: 0.15Q2 '260.15

Above 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.

Filed so far for Q3 2026

728 funds changed their position

🔒 Free account: see all 20.

Top holders

Q2 2026
#FundOf companySharesValueChange
1BlackRock, Inc.–313M$7.7B−1.8M
2Vanguard Capital Management LLC–233M$5.7B−509K
3State Street Corp–195M$4.8B+12.3M
4Charles Schwab Investment Management Inc–133M$3.3B+11.5M
5Invesco Ltd.–125M$3.1B+5.3M
6Capital Research Global Investors–116M$2.9B+26.5M
7Dodge & Cox–116M$2.8B+2.8M
8Capital World Investors–105M$2.6B−77.5M
9Geode Capital Management, LLC–89.5M$2.2B+1.4M
10Vanguard Portfolio Management LLC–80M$2B+3.3M
🔒 15 more top holders. Create a free account or sign in to see them.
Biggest buyers
Biggest sellers

CMCSA institutional ownership FAQ

Who owns the most CMCSA stock?

In Q2 2026 13F filings the largest holder of CMCSA was BlackRock, Inc., followed by Vanguard Capital Management LLC and State Street Corp. Index fund managers are usually the biggest holders of large companies.

What percentage of CMCSA is owned by institutions?

1,900 funds reported holding 3.18B CMCSA shares at Jun 30, 2026.

Are hedge funds buying CMCSA?

In Q2 2026, 806 funds bought CMCSA (136 of them new positions) and 1,162 sold (289 sold out completely). Among well known investors, 4 added and 4 cut. Our fund sentiment for CMCSA is neutral.

What is CMCSA's institutional put/call ratio?

Funds reported $146M of CMCSA puts against $973M of calls, a put/call ratio of 0.15 (0.16 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.

How current is this CMCSA ownership data?

13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.