Security key
20030N101
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 2,971,725,113
- Total 13F value
- $93,348,982,628
- Share change
- -145,329,441
- Put/Call ratio
- 35%
- SEC-reported price per share
- $31.42
- Number of holders
- 2,138
- Value change
- -$5,067,688,923
- Number of buys
- 844
- Number of sells
- 1,248
- Shares outstanding
- 3,536,173,800
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
2,138
Top holders
10
CMCSA full security history
Ownership snapshot
Full 13F holder table
COMCAST CORP SEC filings
COMCAST CORP company facts
Broader feeds
Ownership snapshot
Top reported holders of CMCSA - COMCAST CORP - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
0/15
Latest evidence
30 Jun 2025
13F
Highest disclosed value: $13,185,275,091
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC has the largest disclosed position value at $13.19B.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens VANGUARD GROUP INC's linked filing trail.
Disclosed position value
Top 5
VANGUARD GROUP INC
$13.19B
BlackRock, Inc.
$10.78B
STATE STREET CORP
$6.17B
Capital World Investors
$4.6B
DODGE & COX
$3.97B
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$13,185,275,091
369,438,921 shares
|
— | 30 Jun 2025 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$10,779,760,857
302,038,690 shares
|
— | 30 Jun 2025 |
| STATE STREET CORP |
13F
Company
|
—
denominator unverified
|
$6,166,154,162
172,769,800 shares
|
— | 30 Jun 2025 |
| Capital World Investors |
13F
Company
|
—
denominator unverified
|
$4,597,002,651
128,814,663 shares
|
— | 30 Jun 2025 |
| DODGE & COX |
13F
Company
|
—
denominator unverified
|
$3,971,309,101
111,272,320 shares
|
— | 30 Jun 2025 |
| FMR LLC |
13F
Company
|
—
denominator unverified
|
$3,771,823,584
105,682,925 shares
|
— | 30 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
2,138
Shares
2,971,725,113
Rows available
2,138
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
2,272
Q3 2025 holders
2,138
Holder diff
-134
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|