Position in CMCSA
as of Jun 30, 2026
· filed Jul 29, 2026
Position Value
$270,958
-$117,201 QoQ
Shares Held
11,037
-18.4% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#1,319
of 1,877 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CMCSA Over Time
Shares Held
Position Value (USD)
Position in Telecom Services
Communication Services · as of Jun 30, 2026Main Street Research LLC holds $562,227 across 2 Telecom Services names. CMCSA ranks #2 (48.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | T |
At&T Inc.
|
14,071 | $291,269 | |
| 2 | CMCSA |
Comcast Corp
This page
|
11,037 | $270,958 |
All Filings in CMCSA
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $270,958 | 11,037 | Shares | Sole | 2026-07-29 | |
| 2026-03-31 | $388,159 | 13,520 | Shares | Sole | 2026-04-30 | |
| 2025-12-31 | $326,159 | 10,912 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $352,626 | 11,223 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $370,176 | 10,372 | Shares | Sole | 2025-08-05 | |
| 2025-03-31 | $382,726 | 10,372 | Shares | Sole | 2025-04-30 | |
| 2024-12-31 | $389,261 | 10,372 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $433,237 | 10,372 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $408,751 | 10,438 | Shares | Sole | 2024-07-29 | |
| 2024-03-31 | $526,615 | 12,148 | Shares | Sole | 2024-05-01 | |
| 2023-12-31 | $469,676 | 10,711 | Shares | Sole | 2024-01-30 | |
| 2023-09-30 | $510,398 | 11,511 | Shares | Sole | 2023-11-03 | |
| 2023-06-30 | $477,991 | 11,504 | Shares | Sole | 2023-08-08 | |
| 2023-03-31 | $393,202 | 10,372 | Shares | Sole | 2023-05-01 | |
| 2022-12-31 | $431,494 | 12,339 | Shares | Sole | 2023-02-06 | |
| 2022-09-30 | $361,639 | 12,330 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $406,997 | 10,372 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $491,609 | 10,500 | Shares | Sole | 2022-05-05 | |
| 2021-12-31 | $603,154 | 11,984 | Shares | Sole | 2022-02-09 | |
| 2021-09-30 | $643,418 | 11,504 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $617,754 | 10,834 | Shares | Sole | 2021-08-06 | |
| 2021-03-31 | $589,258 | 10,890 | Shares | Sole | 2021-05-07 | |
| 2020-12-31 | $592,644 | 11,310 | Shares | Sole | 2021-02-12 | |
| 2020-09-30 | $511,404 | 11,055 | Shares | Sole | 2020-11-10 | |
| 2020-06-30 | $411,199 | 10,549 | Shares | Sole | 2020-07-29 | |
| 2020-03-31 | $395,026 | 11,490 | Shares | Sole | 2020-05-01 | |
| No filing history on record for this holder in this stock. | ||||||