컴캐스트 주식회사
MX ˙ BMV ˙ US20030N1019
SecurityMX:CMCSA / Comcast Corporation
InstitutionCornerstone Planning Group LLC
Latest Disclosed Ownership4,759 shares
Latest Disclosed Value $ 125,915
Cornerstone Planning Group LLC reports 43.82% increase in ownership of CMCSA / Comcast Corporation

On May 6, 2026 - Cornerstone Planning Group LLC filed a 13F-HR form disclosing ownership of 4,759 shares of Comcast Corporation (MX:CMCSA) valued at $125,915 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 2, 2026 disclosing 3,309 shares of Comcast Corporation. This represents a change in shares of 43.82% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-06 2026-03-31 13F COMCAST CORP NEW CL A Common Stock 20030N101 4,759 1,450 43.82 126 32.98 0.0168
2026-02-02 2025-12-31 13F COMCAST CORP NEW CL A Common Stock 20030N101 3,309 825 33.21 94 40.30 0.0147
2025-11-04 2025-09-30 13F COMCAST CORP NEW CL A Common Stock 20030N101 2,484 6 0.24 68 -16.25 0.0109
2025-08-11 2025-06-30 13F COMCAST CORP NEW CL A Common Stock 20030N101 2,478 -3,840 -60.78 81 -63.13 0.0164
2025-04-30 2025-03-31 13F COMCAST CORP NEW CL A Common Stock 20030N101 6,318 5,337 544.04 218 486.49 0.0521
2025-01-29 2024-12-31 13F COMCAST CORP NEW CL A Common Stock 20030N101 981 -34 -3.35 37 -11.90 0.0092
2024-11-05 2024-09-30 13F COMCAST CORP NEW CL A Common Stock 20030N101 1,015 -2 -0.20 43 7.69 0.0113
2024-08-13 2024-06-30 13F COMCAST CORP NEW CL A Common Stock 20030N101 1,017 -86 -7.80 40 -7.14 0.0114
2024-05-07 2024-03-31 13F COMCAST CORP NEW CL A Common Stock 20030N101 1,103 -287 -20.65 43 -30.00 0.0133
2024-02-12 2023-12-31 13F COMCAST CORP Common Stock 20030N101 1,390 9 0.65 61 -1.64 0.0201
2023-11-08 2023-09-30 13F COMCAST COMMON STOCK 20030N101 1,381 -375 -21.36 61 -15.28 0.0233
2023-08-15 2023-06-30 13F COMCAST CORP COM CL A COM CL A 20030N101 1,756 -479 -21.43 73 -15.29 0.0288
2023-02-14 2022-12-31 13F COMCAST CORP COM CL A COM CL A 20030N101 2,235 2,235 85 0.0357
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.