컴캐스트 주식회사
MX ˙ BMV ˙ US20030N1019
SecurityMX:CMCSA / Comcast Corporation
InstitutionJustInvest LLC
Latest Disclosed Ownership444,457 shares
Latest Disclosed Value $ 12,760,360
JustInvest LLC reports 14.65% increase in ownership of CMCSA / Comcast Corporation

On May 14, 2026 - JustInvest LLC filed a 13F-HR form disclosing ownership of 444,457 shares of Comcast Corporation (MX:CMCSA) valued at $12,760,360 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 387,663 shares of Comcast Corporation. This represents a change in shares of 14.65% 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)
2026-05-14 2026-03-31 13F COMCAST CORP CL A 20030N101 444,457 56,794 14.65 12,760 10.12 0.1252
2026-02-13 2025-12-31 13F COMCAST CORP CL A 20030N101 387,663 9,867 2.61 11,587 -2.38 0.1130
2025-10-31 2025-09-30 13F COMCAST CORP CL A 20030N101 377,796 -73,782 -16.34 11,871 -26.35 0.1216
2025-07-25 2025-06-30 13F COMCAST CORP CL A 20030N101 451,578 34,406 8.25 16,117 4.70 0.1819
2025-05-14 2025-03-31 13F COMCAST CORP CL A 20030N101 417,172 7,468 1.82 15,394 0.11 0.2270
2025-02-10 2024-12-31 13F COMCAST CORP CL A 20030N101 409,704 -24,785 -5.70 15,376 -15.27 0.2322
2024-11-12 2024-09-30 13F COMCAST CORP CL A 20030N101 434,489 52,910 13.87 18,149 25.97 0.2923
2024-08-12 2024-06-30 13F COMCAST CORP CL A 20030N101 381,579 29,480 8.37 14,407 -5.61 0.2743
2024-05-09 2024-03-31 13F COMCAST CORP CL A 20030N101 352,099 17,916 5.36 15,263 4.16 0.3276
2024-02-08 2023-12-31 13F COMCAST CORP CL A 20030N101 334,183 -25,977 -7.21 14,654 -8.24 0.3802
2023-11-08 2023-09-30 13F COMCAST CORP CL A 20030N101 360,160 19,856 5.83 15,969 12.94 0.4774
2023-07-28 2023-06-30 13F COMCAST CORP CL A 20030N101 340,304 43,417 14.62 14,140 25.65 0.4331
2023-05-10 2023-03-31 13F COMCAST CORP CL A 20030N101 296,887 35,486 13.58 11,253 23.10 0.3909
2023-02-10 2022-12-31 13F COMCAST CORP CL A 20030N101 261,401 106,903 69.19 9,141 101.74 0.3772
2022-11-14 2022-09-30 13F COMCAST CORP CL A 20030N101 154,498 -8,539 -5.24 4,531 -29.18 0.2049
2022-08-12 2022-06-30 13F/A-1 COMCAST CORP CL A 20030N101 163,037 23,633 16.95 6,398 -1.96 0.2963
2022-08-09 2022-06-30 13F COMCAST CORP CL A 20030N101 163,037 23,633 6,398 0.2963
2022-05-16 2022-03-31 13F COMCAST CORP CL A 20030N101 139,404 38,085 37.59 6,526 27.99 0.3159
2022-02-23 2021-12-31 13F COMCAST CORP CL A 20030N101 101,319 787 0.78 5,099 -9.32 0.3005
2021-11-09 2021-09-30 13F COMCAST CORP CL A 20030N101 100,532 19,008 23.32 5,623 20.98 0.5053
2021-08-11 2021-06-30 13F/A-1 COMCAST CORP CL A 20030N101 81,524 16,567 25.50 4,648 32.23 0.4866
2021-07-21 2021-06-30 13F COMCAST CORP CL A 20030N101 64,957 0 3,515 0.5350
2021-04-28 2021-03-31 13F COMCAST CORP CL A 20030N101 64,957 21,074 48.02 3,515 52.89 0.5321
2021-01-20 2020-12-31 13F/A-1 COMCAST CORP CL A 20030N101 43,883 9,337 27.03 2,299 43.87 0.5001
2021-01-19 2020-12-31 13F COMCAST CORP CL A 20030N101 43,883 9,337 171 499,211.7709
2020-10-26 2020-09-30 13F COMCAST CORP CL A 20030N101 34,546 9,109 35.81 1,598 61.09 0.4484
2020-07-27 2020-06-30 13F COMCAST CORP CL A 20030N101 25,437 4,806 23.30 992 39.92 0.4500
2020-05-13 2020-03-31 13F COMCAST CORP CL A 20030N101 20,631 20,631 709 0.4134
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.