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GROUP ONE TRADING LLC

Position in CMCSA — Comcast Corp

CIK 932540 CHICAGO, IL

Position in CMCSA

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$5,862,417
-$2,414,647 QoQ
Shares Held
238,795
-17.2% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
#441
of 1,877 holders
Holding Since
Mar 2020
15 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, 2026

GROUP ONE TRADING LLC holds $62,238,416 across 21 Telecom Services names. CMCSA ranks #4 (9.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 CMCSA
Comcast Corp
This page
238,795 $5,862,417

All Filings in CMCSA

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15 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,862,417 238,795
2026-03-31 $8,277,064 288,299
2025-12-31 $12,626,483 422,432
2025-09-30 $4,125,690 131,308
2025-06-30 $1,838,212 51,505
2025-03-31 $2,524,436 68,413
2024-12-31 $1,193,191 31,793
2024-09-30 $2,392,374 57,275
2024-06-30 $816,681 20,855
2024-03-31 $215,319 4,967
2022-09-30 $4,907,117 167,307
2022-06-30 $1,976,910 50,380
2022-03-31 $1,789,880 38,229
2020-12-31 $3,609,629 68,886
2020-03-31 $1,205,019 35,050