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JANE STREET GROUP, LLC

Position in CMCSA — Comcast Corp

CIK 1595888 NEW YORK, NY

Position in CMCSA

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$11,231,132
+$8,032,868 QoQ
Shares Held
457,480
+310.7% QoQ
Ownership
0.013%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#337
of 1,875 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)

Derivatives in CMCSA

reported options exposure · as of Jun 30, 2026
CallValue
$177,017,775
CallShares
7,210,500
PutValue
$94,775,275
PutShares
3,860,500

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Telecom Services

Communication Services · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $477,687,154 across 35 Telecom Services names. CMCSA ranks #8 (2.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 CMCSA
Comcast Corp
This page
457,480 $11,231,132

All Filings in CMCSA

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $177,017,775 7,210,500
2026-06-30 $94,775,275 3,860,500
2026-06-30 $11,231,132 457,480
2026-03-31 $22,712,481 791,100
2026-03-31 $3,198,264 111,399
2026-03-31 $143,260,029 4,989,900
2025-12-31 $37,311,659 1,248,300
2025-12-31 $123,367,893 4,127,400
2025-12-31 $41,927,357 1,402,723
2025-09-30 $19,452,090 619,100
2025-09-30 $71,060,299 2,261,630
2025-09-30 $94,652,596 3,012,500
2025-06-30 $131,799,513 3,692,900
2025-06-30 $10,203,121 285,882
2025-06-30 $33,195,246 930,100
2025-03-31 $123,983,846 3,360,000
2025-03-31 $65,331,369 1,770,500
2025-03-31 $31,123,929 843,468
2024-12-31 $91,453,147 2,436,800
2024-12-31 $53,876,891 1,435,568
2024-12-31 $103,034,910 2,745,400
2024-09-30 $73,845,062 1,767,899
2024-09-30 $82,144,794 1,966,600
2024-09-30 $176,883,231 4,234,700
2024-06-30 $27,440,954 700,740
2024-03-31 $50,867,287 1,173,410
2023-12-31 $93,264,402 2,126,898
2023-09-30 $116,462,214 2,626,570
2023-06-30 $59,344,227 1,428,259
2023-03-31 $207,847,928 5,482,671
2022-12-31 $78,676,999 2,249,845
2022-09-30 $82,761,679 2,821,740
2022-06-30 $70,420,442 1,794,609
2022-03-31 $119,170,844 2,545,300
2022-03-31 $30,501,986 651,474
2022-03-31 $166,079,762 3,547,200
2021-12-31 $19,845,706 394,312
2021-12-31 $128,844,705 2,560,000
2021-12-31 $71,252,128 1,415,700
2021-09-30 $27,999,567 500,618
2021-09-30 $33,736,979 603,200
2021-09-30 $106,037,698 1,895,900
2021-06-30 $71,223,615 1,249,100
2021-06-30 $28,931,405 507,391
2021-06-30 $225,040,622 3,946,700
2021-03-31 $13,648,548 252,237
2021-03-31 $136,303,150 2,519,000
2021-03-31 $27,146,999 501,700
2020-12-31 $105,879,539 2,020,600
2020-12-31 $28,662,827 547,000