Magnetar Financial LLC

Position in CMCSA — Comcast Corp

CIK 1352851 EVANSTON, IL

Position in CMCSA

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$439,406

-$1,988,993 QoQ

Shares Held

15,305

-82.3% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2020

11 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Communication Services · as of Mar 31, 2026

Magnetar Financial LLC holds $7,870,616 across 8 Telecom Services names. CMCSA ranks #6 (5.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KYIV	Kyivstar Group Ltd.	193,950	$1,962,774
2	IDT	Idt Corp	35,902	$1,762,787
3	LBTYA	Liberty Global Ltd.	136,218	$1,646,875
4	TIGO	Millicom International Cellular SA	13,155	$985,835
5	TMUS	T-Mobile US, Inc.	3,186	$669,155
6	CMCSA	Comcast Corp This page	15,305	$439,406
7	CCOI	Cogent Communications Holdings, Inc.	13,846	$260,858
8	TU	Telus Corp	11,140	$142,926

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$439,406	15,305	-82.3%	Shares	Sole	2026-05-13
2025-12-31	$2,428,399	86,688	-69.8%	Shares	Sole	2026-02-17
2025-09-30	$8,440,363	286,629	-0.2%	Shares	Sole	2025-11-13
2025-06-30	$9,609,065	287,276	+939.6%	Shares	Sole	2025-08-12
2025-03-31	$955,594	27,632	-82.4%	Shares	Sole	2025-05-15
2024-12-31	$5,526,972	157,135	+51.6%	Shares	Sole	2025-02-11
2024-03-31	$4,211,528	103,661	+7.7%	Shares	Sole	2024-05-15
2023-12-31	$3,956,606	96,276	+39.3%	Shares	Sole	2024-02-13
2023-06-30	$2,691,056	69,106	+1281.6%	Shares	Sole	2023-08-11
2021-06-30	$267,304	5,002	-88.5%	Shares	Sole	2021-08-06
2020-12-31	$2,128,463	43,341	—	Shares	Sole	2021-02-12
No filing history on record for this holder in this stock.