Ken Griffin Comcast Corp Transaction History

Citadel Advisors LLC

$618 Billion
Q3 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Comcast Corp stock. As of the latest transaction made, Citadel Advisors LLC holds 7,290,696 shares of CMCSA stock, worth $198 Million. This represents 0.04% of its overall portfolio holdings.

Number of Shares

7,290,696

Previous 438,556 1562.43%

Holding current value

$198 Million

Previous $15.7 Million 1363.54%

% of portfolio

0.04%

Previous 0.0%

32 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$31.41 - $36.33 $215 Million - $249 Million	6,852,140 Added 1562.43%	7,290,696 $229 Million
Q2 2025 Aug 14, 2025	SELL	$32.84 - $36.72 $71.9 Million - $80.4 Million	-2,190,808 Reduced 83.32%	438,556 $15.7 Million
Q1 2025 May 15, 2025	SELL	$33.19 - $38.23 $37.1 Million - $42.8 Million	-1,118,991 Reduced 29.85%	2,629,364 $97 Million
Q4 2024 Feb 14, 2025	SELL	$37.39 - $45.14 $110 Million - $133 Million	-2,949,149 Reduced 44.03%	3,748,355 $141 Million
Q3 2024 Nov 14, 2024	BUY	$37.33 - $41.78 $129 Million - $145 Million	3,466,162 Added 107.27%	6,697,504 $280 Million

Q2 2024 Aug 14, 2024	BUY	$36.9 - $42.28 $81.9 Million - $93.9 Million	2,219,844 Added 219.46%	3,231,342 $127 Million
Q1 2024 May 15, 2024	BUY	$41.24 - $46.73 $32.6 Million - $36.9 Million	790,617 Added 357.94%	1,011,498 $43.8 Million
Q4 2023 Feb 14, 2024	SELL	$39.15 - $44.7 $601 Million - $687 Million	-15,358,936 Reduced 98.58%	220,881 $9.69 Million
Q3 2023 Nov 14, 2023	BUY	$41.21 - $47.12 $382 Million - $437 Million	9,273,682 Added 147.06%	15,579,817 $691 Million
Q2 2023 Aug 14, 2023	BUY	$36.52 - $41.67 $228 Million - $260 Million	6,243,044 Added 9895.3%	6,306,135 $262 Million
Q1 2023 May 15, 2023	BUY	$35.28 - $41.11 $2.23 Million - $2.59 Million	63,091 New	63,091 $2.39 Million
Q3 2022 Nov 14, 2022	BUY	$29.33 - $65.5 $128 Million - $286 Million	4,369,687 Added 183.16%	6,755,373 $198 Million
Q2 2022 Aug 15, 2022	BUY	$37.91 - $48.11 $43 Million - $54.6 Million	1,135,535 Added 90.83%	2,385,686 $93.6 Million
Q1 2022 May 16, 2022	SELL	$44.97 - $51.68 $18.3 Million - $21 Million	-407,132 Reduced 24.57%	1,250,151 $58.5 Million
Q4 2021 Feb 14, 2022	BUY	$47.71 - $57.4 $62.4 Million - $75.1 Million	1,308,297 Added 374.89%	1,657,283 $83.4 Million
Q3 2021 Nov 15, 2021	SELL	$54.75 - $61.75 $433 Million - $489 Million	-7,912,123 Reduced 95.78%	348,986 $19.5 Million
Q2 2021 Aug 16, 2021	SELL	$53.3 - $58.68 $29.6 Million - $32.6 Million	-555,055 Reduced 6.3%	8,261,109 $471 Million
Q1 2021 May 17, 2021	BUY	$48.42 - $58.04 $386 Million - $462 Million	7,964,412 Added 935.06%	8,816,164 $477 Million
Q4 2020 Feb 16, 2021	SELL	$41.4 - $52.4 $239 Million - $302 Million	-5,761,859 Reduced 87.12%	851,752 $44.6 Million
Q3 2020 Nov 16, 2020	BUY	$39.25 - $46.81 $251 Million - $299 Million	6,396,347 Added 2944.04%	6,613,611 $306 Million
Q2 2020 Aug 14, 2020	BUY	$32.42 - $43.12 $2.54 Million - $3.38 Million	78,395 Added 56.45%	217,264 $8.47 Million
Q1 2020 May 15, 2020	SELL	$33.37 - $47.5 $229 Million - $326 Million	-6,858,018 Reduced 98.02%	138,869 $4.77 Million
Q4 2019 Feb 14, 2020	BUY	$42.07 - $46.08 $251 Million - $275 Million	5,976,534 Added 585.73%	6,996,887 $315 Million
Q3 2019 Nov 14, 2019	SELL	$41.61 - $46.97 $25.6 Million - $28.9 Million	-616,262 Reduced 37.65%	1,020,353 $46 Million
Q2 2019 Aug 14, 2019	SELL	$40.02 - $43.68 $108 Million - $118 Million	-2,700,545 Reduced 62.27%	1,636,615 $69.2 Million
Q1 2019 May 15, 2019	SELL	$34.37 - $40.47 $304 Million - $358 Million	-8,844,289 Reduced 67.1%	4,337,160 $0
Q4 2018 Feb 14, 2019	BUY	$33.07 - $39.42 $306 Million - $365 Million	9,259,192 Added 236.07%	13,181,449 $449 Million
Q3 2018 Nov 13, 2018	BUY	$33.09 - $37.9 $47.5 Million - $54.4 Million	1,436,535 Added 57.79%	3,922,257 $0
Q2 2018 Aug 10, 2018	BUY	$30.59 - $34.6 $29.9 Million - $33.8 Million	977,676 Added 64.83%	2,485,722 $0
Q1 2018 May 11, 2018	SELL	$32.99 - $42.99 $650 Million - $847 Million	-19,696,627 Reduced 92.89%	1,508,046 $51.5 Million
Q4 2017 Feb 09, 2018	BUY	$35.15 - $40.82 $579 Million - $673 Million	16,485,034 Added 349.29%	21,204,673 $849 Million
Q3 2017 Nov 09, 2017	BUY	$36.93 - $41.9 $174 Million - $198 Million	4,719,639	4,719,639 $182 Million

Others Institutions Holding CMCSA

# of Institutions

2,564

Shares Held

2.94B

Call Options Held

44.2M

Put Options Held

17.4M

View Full List

About COMCAST CORP

Ticker CMCSA
Exchange NYSE
Sector Communication Services
Industry Telecom Services
Shares Outstandng 4,403,789,824
Market Cap $120B
Description
Comcast Corporation operates as a media and technology company worldwide. It operates through Cable Communications, Media, Studios, Theme Parks, and Sky segments. The Cable Communications segment offers broadband, video, voice, wireless, and other services to residential and business customers under the Xfinity brand; and advertising services. T...

More about CMCSA

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