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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

CMCSA holding history

Comcast Corp in every 13F filed by Citadel Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

CMCSA overviewAll 13F holders of CMCSAFull Q2 2026 holdings

Shares (Q2 2026)
5,247,259
Value
$128.8M
% of portfolio
0.1%
Quarters held
21
Since Q1 2021
Holdings of CMCSA by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20265,247,259$128.8M0.1%+3,353,116+177.0%AddedHolders
Q1 20261,894,143$54.4M<0.1%−2,836,565−60.0%ReducedHolders
Q4 20254,730,708$141.4M0.1%−2,559,988−35.1%ReducedHolders
Q3 20257,290,696$229.1M0.2%+6,852,140+1,562.4%AddedHolders
Q2 2025438,556$15.7M<0.1%−2,190,808−83.3%ReducedHolders
Q1 20252,629,364$97.0M0.1%−1,118,991−29.9%ReducedHolders
Q4 20243,748,355$140.7M0.1%−2,949,149−44.0%ReducedHolders
Q3 20246,697,504$279.8M0.3%+3,466,162+107.3%AddedHolders
Q2 20243,231,342$126.5M0.1%+2,219,844+219.5%AddedHolders
Q1 20241,011,498$43.8M<0.1%+790,617+357.9%AddedHolders
Q4 2023220,881$9.69M<0.1%−15,358,936−98.6%ReducedHolders
Q3 202315,579,817$690.8M0.7%+9,273,682+147.1%AddedHolders
Q2 20236,306,135$262.0M0.3%+6,243,044+9,895.3%AddedHolders
Q1 202363,091$2.39M<0.1%+63,091NewHolders
Q4 20220$00.0%−6,755,373−100.0%Sold outHolders
Q3 20226,755,373$198.1M0.2%+4,369,687+183.2%AddedHolders
Q2 20222,385,686$93.6M0.1%+1,135,535+90.8%AddedHolders
Q1 20221,250,151$58.5M0.1%−407,132−24.6%ReducedHolders
Q4 20211,657,283$83.4M0.1%+1,308,297+374.9%AddedHolders
Q3 2021348,986$19.5M<0.1%−7,912,123−95.8%ReducedHolders
Q2 20218,261,109$471.0M0.5%−555,055−6.3%ReducedHolders
Q1 20218,816,164$477.0M0.5%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.