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Magnetar Financial LLC

SEC CIK
0001352851
Latest filing
Aug 14, 2026

CMCSA holding history

Comcast Corp in every 13F filed by Magnetar Financial 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)
90,251
Value
$2.22M
% of portfolio
<0.1%
Quarters held
11
Since Q2 2021
Holdings of CMCSA by Magnetar Financial LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202690,251$2.22M<0.1%+74,946+489.7%AddedHolders
Q1 202615,305$442.3K<0.1%−71,383−82.3%ReducedHolders
Q4 202586,688$2.59M<0.1%−199,941−69.8%ReducedHolders
Q3 2025286,629$9.01M0.1%−647−0.2%ReducedHolders
Q2 2025287,276$10.3M<0.1%+259,644+939.6%AddedHolders
Q1 202527,632$1.02M<0.1%−129,503−82.4%ReducedHolders
Q4 2024157,135$5.90M0.1%+157,135NewHolders
Q2 20240$00.0%−103,661−100.0%Sold outHolders
Q1 2024103,661$4.49M0.1%+7,385+7.7%AddedHolders
Q4 202396,276$4.22M0.1%+96,276NewHolders
Q3 20230$00.0%−69,106−100.0%Sold outHolders
Q2 202369,106$2.87M0.1%+69,106NewHolders
Q3 20210$00.0%−5,002−100.0%Sold outHolders
Q2 20215,002$285.0K<0.1%+5,002NewHolders