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Marshall Wace, LLP

SEC CIK
0001318757
Latest filing
Aug 13, 2026

CMCSA holding history

Comcast Corp in every 13F filed by Marshall Wace, LLP, 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)
40,981
Value
$1.01M
% of portfolio
<0.1%
Quarters held
17
Since Q1 2021
Holdings of CMCSA by Marshall Wace, LLP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202640,981$1.01M<0.1%+40,919+65,998.4%AddedHolders
Q1 202662$1.78K<0.1%−2,361,058−100.0%ReducedHolders
Q4 20252,361,120$70.6M0.1%+1,346,940+132.8%AddedHolders
Q3 20251,014,180$31.9M<0.1%+551,668+119.3%AddedHolders
Q2 2025462,512$16.5M<0.1%+280,841+154.6%AddedHolders
Q1 2025181,671$6.70M<0.1%+181,671NewHolders
Q4 20240$00.0%−513,373−100.0%Sold outHolders
Q3 2024513,373$21.4M<0.1%+513,373NewHolders
Q3 20230$00.0%−39,500−100.0%Sold outHolders
Q2 202339,500$1.64M<0.1%−749,085−95.0%ReducedHolders
Q1 2023788,585$29.9M0.1%+493,171+166.9%AddedHolders
Q4 2022295,414$10.3M<0.1%+287,364+3,569.7%AddedHolders
Q3 20228,050$236.0K<0.1%−2,835,786−99.7%ReducedHolders
Q2 20222,843,836$111.6M0.3%−5,961,338−67.7%ReducedHolders
Q1 20228,805,174$412.3M0.9%+1,234,053+16.3%AddedHolders
Q4 20217,571,121$381.1M0.8%+6,812,876+898.5%AddedHolders
Q3 2021758,245$42.4M0.2%+572,926+309.2%AddedHolders
Q2 2021185,319$10.6M0.1%+163,539+750.9%AddedHolders
Q1 202121,780$1.18M<0.1%––Holders

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