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Marshall Wace, LLP

SEC CIK
0001318757
Latest filing
Aug 13, 2026

MGNI holding history

Magnite, Inc. 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.

MGNI overviewAll 13F holders of MGNIFull Q2 2026 holdings

Shares (Q2 2026)
341,864
Value
$6.49M
% of portfolio
<0.1%
Quarters held
13
Since Q1 2021
Holdings of MGNI by Marshall Wace, LLP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026341,864$6.49M<0.1%+299,396+705.0%AddedHolders
Q1 202642,468$504.5K<0.1%+13,705+47.6%AddedHolders
Q4 202528,763$466.8K<0.1%+16,115+127.4%AddedHolders
Q3 202512,648$275.5K<0.1%+12,648NewHolders
Q2 20250$00.0%−13,468−100.0%Sold outHolders
Q1 202513,468$153.7K<0.1%−783,526−98.3%ReducedHolders
Q4 2024796,994$12.7M<0.1%−2,847,273−78.1%ReducedHolders
Q3 20243,644,267$50.5M0.1%+2,084,747+133.7%AddedHolders
Q2 20241,559,520$20.7M<0.1%+578,678+59.0%AddedHolders
Q1 2024980,842$10.5M<0.1%+782,112+393.6%AddedHolders
Q4 2023198,730$1.86M<0.1%+198,730NewHolders
Q2 20220$00.0%−854,004−100.0%Sold outHolders
Q1 2022854,004$11.3M<0.1%+363,797+74.2%AddedHolders
Q4 2021490,207$8.58M<0.1%+490,207NewHolders
Q2 20210$00.0%−47,515−100.0%Sold outHolders
Q1 202147,515$1.98M<0.1%––Holders

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