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Frontier Capital Management Co LLC

SEC CIK
0000351173
Latest filing
Aug 14, 2026

MGNI holding history

Magnite, Inc. in every 13F filed by Frontier Capital Management Co LLC, 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 (Q1 2026)
0
Sold out in Q1 2026
Value
$0
% of portfolio
0.0%
Quarters held
14
Since Q1 2021
Holdings of MGNI by Frontier Capital Management Co LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20260$00.0%−944,701−100.0%Sold outHolders
Q4 2025944,701$15.3M0.2%−148,532−13.6%ReducedHolders
Q3 20251,093,233$23.8M0.2%−700,597−39.1%ReducedHolders
Q2 20251,793,830$43.3M0.4%+1,448,456+419.4%AddedHolders
Q1 2025345,374$3.94M<0.1%−301,309−46.6%ReducedHolders
Q4 2024646,683$10.3M0.1%−1,112−0.2%ReducedHolders
Q3 2024647,795$8.97M0.1%−4,891−0.7%ReducedHolders
Q2 2024652,686$8.67M0.1%−7,501−1.1%ReducedHolders
Q1 2024660,187$7.10M0.1%−8,140−1.2%ReducedHolders
Q4 2023668,327$6.24M0.1%−34,989−5.0%ReducedHolders
Q3 2023703,316$5.30M0.1%−1,085,843−60.7%ReducedHolders
Q2 20231,789,159$24.4M0.2%−887,458−33.2%ReducedHolders
Q1 20232,676,617$24.8M0.3%+1,090,309+68.7%AddedHolders
Q4 20221,586,308$16.8M0.2%+1,586,308NewHolders
Q2 20210$00.0%−3,373,124−100.0%Sold outHolders
Q1 20213,373,124$140.4M1.1%––Holders

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