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Fred Alger Management, LLC

SEC CIK
0000003520
Latest filing
Aug 14, 2026

MGNI holding history

Magnite, Inc. in every 13F filed by Fred Alger Management, 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 (Q3 2023)
0
Sold out in Q3 2023
Value
$0
% of portfolio
0.0%
Quarters held
10
Since Q1 2021
Holdings of MGNI by Fred Alger Management, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q3 20230$00.0%−272,714−100.0%Sold outHolders
Q2 2023272,714$3.72M<0.1%−6,605−2.4%ReducedHolders
Q1 2023279,319$2.59M<0.1%−57,881−17.2%ReducedHolders
Q4 2022337,200$3.57M<0.1%+1210.0%AddedHolders
Q3 2022337,079$2.21M<0.1%+870.0%AddedHolders
Q2 2022336,992$2.99M<0.1%−98,231−22.6%ReducedHolders
Q1 2022435,223$5.75M<0.1%−2,078−0.5%ReducedHolders
Q4 2021437,301$7.65M<0.1%−3,236,788−88.1%ReducedHolders
Q3 20213,674,089$102.9M0.2%+139,841+4.0%AddedHolders
Q2 20213,534,248$119.6M0.3%+1,227,788+53.2%AddedHolders
Q1 20212,306,460$96.0M0.3%––Holders

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