Superinvestor Tracker
← All Investors

MAGNITE INC

MGNI

Holders

6

Combined Value

$44M

Combined Shares

3,756,260

Current Price

$18.24

52W High

$26.65

vs 52W High

−31.6%

Investor Activity

$8.87$15.14$21.41$27.68Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25Q1'26▲4▲4▲3 ▼2▲2 ▼3▲2 ▼3▲5 ▼2▲2 ▼5▲5 ▼3
BUYSELLImplied priceClick a quarter to see who traded

Held By

InvestorValue% of PortfolioAvg Buy PriceGainLast ActivityAs of
Ken Griffin - Citadel Advisors$26M0.00%~$15.23+19.8%Bought Q1 2026Q1 2026
Israel Englander - Millennium Management$14M0.01%~$12.21+49.3%Bought Q1 2026Q1 2026
Paul Tudor Jones - Tudor Investment$1.5M0.00%~$21.78−16.3%Sold Q1 2026Q1 2026
Cliff Asness - AQR Capital$1.4M0.00%~$17.03+7.1%Bought Q1 2026Q1 2026
Mario Gabelli - GAMCO Investors$720K0.01%~$13.30+37.1%Bought Q1 2026Q1 2026
Joel Greenblatt - Gotham Asset Management$153K0.00%~$11.88+53.5%Bought Q1 2026Q1 2026

Recent Activity

QuarterInvestorActionEst. ValueEst. Price
Q1 2026Israel Englander - Millennium ManagementBUY+$14M~$11.88
Q1 2026Ken Griffin - Citadel AdvisorsBUY+$5.4M~$11.88
Q1 2026Paul Tudor Jones - Tudor InvestmentSELL−$2.0M~$11.88
Q1 2026Ray Dalio - Bridgewater AssociatesSOLD OUT−$2.4M~$16.23
Q1 2026Cliff Asness - AQR CapitalBUY+$281K~$11.88
Q1 2026Steve Cohen - Point72SOLD OUT−$381K~$16.23
Q1 2026Mario Gabelli - GAMCO InvestorsBUY+$192K~$11.88
Q1 2026Joel Greenblatt - Gotham Asset ManagementNEW BUY+$153K~$11.88
Q4 2025Ken Griffin - Citadel AdvisorsBUY+$12M~$16.23
Q4 2025Israel Englander - Millennium ManagementSELL−$10M~$16.23
Q4 2025Steve Cohen - Point72SELL−$4.6M~$16.23
Q4 2025Paul Tudor Jones - Tudor InvestmentSELL−$2.9M~$16.23
Q4 2025Cliff Asness - AQR CapitalBUY+$802K~$16.23
Q4 2025Mario Gabelli - GAMCO InvestorsSELL−$194K~$16.23
Q4 2025Ray Dalio - Bridgewater AssociatesSELL−$7.9K~$16.23
Q3 2025Israel Englander - Millennium ManagementNEW BUY+$15M~$21.78
Q3 2025Ken Griffin - Citadel AdvisorsSELL−$13M~$21.78
Q3 2025Paul Tudor Jones - Tudor InvestmentNEW BUY+$10M~$21.78
Q3 2025Steve Cohen - Point72NEW BUY+$6.6M~$21.78
Q3 2025Ray Dalio - Bridgewater AssociatesNEW BUY+$3.2M~$21.78
Q3 2025Cliff Asness - AQR CapitalBUY+$590K~$21.78
Q3 2025Mario Gabelli - GAMCO InvestorsSELL−$67K~$21.78
Q2 2025Ken Griffin - Citadel AdvisorsBUY+$10M~$24.12
Q2 2025Israel Englander - Millennium ManagementSOLD OUT−$5.0M~$11.41
Q2 2025Paul Tudor Jones - Tudor InvestmentSOLD OUT−$424K~$11.41

Ownership History

PeriodHoldersTotal SharesΔ SharesTotal ValueImplied Price
Q1 202663,756,260+56.8%$44M$11.88
Q4 202572,396,137−12.1%$38M$16.23
Q3 202572,726,746+60.7%$59M$21.78
Q2 202531,696,945−2.7%$40M$24.12
Q1 202551,744,069+18.9%$19M$11.41
Q4 202451,466,601−22.9%$23M$15.92
Q3 202441,901,306+87.7%$26M$13.85
Q2 202441,013,085—$13M$13.29