John Rogers - Ariel Investments,
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    106
Portfolio value:    $8,934,260,435
Holdings Activity Buys Sells    History
Holding/activity history for  The Rubicon Project, Inc. (15R)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2020   Q1 0 0.00 Sell 100.00% <0.01 SEC
2019   Q4 33,130 <0.01 Reduce 38.25% <0.01 $8.15 $270,000 SEC
2019   Q3 53,651 0.01 Reduce 50.26% <0.01 $8.70 $467,000 SEC
2019   Q2 107,858 0.01 Add 25.83% <0.01 $6.36 $686,000 SEC
2019   Q1 85,715 0.01 Reduce 56.16% <0.01 $6.08 $521,000 SEC
2018   Q4 195,499 0.01 Reduce 68.47% 0.01 $3.73 $729,000 SEC
2018   Q3 620,120 0.02 $3.60 $2,232,000 SEC
2018   Q2 620,120 0.02 Buy 0.02 $2.85 $1,767,000 SEC