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  Quest Diagnostics (DGX)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2020   Q2 0 0.00 Sell 100.00% 0.83 SEC
2020   Q1 592,375 0.83 Add 47.55% 0.27 $80.30 $47,568,000 SEC
2019   Q4 401,466 0.54 Reduce 2.34% 0.01 $106.79 $42,873,000 SEC
2019   Q3 411,068 0.59 Add 2.76% 0.02 $107.03 $43,997,000 SEC
2019   Q2 400,014 0.52 Add 1.59% <0.01 $101.81 $40,725,000 SEC
2019   Q1 393,751 0.44 Add 11.22% 0.04 $89.92 $35,406,000 SEC
2018   Q4 354,042 0.41 Add 36.03% 0.11 $83.27 $29,481,000 SEC
2018   Q3 260,261 0.31 Add 6.84% 0.02 $107.91 $28,085,000 SEC
2018   Q2 243,599 0.31 Add 1.31% <0.01 $109.94 $26,781,000 SEC
2018   Q1 240,442 0.28 Reduce 3.10% <0.01 $100.30 $24,116,000 SEC
2017   Q4 248,132 0.28 Add 85.39% 0.13 $98.49 $24,439,000 SEC
2017   Q3 133,840 0.15 Reduce 18.47% 0.04 $93.64 $12,533,000 SEC
2017   Q2 164,157 0.22 Reduce 25.59% 0.07 $111.16 $18,248,000 SEC
2017   Q1 220,617 0.26 Reduce 40.68% 0.17 $98.19 $21,662,000 SEC
2016   Q4 371,880 0.42 Reduce 8.17% 0.04 $91.90 $34,176,000 SEC
2016   Q3 404,984 0.43 Reduce 10.90% 0.05 $84.63 $34,274,000 SEC
2016   Q2 454,535 0.49 Reduce 39.16% 0.26 $81.41 $37,004,000 SEC
2016   Q1 747,094 0.67 Add 7.77% 0.05 $71.45 $53,380,000 SEC
2015   Q4 693,253 0.62 Reduce 0.36% <0.01 $71.14 $49,318,000 SEC
2015   Q3 695,732 0.56 Add 19.84% 0.09 $61.47 $42,767,000 SEC
2015   Q2 580,555 0.51 Add 12.52% 0.06 $72.52 $42,102,000 SEC
2015   Q1 515,958 0.49 Add 33.49% 0.12 $76.85 $39,651,000 SEC
2014   Q4 386,508 0.33 Add 10.78% 0.03 $67.06 $25,919,000 SEC
2014   Q3 348,910 0.30 Reduce 1.14% <0.01 $60.68 $21,172,000 SEC
2014   Q2 352,928 0.28 Add 19.57% 0.05 $58.69 $20,713,000 SEC
2014   Q1 295,159 0.23 Add 10.11% 0.02 $57.92 $17,096,000 SEC
2013   Q4 268,053 0.20 Add 447.73% 0.16 $53.54 $14,352,000 SEC
2013   Q3 48,939 0.05 Add 557.34% 0.04 $61.79 $3,024,000 SEC
2013   Q2 7,445 0.01 $60.58 $451,000 SEC
2013   Q1 7,445 0.01 Add 38.93% <0.01 $56.41 $420,000 SEC
2012   Q4 5,359 0.01 $58.22 $312,000 SEC
2012   Q3 5,359 0.01 $63.44 $340,000 SEC
2012   Q2 5,359 0.01 Buy 0.01 $59.90 $321,000 SEC