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  Standard Biotools Inc (LAB)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2024   Q2 0 0.00 Sell 100.00% 1.19 SEC
2024   Q1 544,574 1.19 Reduce 1.13% 0.01 $218.46 $118,967,636 SEC
2023   Q4 550,789 1.27 Reduce 19.46% 0.29 $227.29 $125,188,831 SEC
2023   Q3 683,833 1.48 Reduce 0.30% <0.01 $201.05 $137,484,624 SEC
2023   Q2 685,878 1.59 Reduce 3.08% 0.05 $241.33 $165,522,938 SEC
2023   Q1 707,654 1.58 Add 1.16% 0.02 $229.42 $162,349,981 SEC
2022   Q4 699,513 1.68 Reduce 1.48% 0.02 $235.48 $164,721,321 SEC
2022   Q3 710,023 1.60 Reduce 6.17% 0.11 $204.81 $145,421,000 SEC
2022   Q2 756,683 1.77 Add 5.85% 0.10 $234.36 $177,336,000 SEC
2022   Q1 714,847 1.67 Add 3.92% 0.06 $263.66 $188,477,000 SEC
2021   Q4 687,912 1.82 Add 8.47% 0.14 $314.21 $216,149,000 SEC
2021   Q3 634,194 1.63 Reduce 8.07% 0.14 $281.44 $178,488,000 SEC
2021   Q2 689,859 1.79 Reduce 2.42% 0.04 $275.85 $190,298,000 SEC
2021   Q1 707,003 1.78 Add 2.28% 0.04 $255.03 $180,307,000 SEC
2020   Q4 691,256 1.59 Reduce 0.67% 0.01 $203.55 $140,705,000 SEC
2020   Q3 695,892 1.90 Reduce 6.65% 0.13 $188.27 $131,016,000 SEC
2020   Q2 745,438 1.89 Reduce 11.94% 0.22 $166.11 $123,825,000 SEC
2020   Q1 846,517 1.88 Reduce 5.43% 0.10 $126.39 $106,991,000 SEC
2019   Q4 895,100 1.90 Reduce 0.37% <0.01 $169.17 $151,424,000 SEC
2019   Q3 898,411 2.03 Reduce 2.43% 0.05 $168.00 $150,933,000 SEC
2019   Q2 920,817 2.02 Reduce 1.22% 0.02 $172.90 $159,209,000 SEC
2019   Q1 932,207 1.78 Reduce 3.37% 0.06 $152.98 $142,609,000 SEC
2018   Q4 964,759 1.71 Reduce 4.68% 0.09 $126.36 $121,907,000 SEC
2018   Q3 1,012,147 1.96 Reduce 10.70% 0.25 $173.68 $175,790,000 SEC
2018   Q2 1,133,465 2.35 Reduce 4.48% 0.10 $179.53 $203,491,000 SEC
2018   Q1 1,186,682 2.24 Reduce 2.94% 0.07 $161.75 $191,946,000 SEC
2017   Q4 1,222,610 2.26 Reduce 2.03% 0.05 $159.51 $195,019,000 SEC
2017   Q3 1,247,988 2.25 Reduce 9.88% 0.26 $150.97 $188,409,000 SEC
2017   Q2 1,384,816 2.60 Reduce 0.83% 0.02 $154.14 $213,456,000 SEC
2017   Q1 1,396,357 2.45 Reduce 5.03% 0.12 $143.47 $200,335,000 SEC
2016   Q4 1,470,340 2.33 Add 2.19% 0.05 $128.38 $188,762,000 SEC
2016   Q3 1,438,798 2.51 Reduce 5.03% 0.13 $137.48 $197,806,000 SEC
2016   Q2 1,514,925 2.59 Reduce 4.56% 0.11 $130.27 $197,349,000 SEC
2016   Q1 1,587,342 2.35 Reduce 5.25% 0.14 $117.13 $185,925,000 SEC
2015   Q4 1,675,352 2.59 Add 2.95% 0.07 $123.64 $207,141,000 SEC
2015   Q3 1,627,421 2.33 Add 8.41% 0.18 $108.47 $176,526,000 SEC
2015   Q2 1,501,141 2.20 Add 6.86% 0.14 $121.22 $181,968,000 SEC
2015   Q1 1,404,802 2.19 Add 1.31% 0.03 $126.09 $177,131,000 SEC
2014   Q4 1,386,680 1.90 Reduce 0.20% <0.01 $107.90 $149,623,000 SEC
2014   Q3 1,389,464 2.02 Add 27.74% 0.44 $101.75 $141,378,000 SEC
2014   Q2 1,087,739 1.51 Add 5.85% 0.08 $102.40 $111,384,000 SEC
2014   Q1 1,027,635 1.37 Buy 1.37 $98.21 $100,924,000 SEC
2011   Q1 0 0.00 Sell 100.00% 0.65 SEC
2010   Q4 320,811 0.65 Reduce 7.66% 0.05 $87,920.00 $28,205,703,000 SEC
2010   Q3 347,426 0.68 Reduce 22.11% 0.20 $78,430.00 $27,248,621,000 SEC
2010   Q2 446,041 0.89 Reduce 26.93% 0.28 $75,350.00 $33,609,190,000 SEC
2010   Q1 610,416 1.03 Add 0.70% <0.01 $75,710.00 $46,214,596,000 SEC
2009   Q4 606,153 1.08 Add 10.81% 0.11 $74,840.00 $45,364,491,000 SEC
2009   Q3 547,002 1.07 Add 7.46% 0.07 $65,699.94 $35,938,000,000 SEC
2009   Q2 509,027 1.10 Reduce 2.53% 0.03 $67,790.00 $34,506,941,000 SEC
2009   Q1 522,232 1.12 Reduce 7.72% 0.09 $58,490.00 $30,545,350,000 SEC
2008   Q4 565,898 1.17 Add 9.66% 0.10 $64,410.00 $36,449,490,000 SEC
2008   Q3 516,047 0.61 Buy 0.61 $69,500.00 $35,865,267,000 SEC