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)
← All LAB superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2024   Q2 0 0.00 Sell 100.00% 1.19 $1.60–3.04 · VW $2.30i SEC
2024   Q1 544,574 1.19 Reduce 1.13% 0.01 $1.74–2.91 · VW $2.37i $118,967,636 SEC
2023   Q4 550,789 1.27 Reduce 19.46% 0.29 $1.57–2.97 · VW $2.24i $125,188,831 SEC
2023   Q3 683,833 1.48 Reduce 0.30% <0.01 $1.88–3.16 · VW $2.74i $137,484,624 SEC
2023   Q2 685,878 1.59 Reduce 3.08% 0.05 $1.46–2.65 · VW $2.06i $165,522,938 SEC
2023   Q1 707,654 1.58 Add 1.16% 0.02 $1.16–2.38 · VW $1.91i $162,349,981 SEC
2022   Q4 699,513 1.68 Reduce 1.48% 0.02 $0.92–1.57 · VW $1.26i $164,721,321 SEC
2022   Q3 710,023 1.60 Reduce 6.17% 0.11 $1.08–2.07 · VW $1.50i $145,421,000 SEC
2022   Q2 756,683 1.77 Add 5.85% 0.10 $1.57–4.23 · VW $2.19i $177,336,000 SEC
2022   Q1 714,847 1.67 Add 3.92% 0.06 $2.67–4.19 · VW $3.49i $188,477,000 SEC
2021   Q4 687,912 1.82 Add 8.47% 0.14 $3.59–6.65 · VW $4.68i $216,149,000 SEC
2021   Q3 634,194 1.63 Reduce 8.07% 0.14 $5.40–7.51 · VW $6.82i $178,488,000 SEC
2021   Q2 689,859 1.79 Reduce 2.42% 0.04 $4.03–6.61 · VW $5.33i $190,298,000 SEC
2021   Q1 707,003 1.78 Add 2.28% 0.04 $3.71–7.50 · VW $5.54i $180,307,000 SEC
2020   Q4 691,256 1.59 Reduce 0.67% 0.01 $5.10–9.24 · VW $6.54i $140,705,000 SEC
2020   Q3 695,892 1.90 Reduce 6.65% 0.13 $3.91–12.45 · VW $8.10i $131,016,000 SEC
2020   Q2 745,438 1.89 Reduce 11.94% 0.22 $1.67–5.74 · VW $3.86i $123,825,000 SEC
2020   Q1 846,517 1.88 Reduce 5.43% 0.10 $1.17–4.46 · VW $3.24i $106,991,000 SEC
2019   Q4 895,100 1.90 Reduce 0.37% <0.01 $2.12–5.23 · VW $3.50i $151,424,000 SEC
2019   Q3 898,411 2.03 Reduce 2.43% 0.05 $4.59–12.45 · VW $7.82i $150,933,000 SEC
2019   Q2 920,817 2.02 Reduce 1.22% 0.02 $11.25–14.30 · VW $12.88i $159,209,000 SEC
2019   Q1 932,207 1.78 Reduce 3.37% 0.06 $8.10–14.90 · VW $10.71i $142,609,000 SEC
2018   Q4 964,759 1.71 Reduce 4.68% 0.09 $6.80–9.08 · VW $7.99i $121,907,000 SEC
2018   Q3 1,012,147 1.96 Reduce 10.70% 0.25 $5.50–8.62 · VW $7.24i $175,790,000 SEC
2018   Q2 1,133,465 2.35 Reduce 4.48% 0.10 $4.65–6.39 · VW $5.69i $203,491,000 SEC
2018   Q1 1,186,682 2.24 Reduce 2.94% 0.07 $5.46–8.38 · VW $6.48i $191,946,000 SEC
2017   Q4 1,222,610 2.26 Reduce 2.03% 0.05 $4.43–6.78 · VW $5.65i $195,019,000 SEC
2017   Q3 1,247,988 2.25 Reduce 9.88% 0.26 $2.52–5.60 · VW $4.10i $188,409,000 SEC
2017   Q2 1,384,816 2.60 Reduce 0.83% 0.02 $3.54–6.20 · VW $4.75i $213,456,000 SEC
2017   Q1 1,396,357 2.45 Reduce 5.03% 0.12 $4.75–8.69 · VW $6.38i $200,335,000 SEC
2016   Q4 1,470,340 2.33 Add 2.19% 0.05 $4.31–8.31 · VW $6.09i $188,762,000 SEC
2016   Q3 1,438,798 2.51 Reduce 5.03% 0.13 $7.76–10.94 · VW $9.32i $197,806,000 SEC
2016   Q2 1,514,925 2.59 Reduce 4.56% 0.11 $7.97–11.05 · VW $9.40i $197,349,000 SEC
2016   Q1 1,587,342 2.35 Reduce 5.25% 0.14 $4.84–10.98 · VW $7.20i $185,925,000 SEC
2015   Q4 1,675,352 2.59 Add 2.95% 0.07 $7.20–12.09 · VW $10.37i $207,141,000 SEC
2015   Q3 1,627,421 2.33 Add 8.41% 0.18 $7.87–24.43 · VW $14.26i $176,526,000 SEC
2015   Q2 1,501,141 2.20 Add 6.86% 0.14 $22.00–45.64 · VW $29.09i $181,968,000 SEC
2015   Q1 1,404,802 2.19 Add 1.31% 0.03 $32.43–46.38 · VW $40.23i $177,131,000 SEC
2014   Q4 1,386,680 1.90 Reduce 0.20% <0.01 $21.71–34.17 · VW $29.32i $149,623,000 SEC
2014   Q3 1,389,464 2.02 Add 27.74% 0.44 $24.41–32.48 · VW $28.15i $141,378,000 SEC
2014   Q2 1,087,739 1.51 Add 5.85% 0.08 $24.90–46.02 · VW $32.96i $111,384,000 SEC
2014   Q1 1,027,635 1.37 Buy 1.37 $34.77–49.46 · VW $43.86i $100,924,000 SEC
2011   Q1 0 0.00 Sell 100.00% 0.65 $13.65–16.97 · VW $14.98i
IPO/listing quarter
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% 0.08 $58,490.00 $30,545,350,000 SEC
2008   Q4 565,898 1.02 Add 9.66% 0.09 $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
Price snapshot:
Current price$0.85
52-week low$0.70
52-week high$1.72