John Rogers - Ariel Investments,
Holding/activity history for Bio-Rad Laboratories Inc. (BIO)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 785,961 | 2.45 | Add 2.78% | 0.07 | $278.75 | $219,086,629 | SEC |
| 2025 Q4 | 764,672 | 2.50 | Reduce 5.54% | 0.13 | $302.99 | $231,687,970 | SEC |
| 2025 Q3 | 809,480 | 2.43 | Reduce 1.12% | 0.03 | $280.39 | $226,970,097 | SEC |
| 2025 Q2 | 818,624 | 2.25 | Add 12.97% | 0.26 | $241.32 | $197,550,343 | SEC |
| 2025 Q1 | 724,660 | 2.08 | Add 29.28% | 0.47 | $243.56 | $176,498,189 | SEC |
| 2024 Q4 | 560,524 | 1.99 | Add 48.01% | 0.65 | $328.51 | $184,137,739 | SEC |
| 2024 Q3 | 378,695 | 1.31 | Add 263.48% | 0.95 | $334.58 | $126,703,773 | SEC |
| 2024 Q2 | 104,187 | 0.31 | Add 60.06% | 0.12 | $273.11 | $28,454,512 | SEC |
| 2024 Q1 | 65,092 | 0.23 | Add 1,353.92% | 0.21 | $345.87 | $22,513,370 | SEC |
| 2023 Q4 | 4,477 | 0.01 | Reduce 1.15% | <0.01 | $322.89 | $1,445,579 | SEC |
| 2023 Q3 | 4,529 | 0.02 | Add 3.10% | <0.01 | $358.45 | $1,623,420 | SEC |
| 2023 Q2 | 4,393 | 0.02 | Reduce 86.18% | 0.13 | $379.12 | $1,665,474 | SEC |
| 2023 Q1 | 31,797 | 0.15 | Reduce 0.31% | <0.01 | $479.02 | $15,231,398 | SEC |
| 2022 Q4 | 31,896 | 0.14 | Reduce 52.15% | 0.16 | $420.49 | $13,411,948 | SEC |
| 2022 Q3 | 66,665 | 0.31 | Add 4.32% | 0.01 | $417.13 | $27,808,000 | SEC |
| 2022 Q2 | 63,903 | 0.32 | Add 3.51% | 0.01 | $495.00 | $31,632,000 | SEC |
| 2022 Q1 | 61,736 | 0.31 | Add 10.74% | 0.03 | $563.22 | $34,771,000 | SEC |
| 2021 Q4 | 55,750 | 0.36 | Add 7.34% | 0.02 | $755.57 | $42,123,000 | SEC |
| 2021 Q3 | 51,940 | 0.35 | Reduce 0.37% | <0.01 | $745.96 | $38,745,000 | SEC |
| 2021 Q2 | 52,134 | 0.32 | Add 1.62% | <0.01 | $644.28 | $33,589,000 | SEC |
| 2021 Q1 | 51,301 | 0.29 | Add 4.04% | 0.01 | $571.18 | $29,302,000 | SEC |
| 2020 Q4 | 49,311 | 0.32 | Reduce 23.42% | 0.11 | $582.93 | $28,745,000 | SEC |
| 2020 Q3 | 64,393 | 0.48 | Reduce 11.41% | 0.06 | $515.46 | $33,192,000 | SEC |
| 2020 Q2 | 72,686 | 0.50 | Reduce 54.23% | 0.53 | $451.49 | $32,817,000 | SEC |
| 2020 Q1 | 158,814 | 0.98 | Reduce 29.88% | 0.31 | $350.56 | $55,674,000 | SEC |
| 2019 Q4 | 226,498 | 1.05 | Add 1.04% | 0.01 | $370.03 | $83,811,000 | SEC |
| 2019 Q3 | 224,172 | 1.00 | Reduce 3.09% | 0.03 | $332.74 | $74,591,000 | SEC |
| 2019 Q2 | 231,318 | 0.92 | Reduce 3.76% | 0.03 | $312.59 | $72,308,000 | SEC |
| 2019 Q1 | 240,349 | 0.92 | Add 7.14% | 0.06 | $305.68 | $73,470,000 | SEC |
| 2018 Q4 | 224,338 | 0.73 | Reduce 3.58% | 0.03 | $232.22 | $52,096,000 | SEC |
| 2018 Q3 | 232,661 | 0.81 | Add 0.30% | <0.01 | $312.99 | $72,821,000 | SEC |
| 2018 Q2 | 231,976 | 0.77 | Reduce 7.63% | 0.06 | $288.54 | $66,934,000 | SEC |
| 2018 Q1 | 251,129 | 0.73 | Reduce 6.13% | 0.05 | $250.08 | $62,802,000 | SEC |
| 2017 Q4 | 267,520 | 0.74 | Reduce 48.97% | 0.68 | $238.67 | $63,849,000 | SEC |
| 2017 Q3 | 524,244 | 1.39 | Reduce 8.71% | 0.14 | $222.22 | $116,498,000 | SEC |
| 2017 Q2 | 574,237 | 1.58 | Reduce 14.85% | 0.24 | $226.31 | $129,956,000 | SEC |
| 2017 Q1 | 674,360 | 1.64 | Reduce 23.96% | 0.48 | $199.34 | $134,427,000 | SEC |
| 2016 Q4 | 886,827 | 1.99 | Reduce 7.43% | 0.15 | $182.28 | $161,651,000 | SEC |
| 2016 Q3 | 958,046 | 1.99 | Reduce 2.33% | 0.04 | $163.81 | $156,938,000 | SEC |
| 2016 Q2 | 980,851 | 1.84 | Reduce 2.35% | 0.04 | $143.02 | $140,281,000 | SEC |
| 2016 Q1 | 1,004,492 | 1.74 | Reduce 0.14% | <0.01 | $136.72 | $137,334,000 | SEC |
| 2015 Q4 | 1,005,947 | 1.75 | Add 0.58% | 0.01 | $138.66 | $139,485,000 | SEC |
| 2015 Q3 | 1,000,161 | 1.77 | Reduce 10.94% | 0.22 | $134.31 | $134,332,000 | SEC |
| 2015 Q2 | 1,122,983 | 2.04 | Reduce 1.59% | 0.03 | $150.61 | $169,132,000 | SEC |
| 2015 Q1 | 1,141,142 | 1.90 | Add 7.60% | 0.13 | $135.18 | $154,260,000 | SEC |
| 2014 Q4 | 1,060,567 | 1.63 | Reduce 0.62% | 0.01 | $120.56 | $127,862,000 | SEC |
| 2014 Q3 | 1,067,226 | 1.73 | Add 8.52% | 0.14 | $113.40 | $121,023,000 | SEC |
| 2014 Q2 | 983,452 | 1.60 | Reduce 4.03% | 0.07 | $119.71 | $117,729,000 | SEC |
| 2014 Q1 | 1,024,729 | 1.79 | Reduce 7.06% | 0.13 | $128.12 | $131,288,000 | SEC |
| 2013 Q4 | 1,102,607 | 1.88 | Add 0.55% | 0.01 | $123.61 | $136,293,000 | SEC |
| 2013 Q3 | 1,096,613 | 2.14 | Add 8.32% | 0.16 | $117.56 | $128,918,000 | SEC |
| 2013 Q2 | 1,012,406 | 2.15 | Reduce 0.95% | 0.02 | $112.20 | $113,592,000 | SEC |
| 2013 Q1 | 1,022,110 | 2.55 | Add 3.70% | 0.09 | $126.00 | $128,786,000 | SEC |
| 2012 Q4 | 985,662 | 2.47 | Add 0.44% | 0.01 | $105.05 | $103,544,000 | SEC |
| 2012 Q3 | 981,365 | 2.60 | Reduce 0.32% | <0.01 | $106.72 | $104,731,000 | SEC |
| 2012 Q2 | 984,562 | 2.54 | Add 0.41% | 0.01 | $100.01 | $98,466,000 | SEC |
| 2012 Q1 | 980,572 | 2.46 | Add 0.04% | <0.01 | $103.69 | $101,676,000 | SEC |
| 2011 Q4 | 980,196 | 2.54 | Reduce 1.05% | 0.03 | $96.04 | $94,138,000 | SEC |
| 2011 Q3 | 990,620 | 2.82 | Reduce 19.71% | 0.64 | $90.77 | $89,919,000 | SEC |
| 2011 Q2 | 1,233,860 | 3.23 | Reduce 15.32% | 0.69 | $119.36 | $147,274,000 | SEC |
| 2011 Q1 | 1,457,091 | 4.51 | Reduce 2.26% | 0.08 | $120,140.00 | $175,054,913,000 | SEC |
| 2010 Q4 | 1,490,753 | 3.57 | Reduce 1.08% | 0.04 | $103,850.00 | $154,814,699,000 | SEC |
| 2010 Q3 | 1,507,031 | 3.41 | Add 1.29% | 0.04 | $90,510.00 | $136,401,376,000 | SEC |
| 2010 Q2 | 1,487,803 | 3.41 | Add 6.39% | 0.20 | $86,490.00 | $128,680,081,000 | SEC |
| 2010 Q1 | 1,398,473 | 3.23 | Reduce 3.69% | 0.12 | $103,520.00 | $144,769,925,000 | SEC |
| 2009 Q4 | 1,452,070 | 3.33 | Buy | 3.33 | $96,460.00 | $140,066,672,000 | SEC |
| 2009 Q3 | 0 | 0.00 | Sell 100.00% | 3.38 | SEC | ||
| 2009 Q2 | 1,405,109 | 3.38 | Reduce 8.61% | 0.32 | $75,480.00 | $106,057,627,000 | SEC |
| 2009 Q1 | 1,537,509 | 3.71 | Reduce 6.59% | 0.26 | $65,900.00 | $101,321,843,000 | SEC |
| 2008 Q4 | 1,645,964 | 3.98 | Reduce 23.51% | 0.85 | $75,310.00 | $123,957,549,000 | SEC |
| 2008 Q3 | 2,151,974 | 3.63 | Reduce 15.12% | 0.42 | $99,120.00 | $213,303,663,000 | SEC |
| 2008 Q2 | 2,535,449 | 2.76 | Buy | 2.76 | $80,890.00 | $205,092,469,000 | SEC |
| 2006 Q3 | 0 | 0.00 | Sell 100.00% | 0.94 | SEC | ||
| 2006 Q2 | 1,938,355 | 0.94 | Buy | 0.94 | $64,939.60 | $125,876,000,000 | SEC |