BIO RAD LABS INC

Ticker: BIO CUSIP: 090572207 Class: COM

ARIEL INVESTMENTS, LLC's Holding History (CIK: 0000936753)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 764,672 Value ($000) $231,688 Avg Close $312.04 Range $280.61 - $343.12

Q3 2025

Shares 809,480 Value ($000) $226,970 Avg Close $272.13 Range $237.63 - $308.44

Q2 2025

Shares 818,624 Value ($000) $197,550 Avg Close $236.40 Range $211.43 - $260.00

Q1 2025

Shares 724,660 Value ($000) $176,498 Avg Close $300.83 Range $235.84 - $373.69

Q4 2024

Shares 560,524 Value ($000) $184,138 Avg Close $339.43 Range $306.42 - $387.99

Q3 2024

Shares 378,695 Value ($000) $126,704 Avg Close $317.61 Range $262.12 - $353.09

Q2 2024

Shares 104,187 Value ($000) $28,455 Avg Close $290.85 Range $266.52 - $346.83

Q1 2024

Shares 65,092 Value ($000) $22,513 Avg Close $328.84 Range $302.65 - $364.24

Q4 2023

Shares 4,477 Value ($000) $1,446 Avg Close $313.43 Range $261.59 - $366.30

Q3 2023

Shares 4,529 Value ($000) $1,623 Avg Close $385.83 Range $349.27 - $431.79

Q2 2023

Shares 4,393 Value ($000) $1,665 Avg Close $406.95 Range $356.51 - $494.05

Q1 2023

Shares 31,797 Value ($000) $15,231 Avg Close $468.12 Range $415.04 - $509.62

Q4 2022

Shares 31,896 Value ($000) $13,412 Avg Close $403.63 Range $344.63 - $457.93

Q3 2022

Shares 66,665 Value ($000) $27,808 Avg Close $498.57 Range $406.24 - $572.70

Q2 2022

Shares 63,903 Value ($000) $31,632 Avg Close $520.81 Range $462.61 - $607.54

Q1 2022

Shares 61,736 Value ($000) $34,771 Avg Close $602.81 Range $524.19 - $752.17

Q4 2021

Shares 55,750 Value ($000) $42,123 Avg Close $748.36 Range $703.67 - $798.97

Q3 2021

Shares 51,940 Value ($000) $38,745 Avg Close $749.10 Range $644.34 - $832.70

Q2 2021

Shares 52,134 Value ($000) $33,589 Avg Close $608.62 Range $569.46 - $657.79

Q1 2021

Shares 51,301 Value ($000) $29,302 Avg Close $592.18 Range $545.00 - $689.00

Q4 2020

Shares 49,311 Value ($000) $28,745 Avg Close $569.50 Range $507.22 - $648.39

Q3 2020

Shares 64,393 Value ($000) $33,192 Avg Close $506.50 Range $443.80 - $540.06

Q2 2020

Shares 72,686 Value ($000) $32,817 Avg Close $441.30 Range $330.00 - $497.42

Q1 2020

Shares 158,814 Value ($000) $55,674 Avg Close $367.68 Range $309.38 - $413.02

Q4 2019

Shares 226,498 Value ($000) $83,811 Avg Close $352.55 Range $319.26 - $376.43

Q3 2019

Shares 224,172 Value ($000) $74,591 Avg Close $326.21 Range $303.82 - $348.39

Q2 2019

Shares 231,318 Value ($000) $72,308 Avg Close $299.43 Range $281.66 - $319.99

Q1 2019

Shares 240,349 Value ($000) $73,470 Avg Close $269.86 Range $223.89 - $323.95

Q4 2018

Shares 224,338 Value ($000) $52,096 Avg Close $268.31 Range $220.05 - $315.00

Q3 2018

Shares 232,661 Value ($000) $72,821 Avg Close $310.39 Range $285.83 - $345.15

Q2 2018

Shares 231,976 Value ($000) $66,934 Avg Close $276.12 Range $240.01 - $304.36

Q1 2018

Shares 251,129 Value ($000) $62,802 Avg Close $254.62 Range $231.00 - $279.59

Q4 2017

Shares 267,520 Value ($000) $63,849 Avg Close $242.32 Range $214.44 - $273.87

Q3 2017

Shares 524,244 Value ($000) $116,498 Avg Close $225.03 Range $208.95 - $242.79

Q2 2017

Shares 574,237 Value ($000) $129,956 Avg Close $217.91 Range $198.25 - $230.40

Q1 2017

Shares 674,360 Value ($000) $134,427 Avg Close $192.61 Range $181.87 - $209.50

Q4 2016

Shares 886,827 Value ($000) $161,651 Avg Close $170.48 Range $154.89 - $184.89

Q3 2016

Shares 958,046 Value ($000) $156,938 Avg Close $151.78 Range $140.53 - $164.45

Q2 2016

Shares 980,851 Value ($000) $140,281 Avg Close $142.64 Range $135.02 - $150.00

Q1 2016

Shares 1,004,492 Value ($000) $137,334 Avg Close $131.28 Range $122.03 - $139.63

Q4 2015

Shares 1,005,947 Value ($000) $139,485 Avg Close $138.61 Range $132.49 - $142.48

Q3 2015

Shares 1,000,161 Value ($000) $134,332 Avg Close $143.92 Range $131.25 - $152.38

Q2 2015

Shares 1,122,983 Value ($000) $169,132 Avg Close $143.07 Range $133.38 - $151.97

Q1 2015

Shares 1,141,142 Value ($000) $154,260 Avg Close $123.95 Range $112.51 - $137.23

Q4 2014

Shares 1,060,567 Value ($000) $127,862 Avg Close $115.09 Range $102.71 - $122.93

Q3 2014

Shares 1,067,226 Value ($000) $121,023 Avg Close $118.49 Range $113.37 - $122.73

Q2 2014

Shares 983,452 Value ($000) $117,729 Avg Close $122.10 Range $117.98 - $131.42

Q1 2014

Shares 1,024,729 Value ($000) $131,288 Avg Close $128.18 Range $120.43 - $134.13

Q4 2013

Shares 1,102,607 Value ($000) $136,293 Avg Close $121.86 Range $115.25 - $125.00

Q3 2013

Shares 1,096,613 Value ($000) $128,918 Avg Close $117.94 Range $111.49 - $126.98

Q2 2013

Shares 1,012,406 Value ($000) $113,592 Avg Close $117.30 Range $110.02 - $127.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	764,672	$231,688	$312.04	$280.61 - $343.12
Q3 2025	809,480	$226,970	$272.13	$237.63 - $308.44
Q2 2025	818,624	$197,550	$236.40	$211.43 - $260.00
Q1 2025	724,660	$176,498	$300.83	$235.84 - $373.69
Q4 2024	560,524	$184,138	$339.43	$306.42 - $387.99
Q3 2024	378,695	$126,704	$317.61	$262.12 - $353.09
Q2 2024	104,187	$28,455	$290.85	$266.52 - $346.83
Q1 2024	65,092	$22,513	$328.84	$302.65 - $364.24
Q4 2023	4,477	$1,446	$313.43	$261.59 - $366.30
Q3 2023	4,529	$1,623	$385.83	$349.27 - $431.79
Q2 2023	4,393	$1,665	$406.95	$356.51 - $494.05
Q1 2023	31,797	$15,231	$468.12	$415.04 - $509.62
Q4 2022	31,896	$13,412	$403.63	$344.63 - $457.93
Q3 2022	66,665	$27,808	$498.57	$406.24 - $572.70
Q2 2022	63,903	$31,632	$520.81	$462.61 - $607.54
Q1 2022	61,736	$34,771	$602.81	$524.19 - $752.17
Q4 2021	55,750	$42,123	$748.36	$703.67 - $798.97
Q3 2021	51,940	$38,745	$749.10	$644.34 - $832.70
Q2 2021	52,134	$33,589	$608.62	$569.46 - $657.79
Q1 2021	51,301	$29,302	$592.18	$545.00 - $689.00
Q4 2020	49,311	$28,745	$569.50	$507.22 - $648.39
Q3 2020	64,393	$33,192	$506.50	$443.80 - $540.06
Q2 2020	72,686	$32,817	$441.30	$330.00 - $497.42
Q1 2020	158,814	$55,674	$367.68	$309.38 - $413.02
Q4 2019	226,498	$83,811	$352.55	$319.26 - $376.43
Q3 2019	224,172	$74,591	$326.21	$303.82 - $348.39
Q2 2019	231,318	$72,308	$299.43	$281.66 - $319.99
Q1 2019	240,349	$73,470	$269.86	$223.89 - $323.95
Q4 2018	224,338	$52,096	$268.31	$220.05 - $315.00
Q3 2018	232,661	$72,821	$310.39	$285.83 - $345.15
Q2 2018	231,976	$66,934	$276.12	$240.01 - $304.36
Q1 2018	251,129	$62,802	$254.62	$231.00 - $279.59
Q4 2017	267,520	$63,849	$242.32	$214.44 - $273.87
Q3 2017	524,244	$116,498	$225.03	$208.95 - $242.79
Q2 2017	574,237	$129,956	$217.91	$198.25 - $230.40
Q1 2017	674,360	$134,427	$192.61	$181.87 - $209.50
Q4 2016	886,827	$161,651	$170.48	$154.89 - $184.89
Q3 2016	958,046	$156,938	$151.78	$140.53 - $164.45
Q2 2016	980,851	$140,281	$142.64	$135.02 - $150.00
Q1 2016	1,004,492	$137,334	$131.28	$122.03 - $139.63
Q4 2015	1,005,947	$139,485	$138.61	$132.49 - $142.48
Q3 2015	1,000,161	$134,332	$143.92	$131.25 - $152.38
Q2 2015	1,122,983	$169,132	$143.07	$133.38 - $151.97
Q1 2015	1,141,142	$154,260	$123.95	$112.51 - $137.23
Q4 2014	1,060,567	$127,862	$115.09	$102.71 - $122.93
Q3 2014	1,067,226	$121,023	$118.49	$113.37 - $122.73
Q2 2014	983,452	$117,729	$122.10	$117.98 - $131.42
Q1 2014	1,024,729	$131,288	$128.18	$120.43 - $134.13
Q4 2013	1,102,607	$136,293	$121.86	$115.25 - $125.00
Q3 2013	1,096,613	$128,918	$117.94	$111.49 - $126.98
Q2 2013	1,012,406	$113,592	$117.30	$110.02 - $127.17