BIO RAD LABS INC

Ticker: BIO CUSIP: 090572207 Class: COM

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q4 2025

Shares 12,350 Value ($000) $3,742 Avg Close $312.04 Range $280.61 - $343.12

Q3 2025

Shares 19,097 Value ($000) $5,355 Avg Close $272.13 Range $237.63 - $308.44

Q2 2025

Shares 14,476 Value ($000) $3,493 Avg Close $236.40 Range $211.43 - $260.00

Q1 2025

Shares 15,654 Value ($000) $3,813 Avg Close $300.83 Range $235.84 - $373.69

Q4 2024

Shares 59,775 Value ($000) $19,637 Avg Close $339.43 Range $306.42 - $387.99

Q3 2024

Shares 55,166 Value ($000) $18,457 Avg Close $317.61 Range $262.12 - $353.09

Q2 2024

Shares 45,969 Value ($000) $12,555 Avg Close $290.85 Range $266.52 - $346.83

Q1 2024

Shares 37,054 Value ($000) $12,816 Avg Close $328.84 Range $302.65 - $364.24

Q4 2023

Shares 39,018 Value ($000) $12,599 Avg Close $313.43 Range $261.59 - $366.30

Q3 2023

Shares 30,838 Value ($000) $11,054 Avg Close $385.83 Range $349.27 - $431.79

Q4 2022

Shares 26,781 Value ($000) $12 Avg Close $403.63 Range $344.63 - $457.93

Q3 2022

Shares 24,640 Value ($000) $9,312 Avg Close $498.57 Range $406.24 - $572.70

Q2 2022

Shares 23,839 Value ($000) $11,683 Avg Close $520.81 Range $462.61 - $607.54

Q1 2022

Shares 20,178 Value ($000) $11,340 Avg Close $602.81 Range $524.19 - $752.17

Q4 2021

Shares 18,923 Value ($000) $10,879 Avg Close $748.36 Range $703.67 - $798.97

Q3 2021

Shares 21,088 Value ($000) $15,892 Avg Close $749.10 Range $644.34 - $832.70

Q2 2021

Shares 25,726 Value ($000) $19,970 Avg Close $608.62 Range $569.46 - $657.79

Q1 2021

Shares 21,812 Value ($000) $13,969 Avg Close $592.18 Range $545.00 - $689.00

Q4 2020

Shares 19,382 Value ($000) $11,529 Avg Close $569.50 Range $507.22 - $648.39

Q3 2020

Shares 12,422 Value ($000) $7,226 Avg Close $506.50 Range $443.80 - $540.06

Q2 2020

Shares 9,014 Value ($000) $4,690 Avg Close $441.30 Range $330.00 - $497.42

Q1 2020

Shares 18,589 Value ($000) $8,049 Avg Close $367.68 Range $309.38 - $413.02

Q4 2019

Shares 19,160 Value ($000) $7,034 Avg Close $352.55 Range $319.26 - $376.43

Q3 2019

Shares 18,506 Value ($000) $6,304 Avg Close $326.21 Range $303.82 - $348.39

Q2 2019

Shares 16,857 Value ($000) $5,200 Avg Close $299.43 Range $281.66 - $319.99

Q1 2019

Shares 18,346 Value ($000) $5,643 Avg Close $269.86 Range $223.89 - $323.95

Q4 2018

Shares 18,414 Value ($000) $4,406 Avg Close $268.31 Range $220.05 - $315.00

Q3 2018

Shares 17,959 Value ($000) $4,963 Avg Close $310.39 Range $285.83 - $345.15

Q2 2018

Shares 15,886 Value ($000) $4,807 Avg Close $276.12 Range $240.01 - $304.36

Q1 2018

Shares 16,375 Value ($000) $4,294 Avg Close $254.62 Range $231.00 - $279.59

Q4 2017

Shares 16,403 Value ($000) $4,173 Avg Close $242.32 Range $214.44 - $273.87

Q3 2017

Shares 16,182 Value ($000) $3,544 Avg Close $225.03 Range $208.95 - $242.79

Q2 2017

Shares 16,682 Value ($000) $3,922 Avg Close $217.91 Range $198.25 - $230.40

Q1 2017

Shares 16,548 Value ($000) $3,604 Avg Close $192.61 Range $181.87 - $209.50

Q4 2016

Shares 15,965 Value ($000) $3,009 Avg Close $170.48 Range $154.89 - $184.89

Q3 2016

Shares 14,904 Value ($000) $2,403 Avg Close $151.78 Range $140.53 - $164.45

Q2 2016

Shares 14,879 Value ($000) $2,288 Avg Close $142.64 Range $135.02 - $150.00

Q1 2016

Shares 14,435 Value ($000) $2,023 Avg Close $131.28 Range $122.03 - $139.63

Q4 2015

Shares 15,009 Value ($000) $1,959 Avg Close $138.61 Range $132.49 - $142.48

Q3 2015

Shares 14,971 Value ($000) $2,011 Avg Close $143.92 Range $131.25 - $152.38

Q2 2015

Shares 29,804 Value ($000) $4,488 Avg Close $143.07 Range $133.38 - $151.97

Q1 2015

Shares 14,997 Value ($000) $2,027 Avg Close $123.95 Range $112.51 - $137.23

Q4 2014

Shares 30,182 Value ($000) $3,638 Avg Close $115.09 Range $102.71 - $122.93

Q3 2014

Shares 15,487 Value ($000) $1,756 Avg Close $118.49 Range $113.37 - $122.73

Q2 2014

Shares 15,087 Value ($000) $1,806 Avg Close $122.10 Range $117.98 - $131.42

Q1 2014

Shares 16,492 Value ($000) $2,113 Avg Close $128.18 Range $120.43 - $134.13

Q4 2013

Shares 16,245 Value ($000) $2,008 Avg Close $121.86 Range $115.25 - $125.00

Q3 2013

Shares 17,563 Value ($000) $2,065 Avg Close $117.94 Range $111.49 - $126.98

Q2 2013

Shares 17,110 Value ($000) $1,920 Avg Close $117.30 Range $110.02 - $127.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,350	$3,742	$312.04	$280.61 - $343.12
Q3 2025	19,097	$5,355	$272.13	$237.63 - $308.44
Q2 2025	14,476	$3,493	$236.40	$211.43 - $260.00
Q1 2025	15,654	$3,813	$300.83	$235.84 - $373.69
Q4 2024	59,775	$19,637	$339.43	$306.42 - $387.99
Q3 2024	55,166	$18,457	$317.61	$262.12 - $353.09
Q2 2024	45,969	$12,555	$290.85	$266.52 - $346.83
Q1 2024	37,054	$12,816	$328.84	$302.65 - $364.24
Q4 2023	39,018	$12,599	$313.43	$261.59 - $366.30
Q3 2023	30,838	$11,054	$385.83	$349.27 - $431.79
Q4 2022	26,781	$12	$403.63	$344.63 - $457.93
Q3 2022	24,640	$9,312	$498.57	$406.24 - $572.70
Q2 2022	23,839	$11,683	$520.81	$462.61 - $607.54
Q1 2022	20,178	$11,340	$602.81	$524.19 - $752.17
Q4 2021	18,923	$10,879	$748.36	$703.67 - $798.97
Q3 2021	21,088	$15,892	$749.10	$644.34 - $832.70
Q2 2021	25,726	$19,970	$608.62	$569.46 - $657.79
Q1 2021	21,812	$13,969	$592.18	$545.00 - $689.00
Q4 2020	19,382	$11,529	$569.50	$507.22 - $648.39
Q3 2020	12,422	$7,226	$506.50	$443.80 - $540.06
Q2 2020	9,014	$4,690	$441.30	$330.00 - $497.42
Q1 2020	18,589	$8,049	$367.68	$309.38 - $413.02
Q4 2019	19,160	$7,034	$352.55	$319.26 - $376.43
Q3 2019	18,506	$6,304	$326.21	$303.82 - $348.39
Q2 2019	16,857	$5,200	$299.43	$281.66 - $319.99
Q1 2019	18,346	$5,643	$269.86	$223.89 - $323.95
Q4 2018	18,414	$4,406	$268.31	$220.05 - $315.00
Q3 2018	17,959	$4,963	$310.39	$285.83 - $345.15
Q2 2018	15,886	$4,807	$276.12	$240.01 - $304.36
Q1 2018	16,375	$4,294	$254.62	$231.00 - $279.59
Q4 2017	16,403	$4,173	$242.32	$214.44 - $273.87
Q3 2017	16,182	$3,544	$225.03	$208.95 - $242.79
Q2 2017	16,682	$3,922	$217.91	$198.25 - $230.40
Q1 2017	16,548	$3,604	$192.61	$181.87 - $209.50
Q4 2016	15,965	$3,009	$170.48	$154.89 - $184.89
Q3 2016	14,904	$2,403	$151.78	$140.53 - $164.45
Q2 2016	14,879	$2,288	$142.64	$135.02 - $150.00
Q1 2016	14,435	$2,023	$131.28	$122.03 - $139.63
Q4 2015	15,009	$1,959	$138.61	$132.49 - $142.48
Q3 2015	14,971	$2,011	$143.92	$131.25 - $152.38
Q2 2015	29,804	$4,488	$143.07	$133.38 - $151.97
Q1 2015	14,997	$2,027	$123.95	$112.51 - $137.23
Q4 2014	30,182	$3,638	$115.09	$102.71 - $122.93
Q3 2014	15,487	$1,756	$118.49	$113.37 - $122.73
Q2 2014	15,087	$1,806	$122.10	$117.98 - $131.42
Q1 2014	16,492	$2,113	$128.18	$120.43 - $134.13
Q4 2013	16,245	$2,008	$121.86	$115.25 - $125.00
Q3 2013	17,563	$2,065	$117.94	$111.49 - $126.98
Q2 2013	17,110	$1,920	$117.30	$110.02 - $127.17