BIO RAD LABS INC

Ticker: BIO CUSIP: 090572207 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2025

Shares 76,271 Value ($000) $23 Avg Close $312.04 Range $280.61 - $343.12

Q3 2025

Shares 75,477 Value ($000) $21 Avg Close $272.13 Range $237.63 - $308.44

Q2 2025

Shares 36,823 Value ($000) $9 Avg Close $236.40 Range $211.43 - $260.00

Q1 2025

Shares 29,475 Value ($000) $7 Avg Close $300.83 Range $235.84 - $373.69

Q4 2024

Shares 29,144 Value ($000) $10 Avg Close $339.43 Range $306.42 - $387.99

Q3 2024

Shares 27,620 Value ($000) $9 Avg Close $317.61 Range $262.12 - $353.09

Q2 2024

Shares 45,350 Value ($000) $12 Avg Close $290.85 Range $266.52 - $346.83

Q1 2024

Shares 44,582 Value ($000) $15 Avg Close $328.84 Range $302.65 - $364.24

Q4 2023

Shares 43,834 Value ($000) $14 Avg Close $313.43 Range $261.59 - $366.30

Q3 2023

Shares 45,947 Value ($000) $16 Avg Close $385.83 Range $349.27 - $431.79

Q2 2023

Shares 51,122 Value ($000) $19 Avg Close $406.95 Range $356.51 - $494.05

Q1 2023

Shares 51,472 Value ($000) $25 Avg Close $468.12 Range $415.04 - $509.62

Q4 2022

Shares 55,828 Value ($000) $23 Avg Close $403.63 Range $344.63 - $457.93

Q3 2022

Shares 67,278 Value ($000) $28,065 Avg Close $498.57 Range $406.24 - $572.70

Q2 2022

Shares 66,939 Value ($000) $33,135 Avg Close $520.81 Range $462.61 - $607.54

Q1 2022

Shares 70,384 Value ($000) $39,642 Avg Close $602.81 Range $524.19 - $752.17

Q4 2021

Shares 73,457 Value ($000) $55,502 Avg Close $748.36 Range $703.67 - $798.97

Q3 2021

Shares 74,206 Value ($000) $55,354 Avg Close $749.10 Range $644.34 - $832.70

Q2 2021

Shares 81,991 Value ($000) $52,826 Avg Close $608.62 Range $569.46 - $657.79

Q1 2021

Shares 72,670 Value ($000) $41,507 Avg Close $592.18 Range $545.00 - $689.00

Q4 2020

Shares 36,507 Value ($000) $21,281 Avg Close $569.50 Range $507.22 - $648.39

Q3 2020

Shares 92,918 Value ($000) $47,896 Avg Close $506.50 Range $443.80 - $540.06

Q2 2020

Shares 112,331 Value ($000) $50,716 Avg Close $441.30 Range $330.00 - $497.42

Q1 2020

Shares 155,736 Value ($000) $54,595 Avg Close $367.68 Range $309.38 - $413.02

Q4 2019

Shares 155,207 Value ($000) $57,431 Avg Close $352.55 Range $319.26 - $376.43

Q3 2019

Shares 154,969 Value ($000) $51,564 Avg Close $326.21 Range $303.82 - $348.39

Q2 2019

Shares 157,141 Value ($000) $49,121 Avg Close $299.43 Range $281.66 - $319.99

Q1 2019

Shares 158,001 Value ($000) $48,298 Avg Close $269.86 Range $223.89 - $323.95

Q4 2018

Shares 159,887 Value ($000) $37,129 Avg Close $268.31 Range $220.05 - $315.00

Q3 2018

Shares 150,904 Value ($000) $47,231 Avg Close $310.39 Range $285.83 - $345.15

Q2 2018

Shares 144,839 Value ($000) $41,792 Avg Close $276.12 Range $240.01 - $304.36

Q1 2018

Shares 139,149 Value ($000) $34,798 Avg Close $254.62 Range $231.00 - $279.59

Q4 2017

Shares 138,896 Value ($000) $33,150 Avg Close $242.32 Range $214.44 - $273.87

Q3 2017

Shares 137,751 Value ($000) $30,611 Avg Close $225.03 Range $208.95 - $242.79

Q2 2017

Shares 129,399 Value ($000) $29,284 Avg Close $217.91 Range $198.25 - $230.40

Q1 2017

Shares 131,374 Value ($000) $26,188 Avg Close $192.61 Range $181.87 - $209.50

Q4 2016

Shares 116,139 Value ($000) $21,170 Avg Close $170.48 Range $154.89 - $184.89

Q3 2016

Shares 119,037 Value ($000) $19,499 Avg Close $151.78 Range $140.53 - $164.45

Q2 2016

Shares 114,237 Value ($000) $16,338 Avg Close $142.64 Range $135.02 - $150.00

Q1 2016

Shares 115,752 Value ($000) $15,826 Avg Close $131.28 Range $122.03 - $139.63

Q4 2015

Shares 121,832 Value ($000) $16,893 Avg Close $138.61 Range $132.49 - $142.48

Q3 2015

Shares 113,590 Value ($000) $15,256 Avg Close $143.92 Range $131.25 - $152.38

Q2 2015

Shares 90,490 Value ($000) $13,629 Avg Close $143.07 Range $133.38 - $151.97

Q1 2015

Shares 51,590 Value ($000) $6,974 Avg Close $123.95 Range $112.51 - $137.23

Q4 2014

Shares 47,290 Value ($000) $5,701 Avg Close $115.09 Range $102.71 - $122.93

Q3 2014

Shares 50,690 Value ($000) $5,748 Avg Close $118.49 Range $113.37 - $122.73

Q2 2014

Shares 50,690 Value ($000) $6,068 Avg Close $122.10 Range $117.98 - $131.42

Q1 2014

Shares 48,290 Value ($000) $6,187 Avg Close $128.18 Range $120.43 - $134.13

Q4 2013

Shares 48,490 Value ($000) $5,994 Avg Close $121.86 Range $115.25 - $125.00

Q3 2013

Shares 49,090 Value ($000) $5,771 Avg Close $117.94 Range $111.49 - $126.98

Q2 2013

Shares 49,690 Value ($000) $5,575 Avg Close $117.30 Range $110.02 - $127.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	76,271	$23	$312.04	$280.61 - $343.12
Q3 2025	75,477	$21	$272.13	$237.63 - $308.44
Q2 2025	36,823	$9	$236.40	$211.43 - $260.00
Q1 2025	29,475	$7	$300.83	$235.84 - $373.69
Q4 2024	29,144	$10	$339.43	$306.42 - $387.99
Q3 2024	27,620	$9	$317.61	$262.12 - $353.09
Q2 2024	45,350	$12	$290.85	$266.52 - $346.83
Q1 2024	44,582	$15	$328.84	$302.65 - $364.24
Q4 2023	43,834	$14	$313.43	$261.59 - $366.30
Q3 2023	45,947	$16	$385.83	$349.27 - $431.79
Q2 2023	51,122	$19	$406.95	$356.51 - $494.05
Q1 2023	51,472	$25	$468.12	$415.04 - $509.62
Q4 2022	55,828	$23	$403.63	$344.63 - $457.93
Q3 2022	67,278	$28,065	$498.57	$406.24 - $572.70
Q2 2022	66,939	$33,135	$520.81	$462.61 - $607.54
Q1 2022	70,384	$39,642	$602.81	$524.19 - $752.17
Q4 2021	73,457	$55,502	$748.36	$703.67 - $798.97
Q3 2021	74,206	$55,354	$749.10	$644.34 - $832.70
Q2 2021	81,991	$52,826	$608.62	$569.46 - $657.79
Q1 2021	72,670	$41,507	$592.18	$545.00 - $689.00
Q4 2020	36,507	$21,281	$569.50	$507.22 - $648.39
Q3 2020	92,918	$47,896	$506.50	$443.80 - $540.06
Q2 2020	112,331	$50,716	$441.30	$330.00 - $497.42
Q1 2020	155,736	$54,595	$367.68	$309.38 - $413.02
Q4 2019	155,207	$57,431	$352.55	$319.26 - $376.43
Q3 2019	154,969	$51,564	$326.21	$303.82 - $348.39
Q2 2019	157,141	$49,121	$299.43	$281.66 - $319.99
Q1 2019	158,001	$48,298	$269.86	$223.89 - $323.95
Q4 2018	159,887	$37,129	$268.31	$220.05 - $315.00
Q3 2018	150,904	$47,231	$310.39	$285.83 - $345.15
Q2 2018	144,839	$41,792	$276.12	$240.01 - $304.36
Q1 2018	139,149	$34,798	$254.62	$231.00 - $279.59
Q4 2017	138,896	$33,150	$242.32	$214.44 - $273.87
Q3 2017	137,751	$30,611	$225.03	$208.95 - $242.79
Q2 2017	129,399	$29,284	$217.91	$198.25 - $230.40
Q1 2017	131,374	$26,188	$192.61	$181.87 - $209.50
Q4 2016	116,139	$21,170	$170.48	$154.89 - $184.89
Q3 2016	119,037	$19,499	$151.78	$140.53 - $164.45
Q2 2016	114,237	$16,338	$142.64	$135.02 - $150.00
Q1 2016	115,752	$15,826	$131.28	$122.03 - $139.63
Q4 2015	121,832	$16,893	$138.61	$132.49 - $142.48
Q3 2015	113,590	$15,256	$143.92	$131.25 - $152.38
Q2 2015	90,490	$13,629	$143.07	$133.38 - $151.97
Q1 2015	51,590	$6,974	$123.95	$112.51 - $137.23
Q4 2014	47,290	$5,701	$115.09	$102.71 - $122.93
Q3 2014	50,690	$5,748	$118.49	$113.37 - $122.73
Q2 2014	50,690	$6,068	$122.10	$117.98 - $131.42
Q1 2014	48,290	$6,187	$128.18	$120.43 - $134.13
Q4 2013	48,490	$5,994	$121.86	$115.25 - $125.00
Q3 2013	49,090	$5,771	$117.94	$111.49 - $126.98
Q2 2013	49,690	$5,575	$117.30	$110.02 - $127.17