BIO RAD LABS INC

Ticker: BIO CUSIP: 090572207 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2025

Shares 9,480 Value ($000) $2,872 Avg Close $312.04 Range $280.61 - $343.12

Q3 2025

Shares 50,306 Value ($000) $14,105 Avg Close $272.13 Range $237.63 - $308.44

Q2 2025

Shares 2,618 Value ($000) $632 Avg Close $236.40 Range $211.43 - $260.00

Q1 2025

Shares 12,811 Value ($000) $3,120 Avg Close $300.83 Range $235.84 - $373.69

Q4 2024

Shares 864 Value ($000) $284 Avg Close $339.43 Range $306.42 - $387.99

Q3 2024

Shares 20,493 Value ($000) $6,857 Avg Close $317.61 Range $262.12 - $353.09

Q1 2024

Shares 38,070 Value ($000) $13,167 Avg Close $328.84 Range $302.65 - $364.24

Q4 2023

Shares 21,853 Value ($000) $7,056 Avg Close $313.43 Range $261.59 - $366.30

Q3 2023

Shares 4,980 Value ($000) $1,785 Avg Close $385.83 Range $349.27 - $431.79

Q2 2023

Shares 42,267 Value ($000) $16,024 Avg Close $406.95 Range $356.51 - $494.05

Q1 2023

Shares 60,087 Value ($000) $28,783 Avg Close $468.12 Range $415.04 - $509.62

Q4 2022

Shares 125,964 Value ($000) $52,967 Avg Close $403.63 Range $344.63 - $457.93

Q3 2022

Shares 90,930 Value ($000) $37,930 Avg Close $498.57 Range $406.24 - $572.70

Q2 2022

Shares 51,779 Value ($000) $25,631 Avg Close $520.81 Range $462.61 - $607.54

Q1 2022

Shares 135,764 Value ($000) $76,467 Avg Close $602.81 Range $524.19 - $752.17

Q4 2021

Shares 8,116 Value ($000) $6,133 Avg Close $748.36 Range $703.67 - $798.97

Q3 2021

Shares 8,652 Value ($000) $6,454 Avg Close $749.10 Range $644.34 - $832.70

Q2 2021

Shares 29,441 Value ($000) $18,968 Avg Close $608.62 Range $569.46 - $657.79

Q1 2021

Shares 3,610 Value ($000) $2,062 Avg Close $592.18 Range $545.00 - $689.00

Q3 2020

Shares 4,748 Value ($000) $2,447 Avg Close $506.50 Range $443.80 - $540.06

Q2 2020

Shares 20,116 Value ($000) $9,083 Avg Close $441.30 Range $330.00 - $497.42

Q1 2020

Shares 25,318 Value ($000) $8,875 Avg Close $367.68 Range $309.38 - $413.02

Q4 2019

Shares 28,103 Value ($000) $10,399 Avg Close $352.55 Range $319.26 - $376.43

Q3 2019

Shares 122,416 Value ($000) $40,733 Avg Close $326.21 Range $303.82 - $348.39

Q2 2019

Shares 16,155 Value ($000) $5,050 Avg Close $299.43 Range $281.66 - $319.99

Q1 2019

Shares 41,985 Value ($000) $12,834 Avg Close $269.86 Range $223.89 - $323.95

Q4 2018

Shares 20,659 Value ($000) $4,797 Avg Close $268.31 Range $220.05 - $315.00

Q3 2018

Shares 25,839 Value ($000) $8,088 Avg Close $310.39 Range $285.83 - $345.15

Q2 2018

Shares 4,298 Value ($000) $1,240 Avg Close $276.12 Range $240.01 - $304.36

Q1 2018

Shares 6,879 Value ($000) $1,721 Avg Close $254.62 Range $231.00 - $279.59

Q4 2017

Shares 185,096 Value ($000) $44,177 Avg Close $242.32 Range $214.44 - $273.87

Q3 2017

Shares 214,494 Value ($000) $47,665 Avg Close $225.03 Range $208.95 - $242.79

Q2 2017

Shares 184,584 Value ($000) $41,773 Avg Close $217.91 Range $198.25 - $230.40

Q1 2017

Shares 21,859 Value ($000) $4,357 Avg Close $192.61 Range $181.87 - $209.50

Q4 2016

Shares 6,281 Value ($000) $1,145 Avg Close $170.48 Range $154.89 - $184.89

Q3 2016

Shares 21,731 Value ($000) $3,559 Avg Close $151.78 Range $140.53 - $164.45

Q2 2016

Shares 20,196 Value ($000) $2,888 Avg Close $142.64 Range $135.02 - $150.00

Q1 2016

Shares 7,788 Value ($000) $1,065 Avg Close $131.28 Range $122.03 - $139.63

Q4 2015

Shares 9,426 Value ($000) $1,307 Avg Close $138.61 Range $132.49 - $142.48

Q3 2015

Shares 1,765 Value ($000) $237 Avg Close $143.92 Range $131.25 - $152.38

Q2 2015

Shares 13,106 Value ($000) $1,974 Avg Close $143.07 Range $133.38 - $151.97

Q1 2015

Shares 50,985 Value ($000) $6,892 Avg Close $123.95 Range $112.51 - $137.23

Q4 2014

Shares 84,370 Value ($000) $10,171 Avg Close $115.09 Range $102.71 - $122.93

Q3 2014

Shares 34,268 Value ($000) $3,886 Avg Close $118.49 Range $113.37 - $122.73

Q2 2014

Shares 15,264 Value ($000) $1,827 Avg Close $122.10 Range $117.98 - $131.42

Q1 2014

Shares 11,269 Value ($000) $1,444 Avg Close $128.18 Range $120.43 - $134.13

Q4 2013

Shares 16,772 Value ($000) $2,073 Avg Close $121.86 Range $115.25 - $125.00

Q3 2013

Shares 12,089 Value ($000) $1,421 Avg Close $117.94 Range $111.49 - $126.98

Q2 2013

Shares 16,822 Value ($000) $1,888 Avg Close $117.30 Range $110.02 - $127.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,480	$2,872	$312.04	$280.61 - $343.12
Q3 2025	50,306	$14,105	$272.13	$237.63 - $308.44
Q2 2025	2,618	$632	$236.40	$211.43 - $260.00
Q1 2025	12,811	$3,120	$300.83	$235.84 - $373.69
Q4 2024	864	$284	$339.43	$306.42 - $387.99
Q3 2024	20,493	$6,857	$317.61	$262.12 - $353.09
Q1 2024	38,070	$13,167	$328.84	$302.65 - $364.24
Q4 2023	21,853	$7,056	$313.43	$261.59 - $366.30
Q3 2023	4,980	$1,785	$385.83	$349.27 - $431.79
Q2 2023	42,267	$16,024	$406.95	$356.51 - $494.05
Q1 2023	60,087	$28,783	$468.12	$415.04 - $509.62
Q4 2022	125,964	$52,967	$403.63	$344.63 - $457.93
Q3 2022	90,930	$37,930	$498.57	$406.24 - $572.70
Q2 2022	51,779	$25,631	$520.81	$462.61 - $607.54
Q1 2022	135,764	$76,467	$602.81	$524.19 - $752.17
Q4 2021	8,116	$6,133	$748.36	$703.67 - $798.97
Q3 2021	8,652	$6,454	$749.10	$644.34 - $832.70
Q2 2021	29,441	$18,968	$608.62	$569.46 - $657.79
Q1 2021	3,610	$2,062	$592.18	$545.00 - $689.00
Q3 2020	4,748	$2,447	$506.50	$443.80 - $540.06
Q2 2020	20,116	$9,083	$441.30	$330.00 - $497.42
Q1 2020	25,318	$8,875	$367.68	$309.38 - $413.02
Q4 2019	28,103	$10,399	$352.55	$319.26 - $376.43
Q3 2019	122,416	$40,733	$326.21	$303.82 - $348.39
Q2 2019	16,155	$5,050	$299.43	$281.66 - $319.99
Q1 2019	41,985	$12,834	$269.86	$223.89 - $323.95
Q4 2018	20,659	$4,797	$268.31	$220.05 - $315.00
Q3 2018	25,839	$8,088	$310.39	$285.83 - $345.15
Q2 2018	4,298	$1,240	$276.12	$240.01 - $304.36
Q1 2018	6,879	$1,721	$254.62	$231.00 - $279.59
Q4 2017	185,096	$44,177	$242.32	$214.44 - $273.87
Q3 2017	214,494	$47,665	$225.03	$208.95 - $242.79
Q2 2017	184,584	$41,773	$217.91	$198.25 - $230.40
Q1 2017	21,859	$4,357	$192.61	$181.87 - $209.50
Q4 2016	6,281	$1,145	$170.48	$154.89 - $184.89
Q3 2016	21,731	$3,559	$151.78	$140.53 - $164.45
Q2 2016	20,196	$2,888	$142.64	$135.02 - $150.00
Q1 2016	7,788	$1,065	$131.28	$122.03 - $139.63
Q4 2015	9,426	$1,307	$138.61	$132.49 - $142.48
Q3 2015	1,765	$237	$143.92	$131.25 - $152.38
Q2 2015	13,106	$1,974	$143.07	$133.38 - $151.97
Q1 2015	50,985	$6,892	$123.95	$112.51 - $137.23
Q4 2014	84,370	$10,171	$115.09	$102.71 - $122.93
Q3 2014	34,268	$3,886	$118.49	$113.37 - $122.73
Q2 2014	15,264	$1,827	$122.10	$117.98 - $131.42
Q1 2014	11,269	$1,444	$128.18	$120.43 - $134.13
Q4 2013	16,772	$2,073	$121.86	$115.25 - $125.00
Q3 2013	12,089	$1,421	$117.94	$111.49 - $126.98
Q2 2013	16,822	$1,888	$117.30	$110.02 - $127.17