BIO RAD LABS INC

Ticker: BIO CUSIP: 090572207 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q4 2025

Shares 10,579 Value ($000) $3 Avg Close $312.04 Range $280.61 - $343.12

Q3 2025

Shares 14,379 Value ($000) $4 Avg Close $272.13 Range $237.63 - $308.44

Q2 2025

Shares 13,109 Value ($000) $3 Avg Close $236.40 Range $211.43 - $260.00

Q1 2025

Shares 14,426 Value ($000) $4 Avg Close $300.83 Range $235.84 - $373.69

Q4 2024

Shares 15,894 Value ($000) $5 Avg Close $339.43 Range $306.42 - $387.99

Q3 2024

Shares 16,153 Value ($000) $5 Avg Close $317.61 Range $262.12 - $353.09

Q2 2024

Shares 9,829 Value ($000) $3 Avg Close $290.85 Range $266.52 - $346.83

Q1 2024

Shares 7,670 Value ($000) $3 Avg Close $328.84 Range $302.65 - $364.24

Q4 2023

Shares 8,528 Value ($000) $3 Avg Close $313.43 Range $261.59 - $366.30

Q3 2023

Shares 8,128 Value ($000) $3 Avg Close $385.83 Range $349.27 - $431.79

Q2 2023

Shares 8,219 Value ($000) $3 Avg Close $406.95 Range $356.51 - $494.05

Q1 2023

Shares 8,782 Value ($000) $4 Avg Close $468.12 Range $415.04 - $509.62

Q4 2022

Shares 14,954 Value ($000) $6 Avg Close $403.63 Range $344.63 - $457.93

Q3 2022

Shares 22,237 Value ($000) $9,273 Avg Close $498.57 Range $406.24 - $572.70

Q2 2022

Shares 23,891 Value ($000) $11,820 Avg Close $520.81 Range $462.61 - $607.54

Q1 2022

Shares 25,548 Value ($000) $15,144 Avg Close $602.81 Range $524.19 - $752.17

Q4 2021

Shares 27,647 Value ($000) $20,838 Avg Close $748.36 Range $703.67 - $798.97

Q3 2021

Shares 27,923 Value ($000) $20,950 Avg Close $749.10 Range $644.34 - $832.70

Q2 2021

Shares 29,730 Value ($000) $19,121 Avg Close $608.62 Range $569.46 - $657.79

Q1 2021

Shares 26,021 Value ($000) $14,760 Avg Close $592.18 Range $545.00 - $689.00

Q4 2020

Shares 24,423 Value ($000) $14,206 Avg Close $569.50 Range $507.22 - $648.39

Q3 2020

Shares 23,167 Value ($000) $11,934 Avg Close $506.50 Range $443.80 - $540.06

Q2 2020

Shares 18,438 Value ($000) $8,297 Avg Close $441.30 Range $330.00 - $497.42

Q1 2020

Shares 25,784 Value ($000) $9,077 Avg Close $367.68 Range $309.38 - $413.02

Q4 2019

Shares 22,959 Value ($000) $8,432 Avg Close $352.55 Range $319.26 - $376.43

Q3 2019

Shares 12,951 Value ($000) $4,309 Avg Close $326.21 Range $303.82 - $348.39

Q2 2019

Shares 11,999 Value ($000) $3,751 Avg Close $299.43 Range $281.66 - $319.99

Q4 2018

Shares 12,450 Value ($000) $2,683 Avg Close $268.31 Range $220.05 - $315.00

Q3 2018

Shares 11,574 Value ($000) $3,627 Avg Close $310.39 Range $285.83 - $345.15

Q2 2018

Shares 11,574 Value ($000) $3,338 Avg Close $276.12 Range $240.01 - $304.36

Q1 2018

Shares 11,886 Value ($000) $2,974 Avg Close $254.62 Range $231.00 - $279.59

Q4 2017

Shares 11,586 Value ($000) $2,764 Avg Close $242.32 Range $214.44 - $273.87

Q3 2017

Shares 11,936 Value ($000) $2,654 Avg Close $225.03 Range $208.95 - $242.79

Q2 2017

Shares 12,447 Value ($000) $2,816 Avg Close $217.91 Range $198.25 - $230.40

Q1 2017

Shares 12,380 Value ($000) $2,467 Avg Close $192.61 Range $181.87 - $209.50

Q4 2016

Shares 11,911 Value ($000) $2,173 Avg Close $170.48 Range $154.89 - $184.89

Q3 2016

Shares 12,303 Value ($000) $2,015 Avg Close $151.78 Range $140.53 - $164.45

Q2 2016

Shares 12,011 Value ($000) $1,715 Avg Close $142.64 Range $135.02 - $150.00

Q1 2016

Shares 2,170 Value ($000) $296 Avg Close $131.28 Range $122.03 - $139.63

Q4 2015

Shares 2,170 Value ($000) $301 Avg Close $138.61 Range $132.49 - $142.48

Q3 2015

Shares 2,170 Value ($000) $292 Avg Close $143.92 Range $131.25 - $152.38

Q2 2015

Shares 2,170 Value ($000) $326 Avg Close $143.07 Range $133.38 - $151.97

Q1 2015

Shares 2,170 Value ($000) $292 Avg Close $123.95 Range $112.51 - $137.23

Q4 2014

Shares 2,170 Value ($000) $261 Avg Close $115.09 Range $102.71 - $122.93

Q3 2014

Shares 2,170 Value ($000) $247 Avg Close $118.49 Range $113.37 - $122.73

Q2 2014

Shares 1,440 Value ($000) $172 Avg Close $122.10 Range $117.98 - $131.42

Q1 2014

Shares 882 Value ($000) $112 Avg Close $128.18 Range $120.43 - $134.13

Q4 2013

Shares 882 Value ($000) $110 Avg Close $121.86 Range $115.25 - $125.00

Q3 2013

Shares 882 Value ($000) $103 Avg Close $117.94 Range $111.49 - $126.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,579	$3	$312.04	$280.61 - $343.12
Q3 2025	14,379	$4	$272.13	$237.63 - $308.44
Q2 2025	13,109	$3	$236.40	$211.43 - $260.00
Q1 2025	14,426	$4	$300.83	$235.84 - $373.69
Q4 2024	15,894	$5	$339.43	$306.42 - $387.99
Q3 2024	16,153	$5	$317.61	$262.12 - $353.09
Q2 2024	9,829	$3	$290.85	$266.52 - $346.83
Q1 2024	7,670	$3	$328.84	$302.65 - $364.24
Q4 2023	8,528	$3	$313.43	$261.59 - $366.30
Q3 2023	8,128	$3	$385.83	$349.27 - $431.79
Q2 2023	8,219	$3	$406.95	$356.51 - $494.05
Q1 2023	8,782	$4	$468.12	$415.04 - $509.62
Q4 2022	14,954	$6	$403.63	$344.63 - $457.93
Q3 2022	22,237	$9,273	$498.57	$406.24 - $572.70
Q2 2022	23,891	$11,820	$520.81	$462.61 - $607.54
Q1 2022	25,548	$15,144	$602.81	$524.19 - $752.17
Q4 2021	27,647	$20,838	$748.36	$703.67 - $798.97
Q3 2021	27,923	$20,950	$749.10	$644.34 - $832.70
Q2 2021	29,730	$19,121	$608.62	$569.46 - $657.79
Q1 2021	26,021	$14,760	$592.18	$545.00 - $689.00
Q4 2020	24,423	$14,206	$569.50	$507.22 - $648.39
Q3 2020	23,167	$11,934	$506.50	$443.80 - $540.06
Q2 2020	18,438	$8,297	$441.30	$330.00 - $497.42
Q1 2020	25,784	$9,077	$367.68	$309.38 - $413.02
Q4 2019	22,959	$8,432	$352.55	$319.26 - $376.43
Q3 2019	12,951	$4,309	$326.21	$303.82 - $348.39
Q2 2019	11,999	$3,751	$299.43	$281.66 - $319.99
Q4 2018	12,450	$2,683	$268.31	$220.05 - $315.00
Q3 2018	11,574	$3,627	$310.39	$285.83 - $345.15
Q2 2018	11,574	$3,338	$276.12	$240.01 - $304.36
Q1 2018	11,886	$2,974	$254.62	$231.00 - $279.59
Q4 2017	11,586	$2,764	$242.32	$214.44 - $273.87
Q3 2017	11,936	$2,654	$225.03	$208.95 - $242.79
Q2 2017	12,447	$2,816	$217.91	$198.25 - $230.40
Q1 2017	12,380	$2,467	$192.61	$181.87 - $209.50
Q4 2016	11,911	$2,173	$170.48	$154.89 - $184.89
Q3 2016	12,303	$2,015	$151.78	$140.53 - $164.45
Q2 2016	12,011	$1,715	$142.64	$135.02 - $150.00
Q1 2016	2,170	$296	$131.28	$122.03 - $139.63
Q4 2015	2,170	$301	$138.61	$132.49 - $142.48
Q3 2015	2,170	$292	$143.92	$131.25 - $152.38
Q2 2015	2,170	$326	$143.07	$133.38 - $151.97
Q1 2015	2,170	$292	$123.95	$112.51 - $137.23
Q4 2014	2,170	$261	$115.09	$102.71 - $122.93
Q3 2014	2,170	$247	$118.49	$113.37 - $122.73
Q2 2014	1,440	$172	$122.10	$117.98 - $131.42
Q1 2014	882	$112	$128.18	$120.43 - $134.13
Q4 2013	882	$110	$121.86	$115.25 - $125.00
Q3 2013	882	$103	$117.94	$111.49 - $126.98