BIO RAD LABS INC

Ticker: BIO CUSIP: 090572207 Class: COM

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q4 2025

Shares 17,500 Value ($000) $5 Avg Close $312.04 Range $280.61 - $343.12

Q3 2025

Shares 17,600 Value ($000) $5 Avg Close $272.13 Range $237.63 - $308.44

Q2 2025

Shares 17,500 Value ($000) $4 Avg Close $236.40 Range $211.43 - $260.00

Q1 2025

Shares 17,500 Value ($000) $4 Avg Close $300.83 Range $235.84 - $373.69

Q4 2024

Shares 17,300 Value ($000) $6 Avg Close $339.43 Range $306.42 - $387.99

Q3 2024

Shares 17,300 Value ($000) $6 Avg Close $317.61 Range $262.12 - $353.09

Q2 2024

Shares 16,158 Value ($000) $4 Avg Close $290.85 Range $266.52 - $346.83

Q1 2024

Shares 16,154 Value ($000) $6 Avg Close $328.84 Range $302.65 - $364.24

Q4 2023

Shares 16,053 Value ($000) $5 Avg Close $313.43 Range $261.59 - $366.30

Q3 2023

Shares 15,952 Value ($000) $6 Avg Close $385.83 Range $349.27 - $431.79

Q2 2023

Shares 15,868 Value ($000) $6 Avg Close $406.95 Range $356.51 - $494.05

Q1 2023

Shares 15,920 Value ($000) $8 Avg Close $468.12 Range $415.04 - $509.62

Q4 2022

Shares 15,949 Value ($000) $7 Avg Close $403.63 Range $344.63 - $457.93

Q3 2022

Shares 17,280 Value ($000) $7,208 Avg Close $498.57 Range $406.24 - $572.70

Q2 2022

Shares 18,213 Value ($000) $9,015 Avg Close $520.81 Range $462.61 - $607.54

Q1 2022

Shares 19,756 Value ($000) $11,127 Avg Close $602.81 Range $524.19 - $752.17

Q4 2021

Shares 19,756 Value ($000) $14,927 Avg Close $748.36 Range $703.67 - $798.97

Q3 2021

Shares 19,676 Value ($000) $14,677 Avg Close $749.10 Range $644.34 - $832.70

Q2 2021

Shares 19,912 Value ($000) $12,829 Avg Close $608.62 Range $569.46 - $657.79

Q1 2021

Shares 19,912 Value ($000) $11,373 Avg Close $592.18 Range $545.00 - $689.00

Q4 2020

Shares 20,238 Value ($000) $11,798 Avg Close $569.50 Range $507.22 - $648.39

Q3 2020

Shares 20,429 Value ($000) $10,530 Avg Close $506.50 Range $443.80 - $540.06

Q2 2020

Shares 19,128 Value ($000) $8,636 Avg Close $441.30 Range $330.00 - $497.42

Q1 2020

Shares 15,803 Value ($000) $5,540 Avg Close $367.68 Range $309.38 - $413.02

Q4 2019

Shares 16,003 Value ($000) $5,922 Avg Close $352.55 Range $319.26 - $376.43

Q3 2019

Shares 16,103 Value ($000) $5,358 Avg Close $326.21 Range $303.82 - $348.39

Q2 2019

Shares 15,903 Value ($000) $4,971 Avg Close $299.43 Range $281.66 - $319.99

Q1 2019

Shares 15,903 Value ($000) $4,861 Avg Close $269.86 Range $223.89 - $323.95

Q4 2018

Shares 15,903 Value ($000) $3,693 Avg Close $268.31 Range $220.05 - $315.00

Q3 2018

Shares 16,003 Value ($000) $5,009 Avg Close $310.39 Range $285.83 - $345.15

Q2 2018

Shares 14,800 Value ($000) $4,270 Avg Close $276.12 Range $240.01 - $304.36

Q1 2018

Shares 13,700 Value ($000) $3,426 Avg Close $254.62 Range $231.00 - $279.59

Q4 2017

Shares 13,700 Value ($000) $3,270 Avg Close $242.32 Range $214.44 - $273.87

Q3 2017

Shares 13,700 Value ($000) $3,044 Avg Close $225.03 Range $208.95 - $242.79

Q2 2017

Shares 13,800 Value ($000) $3,123 Avg Close $217.91 Range $198.25 - $230.40

Q1 2017

Shares 13,900 Value ($000) $2,771 Avg Close $192.61 Range $181.87 - $209.50

Q4 2016

Shares 13,900 Value ($000) $2,534 Avg Close $170.48 Range $154.89 - $184.89

Q3 2016

Shares 13,900 Value ($000) $2,277 Avg Close $151.78 Range $140.53 - $164.45

Q2 2016

Shares 14,100 Value ($000) $2,017 Avg Close $142.64 Range $135.02 - $150.00

Q1 2016

Shares 14,100 Value ($000) $1,928 Avg Close $131.28 Range $122.03 - $139.63

Q4 2015

Shares 14,100 Value ($000) $1,955 Avg Close $138.61 Range $132.49 - $142.48

Q3 2015

Shares 10,800 Value ($000) $1,451 Avg Close $143.92 Range $131.25 - $152.38

Q2 2015

Shares 10,800 Value ($000) $1,627 Avg Close $143.07 Range $133.38 - $151.97

Q1 2015

Shares 10,800 Value ($000) $1,460 Avg Close $123.95 Range $112.51 - $137.23

Q4 2014

Shares 10,800 Value ($000) $1,302 Avg Close $115.09 Range $102.71 - $122.93

Q3 2014

Shares 10,800 Value ($000) $1,225 Avg Close $118.49 Range $113.37 - $122.73

Q2 2014

Shares 10,800 Value ($000) $1,293 Avg Close $122.10 Range $117.98 - $131.42

Q1 2014

Shares 10,800 Value ($000) $1,384 Avg Close $128.18 Range $120.43 - $134.13

Q4 2013

Shares 10,800 Value ($000) $1,335 Avg Close $121.86 Range $115.25 - $125.00

Q3 2013

Shares 10,800 Value ($000) $1,270 Avg Close $117.94 Range $111.49 - $126.98

Q2 2013

Shares 10,800 Value ($000) $1,212 Avg Close $117.30 Range $110.02 - $127.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,500	$5	$312.04	$280.61 - $343.12
Q3 2025	17,600	$5	$272.13	$237.63 - $308.44
Q2 2025	17,500	$4	$236.40	$211.43 - $260.00
Q1 2025	17,500	$4	$300.83	$235.84 - $373.69
Q4 2024	17,300	$6	$339.43	$306.42 - $387.99
Q3 2024	17,300	$6	$317.61	$262.12 - $353.09
Q2 2024	16,158	$4	$290.85	$266.52 - $346.83
Q1 2024	16,154	$6	$328.84	$302.65 - $364.24
Q4 2023	16,053	$5	$313.43	$261.59 - $366.30
Q3 2023	15,952	$6	$385.83	$349.27 - $431.79
Q2 2023	15,868	$6	$406.95	$356.51 - $494.05
Q1 2023	15,920	$8	$468.12	$415.04 - $509.62
Q4 2022	15,949	$7	$403.63	$344.63 - $457.93
Q3 2022	17,280	$7,208	$498.57	$406.24 - $572.70
Q2 2022	18,213	$9,015	$520.81	$462.61 - $607.54
Q1 2022	19,756	$11,127	$602.81	$524.19 - $752.17
Q4 2021	19,756	$14,927	$748.36	$703.67 - $798.97
Q3 2021	19,676	$14,677	$749.10	$644.34 - $832.70
Q2 2021	19,912	$12,829	$608.62	$569.46 - $657.79
Q1 2021	19,912	$11,373	$592.18	$545.00 - $689.00
Q4 2020	20,238	$11,798	$569.50	$507.22 - $648.39
Q3 2020	20,429	$10,530	$506.50	$443.80 - $540.06
Q2 2020	19,128	$8,636	$441.30	$330.00 - $497.42
Q1 2020	15,803	$5,540	$367.68	$309.38 - $413.02
Q4 2019	16,003	$5,922	$352.55	$319.26 - $376.43
Q3 2019	16,103	$5,358	$326.21	$303.82 - $348.39
Q2 2019	15,903	$4,971	$299.43	$281.66 - $319.99
Q1 2019	15,903	$4,861	$269.86	$223.89 - $323.95
Q4 2018	15,903	$3,693	$268.31	$220.05 - $315.00
Q3 2018	16,003	$5,009	$310.39	$285.83 - $345.15
Q2 2018	14,800	$4,270	$276.12	$240.01 - $304.36
Q1 2018	13,700	$3,426	$254.62	$231.00 - $279.59
Q4 2017	13,700	$3,270	$242.32	$214.44 - $273.87
Q3 2017	13,700	$3,044	$225.03	$208.95 - $242.79
Q2 2017	13,800	$3,123	$217.91	$198.25 - $230.40
Q1 2017	13,900	$2,771	$192.61	$181.87 - $209.50
Q4 2016	13,900	$2,534	$170.48	$154.89 - $184.89
Q3 2016	13,900	$2,277	$151.78	$140.53 - $164.45
Q2 2016	14,100	$2,017	$142.64	$135.02 - $150.00
Q1 2016	14,100	$1,928	$131.28	$122.03 - $139.63
Q4 2015	14,100	$1,955	$138.61	$132.49 - $142.48
Q3 2015	10,800	$1,451	$143.92	$131.25 - $152.38
Q2 2015	10,800	$1,627	$143.07	$133.38 - $151.97
Q1 2015	10,800	$1,460	$123.95	$112.51 - $137.23
Q4 2014	10,800	$1,302	$115.09	$102.71 - $122.93
Q3 2014	10,800	$1,225	$118.49	$113.37 - $122.73
Q2 2014	10,800	$1,293	$122.10	$117.98 - $131.42
Q1 2014	10,800	$1,384	$128.18	$120.43 - $134.13
Q4 2013	10,800	$1,335	$121.86	$115.25 - $125.00
Q3 2013	10,800	$1,270	$117.94	$111.49 - $126.98
Q2 2013	10,800	$1,212	$117.30	$110.02 - $127.17