BIO RAD LABS INC

Ticker: BIO CUSIP: 090572207 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025

Shares 4,550 Value ($000) $1,379 Avg Close $312.04 Range $280.61 - $343.12

Q3 2025

Shares 4,685 Value ($000) $1,314 Avg Close $272.13 Range $237.63 - $308.44

Q2 2025

Shares 4,779 Value ($000) $1,153 Avg Close $236.40 Range $211.43 - $260.00

Q1 2025

Shares 4,606 Value ($000) $1,122 Avg Close $300.83 Range $235.84 - $373.69

Q4 2024

Shares 4,252 Value ($000) $1,397 Avg Close $339.43 Range $306.42 - $387.99

Q3 2024

Shares 4,221 Value ($000) $1,412 Avg Close $317.61 Range $262.12 - $353.09

Q2 2024

Shares 4,480 Value ($000) $1,224 Avg Close $290.85 Range $266.52 - $346.83

Q1 2024

Shares 4,595 Value ($000) $1,589 Avg Close $328.84 Range $302.65 - $364.24

Q4 2023

Shares 4,584 Value ($000) $1,480 Avg Close $313.43 Range $261.59 - $366.30

Q3 2023

Shares 4,199 Value ($000) $1,505 Avg Close $385.83 Range $349.27 - $431.79

Q2 2023

Shares 3,723 Value ($000) $1,411 Avg Close $406.95 Range $356.51 - $494.05

Q1 2023

Shares 3,650 Value ($000) $1,748 Avg Close $468.12 Range $415.04 - $509.62

Q4 2022

Shares 3,640 Value ($000) $2 Avg Close $403.63 Range $344.63 - $457.93

Q3 2022

Shares 3,135 Value ($000) $1,308 Avg Close $498.57 Range $406.24 - $572.70

Q2 2022

Shares 3,151 Value ($000) $1,560 Avg Close $520.81 Range $462.61 - $607.54

Q1 2022

Shares 2,891 Value ($000) $1,628 Avg Close $602.81 Range $524.19 - $752.17

Q4 2021

Shares 2,712 Value ($000) $2,049 Avg Close $748.36 Range $703.67 - $798.97

Q3 2021

Shares 2,693 Value ($000) $2,009 Avg Close $749.10 Range $644.34 - $832.70

Q2 2021

Shares 2,700 Value ($000) $1,740 Avg Close $608.62 Range $569.46 - $657.79

Q1 2021

Shares 2,695 Value ($000) $1,539 Avg Close $592.18 Range $545.00 - $689.00

Q4 2020

Shares 2,690 Value ($000) $1,568 Avg Close $569.50 Range $507.22 - $648.39

Q3 2020

Shares 1,982 Value ($000) $1,022 Avg Close $506.50 Range $443.80 - $540.06

Q2 2020

Shares 1,222 Value ($000) $552 Avg Close $441.30 Range $330.00 - $497.42

Q1 2020

Shares 5,083 Value ($000) $1,782 Avg Close $367.68 Range $309.38 - $413.02

Q4 2019

Shares 3,811 Value ($000) $1,410 Avg Close $352.55 Range $319.26 - $376.43

Q3 2019

Shares 3,784 Value ($000) $1,259 Avg Close $326.21 Range $303.82 - $348.39

Q2 2019

Shares 3,530 Value ($000) $1,103 Avg Close $299.43 Range $281.66 - $319.99

Q1 2019

Shares 3,548 Value ($000) $1,085 Avg Close $269.86 Range $223.89 - $323.95

Q4 2018

Shares 3,533 Value ($000) $820 Avg Close $268.31 Range $220.05 - $315.00

Q3 2018

Shares 4,071 Value ($000) $1,274 Avg Close $310.39 Range $285.83 - $345.15

Q2 2018

Shares 5,467 Value ($000) $1,577 Avg Close $276.12 Range $240.01 - $304.36

Q1 2018

Shares 5,450 Value ($000) $1,363 Avg Close $254.62 Range $231.00 - $279.59

Q4 2017

Shares 2,953 Value ($000) $705 Avg Close $242.32 Range $214.44 - $273.87

Q3 2017

Shares 2,934 Value ($000) $652 Avg Close $225.03 Range $208.95 - $242.79

Q2 2017

Shares 3,038 Value ($000) $688 Avg Close $217.91 Range $198.25 - $230.40

Q1 2017

Shares 3,037 Value ($000) $605 Avg Close $192.61 Range $181.87 - $209.50

Q4 2016

Shares 3,073 Value ($000) $560 Avg Close $170.48 Range $154.89 - $184.89

Q3 2016

Shares 3,055 Value ($000) $500 Avg Close $151.78 Range $140.53 - $164.45

Q2 2016

Shares 4,017 Value ($000) $575 Avg Close $142.64 Range $135.02 - $150.00

Q1 2016

Shares 3,726 Value ($000) $509 Avg Close $131.28 Range $122.03 - $139.63

Q4 2015

Shares 6,028 Value ($000) $836 Avg Close $138.61 Range $132.49 - $142.48

Q3 2015

Shares 5,970 Value ($000) $802 Avg Close $143.92 Range $131.25 - $152.38

Q2 2015

Shares 5,976 Value ($000) $900 Avg Close $143.07 Range $133.38 - $151.97

Q1 2015

Shares 5,393 Value ($000) $729 Avg Close $123.95 Range $112.51 - $137.23

Q4 2014

Shares 4,411 Value ($000) $532 Avg Close $115.09 Range $102.71 - $122.93

Q3 2014

Shares 2,845 Value ($000) $323 Avg Close $118.49 Range $113.37 - $122.73

Q2 2014

Shares 2,805 Value ($000) $336 Avg Close $122.10 Range $117.98 - $131.42

Q1 2014

Shares 2,805 Value ($000) $359 Avg Close $128.18 Range $120.43 - $134.13

Q4 2013

Shares 2,819 Value ($000) $348 Avg Close $121.86 Range $115.25 - $125.00

Q3 2013

Shares 2,841 Value ($000) $334 Avg Close $117.94 Range $111.49 - $126.98

Q2 2013

Shares 2,882 Value ($000) $323 Avg Close $117.30 Range $110.02 - $127.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,550	$1,379	$312.04	$280.61 - $343.12
Q3 2025	4,685	$1,314	$272.13	$237.63 - $308.44
Q2 2025	4,779	$1,153	$236.40	$211.43 - $260.00
Q1 2025	4,606	$1,122	$300.83	$235.84 - $373.69
Q4 2024	4,252	$1,397	$339.43	$306.42 - $387.99
Q3 2024	4,221	$1,412	$317.61	$262.12 - $353.09
Q2 2024	4,480	$1,224	$290.85	$266.52 - $346.83
Q1 2024	4,595	$1,589	$328.84	$302.65 - $364.24
Q4 2023	4,584	$1,480	$313.43	$261.59 - $366.30
Q3 2023	4,199	$1,505	$385.83	$349.27 - $431.79
Q2 2023	3,723	$1,411	$406.95	$356.51 - $494.05
Q1 2023	3,650	$1,748	$468.12	$415.04 - $509.62
Q4 2022	3,640	$2	$403.63	$344.63 - $457.93
Q3 2022	3,135	$1,308	$498.57	$406.24 - $572.70
Q2 2022	3,151	$1,560	$520.81	$462.61 - $607.54
Q1 2022	2,891	$1,628	$602.81	$524.19 - $752.17
Q4 2021	2,712	$2,049	$748.36	$703.67 - $798.97
Q3 2021	2,693	$2,009	$749.10	$644.34 - $832.70
Q2 2021	2,700	$1,740	$608.62	$569.46 - $657.79
Q1 2021	2,695	$1,539	$592.18	$545.00 - $689.00
Q4 2020	2,690	$1,568	$569.50	$507.22 - $648.39
Q3 2020	1,982	$1,022	$506.50	$443.80 - $540.06
Q2 2020	1,222	$552	$441.30	$330.00 - $497.42
Q1 2020	5,083	$1,782	$367.68	$309.38 - $413.02
Q4 2019	3,811	$1,410	$352.55	$319.26 - $376.43
Q3 2019	3,784	$1,259	$326.21	$303.82 - $348.39
Q2 2019	3,530	$1,103	$299.43	$281.66 - $319.99
Q1 2019	3,548	$1,085	$269.86	$223.89 - $323.95
Q4 2018	3,533	$820	$268.31	$220.05 - $315.00
Q3 2018	4,071	$1,274	$310.39	$285.83 - $345.15
Q2 2018	5,467	$1,577	$276.12	$240.01 - $304.36
Q1 2018	5,450	$1,363	$254.62	$231.00 - $279.59
Q4 2017	2,953	$705	$242.32	$214.44 - $273.87
Q3 2017	2,934	$652	$225.03	$208.95 - $242.79
Q2 2017	3,038	$688	$217.91	$198.25 - $230.40
Q1 2017	3,037	$605	$192.61	$181.87 - $209.50
Q4 2016	3,073	$560	$170.48	$154.89 - $184.89
Q3 2016	3,055	$500	$151.78	$140.53 - $164.45
Q2 2016	4,017	$575	$142.64	$135.02 - $150.00
Q1 2016	3,726	$509	$131.28	$122.03 - $139.63
Q4 2015	6,028	$836	$138.61	$132.49 - $142.48
Q3 2015	5,970	$802	$143.92	$131.25 - $152.38
Q2 2015	5,976	$900	$143.07	$133.38 - $151.97
Q1 2015	5,393	$729	$123.95	$112.51 - $137.23
Q4 2014	4,411	$532	$115.09	$102.71 - $122.93
Q3 2014	2,845	$323	$118.49	$113.37 - $122.73
Q2 2014	2,805	$336	$122.10	$117.98 - $131.42
Q1 2014	2,805	$359	$128.18	$120.43 - $134.13
Q4 2013	2,819	$348	$121.86	$115.25 - $125.00
Q3 2013	2,841	$334	$117.94	$111.49 - $126.98
Q2 2013	2,882	$323	$117.30	$110.02 - $127.17