BIO RAD LABS INC

Ticker: BIO CUSIP: 090572207 Class: COM

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 180,389 Value ($000) $54,656 Avg Close $312.04 Range $280.61 - $343.12

Q3 2025

Shares 179,966 Value ($000) $50,461 Avg Close $272.13 Range $237.63 - $308.44

Q2 2025

Shares 197,620 Value ($000) $47,690 Avg Close $236.40 Range $211.43 - $260.00

Q1 2025

Shares 203,180 Value ($000) $49,487 Avg Close $300.83 Range $235.84 - $373.69

Q4 2024

Shares 191,867 Value ($000) $63,030 Avg Close $339.43 Range $306.42 - $387.99

Q3 2024

Shares 184,315 Value ($000) $61,668 Avg Close $317.61 Range $262.12 - $353.09

Q2 2024

Shares 230,656 Value ($000) $62,994 Avg Close $290.85 Range $266.52 - $346.83

Q1 2024

Shares 223,441 Value ($000) $77,282 Avg Close $328.84 Range $302.65 - $364.24

Q4 2023

Shares 214,234 Value ($000) $69,174 Avg Close $313.43 Range $261.59 - $366.30

Q3 2023

Shares 204,194 Value ($000) $73,193 Avg Close $385.83 Range $349.27 - $431.79

Q2 2023

Shares 201,549 Value ($000) $76,411 Avg Close $406.95 Range $356.51 - $494.05

Q1 2023

Shares 200,416 Value ($000) $96,003 Avg Close $468.12 Range $415.04 - $509.62

Q4 2022

Shares 195,890 Value ($000) $82,370 Avg Close $403.63 Range $344.63 - $457.93

Q3 2022

Shares 184,347 Value ($000) $76,899 Avg Close $498.57 Range $406.24 - $572.70

Q2 2022

Shares 180,523 Value ($000) $89,359 Avg Close $520.81 Range $462.61 - $607.54

Q1 2022

Shares 173,926 Value ($000) $97,961 Avg Close $602.81 Range $524.19 - $752.17

Q4 2021

Shares 168,510 Value ($000) $127,322 Avg Close $748.36 Range $703.67 - $798.97

Q3 2021

Shares 163,775 Value ($000) $122,168 Avg Close $749.10 Range $644.34 - $832.70

Q2 2021

Shares 158,751 Value ($000) $102,283 Avg Close $608.62 Range $569.46 - $657.79

Q1 2021

Shares 154,524 Value ($000) $88,260 Avg Close $592.18 Range $545.00 - $689.00

Q4 2020

Shares 154,109 Value ($000) $89,837 Avg Close $569.50 Range $507.22 - $648.39

Q3 2020

Shares 158,172 Value ($000) $81,532 Avg Close $506.50 Range $443.80 - $540.06

Q2 2020

Shares 156,028 Value ($000) $70,446 Avg Close $441.30 Range $330.00 - $497.42

Q1 2020

Shares 128,117 Value ($000) $44,913 Avg Close $367.68 Range $309.38 - $413.02

Q4 2019

Shares 126,182 Value ($000) $46,692 Avg Close $352.55 Range $319.26 - $376.43

Q3 2019

Shares 125,509 Value ($000) $41,762 Avg Close $326.21 Range $303.82 - $348.39

Q2 2019

Shares 114,893 Value ($000) $35,915 Avg Close $299.43 Range $281.66 - $319.99

Q1 2019

Shares 114,073 Value ($000) $34,870 Avg Close $269.86 Range $223.89 - $323.95

Q4 2018

Shares 106,128 Value ($000) $24,646 Avg Close $268.31 Range $220.05 - $315.00

Q3 2018

Shares 104,486 Value ($000) $32,704 Avg Close $310.39 Range $285.83 - $345.15

Q2 2018

Shares 134,847 Value ($000) $38,909 Avg Close $276.12 Range $240.01 - $304.36

Q1 2018

Shares 128,387 Value ($000) $32,108 Avg Close $254.62 Range $231.00 - $279.59

Q4 2017

Shares 122,854 Value ($000) $29,322 Avg Close $242.32 Range $214.44 - $273.87

Q3 2017

Shares 118,522 Value ($000) $26,338 Avg Close $225.03 Range $208.95 - $242.79

Q2 2017

Shares 115,218 Value ($000) $26,075 Avg Close $217.91 Range $198.25 - $230.40

Q1 2017

Shares 113,148 Value ($000) $22,555 Avg Close $192.61 Range $181.87 - $209.50

Q4 2016

Shares 103,984 Value ($000) $18,955 Avg Close $170.48 Range $154.89 - $184.89

Q3 2016

Shares 97,066 Value ($000) $15,901 Avg Close $151.78 Range $140.53 - $164.45

Q2 2016

Shares 87,904 Value ($000) $12,573 Avg Close $142.64 Range $135.02 - $150.00

Q1 2016

Shares 85,345 Value ($000) $11,669 Avg Close $131.28 Range $122.03 - $139.63

Q4 2015

Shares 80,157 Value ($000) $11,115 Avg Close $138.61 Range $132.49 - $142.48

Q3 2015

Shares 81,314 Value ($000) $10,922 Avg Close $143.92 Range $131.25 - $152.38

Q2 2015

Shares 76,023 Value ($000) $11,450 Avg Close $143.07 Range $133.38 - $151.97

Q1 2015

Shares 135,174 Value ($000) $18,273 Avg Close $123.95 Range $112.51 - $137.23

Q4 2014

Shares 154,350 Value ($000) $18,609 Avg Close $115.09 Range $102.71 - $122.93

Q3 2014

Shares 163,950 Value ($000) $18,592 Avg Close $118.49 Range $113.37 - $122.73

Q2 2014

Shares 154,224 Value ($000) $18,463 Avg Close $122.10 Range $117.98 - $131.42

Q1 2014

Shares 152,767 Value ($000) $19,573 Avg Close $128.18 Range $120.43 - $134.13

Q4 2013

Shares 137,824 Value ($000) $17,037 Avg Close $121.86 Range $115.25 - $125.00

Q3 2013

Shares 133,003 Value ($000) $15,845 Avg Close $117.94 Range $111.49 - $126.98

Q2 2013

Shares 111,157 Value ($000) $12,588 Avg Close $117.30 Range $110.02 - $127.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	180,389	$54,656	$312.04	$280.61 - $343.12
Q3 2025	179,966	$50,461	$272.13	$237.63 - $308.44
Q2 2025	197,620	$47,690	$236.40	$211.43 - $260.00
Q1 2025	203,180	$49,487	$300.83	$235.84 - $373.69
Q4 2024	191,867	$63,030	$339.43	$306.42 - $387.99
Q3 2024	184,315	$61,668	$317.61	$262.12 - $353.09
Q2 2024	230,656	$62,994	$290.85	$266.52 - $346.83
Q1 2024	223,441	$77,282	$328.84	$302.65 - $364.24
Q4 2023	214,234	$69,174	$313.43	$261.59 - $366.30
Q3 2023	204,194	$73,193	$385.83	$349.27 - $431.79
Q2 2023	201,549	$76,411	$406.95	$356.51 - $494.05
Q1 2023	200,416	$96,003	$468.12	$415.04 - $509.62
Q4 2022	195,890	$82,370	$403.63	$344.63 - $457.93
Q3 2022	184,347	$76,899	$498.57	$406.24 - $572.70
Q2 2022	180,523	$89,359	$520.81	$462.61 - $607.54
Q1 2022	173,926	$97,961	$602.81	$524.19 - $752.17
Q4 2021	168,510	$127,322	$748.36	$703.67 - $798.97
Q3 2021	163,775	$122,168	$749.10	$644.34 - $832.70
Q2 2021	158,751	$102,283	$608.62	$569.46 - $657.79
Q1 2021	154,524	$88,260	$592.18	$545.00 - $689.00
Q4 2020	154,109	$89,837	$569.50	$507.22 - $648.39
Q3 2020	158,172	$81,532	$506.50	$443.80 - $540.06
Q2 2020	156,028	$70,446	$441.30	$330.00 - $497.42
Q1 2020	128,117	$44,913	$367.68	$309.38 - $413.02
Q4 2019	126,182	$46,692	$352.55	$319.26 - $376.43
Q3 2019	125,509	$41,762	$326.21	$303.82 - $348.39
Q2 2019	114,893	$35,915	$299.43	$281.66 - $319.99
Q1 2019	114,073	$34,870	$269.86	$223.89 - $323.95
Q4 2018	106,128	$24,646	$268.31	$220.05 - $315.00
Q3 2018	104,486	$32,704	$310.39	$285.83 - $345.15
Q2 2018	134,847	$38,909	$276.12	$240.01 - $304.36
Q1 2018	128,387	$32,108	$254.62	$231.00 - $279.59
Q4 2017	122,854	$29,322	$242.32	$214.44 - $273.87
Q3 2017	118,522	$26,338	$225.03	$208.95 - $242.79
Q2 2017	115,218	$26,075	$217.91	$198.25 - $230.40
Q1 2017	113,148	$22,555	$192.61	$181.87 - $209.50
Q4 2016	103,984	$18,955	$170.48	$154.89 - $184.89
Q3 2016	97,066	$15,901	$151.78	$140.53 - $164.45
Q2 2016	87,904	$12,573	$142.64	$135.02 - $150.00
Q1 2016	85,345	$11,669	$131.28	$122.03 - $139.63
Q4 2015	80,157	$11,115	$138.61	$132.49 - $142.48
Q3 2015	81,314	$10,922	$143.92	$131.25 - $152.38
Q2 2015	76,023	$11,450	$143.07	$133.38 - $151.97
Q1 2015	135,174	$18,273	$123.95	$112.51 - $137.23
Q4 2014	154,350	$18,609	$115.09	$102.71 - $122.93
Q3 2014	163,950	$18,592	$118.49	$113.37 - $122.73
Q2 2014	154,224	$18,463	$122.10	$117.98 - $131.42
Q1 2014	152,767	$19,573	$128.18	$120.43 - $134.13
Q4 2013	137,824	$17,037	$121.86	$115.25 - $125.00
Q3 2013	133,003	$15,845	$117.94	$111.49 - $126.98
Q2 2013	111,157	$12,588	$117.30	$110.02 - $127.17