BIO RAD LABS INC

Ticker: BIO CUSIP: 090572207 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025

Shares 1,077,072 Value ($000) $326,344 Avg Close $312.04 Range $280.61 - $343.12

Q3 2025

Shares 1,062,938 Value ($000) $298,019 Avg Close $272.13 Range $237.63 - $308.44

Q2 2025

Shares 999,568 Value ($000) $241,222 Avg Close $236.40 Range $211.43 - $260.00

Q1 2025

Shares 877,040 Value ($000) $213,608 Avg Close $300.83 Range $235.84 - $373.69

Q4 2024

Shares 746,119 Value ($000) $245,106 Avg Close $339.43 Range $306.42 - $387.99

Q3 2024

Shares 654,429 Value ($000) $218,955 Avg Close $317.61 Range $262.12 - $353.09

Q2 2024

Shares 494,604 Value ($000) $135,081 Avg Close $290.85 Range $266.52 - $346.83

Q1 2024

Shares 300,904 Value ($000) $104,074 Avg Close $328.84 Range $302.65 - $364.24

Q4 2023

Shares 219,570 Value ($000) $70,900 Avg Close $313.43 Range $261.59 - $366.30

Q3 2023

Shares 219,972 Value ($000) $78,849 Avg Close $385.83 Range $349.27 - $431.79

Q2 2023

Shares 204,006 Value ($000) $77,340 Avg Close $406.95 Range $356.51 - $494.05

Q1 2023

Shares 188,399 Value ($000) $90,237 Avg Close $468.12 Range $415.04 - $509.62

Q4 2022

Shares 186,134 Value ($000) $78 Avg Close $403.63 Range $344.63 - $457.93

Q3 2022

Shares 183,214 Value ($000) $76,429 Avg Close $498.57 Range $406.24 - $572.70

Q2 2022

Shares 178,579 Value ($000) $88,391 Avg Close $520.81 Range $462.61 - $607.54

Q1 2022

Shares 177,140 Value ($000) $99,797 Avg Close $602.81 Range $524.19 - $752.17

Q4 2021

Shares 176,924 Value ($000) $133,682 Avg Close $748.36 Range $703.67 - $798.97

Q3 2021

Shares 175,295 Value ($000) $130,770 Avg Close $749.10 Range $644.34 - $832.70

Q2 2021

Shares 177,390 Value ($000) $114,292 Avg Close $608.62 Range $569.46 - $657.79

Q1 2021

Shares 173,827 Value ($000) $99,274 Avg Close $592.18 Range $545.00 - $689.00

Q4 2020

Shares 167,930 Value ($000) $97,880 Avg Close $569.50 Range $507.22 - $648.39

Q3 2020

Shares 167,230 Value ($000) $86,197 Avg Close $506.50 Range $443.80 - $540.06

Q2 2020

Shares 165,490 Value ($000) $74,686 Avg Close $441.30 Range $330.00 - $497.42

Q1 2020

Shares 160,850 Value ($000) $56,380 Avg Close $367.68 Range $309.38 - $413.02

Q4 2019

Shares 175,981 Value ($000) $65,118 Avg Close $352.55 Range $319.26 - $376.43

Q3 2019

Shares 183,086 Value ($000) $60,924 Avg Close $326.21 Range $303.82 - $348.39

Q2 2019

Shares 198,547 Value ($000) $62,052 Avg Close $299.43 Range $281.66 - $319.99

Q1 2019

Shares 241,120 Value ($000) $73,703 Avg Close $269.86 Range $223.89 - $323.95

Q4 2018

Shares 220,844 Value ($000) $51,282 Avg Close $268.31 Range $220.05 - $315.00

Q3 2018

Shares 190,659 Value ($000) $59,672 Avg Close $310.39 Range $285.83 - $345.15

Q2 2018

Shares 173,985 Value ($000) $50,202 Avg Close $276.12 Range $240.01 - $304.36

Q1 2018

Shares 176,062 Value ($000) $44,030 Avg Close $254.62 Range $231.00 - $279.59

Q4 2017

Shares 184,320 Value ($000) $43,995 Avg Close $242.32 Range $214.44 - $273.87

Q3 2017

Shares 206,964 Value ($000) $45,992 Avg Close $225.03 Range $208.95 - $242.79

Q2 2017

Shares 222,200 Value ($000) $50,283 Avg Close $217.91 Range $198.25 - $230.40

Q1 2017

Shares 273,002 Value ($000) $54,419 Avg Close $192.61 Range $181.87 - $209.50

Q4 2016

Shares 271,115 Value ($000) $49,421 Avg Close $170.48 Range $154.89 - $184.89

Q3 2016

Shares 276,843 Value ($000) $45,346 Avg Close $151.78 Range $140.53 - $164.45

Q2 2016

Shares 270,158 Value ($000) $38,631 Avg Close $142.64 Range $135.02 - $150.00

Q1 2016

Shares 269,315 Value ($000) $36,820 Avg Close $131.28 Range $122.03 - $139.63

Q4 2015

Shares 259,620 Value ($000) $36,001 Avg Close $138.61 Range $132.49 - $142.48

Q3 2015

Shares 249,466 Value ($000) $33,505 Avg Close $143.92 Range $131.25 - $152.38

Q2 2015

Shares 244,284 Value ($000) $36,792 Avg Close $143.07 Range $133.38 - $151.97

Q1 2015

Shares 232,920 Value ($000) $31,484 Avg Close $123.95 Range $112.51 - $137.23

Q4 2014

Shares 178,991 Value ($000) $21,583 Avg Close $115.09 Range $102.71 - $122.93

Q3 2014

Shares 146,985 Value ($000) $16,673 Avg Close $118.49 Range $113.37 - $122.73

Q2 2014

Shares 144,713 Value ($000) $17,321 Avg Close $122.10 Range $117.98 - $131.42

Q1 2014

Shares 128,416 Value ($000) $16,450 Avg Close $128.18 Range $120.43 - $134.13

Q4 2013

Shares 128,523 Value ($000) $15,888 Avg Close $121.86 Range $115.25 - $125.00

Q3 2013

Shares 116,039 Value ($000) $13,639 Avg Close $117.94 Range $111.49 - $126.98

Q2 2013

Shares 108,669 Value ($000) $12,192 Avg Close $117.30 Range $110.02 - $127.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,077,072	$326,344	$312.04	$280.61 - $343.12
Q3 2025	1,062,938	$298,019	$272.13	$237.63 - $308.44
Q2 2025	999,568	$241,222	$236.40	$211.43 - $260.00
Q1 2025	877,040	$213,608	$300.83	$235.84 - $373.69
Q4 2024	746,119	$245,106	$339.43	$306.42 - $387.99
Q3 2024	654,429	$218,955	$317.61	$262.12 - $353.09
Q2 2024	494,604	$135,081	$290.85	$266.52 - $346.83
Q1 2024	300,904	$104,074	$328.84	$302.65 - $364.24
Q4 2023	219,570	$70,900	$313.43	$261.59 - $366.30
Q3 2023	219,972	$78,849	$385.83	$349.27 - $431.79
Q2 2023	204,006	$77,340	$406.95	$356.51 - $494.05
Q1 2023	188,399	$90,237	$468.12	$415.04 - $509.62
Q4 2022	186,134	$78	$403.63	$344.63 - $457.93
Q3 2022	183,214	$76,429	$498.57	$406.24 - $572.70
Q2 2022	178,579	$88,391	$520.81	$462.61 - $607.54
Q1 2022	177,140	$99,797	$602.81	$524.19 - $752.17
Q4 2021	176,924	$133,682	$748.36	$703.67 - $798.97
Q3 2021	175,295	$130,770	$749.10	$644.34 - $832.70
Q2 2021	177,390	$114,292	$608.62	$569.46 - $657.79
Q1 2021	173,827	$99,274	$592.18	$545.00 - $689.00
Q4 2020	167,930	$97,880	$569.50	$507.22 - $648.39
Q3 2020	167,230	$86,197	$506.50	$443.80 - $540.06
Q2 2020	165,490	$74,686	$441.30	$330.00 - $497.42
Q1 2020	160,850	$56,380	$367.68	$309.38 - $413.02
Q4 2019	175,981	$65,118	$352.55	$319.26 - $376.43
Q3 2019	183,086	$60,924	$326.21	$303.82 - $348.39
Q2 2019	198,547	$62,052	$299.43	$281.66 - $319.99
Q1 2019	241,120	$73,703	$269.86	$223.89 - $323.95
Q4 2018	220,844	$51,282	$268.31	$220.05 - $315.00
Q3 2018	190,659	$59,672	$310.39	$285.83 - $345.15
Q2 2018	173,985	$50,202	$276.12	$240.01 - $304.36
Q1 2018	176,062	$44,030	$254.62	$231.00 - $279.59
Q4 2017	184,320	$43,995	$242.32	$214.44 - $273.87
Q3 2017	206,964	$45,992	$225.03	$208.95 - $242.79
Q2 2017	222,200	$50,283	$217.91	$198.25 - $230.40
Q1 2017	273,002	$54,419	$192.61	$181.87 - $209.50
Q4 2016	271,115	$49,421	$170.48	$154.89 - $184.89
Q3 2016	276,843	$45,346	$151.78	$140.53 - $164.45
Q2 2016	270,158	$38,631	$142.64	$135.02 - $150.00
Q1 2016	269,315	$36,820	$131.28	$122.03 - $139.63
Q4 2015	259,620	$36,001	$138.61	$132.49 - $142.48
Q3 2015	249,466	$33,505	$143.92	$131.25 - $152.38
Q2 2015	244,284	$36,792	$143.07	$133.38 - $151.97
Q1 2015	232,920	$31,484	$123.95	$112.51 - $137.23
Q4 2014	178,991	$21,583	$115.09	$102.71 - $122.93
Q3 2014	146,985	$16,673	$118.49	$113.37 - $122.73
Q2 2014	144,713	$17,321	$122.10	$117.98 - $131.42
Q1 2014	128,416	$16,450	$128.18	$120.43 - $134.13
Q4 2013	128,523	$15,888	$121.86	$115.25 - $125.00
Q3 2013	116,039	$13,639	$117.94	$111.49 - $126.98
Q2 2013	108,669	$12,192	$117.30	$110.02 - $127.17