BIO RAD LABS INC

Ticker: BIO CUSIP: 090572207 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2025

Shares 216,171 Value ($000) $65,498 Avg Close $312.04 Range $280.61 - $343.12

Q3 2025

Shares 226,006 Value ($000) $63,370 Avg Close $272.13 Range $237.63 - $308.44

Q2 2025

Shares 226,505 Value ($000) $54,660 Avg Close $236.40 Range $211.43 - $260.00

Q1 2025

Shares 261,122 Value ($000) $63,599 Avg Close $300.83 Range $235.84 - $373.69

Q4 2024

Shares 260,868 Value ($000) $85,698 Avg Close $339.43 Range $306.42 - $387.99

Q3 2024

Shares 209,820 Value ($000) $70,202 Avg Close $317.61 Range $262.12 - $353.09

Q2 2024

Shares 248,728 Value ($000) $67,930 Avg Close $290.85 Range $266.52 - $346.83

Q1 2024

Shares 253,533 Value ($000) $87,689 Avg Close $328.84 Range $302.65 - $364.24

Q4 2023

Shares 252,395 Value ($000) $81,496 Avg Close $313.43 Range $261.59 - $366.30

Q3 2023

Shares 261,660 Value ($000) $93,792 Avg Close $385.83 Range $349.27 - $431.79

Q2 2023

Shares 244,852 Value ($000) $92,828 Avg Close $406.95 Range $356.51 - $494.05

Q1 2023

Shares 261,311 Value ($000) $125,173 Avg Close $468.12 Range $415.04 - $509.62

Q4 2022

Shares 259,452 Value ($000) $109,097 Avg Close $403.63 Range $344.63 - $457.93

Q3 2022

Shares 248,480 Value ($000) $103,651 Avg Close $498.57 Range $406.24 - $572.70

Q2 2022

Shares 253,250 Value ($000) $125,360 Avg Close $520.81 Range $462.61 - $607.54

Q1 2022

Shares 254,247 Value ($000) $143,200 Avg Close $602.81 Range $524.19 - $752.17

Q4 2021

Shares 254,486 Value ($000) $192,282 Avg Close $748.36 Range $703.67 - $798.97

Q3 2021

Shares 260,362 Value ($000) $194,217 Avg Close $749.10 Range $644.34 - $832.70

Q2 2021

Shares 274,128 Value ($000) $176,619 Avg Close $608.62 Range $569.46 - $657.79

Q1 2021

Shares 256,965 Value ($000) $146,771 Avg Close $592.18 Range $545.00 - $689.00

Q4 2020

Shares 258,425 Value ($000) $150,646 Avg Close $569.50 Range $507.22 - $648.39

Q3 2020

Shares 256,749 Value ($000) $132,344 Avg Close $506.50 Range $443.80 - $540.06

Q2 2020

Shares 257,419 Value ($000) $116,223 Avg Close $441.30 Range $330.00 - $497.42

Q1 2020

Shares 236,097 Value ($000) $82,766 Avg Close $367.68 Range $309.38 - $413.02

Q4 2019

Shares 229,778 Value ($000) $85,024 Avg Close $352.55 Range $319.26 - $376.43

Q3 2019

Shares 194,811 Value ($000) $64,822 Avg Close $326.21 Range $303.82 - $348.39

Q2 2019

Shares 190,625 Value ($000) $59,587 Avg Close $299.43 Range $281.66 - $319.99

Q1 2019

Shares 190,628 Value ($000) $58,271 Avg Close $269.86 Range $223.89 - $323.95

Q4 2018

Shares 186,372 Value ($000) $43,279 Avg Close $268.31 Range $220.05 - $315.00

Q3 2018

Shares 185,541 Value ($000) $58,072 Avg Close $310.39 Range $285.83 - $345.15

Q2 2018

Shares 186,893 Value ($000) $53,926 Avg Close $276.12 Range $240.01 - $304.36

Q1 2018

Shares 187,801 Value ($000) $46,965 Avg Close $254.62 Range $231.00 - $279.59

Q4 2017

Shares 186,852 Value ($000) $44,596 Avg Close $242.32 Range $214.44 - $273.87

Q3 2017

Shares 206,391 Value ($000) $45,864 Avg Close $225.03 Range $208.95 - $242.79

Q2 2017

Shares 214,472 Value ($000) $48,537 Avg Close $217.91 Range $198.25 - $230.40

Q1 2017

Shares 273,211 Value ($000) $54,462 Avg Close $192.61 Range $181.87 - $209.50

Q4 2016

Shares 219,069 Value ($000) $39,933 Avg Close $170.48 Range $154.89 - $184.89

Q3 2016

Shares 241,127 Value ($000) $39,499 Avg Close $151.78 Range $140.53 - $164.45

Q2 2016

Shares 239,830 Value ($000) $34,300 Avg Close $142.64 Range $135.02 - $150.00

Q1 2016

Shares 244,073 Value ($000) $33,284 Avg Close $131.28 Range $122.03 - $139.63

Q4 2015

Shares 235,085 Value ($000) $32,597 Avg Close $138.61 Range $132.49 - $142.48

Q3 2015

Shares 228,598 Value ($000) $30,704 Avg Close $143.92 Range $131.25 - $152.38

Q2 2015

Shares 229,849 Value ($000) $34,617 Avg Close $143.07 Range $133.38 - $151.97

Q1 2015

Shares 277,502 Value ($000) $37,513 Avg Close $123.95 Range $112.51 - $137.23

Q4 2014

Shares 269,157 Value ($000) $32,450 Avg Close $115.09 Range $102.71 - $122.93

Q3 2014

Shares 268,093 Value ($000) $30,402 Avg Close $118.49 Range $113.37 - $122.73

Q2 2014

Shares 268,680 Value ($000) $32,164 Avg Close $122.10 Range $117.98 - $131.42

Q1 2014

Shares 260,568 Value ($000) $33,384 Avg Close $128.18 Range $120.43 - $134.13

Q4 2013

Shares 260,074 Value ($000) $32,148 Avg Close $121.86 Range $115.25 - $125.00

Q3 2013

Shares 257,255 Value ($000) $30,243 Avg Close $117.94 Range $111.49 - $126.98

Q2 2013

Shares 241,811 Value ($000) $27,131 Avg Close $117.30 Range $110.02 - $127.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	216,171	$65,498	$312.04	$280.61 - $343.12
Q3 2025	226,006	$63,370	$272.13	$237.63 - $308.44
Q2 2025	226,505	$54,660	$236.40	$211.43 - $260.00
Q1 2025	261,122	$63,599	$300.83	$235.84 - $373.69
Q4 2024	260,868	$85,698	$339.43	$306.42 - $387.99
Q3 2024	209,820	$70,202	$317.61	$262.12 - $353.09
Q2 2024	248,728	$67,930	$290.85	$266.52 - $346.83
Q1 2024	253,533	$87,689	$328.84	$302.65 - $364.24
Q4 2023	252,395	$81,496	$313.43	$261.59 - $366.30
Q3 2023	261,660	$93,792	$385.83	$349.27 - $431.79
Q2 2023	244,852	$92,828	$406.95	$356.51 - $494.05
Q1 2023	261,311	$125,173	$468.12	$415.04 - $509.62
Q4 2022	259,452	$109,097	$403.63	$344.63 - $457.93
Q3 2022	248,480	$103,651	$498.57	$406.24 - $572.70
Q2 2022	253,250	$125,360	$520.81	$462.61 - $607.54
Q1 2022	254,247	$143,200	$602.81	$524.19 - $752.17
Q4 2021	254,486	$192,282	$748.36	$703.67 - $798.97
Q3 2021	260,362	$194,217	$749.10	$644.34 - $832.70
Q2 2021	274,128	$176,619	$608.62	$569.46 - $657.79
Q1 2021	256,965	$146,771	$592.18	$545.00 - $689.00
Q4 2020	258,425	$150,646	$569.50	$507.22 - $648.39
Q3 2020	256,749	$132,344	$506.50	$443.80 - $540.06
Q2 2020	257,419	$116,223	$441.30	$330.00 - $497.42
Q1 2020	236,097	$82,766	$367.68	$309.38 - $413.02
Q4 2019	229,778	$85,024	$352.55	$319.26 - $376.43
Q3 2019	194,811	$64,822	$326.21	$303.82 - $348.39
Q2 2019	190,625	$59,587	$299.43	$281.66 - $319.99
Q1 2019	190,628	$58,271	$269.86	$223.89 - $323.95
Q4 2018	186,372	$43,279	$268.31	$220.05 - $315.00
Q3 2018	185,541	$58,072	$310.39	$285.83 - $345.15
Q2 2018	186,893	$53,926	$276.12	$240.01 - $304.36
Q1 2018	187,801	$46,965	$254.62	$231.00 - $279.59
Q4 2017	186,852	$44,596	$242.32	$214.44 - $273.87
Q3 2017	206,391	$45,864	$225.03	$208.95 - $242.79
Q2 2017	214,472	$48,537	$217.91	$198.25 - $230.40
Q1 2017	273,211	$54,462	$192.61	$181.87 - $209.50
Q4 2016	219,069	$39,933	$170.48	$154.89 - $184.89
Q3 2016	241,127	$39,499	$151.78	$140.53 - $164.45
Q2 2016	239,830	$34,300	$142.64	$135.02 - $150.00
Q1 2016	244,073	$33,284	$131.28	$122.03 - $139.63
Q4 2015	235,085	$32,597	$138.61	$132.49 - $142.48
Q3 2015	228,598	$30,704	$143.92	$131.25 - $152.38
Q2 2015	229,849	$34,617	$143.07	$133.38 - $151.97
Q1 2015	277,502	$37,513	$123.95	$112.51 - $137.23
Q4 2014	269,157	$32,450	$115.09	$102.71 - $122.93
Q3 2014	268,093	$30,402	$118.49	$113.37 - $122.73
Q2 2014	268,680	$32,164	$122.10	$117.98 - $131.42
Q1 2014	260,568	$33,384	$128.18	$120.43 - $134.13
Q4 2013	260,074	$32,148	$121.86	$115.25 - $125.00
Q3 2013	257,255	$30,243	$117.94	$111.49 - $126.98
Q2 2013	241,811	$27,131	$117.30	$110.02 - $127.17