BIO RAD LABS INC

Ticker: BIO CUSIP: 090572207 Class: COM

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q1 2025

Shares 357 Value ($000) $87 Avg Close $300.83 Range $235.84 - $373.69

Q4 2023

Shares 28,402 Value ($000) $9,171 Avg Close $313.43 Range $261.59 - $366.30

Q4 2022

Shares 1,727 Value ($000) $726 Avg Close $403.63 Range $344.63 - $457.93

Q3 2021

Shares 1,392 Value ($000) $1,038 Avg Close $749.10 Range $644.34 - $832.70

Q1 2020

Shares 19 Value ($000) $7 Avg Close $367.68 Range $309.38 - $413.02

Q4 2019

Shares 4,960 Value ($000) $1,835 Avg Close $352.55 Range $319.26 - $376.43

Q3 2019

Shares 8,250 Value ($000) $2,745 Avg Close $326.21 Range $303.82 - $348.39

Q2 2019

Shares 4,571 Value ($000) $1,429 Avg Close $299.43 Range $281.66 - $319.99

Q1 2019

Shares 27,058 Value ($000) $8,271 Avg Close $269.86 Range $223.89 - $323.95

Q4 2018

Shares 3,414 Value ($000) $793 Avg Close $268.31 Range $220.05 - $315.00

Q1 2018

Shares 4,999 Value ($000) $1,250 Avg Close $254.62 Range $231.00 - $279.59

Q4 2017

Shares 6,466 Value ($000) $1,543 Avg Close $242.32 Range $214.44 - $273.87

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	357	$87	$300.83	$235.84 - $373.69
Q4 2023	28,402	$9,171	$313.43	$261.59 - $366.30
Q4 2022	1,727	$726	$403.63	$344.63 - $457.93
Q3 2021	1,392	$1,038	$749.10	$644.34 - $832.70
Q1 2020	19	$7	$367.68	$309.38 - $413.02
Q4 2019	4,960	$1,835	$352.55	$319.26 - $376.43
Q3 2019	8,250	$2,745	$326.21	$303.82 - $348.39
Q2 2019	4,571	$1,429	$299.43	$281.66 - $319.99
Q1 2019	27,058	$8,271	$269.86	$223.89 - $323.95
Q4 2018	3,414	$793	$268.31	$220.05 - $315.00
Q1 2018	4,999	$1,250	$254.62	$231.00 - $279.59
Q4 2017	6,466	$1,543	$242.32	$214.44 - $273.87