BIO RAD LABS INC

Ticker: BIO CUSIP: 090572207 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2021

Shares 429 Value ($000) $324 Avg Close $748.36 Range $703.67 - $798.97

Q3 2021

Shares 350 Value ($000) $261 Avg Close $749.10 Range $644.34 - $832.70

Q2 2021

Shares 362 Value ($000) $233 Avg Close $608.62 Range $569.46 - $657.79

Q1 2021

Shares 358 Value ($000) $204 Avg Close $592.18 Range $545.00 - $689.00

Q4 2020

Shares 367 Value ($000) $214 Avg Close $569.50 Range $507.22 - $648.39

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	429	$324	$748.36	$703.67 - $798.97
Q3 2021	350	$261	$749.10	$644.34 - $832.70
Q2 2021	362	$233	$608.62	$569.46 - $657.79
Q1 2021	358	$204	$592.18	$545.00 - $689.00
Q4 2020	367	$214	$569.50	$507.22 - $648.39