10X GENOMICS INC

Ticker: TXG CUSIP: 88025U109 Class: Common Stock

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q4 2021

Shares 1,066,422 Value ($000) $158,854 Avg Close $153.17 Range $129.00 - $187.85

Q3 2021

Shares 1,109,886 Value ($000) $161,577 Avg Close $171.69 Range $144.73 - $197.09

Q2 2021

Shares 1,126,207 Value ($000) $220,534 Avg Close $180.98 Range $128.15 - $208.99

Q1 2021

Shares 1,149,746 Value ($000) $208,104 Avg Close $172.69 Range $137.77 - $201.70

Q4 2020

Shares 1,282,261 Value ($000) $181,568 Avg Close $145.11 Range $123.34 - $166.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	1,066,422	$158,854	$153.17	$129.00 - $187.85
Q3 2021	1,109,886	$161,577	$171.69	$144.73 - $197.09
Q2 2021	1,126,207	$220,534	$180.98	$128.15 - $208.99
Q1 2021	1,149,746	$208,104	$172.69	$137.77 - $201.70
Q4 2020	1,282,261	$181,568	$145.11	$123.34 - $166.31