CDW CORP

Ticker: CDW CUSIP: 12514G108 Class: COM

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q4 2019

Shares 1,625 Value ($000) $232 Avg Close $122.84 Range $109.01 - $134.79

Q3 2019

Shares 1,657 Value ($000) $204 Avg Close $106.19 Range $98.04 - $115.31

Q1 2015

Shares 18,071 Value ($000) $673 Avg Close $32.16 Range $29.30 - $33.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	1,625	$232	$122.84	$109.01 - $134.79
Q3 2019	1,657	$204	$106.19	$98.04 - $115.31
Q1 2015	18,071	$673	$32.16	$29.30 - $33.98