CDW CORP

Ticker: CDW CUSIP: 12514G108 Class: COM

Barnett & Company, Inc.'s Holding History (CIK: 0001426588)

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

Q4 2021

Shares 30 Value ($000) $6 Avg Close $180.53 Range $163.37 - $197.48

Q1 2020

Shares 19 Value ($000) $2 Avg Close $114.00 Range $68.44 - $135.85

Q4 2019

Shares 56 Value ($000) $8 Avg Close $122.84 Range $109.01 - $134.79

Q3 2019

Shares 13 Value ($000) $2 Avg Close $106.19 Range $98.04 - $115.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	30	$6	$180.53	$163.37 - $197.48
Q1 2020	19	$2	$114.00	$68.44 - $135.85
Q4 2019	56	$8	$122.84	$109.01 - $134.79
Q3 2019	13	$2	$106.19	$98.04 - $115.31