CDW CORP

Ticker: CDW CUSIP: 12514G108 Class: COM

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q1 2020
Shares 6,300 Value ($000) $588 Avg Close $114.00 Range $68.44 - $135.85
Q4 2019
Shares 7,415 Value ($000) $1,059 Avg Close $122.84 Range $109.01 - $134.79
Q3 2019
Shares 7,415 Value ($000) $914 Avg Close $106.19 Range $98.04 - $115.31
Q2 2019
Shares 7,930 Value ($000) $880 Avg Close $96.89 Range $89.52 - $103.06
Q1 2019
Shares 7,930 Value ($000) $764 Avg Close $82.18 Range $69.95 - $91.59
Q4 2018
Shares 8,430 Value ($000) $683 Avg Close $79.03 Range $68.34 - $88.97
Q3 2018
Shares 5,430 Value ($000) $483 Avg Close $79.14 Range $73.20 - $82.94