CDW CORP

Ticker: CDW CUSIP: 12514G108 Class: COM

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q3 2017

Shares 52,400 Value ($000) $3,458 Avg Close $56.63 Range $53.08 - $60.54

Q2 2017

Shares 24,800 Value ($000) $1,550 Avg Close $53.99 Range $50.30 - $59.95

Q1 2017

Shares 24,800 Value ($000) $1,431 Avg Close $50.65 Range $45.39 - $54.98

Q3 2016

Shares 14,600 Value ($000) $667 Avg Close $39.25 Range $35.02 - $42.57

Q2 2016

Shares 47,000 Value ($000) $1,883 Avg Close $37.03 Range $33.71 - $38.50

Q1 2016

Shares 47,000 Value ($000) $1,950 Avg Close $34.71 Range $27.03 - $37.36

Q4 2015

Shares 6,200 Value ($000) $260 Avg Close $38.66 Range $35.55 - $41.63

Q1 2015

Shares 18,700 Value ($000) $696 Avg Close $32.16 Range $29.30 - $33.98

Q4 2014

Shares 18,700 Value ($000) $657 Avg Close $28.50 Range $24.29 - $31.84

Q3 2014

Shares 18,700 Value ($000) $580 Avg Close $27.82 Range $26.48 - $29.76

Q2 2014

Shares 18,700 Value ($000) $596 Avg Close $25.78 Range $23.45 - $28.50

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	52,400	$3,458	$56.63	$53.08 - $60.54
Q2 2017	24,800	$1,550	$53.99	$50.30 - $59.95
Q1 2017	24,800	$1,431	$50.65	$45.39 - $54.98
Q3 2016	14,600	$667	$39.25	$35.02 - $42.57
Q2 2016	47,000	$1,883	$37.03	$33.71 - $38.50
Q1 2016	47,000	$1,950	$34.71	$27.03 - $37.36
Q4 2015	6,200	$260	$38.66	$35.55 - $41.63
Q1 2015	18,700	$696	$32.16	$29.30 - $33.98
Q4 2014	18,700	$657	$28.50	$24.29 - $31.84
Q3 2014	18,700	$580	$27.82	$26.48 - $29.76
Q2 2014	18,700	$596	$25.78	$23.45 - $28.50