CONSTELLATION SOFTWARE INC

Ticker: CNSWF CUSIP: 21037X100 Class: Common Stock

THORNBURG INVESTMENT MANAGEMENT INC's Holding History (CIK: 0001145020)

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

Q4 2016

Shares 16,065 Value ($000) $7,309 Avg Close $431.65 Range $410.28 - $455.43

Q3 2016

Shares 18,653 Value ($000) $8,431 Avg Close $392.93 Range $359.22 - $429.15

Q2 2016

Shares 17,219 Value ($000) $6,629 Avg Close $378.46 Range $347.63 - $400.44

Q1 2016

Shares 15,951 Value ($000) $6,535 Avg Close $353.82 Range $293.60 - $405.90

Q4 2015

Shares 9,104 Value ($000) $3,794 Avg Close $397.91 Range $382.42 - $416.44

Q3 2015

Shares 8,232 Value ($000) $3,447 Avg Close $397.19 Range $348.12 - $431.49

Q2 2015

Shares 8,059 Value ($000) $3,241 Avg Close $378.61 Range $314.48 - $400.75

Q1 2015

Shares 10,735 Value ($000) $3,763 Avg Close $293.93 Range $252.61 - $330.01

Q4 2014

Shares 12,309 Value ($000) $3,619 Avg Close $255.93 Range $221.46 - $277.92

Q3 2014

Shares 15,443 Value ($000) $3,890 Avg Close $228.43 Range $215.76 - $236.03

Q2 2014

Shares 16,913 Value ($000) $4,262 Avg Close $213.51 Range $196.04 - $236.88

Q1 2014

Shares 18,512 Value ($000) $4,522 Avg Close $201.37 Range $182.62 - $224.16

Q4 2013

Shares 12,683 Value ($000) $2,680 Avg Close $169.67 Range $154.75 - $191.80

Q3 2013

Shares 6,203 Value ($000) $1,093 Avg Close $141.84 Range $124.61 - $158.96

Q2 2013

Shares 4,030 Value ($000) $555 Avg Close $124.14 Range $111.12 - $133.73

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	16,065	$7,309	$431.65	$410.28 - $455.43
Q3 2016	18,653	$8,431	$392.93	$359.22 - $429.15
Q2 2016	17,219	$6,629	$378.46	$347.63 - $400.44
Q1 2016	15,951	$6,535	$353.82	$293.60 - $405.90
Q4 2015	9,104	$3,794	$397.91	$382.42 - $416.44
Q3 2015	8,232	$3,447	$397.19	$348.12 - $431.49
Q2 2015	8,059	$3,241	$378.61	$314.48 - $400.75
Q1 2015	10,735	$3,763	$293.93	$252.61 - $330.01
Q4 2014	12,309	$3,619	$255.93	$221.46 - $277.92
Q3 2014	15,443	$3,890	$228.43	$215.76 - $236.03
Q2 2014	16,913	$4,262	$213.51	$196.04 - $236.88
Q1 2014	18,512	$4,522	$201.37	$182.62 - $224.16
Q4 2013	12,683	$2,680	$169.67	$154.75 - $191.80
Q3 2013	6,203	$1,093	$141.84	$124.61 - $158.96
Q2 2013	4,030	$555	$124.14	$111.12 - $133.73