Westfield Capital Management’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2019
Q4
Sell
2019
Q3
$41M Sell
2019
Q2
$47.5M Sell
2019
Q1
$44.8M Buy
2018
Q4
$32.8M Buy
2018
Q3
$42.5M Sell
2018
Q2
$63.2M Sell
2018
Q1
$89.6M Sell
2017
Q4
$102M Sell
2017
Q3
$107M Buy
2017
Q2
$86.3M Buy
2017
Q1
$35.1M Sell
2016
Q4
$36.6M Buy
2016
Q3
$22.3M Buy
2016
Q2
$22M Buy