Weitz Investment 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
2021
Q2
Sell
2021
Q1
$36.4M Sell
2020
Q4
$34.6M Hold
2020
Q3
$28.5M Hold
2020
Q2
$27.7M Sell
2020
Q1
$27.3M Buy
2019
Q4
$41.2M Sell
2019
Q3
$42.7M Sell
2019
Q2
$46.9M Buy
2019
Q1
$35.2M Sell
2018
Q4
$29.4M Buy
2018
Q3
$29.1M Buy
2018
Q2
$4.86M Buy
2017
Q2
Sell
2017
Q1
$463K Hold
2016
Q4
$445K Sell
2016
Q3
$390K Hold
2016
Q2
$430K Hold
2016
Q1
$408K Buy