Frontier 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
2025
Q1
Sell
2024
Q4
$9.02M Sell
2024
Q3
$109M Sell
2024
Q2
$107M Buy
2024
Q1
$98.4M Buy
2023
Q4
$18.3M Buy
2023
Q3
$14.8M Sell
2023
Q2
$18.2M Sell
2023
Q1
$13.8M Sell
2022
Q4
$15M Sell
2022
Q3
$12.5M Sell
2022
Q2
$12.2M Sell
2022
Q1
$18.9M Sell
2021
Q4
$43M Buy
2021
Q3
$30.8M Sell
2021
Q2
$34.9M Buy
2021
Q1
$10.3M Buy