PMAM
SUM

Picton Mahoney Asset Management’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Picton Mahoney Asset Management’s Portfolio SUM Stock Details SUM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q1 		– Sell
2024
Q4 		$29.9M Buy
2018
Q2 		– Sell
2018
Q1 		$3.25M Sell
2017
Q4 		$5.07M Sell
2017
Q3 		$14.4M Buy
2017
Q2 		$12.4M Buy
2017
Q1 		$10.2M Sell
2016
Q4 		$14.2M Buy