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

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q1
Sell
-230,844
Closed -$11.7M 250
2024
Q4
$11.7M Buy
+230,844
New +$11.7M 0.22% 95
2019
Q1
Sell
-1,182,263
Closed -$14.4M 193
2018
Q4
$14.4M Buy
+1,182,263
New +$14.4M 0.28% 68
2017
Q4
Sell
-515,619
Closed -$16M 190
2017
Q3
$16M Sell
515,619
-618,743
-55% -$19.2M 0.21% 73
2017
Q2
$31.8M Buy
1,134,362
+20,238
+2% +$567K 0.44% 37
2017
Q1
$26.7M Buy
1,114,124
+801,042
+256% +$19.2M 0.31% 38
2016
Q4
$7.22M Buy
+313,082
New +$7.22M 0.15% 107