Frontier 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
-178,241
Closed -$9.02M 307
2024
Q4
$9.02M Sell
178,241
-2,626,483
-94% -$133M 0.09% 228
2024
Q3
$109M Sell
2,804,724
-131,013
-4% -$5.11M 1.03% 12
2024
Q2
$107M Buy
2,935,737
+727,817
+33% +$26.6M 1.06% 12
2024
Q1
$98.4M Buy
2,207,920
+1,732,466
+364% +$77.2M 0.92% 19
2023
Q4
$18.3M Buy
475,454
+590
+0.1% +$22.7K 0.18% 171
2023
Q3
$14.8M Sell
474,864
-4,728
-1% -$147K 0.16% 171
2023
Q2
$18.2M Sell
479,592
-4,908
-1% -$186K 0.17% 164
2023
Q1
$13.8M Sell
484,500
-43,804
-8% -$1.25M 0.14% 171
2022
Q4
$15M Sell
528,304
-1,566
-0.3% -$44.5K 0.16% 176
2022
Q3
$12.5M Sell
529,870
-2,824
-0.5% -$66.5K 0.15% 180
2022
Q2
$12.2M Sell
532,694
-86,653
-14% -$1.98M 0.14% 192
2022
Q1
$18.9M Sell
619,347
-471,172
-43% -$14.4M 0.17% 172
2021
Q4
$43M Buy
1,090,519
+109,876
+11% +$4.34M 0.34% 104
2021
Q3
$30.8M Sell
980,643
-39,191
-4% -$1.23M 0.24% 140
2021
Q2
$34.9M Buy
1,019,834
+647,529
+174% +$22.2M 0.26% 142
2021
Q1
$10.3M Buy
+372,305
New +$10.3M 0.08% 223