Bank of Montreal’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
-7,121
Closed -$360K 3312
2024
Q4
$360K Sell
7,121
-1
-0% -$51 ﹤0.01% 2161
2024
Q3
$276K Hold
7,122
﹤0.01% 2532
2024
Q2
$261K Sell
7,122
-384
-5% -$14.1K ﹤0.01% 2554
2024
Q1
$335K Sell
7,506
-8,311
-53% -$371K ﹤0.01% 2426
2023
Q4
$614K Sell
15,817
-1
-0% -$39 ﹤0.01% 1992
2023
Q3
$599K Sell
15,818
-39
-0.2% -$1.48K ﹤0.01% 1995
2023
Q2
$601K Sell
15,857
-6,464
-29% -$245K ﹤0.01% 2127
2023
Q1
$665K Buy
22,321
+8,070
+57% +$240K ﹤0.01% 2068
2022
Q4
$424K Sell
14,251
-123,351
-90% -$3.67M ﹤0.01% 2316
2022
Q3
$3.6K Buy
137,602
+122,360
+803% +$3.21K ﹤0.01% 1282
2022
Q2
$409 Buy
15,242
+3,496
+30% +$94 ﹤0.01% 2431
2022
Q1
$366K Buy
11,746
+1,908
+19% +$59.5K ﹤0.01% 2619
2021
Q4
$391K Sell
9,838
-94,680
-91% -$3.76M ﹤0.01% 2511
2021
Q3
$3.37M Buy
104,518
+20,087
+24% +$648K ﹤0.01% 1680
2021
Q2
$2.92M Sell
84,431
-28,168
-25% -$974K ﹤0.01% 1746
2021
Q1
$3.16M Sell
112,599
-62,095
-36% -$1.74M ﹤0.01% 1366
2020
Q4
$4.16M Sell
174,694
-31,220
-15% -$744K ﹤0.01% 1269
2020
Q3
$3.61M Sell
205,914
-6,296
-3% -$110K ﹤0.01% 1221
2020
Q2
$3.31M Buy
212,210
+208,451
+5,545% +$3.25M ﹤0.01% 1212
2020
Q1
$49K Sell
3,759
-16,897
-82% -$220K ﹤0.01% 2609
2019
Q4
$486K Buy
20,656
+4,413
+27% +$104K ﹤0.01% 2256
2019
Q3
$354K Buy
16,243
+915
+6% +$19.9K ﹤0.01% 2191
2019
Q2
$290K Buy
15,328
+9,676
+171% +$183K ﹤0.01% 2319
2019
Q1
$88K Sell
5,652
-5,463
-49% -$85.1K ﹤0.01% 2737
2018
Q4
$136K Buy
11,115
+3,331
+43% +$40.8K ﹤0.01% 2501
2018
Q3
$139K Buy
7,784
+1,989
+34% +$35.5K ﹤0.01% 2664
2018
Q2
$149K Buy
5,795
+2,060
+55% +$53K ﹤0.01% 2624
2018
Q1
$112K Buy
3,735
+353
+10% +$10.6K ﹤0.01% 2674
2017
Q4
$104K Buy
3,382
+2,547
+305% +$78.3K ﹤0.01% 2708
2017
Q3
$26K Hold
835
﹤0.01% 3161
2017
Q2
$23K Sell
835
-83
-9% -$2.29K ﹤0.01% 3190
2017
Q1
$22K Buy
918
+635
+224% +$15.2K ﹤0.01% 3082
2016
Q4
$7K Buy
283
+255
+911% +$6.31K ﹤0.01% 3385
2016
Q3
$1K Buy
+28
New +$1K ﹤0.01% 3681
2016
Q1
Sell
-508,898
Closed -$9.77M 4066
2015
Q4
$9.77M Buy
508,898
+17,877
+4% +$343K 0.01% 704
2015
Q3
$8.7M Buy
491,021
+146,905
+43% +$2.6M 0.01% 725
2015
Q2
$8.28M Buy
+344,116
New +$8.28M 0.01% 842