BlackRock’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
-9,993,637
Closed -$506M 5559
2024
Q4
$506M Sell
9,993,637
-55,338
-0.6% -$2.59M 0.01% 1081
2024
Q3
$392M Sell
10,048,975
-225,000
-2% -$8.65M 0.01% 1243
2024
Q2
$376M Buy
10,273,975
+257,131
+3% +$10.1M 0.01% 1194
2024
Q1
$446M Sell
10,016,844
-1,348,307
-12% -$53.3M 0.01% 1119
2023
Q4
$437M Buy
11,365,151
+1,012,957
+10% +$35.1M 0.01% 1113
2023
Q3
$322M Buy
10,352,194
+735,865
+8% +$26.2M 0.01% 1221
2023
Q2
$364M Buy
9,616,329
+485,086
+5% +$15M 0.01% 1156
2023
Q1
$260M Sell
9,131,243
-41,774
-0.5% -$1.26M 0.01% 1366
2022
Q4
$260M Sell
9,173,017
-240,734
-3% -$6.63M 0.01% 1337
2022
Q3
$222M Sell
9,413,751
-158,577
-2% -$4.26M 0.01% 1394
2022
Q2
$219M Buy
9,572,328
+385,898
+4% +$10.2M 0.01% 1458
2022
Q1
$281M Buy
9,186,430
+59,432
+0.7% +$1.98M 0.01% 1417
2021
Q4
$360M Buy
9,126,998
+175,137
+2% +$6.41M 0.01% 1282
2021
Q3
$281M Sell
8,951,861
-614,044
-6% -$20M 0.01% 1464
2021
Q2
$328M Sell
9,565,905
-74,719
-0.8% -$2.36M 0.01% 1404
2021
Q1
$266M Buy
9,640,624
+124,873
+1% +$3.14M 0.01% 1509
2020
Q4
$188M Buy
9,515,751
+283,593
+3% +$5.27M 0.01% 1669
2020
Q3
$150M Buy
9,232,158
+167,470
+2% +$2.68M 0.01% 1618
2020
Q2
$143M Buy
9,064,688
+235,391
+3% +$3.38M 0.01% 1593
2020
Q1
$130M Sell
8,829,297
-109,238
-1% -$2.12M 0.01% 1467
2019
Q4
$210M Buy
8,938,535
+672,048
+8% +$15.3M 0.01% 1449
2019
Q3
$180M Buy
8,266,487
+472,788
+6% +$9.34M 0.01% 1485
2019
Q2
$148M Buy
7,793,699
+98,860
+1% +$1.57M 0.01% 1648
2019
Q1
$120M Sell
7,694,839
-236,651
-3% -$3.7M 0.01% 1758
2018
Q4
$96.7M Buy
7,931,490
+112,613
+1% +$1.56M ﹤0.01% 1826
2018
Q3
$140M Buy
7,818,877
+130,213
+2% +$2.83M 0.01% 1735
2018
Q2
$198M Buy
7,688,664
+623,015
+9% +$17.4M 0.01% 1469
2018
Q1
$210M Sell
7,065,649
-110,997
-2% -$3.42M 0.01% 1321
2017
Q4
$222M Buy
7,176,646
+266,568
+4% +$8.02M 0.01% 1286
2017
Q3
$215M Buy
6,910,078
+124,156
+2% +$3.52M 0.01% 1292
2017
Q2
$190M Sell
6,785,922
-971,912
-13% -$25.3M 0.01% 1334
2017
Q1
$186M Buy
7,757,834
+7,744,297
+57,208% +$182M 0.01% 1352
2016
Q4
$313K Buy
13,537
+5,492
+68% +$115K ﹤0.01% 1895
2016
Q3
$143K Sell
8,045
-10,953
-58% -$212K ﹤0.01% 2377
2016
Q2
$373K Buy
18,998
+17,097
+899% +$342K ﹤0.01% 1787
2016
Q1
$35K Sell
1,901
-1,833
-49% -$30K ﹤0.01% 2557
2015
Q4
$72K Buy
3,734
+2,276
+156% +$46.4K ﹤0.01% 1885
2015
Q3
$26K Buy
1,458
+848
+139% +$19.5K ﹤0.01% 2236
2015
Q2
$15K Buy
+610
New +$14.5K ﹤0.01% 2554

Other funds holding SUM