Dimensional Fund Advisors
SUM

Dimensional Fund Advisors’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q1
Sell
-3,147,009
Closed -$159M 3379
2024
Q4
$159M Sell
3,147,009
-1,035,244
-25% -$52.4M 0.04% 640
2024
Q3
$163M Sell
4,182,253
-145,188
-3% -$5.67M 0.04% 638
2024
Q2
$158M Sell
4,327,441
-540,509
-11% -$19.8M 0.04% 588
2024
Q1
$217M Sell
4,867,950
-590,864
-11% -$26.3M 0.06% 395
2023
Q4
$210M Sell
5,458,814
-77,813
-1% -$2.99M 0.06% 373
2023
Q3
$172M Sell
5,536,627
-442,634
-7% -$13.8M 0.06% 409
2023
Q2
$226M Sell
5,979,261
-148,066
-2% -$5.6M 0.07% 282
2023
Q1
$175M Buy
6,127,327
+128,368
+2% +$3.66M 0.06% 386
2022
Q4
$170K Buy
5,998,959
+388,522
+7% +$11K 0.05% 405
2022
Q3
$134M Buy
5,610,437
+101,559
+2% +$2.43M 0.05% 484
2022
Q2
$128M Buy
5,508,878
+181,644
+3% +$4.23M 0.05% 534
2022
Q1
$165M Sell
5,327,234
-273,162
-5% -$8.48M 0.05% 466
2021
Q4
$225M Sell
5,600,396
-347,498
-6% -$13.9M 0.07% 315
2021
Q3
$190M Buy
5,947,894
+88,520
+2% +$2.83M 0.06% 374
2021
Q2
$204M Sell
5,859,374
-76,915
-1% -$2.68M 0.06% 337
2021
Q1
$166M Sell
5,936,289
-101,844
-2% -$2.85M 0.06% 440
2020
Q4
$121M Sell
6,038,133
-139,540
-2% -$2.8M 0.04% 584
2020
Q3
$102M Buy
6,177,673
+186,245
+3% +$3.08M 0.04% 561
2020
Q2
$96.3M Buy
5,991,428
+478,295
+9% +$7.69M 0.04% 586
2020
Q1
$82.7M Buy
5,513,133
+5,154
+0.1% +$77.3K 0.04% 565
2019
Q4
$132M Sell
5,507,979
-368,767
-6% -$8.81M 0.05% 528
2019
Q3
$130M Buy
5,876,746
+144,346
+3% +$3.2M 0.05% 479
2019
Q2
$110M Buy
5,732,400
+987,957
+21% +$19M 0.04% 598
2019
Q1
$75.3M Buy
4,744,443
+1,158,481
+32% +$18.4M 0.03% 936
2018
Q4
$44.5M Buy
3,585,962
+1,371,491
+62% +$17M 0.02% 1385
2018
Q3
$40.3M Buy
2,214,471
+325,197
+17% +$5.91M 0.02% 1664
2018
Q2
$49.6M Buy
1,889,274
+155,822
+9% +$4.09M 0.02% 1436
2018
Q1
$52.5M Buy
1,733,452
+229,748
+15% +$6.96M 0.02% 1290
2017
Q4
$47.3M Buy
1,503,704
+141,232
+10% +$4.44M 0.02% 1411
2017
Q3
$43.6M Buy
1,362,472
+157,773
+13% +$5.05M 0.02% 1454
2017
Q2
$34.8M Buy
1,204,699
+276,160
+30% +$7.97M 0.02% 1614
2017
Q1
$22.9M Buy
928,539
+666,872
+255% +$16.5M 0.01% 1906
2016
Q4
$6.23M Buy
+261,667
New +$6.23M ﹤0.01% 2484