Wellington Management Group
SUM

Wellington Management Group’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
2020
Q4
Sell
-48,429
Closed -$801K 2032
2020
Q3
$801K Buy
+48,429
New +$801K ﹤0.01% 1603
2019
Q3
Sell
-1,604,455
Closed -$30.9M 2132
2019
Q2
$30.9M Sell
1,604,455
-226,918
-12% -$4.37M 0.01% 903
2019
Q1
$29.1M Sell
1,831,373
-41,174
-2% -$653K 0.01% 905
2018
Q4
$23.2M Buy
1,872,547
+252,457
+16% +$3.13M 0.01% 947
2018
Q3
$29.5M Sell
1,620,090
-1,227,776
-43% -$22.3M 0.01% 961
2018
Q2
$74.8M Buy
2,847,866
+394,700
+16% +$10.4M 0.02% 671
2018
Q1
$74.3M Buy
2,453,166
+1,050,234
+75% +$31.8M 0.02% 663
2017
Q4
$44.1M Buy
1,402,932
+3,377
+0.2% +$106K 0.01% 806
2017
Q3
$44.8M Buy
1,399,555
+93,245
+7% +$2.99M 0.01% 789
2017
Q2
$37.7M Buy
1,306,310
+757,766
+138% +$21.9M 0.01% 816
2017
Q1
$13.6M Buy
+548,544
New +$13.6M ﹤0.01% 1152
2016
Q4
Sell
-738,380
Closed -$13.7M 2262
2016
Q3
$13.7M Sell
738,380
-20,019
-3% -$371K ﹤0.01% 1084
2016
Q2
$15.5M Sell
758,399
-202,588
-21% -$4.14M ﹤0.01% 1030
2016
Q1
$18.7M Buy
960,987
+57,992
+6% +$1.13M ﹤0.01% 947
2015
Q4
$18.1M Buy
902,995
+105,175
+13% +$2.11M ﹤0.01% 989
2015
Q3
$15M Buy
797,820
+34,710
+5% +$652K ﹤0.01% 1051
2015
Q2
$19.5M Buy
763,110
+33,547
+5% +$855K 0.01% 1030
2015
Q1
$16.2M Buy
+729,563
New +$16.2M ﹤0.01% 1103