GC
SUM

GMT Capital’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
-942,374
Closed -$15.6M 68
2020
Q3
$15.6M Sell
942,374
-2,973,842
-76% -$49.2M 1.13% 24
2020
Q2
$63M Buy
3,916,216
+818,092
+26% +$13.2M 3.54% 10
2020
Q1
$46.5M Buy
3,098,124
+547,873
+21% +$8.22M 2.61% 13
2019
Q4
$61M Sell
2,550,251
-383,074
-13% -$9.16M 2.35% 15
2019
Q3
$65.1M Sell
2,933,325
-842,540
-22% -$18.7M 2.4% 9
2019
Q2
$72.7M Buy
3,775,865
+1,119,580
+42% +$21.6M 2.54% 9
2019
Q1
$42.2M Buy
2,656,285
+1,074,400
+68% +$17.1M 1.39% 26
2018
Q4
$19.6M Buy
1,581,885
+1,113,400
+238% +$13.8M 0.73% 34
2018
Q3
$8.52M Sell
468,485
-458,830
-49% -$8.34M 0.22% 67
2018
Q2
$24.3M Buy
927,315
+46,300
+5% +$1.22M 0.58% 46
2018
Q1
$26.7M Sell
881,015
-134,800
-13% -$4.08M 0.64% 50
2017
Q4
$31.9M Buy
1,015,815
+43,315
+4% +$1.36M 0.65% 49
2017
Q3
$31.1M Buy
972,500
+93,000
+11% +$2.98M 0.62% 45
2017
Q2
$26.1M Buy
879,500
+71,500
+9% +$2.12M 0.56% 56
2017
Q1
$20M Buy
+808,000
New +$20M 0.42% 62