Marshall Wace’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Marshall Wace’s Portfolio SUM Stock Details SUM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell	-206,694	Closed	-$10.5M	–	3200
2024 Q4	$10.5M	Buy	+206,694	New	+$9.66M	0.01%	785
2024 Q2	–	Sell	-16,338	Closed	-$728K	–	3069
2024 Q1	$728K	Buy	+16,338	New	+$646K	﹤0.01%	1781
2023 Q2	–	Sell	-45,384	Closed	-$1.29M	–	3071
2023 Q1	$1.29M	Buy	+45,384	New	+$1.37M	﹤0.01%	1691
2022 Q4	–	Sell	-114,234	Closed	-$2.69M	–	3519
2022 Q3	$2.69M	Buy	+114,234	New	+$3.07M	0.01%	1824
2022 Q2	–	Sell	-7,857	Closed	-$240K	–	3949
2022 Q1	$240K	Buy	+7,857	New	+$262K	﹤0.01%	3032
2020 Q4	–	Sell	-86,754	Closed	-$1.41M	–	2254
2020 Q3	$1.41M	Buy	+86,754	New	+$1.39M	0.01%	903
2020 Q1	–	Sell	-9,209	Closed	-$216K	–	2141
2019 Q4	$216K	Buy	+9,209	New	+$209K	﹤0.01%	1327
2019 Q1	–	Sell	-52,169	Closed	-$636K	–	2112
2018 Q4	$636K	Buy	+52,169	New	+$721K	0.01%	1038
2016 Q4	–	Sell	-1,258,208	Closed	-$22.4M	–	1146
2016 Q3	$22.4M	Buy	1,258,208 +78,204	+7%	+$1.51M	0.16%	157
2016 Q2	$23.1M	Buy	1,180,004 +323,387	+38%	+$6.46M	0.19%	134
2016 Q1	$16M	Buy	856,617 +538,186	+169%	+$8.8M	0.15%	151
2015 Q4	$6.12M	Sell	318,431 -78,664	-20%	-$1.6M	0.06%	335
2015 Q3	$7.04M	Buy	+397,095	New	+$9.15M	0.09%	234

Other funds holding SUM

SFCL

Strengthening Families & Communities LLC Boston, Massachusetts $450M AUM 41.19% 1-Year Est. Return

Principal Securities Des Moines, Iowa $8.31B AUM 21.94% 1-Year Est. Return

DekaBank Deutsche Girozentrale Frankfurt, Germany $59.2B AUM 26.02% 1-Year Est. Return

WAM

WFA Asset Management Whitefish Bay, Wisconsin $184M AUM 12.29% 1-Year Est. Return

IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

HNB

Huntington National Bank Columbus, Ohio $20.6B AUM 34.61% 1-Year Est. Return

Marshall Wace's SUM Position: Q1 2025 in Review

Marshall Wace sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q1 2025, closing a stake of 206,694 shares — an estimated $10.5M sold.

Marshall Wace first reported a position in SUM in Q3 2015 and held it in 13 quarters. The position peaked at $23.1M in Q2 2016. 7 funds tracked by Wall St. Rank hold SUM as of Q1 2025.

Marshall Wace reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q1 2025 after selling out during the quarter.
Marshall Wace sold 206,694 Summit Materials, Inc. Class A Common Stock shares in Q1 2025, an estimated $10.5M.
Marshall Wace first reported a position in Summit Materials, Inc. Class A Common Stock in Q3 2015 and held it in 13 quarters.
Marshall Wace's Summit Materials, Inc. Class A Common Stock position peaked at $23.1M in Q2 2016.
7 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q1 2025.

Based on Marshall Wace's 13F filing for Q1 2025, filed 15 May 2025.