Congress Asset Management’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Congress Asset Management’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	-557,830	Closed	-$28.2M	–	408
2024 Q4	$28.2M	Buy	557,830 +48,421	+10%	+$2.26M	0.19%	120
2024 Q3	$19.9M	Buy	509,409 +43,582	+9%	+$1.68M	0.14%	132
2024 Q2	$17.1M	Buy	465,827 +38,155	+9%	+$1.5M	0.12%	135
2024 Q1	$19.1M	Buy	427,672 +36,004	+9%	+$1.42M	0.14%	126
2023 Q4	$15.1M	Sell	391,668 -58,295	-13%	-$2.02M	0.12%	139
2023 Q3	$14M	Sell	449,963 -117,514	-21%	-$4.18M	0.12%	141
2023 Q2	$21.5M	Buy	567,477 +5,639	+1%	+$175K	0.19%	120
2023 Q1	$16M	Buy	561,838 +7,963	+1%	+$241K	0.15%	129
2022 Q4	$15.7M	Buy	553,875 +72,329	+15%	+$1.99M	0.16%	121
2022 Q3	$11.3M	Sell	481,546 -62,936	-12%	-$1.69M	0.12%	137
2022 Q2	$12.5M	Sell	544,482 -27,348	-5%	-$726K	0.12%	135
2022 Q1	$17.5M	Sell	571,830 -1,146	-0.2%	-$38.2K	0.15%	96
2021 Q4	$22.6M	Sell	572,976 -15,462	-3%	-$566K	0.17%	87
2021 Q3	$18.5M	Sell	588,438 -31,987	-5%	-$1.04M	0.14%	93
2021 Q2	$21.3M	Buy	620,425 +26,317	+4%	+$830K	0.18%	90
2021 Q1	$16.4M	Sell	594,108 -3,274	-0.5%	-$82.3K	0.15%	91
2020 Q4	$11.8M	Sell	597,382 -27,517	-4%	-$511K	0.11%	104
2020 Q3	$10.2M	Buy	624,899 +401,173	+179%	+$6.42M	0.11%	104
2020 Q2	$3.54M	Hold	223,726	–	–	0.04%	186
2020 Q1	$3.3M	Buy	223,726 +35,509	+19%	+$690K	0.05%	176
2019 Q4	$4.42M	Sell	188,217 -77,963	-29%	-$1.77M	0.05%	179
2019 Q3	$5.81M	Sell	266,180 -62,353	-19%	-$1.23M	0.07%	151
2019 Q2	$6.22M	Hold	328,533	–	–	0.08%	151
2019 Q1	$5.13M	Sell	328,533 -4,824	-1%	-$75.4K	0.07%	173
2018 Q4	$4.07M	Buy	+333,357	New	+$4.61M	0.06%	184

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

Congress Asset Management's SUM Position: Q1 2025 in Review

Congress Asset Management sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q1 2025, closing a stake of 557,830 shares — an estimated $28.2M sold.

Congress Asset Management first reported a position in SUM in Q4 2018 and held it in 25 quarters. The position peaked at $28.2M in Q4 2024. 7 funds tracked by Wall St. Rank hold SUM as of Q1 2025.

Congress Asset Management reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q1 2025 after selling out during the quarter.
Congress Asset Management sold 557,830 Summit Materials, Inc. Class A Common Stock shares in Q1 2025, an estimated $28.2M.
Congress Asset Management first reported a position in Summit Materials, Inc. Class A Common Stock in Q4 2018 and held it in 25 quarters.
Congress Asset Management's Summit Materials, Inc. Class A Common Stock position peaked at $28.2M in Q4 2024.
7 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q1 2025.

Based on Congress Asset Management's 13F filing for Q1 2025, filed 11 Apr 2025.