Dark Forest Capital Management’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Dark Forest Capital 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	-14,169	Closed	-$717K	–	1490
2024 Q4	$717K	Sell	14,169 -5,127	-27%	-$240K	0.11%	277
2024 Q3	$753K	Buy	19,296 +12,185	+171%	+$468K	0.1%	239
2024 Q2	$260K	Buy	7,111 +863	+14%	+$33.9K	0.05%	485
2024 Q1	$278K	Buy	+6,248	New	+$247K	0.05%	496
2023 Q4	–	Sell	-66,611	Closed	-$2.07M	–	1157
2023 Q3	$2.07M	Buy	+66,611	New	+$2.37M	0.16%	118
2022 Q4	–	Sell	-91	Closed	-$2K	–	1548
2022 Q3	$2K	Buy	+91	New	+$2.44K	﹤0.01%	1029
2022 Q2	–	Sell	-288	Closed	-$8K	–	1466
2022 Q1	$8K	Buy	+288	New	+$9.59K	﹤0.01%	1051
2021 Q4	–	Sell	-48	Closed	-$2K	–	1843
2021 Q3	$2K	Buy	+48	New	+$1.57K	﹤0.01%	1181

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

Dark Forest Capital Management's SUM Position: Q1 2025 in Review

Dark Forest Capital Management sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q1 2025, closing a stake of 14,169 shares — an estimated $717K sold.

Dark Forest Capital Management first reported a position in SUM in Q3 2021 and held it in 8 quarters. The position peaked at $2.07M in Q3 2023. 7 funds tracked by Wall St. Rank hold SUM as of Q1 2025.

Dark Forest Capital Management reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q1 2025 after selling out during the quarter.
Dark Forest Capital Management sold 14,169 Summit Materials, Inc. Class A Common Stock shares in Q1 2025, an estimated $717K.
Dark Forest Capital Management first reported a position in Summit Materials, Inc. Class A Common Stock in Q3 2021 and held it in 8 quarters.
Dark Forest Capital Management's Summit Materials, Inc. Class A Common Stock position peaked at $2.07M in Q3 2023.
7 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q1 2025.

Based on Dark Forest Capital Management's 13F filing for Q1 2025, filed 15 May 2025.