Citadel Advisors’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Citadel Advisors’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	-60,800	Closed	-$3.08M	–	15982
2024 Q4	$3.08M	Buy	60,800 +31,900	+110%	+$1.49M	﹤0.01%	4793
2024 Q3	$1.13M	Sell	28,900 -1,900	-6%	-$73K	﹤0.01%	6641
2024 Q2	$1.13M	Sell	30,800 -6,700	-18%	-$263K	﹤0.01%	6349
2024 Q1	$1.67M	Buy	37,500 +7,400	+25%	+$293K	﹤0.01%	5877
2023 Q4	$1.16M	Buy	30,100 +15,600	+108%	+$541K	﹤0.01%	6393
2023 Q3	$452K	Buy	14,500 +1,400	+11%	+$49.8K	﹤0.01%	8280
2023 Q2	$496K	Sell	13,100 -5,235	-29%	-$162K	﹤0.01%	7964
2023 Q1	$522K	Sell	18,335 -30,234	-62%	-$914K	﹤0.01%	8211
2022 Q4	$1.38M	Sell	48,569 -11,841	-20%	-$326K	﹤0.01%	6199
2022 Q3	$1.42M	Buy	60,410 +26,849	+80%	+$721K	﹤0.01%	6254
2022 Q2	$769K	Sell	33,561 -82,275	-71%	-$2.18M	﹤0.01%	7632
2022 Q1	$3.54M	Sell	115,836 -94,480	-45%	-$3.15M	﹤0.01%	4847
2021 Q4	$8.3M	Buy	210,316 +3,560	+2%	+$130K	﹤0.01%	3372
2021 Q3	$6.5M	Sell	206,756 -9,763	-5%	-$319K	﹤0.01%	3819
2021 Q2	$7.42M	Sell	216,519 -67,733	-24%	-$2.14M	﹤0.01%	3633
2021 Q1	$7.83M	Buy	284,252 +85,937	+43%	+$2.16M	﹤0.01%	3373
2020 Q4	$3.92M	Sell	198,315 -8,136	-4%	-$151K	﹤0.01%	4103
2020 Q3	$3.36M	Buy	206,451 +610	+0.3%	+$9.77K	﹤0.01%	3791
2020 Q2	$3.25M	Buy	205,841 +147,974	+256%	+$2.12M	﹤0.01%	3723
2020 Q1	$854K	Sell	57,867 -176,653	-75%	-$3.43M	﹤0.01%	5610
2019 Q4	$5.51M	Sell	234,520 -165,771	-41%	-$3.76M	﹤0.01%	2957
2019 Q3	$8.74M	Buy	400,291 +22,577	+6%	+$446K	﹤0.01%	2381
2019 Q2	$7.15M	Buy	377,714 +213,062	+129%	+$3.39M	﹤0.01%	2598
2019 Q1	$2.57M	Buy	164,652 +126,413	+331%	+$1.98M	﹤0.01%	4036
2018 Q4	$466K	Buy	38,239 +15,356	+67%	+$212K	﹤0.01%	6512
2018 Q3	$409K	Buy	22,883 +12,001	+110%	+$261K	﹤0.01%	7026
2018 Q2	$281K	Buy	10,882 +3,153	+41%	+$87.8K	﹤0.01%	7321
2018 Q1	$230K	Buy	+7,729	New	+$238K	﹤0.01%	7132
2017 Q4	–	Sell	-28,153	Closed	-$874K	–	8530
2017 Q3	$874K	Buy	+28,153	New	+$799K	﹤0.01%	4502
2017 Q2	–	Sell	-15,262	Closed	-$366K	–	8198
2017 Q1	$366K	Buy	+15,262	New	+$358K	﹤0.01%	5565
2015 Q4	–	Sell	-9,110	Closed	-$161K	–	9301
2015 Q3	$161K	Buy	9,110 +2,543	+39%	+$58.6K	﹤0.01%	6416
2015 Q2	$158K	Buy	+6,567	New	+$156K	﹤0.01%	6609

Other funds holding SUM

SFCL

Strengthening Families & Communities LLC Boston, Massachusetts $401M AUM 33.17% 1-Year Est. Return

Principal Securities Des Moines, Iowa $6.82B AUM 17.15% 1-Year Est. Return

DekaBank Deutsche Girozentrale Frankfurt, Germany $60.6B AUM 23.27% 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 $18.1B AUM 24.69% 1-Year Est. Return

Citadel Advisors's SUM Position: Q1 2025 in Review

Citadel Advisors sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q1 2025, closing a stake of 51,174 shares — an estimated $2.59M sold.

Citadel Advisors first reported a position in SUM in Q1 2015 and held it in 40 quarters. The position peaked at $59.3M in Q2 2024. 7 funds tracked by Wall St. Rank hold SUM as of Q1 2025.

Citadel Advisors reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q1 2025 after selling out during the quarter.
Citadel Advisors sold 51,174 Summit Materials, Inc. Class A Common Stock shares in Q1 2025, an estimated $2.59M.
Citadel Advisors first reported a position in Summit Materials, Inc. Class A Common Stock in Q1 2015 and held it in 40 quarters.
Citadel Advisors's Summit Materials, Inc. Class A Common Stock position peaked at $59.3M in Q2 2024.
7 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q1 2025.

Based on Citadel Advisors's 13F filing for Q1 2025, filed 15 May 2025.