American Century Companies’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

American Century Companies’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	-33,236	Closed	-$1.68M	–	2980
2024 Q4	$1.68M	Sell	33,236 -1,517,609	-98%	-$70.9M	﹤0.01%	2066
2024 Q3	$60.5M	Sell	1,550,845 -195,115	-11%	-$7.5M	0.04%	525
2024 Q2	$63.9M	Buy	1,745,960 +62,091	+4%	+$2.44M	0.04%	472
2024 Q1	$75.1M	Buy	1,683,869 +241,074	+17%	+$9.53M	0.05%	412
2023 Q4	$55.5M	Buy	1,442,795 +246,673	+21%	+$8.55M	0.04%	465
2023 Q3	$37.2M	Buy	1,196,122 +185,998	+18%	+$6.62M	0.03%	558
2023 Q2	$38.2M	Sell	1,010,124 -293,829	-23%	-$9.1M	0.03%	528
2023 Q1	$37.1M	Buy	1,303,953 +137,913	+12%	+$4.17M	0.03%	518
2022 Q4	$33.1M	Sell	1,166,040 -58,151	-5%	-$1.6M	0.03%	542
2022 Q3	$28.8M	Buy	1,224,191 +129,336	+12%	+$3.47M	0.03%	538
2022 Q2	$25.1M	Sell	1,094,855 -466,690	-30%	-$12.4M	0.02%	599
2022 Q1	$47.7M	Buy	1,561,545 +237,995	+18%	+$7.93M	0.03%	462
2021 Q4	$52.2M	Buy	1,323,550 +282,541	+27%	+$10.3M	0.03%	465
2021 Q3	$32.7M	Buy	1,041,009 +175,463	+20%	+$5.73M	0.02%	562
2021 Q2	$29.7M	Buy	865,546 +435,154	+101%	+$13.7M	0.02%	594
2021 Q1	$11.9M	Sell	430,392 -403,568	-48%	-$10.1M	0.01%	745
2020 Q4	$16.5M	Buy	833,960 +330,771	+66%	+$6.14M	0.01%	663
2020 Q3	$8.18M	Buy	503,189 +138,962	+38%	+$2.22M	0.01%	746
2020 Q2	$5.76M	Buy	364,227 +29,650	+9%	+$425K	0.01%	759
2020 Q1	$4.93M	Buy	+334,577	New	+$6.5M	0.01%	727
2018 Q3	–	Sell	-442,516	Closed	-$11.4M	–	1376
2018 Q2	$11.4M	Buy	442,516 +75,054	+20%	+$2.09M	0.01%	622
2018 Q1	$10.9M	Buy	367,462 +24,124	+7%	+$744K	0.01%	627
2017 Q4	$10.6M	Buy	343,338 +26,804	+8%	+$807K	0.01%	630
2017 Q3	$9.83M	Sell	316,534 -18,871	-6%	-$535K	0.01%	662
2017 Q2	$9.39M	Buy	335,405 +8,755	+3%	+$228K	0.01%	686
2017 Q1	$7.83M	Buy	326,650 +11,610	+4%	+$272K	0.01%	745
2016 Q4	$7.27M	Sell	315,040 -15,020	-5%	-$315K	0.01%	749
2016 Q3	$5.87M	Buy	330,060 +39,805	+14%	+$770K	0.01%	817
2016 Q2	$5.69M	Sell	290,255 -22,714	-7%	-$454K	0.01%	805
2016 Q1	$5.83M	Buy	312,969 +48,143	+18%	+$788K	0.01%	793
2015 Q4	$5.08M	Sell	264,826 -8,401	-3%	-$171K	0.01%	828
2015 Q3	$4.84M	Buy	273,227 +29,093	+12%	+$670K	0.01%	841
2015 Q2	$5.88M	Buy	244,134 +29,163	+14%	+$693K	0.01%	789
2015 Q1	$4.5M	Buy	+214,971	New	+$4.37M	0.01%	870

Other funds holding SUM

SFCL

Strengthening Families & Communities LLC Boston, Massachusetts $401M AUM 33.17% 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 $18.1B AUM 24.69% 1-Year Est. Return

American Century Companies's SUM Position: Q1 2025 in Review

American Century Companies sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q1 2025, closing a stake of 33,236 shares — an estimated $1.68M sold.

American Century Companies first reported a position in SUM in Q1 2015 and held it in 34 quarters. The position peaked at $75.1M in Q1 2024. 7 funds tracked by Wall St. Rank hold SUM as of Q1 2025.

American Century Companies reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q1 2025 after selling out during the quarter.
American Century Companies sold 33,236 Summit Materials, Inc. Class A Common Stock shares in Q1 2025, an estimated $1.68M.
American Century Companies first reported a position in Summit Materials, Inc. Class A Common Stock in Q1 2015 and held it in 34 quarters.
American Century Companies's Summit Materials, Inc. Class A Common Stock position peaked at $75.1M in Q1 2024.
7 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q1 2025.

Based on American Century Companies's 13F filing for Q1 2025, filed 13 May 2025.