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

Driehaus 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
2024 Q1	–	Sell	-643,980	Closed	-$24.8M	–	457
2023 Q4	$24.8M	Buy	643,980 +73,195	+13%	+$2.54M	0.3%	103
2023 Q3	$17.8M	Sell	570,785 -22,197	-4%	-$790K	0.23%	146
2023 Q2	$22.4M	Buy	+592,982	New	+$18.4M	0.28%	113
2022 Q1	–	Sell	-1,084,006	Closed	-$42.8M	–	461
2021 Q4	$42.8M	Buy	1,084,006 +271,979	+33%	+$9.96M	0.44%	70
2021 Q3	$25.5M	Buy	812,027 +45,997	+6%	+$1.5M	0.3%	100
2021 Q2	$26.3M	Buy	766,030 +382,230	+100%	+$12M	0.35%	88
2021 Q1	$10.6M	Buy	+383,800	New	+$9.65M	0.16%	197
2018 Q2	–	Sell	-64,391	Closed	-$1.92M	–	581
2018 Q1	$1.92M	Buy	+64,391	New	+$1.99M	0.07%	269
2017 Q2	–	Sell	-40,936	Closed	-$981K	–	657
2017 Q1	$981K	Sell	40,936 -89,503	-69%	-$2.1M	0.03%	364
2016 Q4	$3.01M	Buy	+130,439	New	+$2.74M	0.11%	210
2016 Q3	–	Sell	-311,222	Closed	-$6.1M	–	628
2016 Q2	$6.1M	Sell	311,222 -861	-0.3%	-$17.2K	0.22%	102
2016 Q1	$5.82M	Buy	312,083 +246,475	+376%	+$4.03M	0.19%	107
2015 Q4	$1.26M	Sell	65,608 -2,122	-3%	-$43.3K	0.04%	361
2015 Q3	$1.2M	Sell	67,730 -3,691	-5%	-$85K	0.04%	332
2015 Q2	$1.72M	Buy	+71,421	New	+$1.7M	0.06%	358

Other funds holding SUM

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Macquarie Group Sydney, NSW 2000, Australia $23.2B AUM 40.19% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return

ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

Driehaus Capital Management's SUM Position: Q1 2024 in Review

Driehaus Capital Management sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q1 2024, closing a stake of 643,980 shares — an estimated $24.8M sold.

Driehaus Capital Management first reported a position in SUM in Q2 2015 and held it in 15 quarters. The position peaked at $42.8M in Q4 2021. 309 funds tracked by Wall St. Rank hold SUM as of Q1 2024.

Driehaus Capital Management reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q1 2024 after selling out during the quarter.
Driehaus Capital Management sold 643,980 Summit Materials, Inc. Class A Common Stock shares in Q1 2024, an estimated $24.8M.
Driehaus Capital Management first reported a position in Summit Materials, Inc. Class A Common Stock in Q2 2015 and held it in 15 quarters.
Driehaus Capital Management's Summit Materials, Inc. Class A Common Stock position peaked at $42.8M in Q4 2021.
309 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q1 2024.

Based on Driehaus Capital Management's 13F filing for Q1 2024, filed 15 May 2024.