Parallax Volatility Advisers’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Parallax Volatility Advisers’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
2023 Q1	–	Sell	-31,976	Closed	-$908K	–	3278
2022 Q4	$908K	Buy	+31,976	New	+$881K	﹤0.01%	1688
2021 Q2	–	Sell	-112	Closed	-$3K	–	3658
2021 Q1	$3K	Sell	112 -52,301	-100%	-$1.31M	﹤0.01%	3166
2020 Q4	$1.03M	Buy	+52,413	New	+$974K	﹤0.01%	2164
2019 Q4	–	Sell	-146	Closed	-$3K	–	2699
2019 Q3	$3K	Buy	146 +103	+240%	+$2.03K	﹤0.01%	2212
2019 Q2	$1K	Sell	43 -6,669	-99%	-$106K	﹤0.01%	2454
2019 Q1	$105K	Hold	6,712	–	–	﹤0.01%	2104
2018 Q4	$82K	Buy	6,712 +6,156	+1,107%	+$85.1K	﹤0.01%	1991
2018 Q3	$10K	Sell	556 -4,611	-89%	-$100K	﹤0.01%	2245
2018 Q2	$133K	Buy	+5,167	New	+$144K	﹤0.01%	1452
2018 Q1	–	Sell	-89,538	Closed	-$2.76M	–	4532
2017 Q4	$2.77M	Buy	+89,538	New	+$2.69M	﹤0.01%	804
2017 Q3	–	Sell	-33,074	Closed	-$926K	–	3504
2017 Q2	$926K	Buy	33,074 +31,699	+2,305%	+$825K	﹤0.01%	1048
2017 Q1	$33K	Sell	1,375 -1,713	-55%	-$40.2K	﹤0.01%	2782
2016 Q4	$71K	Sell	3,088 -164,888	-98%	-$3.46M	﹤0.01%	2350
2016 Q3	$2.99M	Buy	+167,976	New	+$3.25M	0.01%	867

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

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

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

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

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

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 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

Parallax Volatility Advisers's SUM Position: Q1 2023 in Review

Parallax Volatility Advisers sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q1 2023, closing a stake of 31,976 shares — an estimated $908K sold.

Parallax Volatility Advisers first reported a position in SUM in Q3 2016 and held it in 14 quarters. The position peaked at $2.99M in Q3 2016. 243 funds tracked by Wall St. Rank hold SUM as of Q1 2023.

Parallax Volatility Advisers reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q1 2023 after selling out during the quarter.
Parallax Volatility Advisers sold 31,976 Summit Materials, Inc. Class A Common Stock shares in Q1 2023, an estimated $908K.
Parallax Volatility Advisers first reported a position in Summit Materials, Inc. Class A Common Stock in Q3 2016 and held it in 14 quarters.
Parallax Volatility Advisers's Summit Materials, Inc. Class A Common Stock position peaked at $2.99M in Q3 2016.
243 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q1 2023.

Based on Parallax Volatility Advisers's 13F filing for Q1 2023, filed 15 May 2023.