A.R.T. Advisors’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

A.R.T. 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
2020 Q1	–	Sell	-129,632	Closed	-$3.05M	–	1055
2019 Q4	$3.05M	Buy	129,632 +95,191	+276%	+$2.16M	0.15%	171
2019 Q3	$752K	Buy	+34,441	New	+$680K	0.04%	683
2019 Q1	–	Sell	-78,659	Closed	-$959K	–	1680
2018 Q4	$959K	Buy	+78,659	New	+$1.09M	0.06%	457
2018 Q2	–	Sell	-64,310	Closed	-$1.91M	–	1812
2018 Q1	$1.91M	Sell	64,310 -7,831	-11%	-$242K	0.08%	399
2017 Q4	$2.23M	Buy	72,141 +21,423	+42%	+$645K	0.1%	334
2017 Q3	$1.57M	Buy	50,718 +10,415	+26%	+$296K	0.08%	355
2017 Q2	$1.13M	Buy	+40,303	New	+$1.05M	0.06%	470
2017 Q1	–	Sell	-90,318	Closed	-$2.08M	–	1762
2016 Q4	$2.08M	Buy	+90,318	New	+$1.89M	0.12%	252
2016 Q3	–	Sell	-17,237	Closed	-$337K	–	1219
2016 Q2	$337K	Sell	17,237 -31,935	-65%	-$638K	0.02%	934
2016 Q1	$916K	Buy	+49,172	New	+$804K	0.04%	623
2015 Q4	–	Sell	-102,850	Closed	-$1.82M	–	1765
2015 Q3	$1.82M	Buy	+102,850	New	+$2.37M	0.07%	407

Other funds holding SUM

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

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

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

Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return

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

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

Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

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

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

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

A.R.T. Advisors's SUM Position: Q1 2020 in Review

A.R.T. Advisors sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q1 2020, closing a stake of 129,632 shares — an estimated $3.05M sold.

A.R.T. Advisors first reported a position in SUM in Q3 2015 and held it in 11 quarters. The position peaked at $3.05M in Q4 2019. 186 funds tracked by Wall St. Rank hold SUM as of Q1 2020.

A.R.T. Advisors reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q1 2020 after selling out during the quarter.
A.R.T. Advisors sold 129,632 Summit Materials, Inc. Class A Common Stock shares in Q1 2020, an estimated $3.05M.
A.R.T. Advisors first reported a position in Summit Materials, Inc. Class A Common Stock in Q3 2015 and held it in 11 quarters.
A.R.T. Advisors's Summit Materials, Inc. Class A Common Stock position peaked at $3.05M in Q4 2019.
186 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q1 2020.

Based on A.R.T. Advisors's 13F filing for Q1 2020, filed 15 May 2020.