Next Century Growth Investors’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Next Century Growth Investors’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
2018 Q3	–	Sell	-210,854	Closed	-$5.44M	–	150
2018 Q2	$5.44M	Sell	210,854 -15,185	-7%	-$423K	0.69%	52
2018 Q1	$6.73M	Sell	226,039 -53,624	-19%	-$1.65M	0.9%	38
2017 Q4	$8.64M	Sell	279,663 -24,126	-8%	-$726K	1.07%	31
2017 Q3	$9.44M	Sell	303,789 -107,667	-26%	-$3.06M	1.13%	30
2017 Q2	$11.5M	Sell	411,456 -143,369	-26%	-$3.73M	1.1%	32
2017 Q1	$13.3M	Sell	554,825 -362,249	-40%	-$8.5M	1.13%	32
2016 Q4	$21.2M	Buy	+917,074	New	+$19.2M	1.3%	24

Other funds holding SUM

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

SAM

Southeastern Asset Management Memphis, Tennessee $2.03B AUM 7.06% 1-Year Est. Return

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

TBC

Three Bays Capital Boston, Massachusetts $848M AUM 7.41% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return

Putnam Investments Boston, Massachusetts $75.7B AUM 34.45% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Next Century Growth Investors's SUM Position: Q3 2018 in Review

Next Century Growth Investors sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q3 2018, closing a stake of 210,854 shares — an estimated $5.44M sold.

Next Century Growth Investors first reported a position in SUM in Q4 2016 and held it in 7 quarters. The position peaked at $21.2M in Q4 2016. 193 funds tracked by Wall St. Rank hold SUM as of Q3 2018.

Next Century Growth Investors reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q3 2018 after selling out during the quarter.
Next Century Growth Investors sold 210,854 Summit Materials, Inc. Class A Common Stock shares in Q3 2018, an estimated $5.44M.
Next Century Growth Investors first reported a position in Summit Materials, Inc. Class A Common Stock in Q4 2016 and held it in 7 quarters.
Next Century Growth Investors's Summit Materials, Inc. Class A Common Stock position peaked at $21.2M in Q4 2016.
193 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q3 2018.

Based on Next Century Growth Investors's 13F filing for Q3 2018, filed 14 Nov 2018.