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

Roystone 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
2017 Q3	–	Sell	-113,128	Closed	-$3.17M	–	46
2017 Q2	$3.17M	Sell	113,128 -970,173	-90%	-$25.3M	0.21%	43
2017 Q1	$26M	Sell	1,083,301 -429,620	-28%	-$10.1M	1.68%	28
2016 Q4	$34.9M	Sell	1,512,921 -45,715	-3%	-$959K	2.06%	24
2016 Q3	$27.7M	Buy	+1,558,636	New	+$30.2M	1.68%	26
2016 Q2	–	Sell	-625,124	Closed	-$11.7M	–	35
2016 Q1	$11.7M	Sell	625,124 -1,141,200	-65%	-$18.7M	0.81%	25
2015 Q4	$33.9M	Sell	1,766,324 -105,931	-6%	-$2.16M	1.86%	20
2015 Q3	$33.2M	Buy	1,872,255 +582,597	+45%	+$13.4M	1.58%	22
2015 Q2	$31M	Sell	1,289,658 -195,964	-13%	-$4.65M	1.07%	27
2015 Q1	$31.1M	Buy	+1,485,622	New	+$30.2M	1.15%	26

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

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

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

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

TBC

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

Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return

Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return

LCS

Levin Capital Strategies New York $1.49B AUM 30.44% 1-Year Est. Return

BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return

Roystone Capital Management's SUM Position: Q3 2017 in Review

Roystone Capital Management sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q3 2017, closing a stake of 113,128 shares — an estimated $3.17M sold.

Roystone Capital Management first reported a position in SUM in Q1 2015 and held it in 9 quarters. The position peaked at $34.9M in Q4 2016. 215 funds tracked by Wall St. Rank hold SUM as of Q3 2017.

Roystone Capital Management reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q3 2017 after selling out during the quarter.
Roystone Capital Management sold 113,128 Summit Materials, Inc. Class A Common Stock shares in Q3 2017, an estimated $3.17M.
Roystone Capital Management first reported a position in Summit Materials, Inc. Class A Common Stock in Q1 2015 and held it in 9 quarters.
Roystone Capital Management's Summit Materials, Inc. Class A Common Stock position peaked at $34.9M in Q4 2016.
215 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q3 2017.

Based on Roystone Capital Management's 13F filing for Q3 2017, filed 14 Nov 2017.