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

Luminus 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
2019 Q2	–	Sell	-467,947	Closed	-$7.3M	–	151
2019 Q1	$7.3M	Buy	467,947 +62,842	+16%	+$982K	0.16%	85
2018 Q4	$4.94M	Sell	405,105 -3,191,319	-89%	-$44.1M	0.1%	111
2018 Q3	$64.3M	Buy	3,596,424 +1,440,117	+67%	+$31.3M	1.05%	26
2018 Q2	$55.7M	Buy	2,156,307 +627,280	+41%	+$17.5M	1.28%	26
2018 Q1	$45.5M	Buy	1,529,027 +538,884	+54%	+$16.6M	0.94%	32
2017 Q4	$30.6M	Buy	990,143 +66,136	+7%	+$1.99M	0.65%	32
2017 Q3	$28.7M	Sell	924,007 -304,474	-25%	-$8.64M	0.76%	34
2017 Q2	$34.4M	Sell	1,228,481 -11,294	-0.9%	-$294K	0.72%	45
2017 Q1	$29.7M	Buy	1,239,775 +298,944	+32%	+$7.01M	0.77%	37
2016 Q4	$21.7M	Sell	940,831 -202,452	-18%	-$4.25M	0.49%	48
2016 Q3	$20.3M	Buy	1,143,283 +386,391	+51%	+$7.48M	0.52%	47
2016 Q2	$14.8M	Buy	756,892 +265,037	+54%	+$5.29M	0.43%	53
2016 Q1	$9.17M	Buy	491,855 +1,344	+0.3%	+$22K	0.3%	66
2015 Q4	$9.42M	Buy	490,511 +14,452	+3%	+$295K	0.35%	65
2015 Q3	$8.44M	Buy	+476,059	New	+$11M	0.26%	68

Other funds holding SUM

SAM

Southeastern Asset Management Memphis, Tennessee $1.92B AUM 6.41% 1-Year Est. Return

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

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

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

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

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

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

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

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

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

Luminus Management's SUM Position: Q2 2019 in Review

Luminus Management sold out of Summit Materials, Inc. Class A Common Stock (SUM) in Q2 2019, closing a stake of 467,947 shares — an estimated $7.3M sold.

Luminus Management first reported a position in SUM in Q3 2015 and held it in 15 quarters. The position peaked at $64.3M in Q3 2018. 178 funds tracked by Wall St. Rank hold SUM as of Q2 2019.

Luminus Management reported no remaining Summit Materials, Inc. Class A Common Stock position as of Q2 2019 after selling out during the quarter.
Luminus Management sold 467,947 Summit Materials, Inc. Class A Common Stock shares in Q2 2019, an estimated $7.3M.
Luminus Management first reported a position in Summit Materials, Inc. Class A Common Stock in Q3 2015 and held it in 15 quarters.
Luminus Management's Summit Materials, Inc. Class A Common Stock position peaked at $64.3M in Q3 2018.
178 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q2 2019.

Based on Luminus Management's 13F filing for Q2 2019, filed 14 Aug 2019.